About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsDiscrete Semiconductor ProductsDiodes - Rectifiers - SingleVSSC8L45-M3/57T
VSSC8L45-M3/57T Image
VSSC8L45-M3/57T Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

VSSC8L45-M3/57T - Vishay General Semiconductor - Diodes Division

Manufacturer Part Number
VSSC8L45-M3/57T
Manufacturer
Vishay General Semiconductor – Diodes Division
Allelco Part Number
32D-VSSC8L45-M3/57T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
134,520 pcs available, New & Original
Parts Description
DIODE SCHOTTKY 45V 3.8A DO214AB
Package
DO-214AB (SMC)
Data sheet
VSSC8L45-M3/57T.pdf

Datasheets

VSSC8L45-M3.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 134520

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

VSSC8L45-M3/57T Tech Specifications
Vishay General Semiconductor - Diodes Division - VSSC8L45-M3/57T technical specifications, attributes, parameters and parts with similar specifications to Vishay General Semiconductor - Diodes Division - VSSC8L45-M3/57T

Product Attribute Attribute Value
Manufacturer Vishay General Semiconductor – Diodes Division
Voltage - Forward (Vf) (Max) @ If 430 mV @ 3.5 A
Voltage - DC Reverse (Vr) (Max) 45 V
Technology Schottky
Supplier Device Package DO-214AB (SMC)
Speed Fast Recovery =< 500ns, > 200mA (Io)
Series TMBS®
Package / Case DO-214AB, SMC
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature - Junction -40°C ~ 150°C
Mounting Type Surface Mount
Current - Reverse Leakage @ Vr 1.6 mA @ 45 V
Current - Average Rectified (Io) 3.8A
Capacitance @ Vr, F 1068pF @ 4V, 1MHz
Base Product Number SC8L45

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

VSSC8L45-M3/57T Image
VSSC8L45-M3/57T (1)

Manufacturer Part Number

VSSC8L45-M3/57T

Manufacturer

Vishay General Semiconductor – Diodes Division

Introduction

This is a high-performance Schottky rectifier diode from Vishay General Semiconductor's TMBS series, designed for use in a variety of power conversion and switch-mode power supply applications.

Product Features and Performance

Fast recovery time of ≤ 500 ns for high-frequency operation

High current handling capability of up to 3.8 A average rectified current

Low forward voltage drop of 430 mV at 3.5 A

Wide operating temperature range of -40°C to 150°C

Product Advantages

Efficiency improvements in power conversion circuits

Reduced power dissipation and heat generation

Compact surface-mount package for space-saving designs

Key Technical Parameters

Reverse voltage: 45 V

Capacitance: 1068 pF at 4 V, 1 MHz

Reverse leakage current: 1.6 mA at 45 V

Quality and Safety Features

RoHS3 compliant

Housed in a DO-214AB (SMC) surface-mount package

Compatibility

This Schottky rectifier is compatible with a wide range of power electronics and switch-mode power supply applications.

Application Areas

Switch-mode power supplies

Power conversion circuits

Freewheeling diode applications

Voltage regulation circuits

Product Lifecycle

This product is currently in production and is not nearing discontinuation. Replacement and upgrade options may be available from Vishay General Semiconductor.

Key Reasons to Choose This Product

Excellent efficiency and low power dissipation for improved system performance

Fast switching capability for high-frequency applications

Compact surface-mount package for space-saving designs

Wide operating temperature range for versatile application use

RoHS3 compliance for environmentally-friendly designs

Frequently Asked Questions(FAQ)

What is the maximum reverse voltage and average forward current rating of the VSSC8L45-M3/57T Schottky diode, and how do these parameters influence thermal performance in high-frequency switching applications?
The VSSC8L45-M3/57T is rated for a maximum DC reverse voltage (Vr) of 45 V and an average rectified current (Io) of 3.8 A. These ratings define its safe operating envelope for unidirectional current flow under steady-state conditions. In high-frequency switching converters, such as buck or boost topologies, the device’s low forward voltage drop (430 mV at 3.5 A) minimizes conduction losses, which directly reduces junction temperature rise. Given its junction-to-ambient thermal resistance and the package’s surface-mount footprint, sustained operation near 3.8 A requires careful layout to maintain junction temperatures below 150°C, especially when ambient temperatures exceed 85°C.
How does the VSSC8L45-M3/57T compare to standard PN-junction rectifiers in terms of reverse recovery time and leakage current, particularly in flyback converter designs?
The VSSC8L45-M3/57T features a fast recovery characteristic of less than 500 ns with over 200 mA of forward current, which is typical for Schottky diodes and significantly faster than conventional silicon PN rectifiers. This speed advantage reduces switching losses and electromagnetic interference in flyback converters operating above 50 kHz. Additionally, its reverse leakage current is only 1.6 mA at 45 V, compared to tens of microamps or more in body diodes of power MOSFETs—making it suitable for precision rectification and low-power standby modes without excessive quiescent loss.
What are the key differences between the VSSC8L45-M3/57T and the similar VSSC8L60-M3/57T in terms of voltage handling and suitability for 48 V automotive systems?
While both devices share the same DO-214AB package, average current rating, and Schottky technology, the VSSC8L60-M3/57T supports a higher maximum reverse voltage of 60 V compared to the VSSC8L45-M3/57T’s 45 V. In 48 V automotive systems—such as those used in infotainment or telematics—the 60 V variant offers a better safety margin against load dump transients up to 65 V, whereas the 45 V device may be acceptable only if input filtering and transient suppression are robust. Both exhibit similar forward voltage drops, so the choice hinges primarily on system-level overvoltage robustness requirements.
Can the VSSC8L45-M3/57T be used in parallel configurations for higher current sharing, and what precautions are necessary to ensure balanced current distribution?
Yes, the VSSC8L45-M3/57T can operate in parallel to share current loads exceeding 3.8 A, but only under controlled conditions. Due to slight variations in threshold voltage and thermal characteristics, passive balancing using small emitter resistors or active gate control is often required. Without such measures, one device may carry disproportionately higher current due to positive feedback between temperature rise and forward voltage drop. Thermal coupling through a common heatsink improves matching, but designers should derate total current by 10–20% to avoid localized overheating and premature failure.
What role does the capacitance parameter (1068 pF @ 4 V, 1 MHz) play in the VSSC8L45-M3/57T when used in DC-DC converter snubber circuits or EMI filtering stages?
The junction capacitance of 1068 pF at 4 V and 1 MHz influences high-frequency impedance in circuits where the diode acts as a parasitic path for noise. In snubber networks across inductive loads, this capacitance can resonate with parasitic inductance, potentially amplifying ringing unless dampened with resistive elements. It also affects the diode’s response during voltage transients, making it less ideal than ultra-low-capacitance devices for very high-speed logic-level clamping. However, within typical switch-mode power supply bandwidths (up to several hundred kHz), this value is manageable with proper PCB grounding and decoupling.
Is the VSSC8L45-M3/57T suitable for use in solar microinverters where partial shading causes frequent reverse-bias conditions?
The VSSC8L45-M3/57T is not inherently optimized for photovoltaic bypass applications, though it can function temporarily in such environments. Its relatively moderate capacitance and lack of dedicated anti-parallel configuration make it suboptimal compared to specialized TVS or back-biased Schottky arrays used in MPPT modules. Under partial shading, reverse recovery effects and leakage current could accumulate thermal stress over time. For reliable long-term operation in solar systems, a device with lower Qrr and integrated protection features would be preferred despite higher cost.
How does the Moisture Sensitivity Level (MSL) classification of 1 for the VSSC8L45-M3/57T impact assembly processes in lead-free reflow soldering?
With an MSL rating of 1, the VSSC8L45-M3/57T has unlimited floor life at 30°C/60% RH, meaning it does not require baking before reflow soldering. This simplifies supply chain logistics and reduces manufacturing overhead in high-volume production lines using standard lead-free profiles (e.g., peak temperature ≥245°C for <60 seconds). However, users must still adhere to JEDEC J-STD-020 guidelines during handling to prevent contamination, even though no special storage protocols are mandated.
What design trade-offs exist when selecting the VSSC8L45-M3/57T instead of a higher-voltage Schottky like the VSSC8L60-M3/57T in a 36 V industrial power supply?
Choosing the VSSC8L45-M3/57T over the 60 V version in a 36 V system reduces cost and board space but introduces reliability concerns under transient surges. Industrial environments often experience voltage spikes from inductive loads or grid fluctuations that can exceed 50 V. The 45 V rating provides minimal headroom, increasing risk of avalanche-like breakdown if transient suppression is inadequate. Designers must incorporate adequate bulk capacitance and TVS protection at the input stage to justify the selection, trading off robustness for component count and BOM savings.
How does the TMBS® technology platform used in the VSSC8L45-M3/57T enhance ruggedness compared to traditional planar Schottky diodes?
The TMBS® (Trench MOS Barrier Schottky) architecture employs trench-based field plates to improve electric field distribution, enabling thinner epitaxial layers and reduced surface leakage. This results in lower reverse leakage current and improved surge capability under transient conditions. Compared to planar Schottky diodes, the VSSC8L45-M3/57T exhibits better thermal stability and reduced susceptibility to soft breakdown, making it more reliable in harsh environments such as motor drives or lighting ballasts where repeated switching and voltage spikes occur.
What considerations apply when substituting the VSSC8L45-M3/57T in legacy designs originally using a 40 V PN rectifier?
Substituting a Schottky diode like the VSSC8L45-M3/57T for a 40 V PN rectifier offers benefits including lower forward voltage (reducing power loss) and negligible reverse recovery charge. However, designers must verify compatibility with control ICs that rely on the slower commutation behavior of PN diodes, such as in certain resonant converters where timing margins depend on recovery dynamics. Additionally, while the Vf is lower, the absence of stored minority carriers eliminates reverse recovery spikes, which may require adjustment of dead-time settings or snubbing networks to prevent shoot-through.
In what scenarios would the operating temperature range (-40°C to 150°C junction) of the VSSC8L45-M3/57T become a limiting factor despite its wide specification?
Although rated from -40°C to 150°C, real-world limitations emerge when the case temperature exceeds 125°C due to packaging constraints. At elevated ambient temperatures, especially in sealed enclosures or high-power-density designs, the actual junction temperature may approach the limit even at modest load currents. Furthermore, at cold starts below -25°C, semiconductor mobility drops, increasing effective series resistance slightly, which can affect efficiency in battery-powered systems. Thus, while the absolute range is broad, application-specific thermal budgets often dictate conservative derating.
How does the tape and reel packaging of the VSSC8L45-M3/57T benefit automated manufacturing workflows compared to loose parts?
The Tape & Reel (TR) packaging enables high-speed pick-and-place assembly, reducing manual handling errors and improving throughput in SMT production lines. Automated feeders can process thousands of VSSC8L45-M3/57T units per hour with minimal downtime, supporting just-in-time inventory models. This format also ensures consistent orientation and alignment during placement, critical for yield optimization in mass production of consumer electronics or automotive modules requiring strict quality control.
What are the implications of the RoHS3 compliance status for the VSSC8L45-M3/57T in global regulatory submissions, particularly in EU and China markets?
RoHS3 compliance confirms that the VSSC8L45-M3/57T meets all European Union restrictions on hazardous substances including lead, mercury, cadmium, and specific phthalates. This simplifies CE marking documentation and avoids export delays. Similarly, in mainland China, RoHS3 aligns with the Management Methods for Controlling Pollution by Electronic Information Products, ensuring market access without additional testing burdens. Manufacturers can confidently include the VSSC8L45-M3/57T in products targeting both regions without concern for non-compliance penalties.
Why might a designer choose the VSSC8L45-M3/57T over a MOSFET-based synchronous rectifier in a low-voltage, high-current buck converter?
In applications below 12 V output—such as USB Power Delivery or point-of-load regulators—the VSSC8L45-M3/57T offers simpler drive circuitry and lower conduction losses than a MOSFET with comparable Rdson, especially at light loads. Unlike MOSFETs, it requires no gate charge management or negative bias for turn-off, reducing EMI and control complexity. However, this advantage diminishes above 12 V or when efficiency targets demand sub-milliohm Rds(on). For the VSSC8L45-M3/57T, the decision favors simplicity and cost over extreme efficiency at higher voltages.
What precautions should be taken when soldering the VSSC8L45-M3/57T to avoid damage to the die or bond wires?
Excessive peak temperature (>260°C) or prolonged exposure to heat (>10 seconds) during reflow can compromise aluminum bond wire integrity and cause die cracking. Designers should follow IPC-7351 land patterns and use solder pastes compatible with lead-free processes. Preheating to 150–180°C helps minimize thermal shock. Post-solder inspection via X-ray or acoustic microscopy may be warranted in safety-critical applications to detect hidden defects introduced during assembly.
How does the capacitance-voltage relationship of the VSSC8L45-M3/57T affect its performance in RF envelope detection circuits?
Although primarily intended for power conversion, the VSSC8L45-M3/57T’s 1068 pF capacitance can act as a shunt path at RF frequencies, degrading detection accuracy in high-impedance envelope detectors. Since capacitance increases with decreasing reverse voltage, signal distortion may vary nonlinearly across the input swing. For accurate demodulation, alternative diodes with lower junction capacitance (e.g., <300 pF) and higher cutoff frequency are preferable. The VSSC8L45-M3/57T is not recommended for precision RF applications despite its nominal ratings.
What is the significance of the Base Product Number SC8L45 associated with the VSSC8L45-M3/57T in supply chain and obsolescence planning?
The Base Product Number SC8L45 identifies a product family within Vishay’s portfolio, indicating shared core die and process technology across multiple voltage and current variants (e.g., SC8L40, SC8L45, SC8L60). Maintaining continuity under this base number eases migration paths during redesign or component lifecycle transitions. Suppliers and engineers can leverage historical reliability data and qualification records, reducing risk when updating designs due to part discontinuation. This strategy enhances long-term supply resilience for industrial and automotive programs.
How does the ECCN classification (EAR99) of the VSSC8L45-M3/57T impact international shipping and export licensing requirements?
Classified as EAR99 under U.S. Export Administration Regulations, the VSSC8L45-M3/57T is generally exempt from license requirements for most destinations, simplifying logistics for commercial and defense-related projects alike. However, end-use restrictions still apply—particularly if deployed in military, nuclear, or proliferation-sensitive contexts. While no formal export licenses are needed for routine shipments to compliant countries, importers should verify local regulations, as some nations impose their own controls on semiconductor components regardless of U.S. classification.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay General Semiconductor - Diodes Division VSSC8L45-M3/57T

Product Attribute VSSC8L45-M3/9AT VSSC520S-M3/57T VSSB7L45-M3/5BT VSSB7L45-M3/52T
Part Number VSSC8L45-M3/9AT VSSC520S-M3/57T VSSB7L45-M3/5BT VSSB7L45-M3/52T
Manufacturer Vishay General Semiconductor - Diodes Division Vishay General Semiconductor - Diodes Division Vishay General Semiconductor - Diodes Division Vishay General Semiconductor - Diodes Division
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - Junction - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Forward (Vf) (Max) @ If - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Current - Reverse Leakage @ Vr - - - -
Capacitance @ Vr, F - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Technology - - - -
Voltage - DC Reverse (Vr) (Max) - - - -
Current - Average Rectified (Io) - - - -
Series - - - -
Speed - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

VSSC8L45-M3/57T Datasheet PDF

Download VSSC8L45-M3/57T pdf datasheets and Vishay General Semiconductor - Diodes Division documentation for VSSC8L45-M3/57T - Vishay General Semiconductor - Diodes Division.

Datasheets
VSSC8L45-M3.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
VSSC8L45-M3/57T Image

VSSC8L45-M3/57T

Vishay General Semiconductor - Diodes Division
32D-VSSC8L45-M3/57T

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB