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HomeProductsCircuit ProtectionTVS - DiodesSMA5J17CA-M3/5A
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SMA5J17CA-M3/5A - Vishay General Semiconductor - Diodes Division

Manufacturer Part Number
SMA5J17CA-M3/5A
Manufacturer
Vishay General Semiconductor – Diodes Division
Allelco Part Number
98D-SMA5J17CA-M3/5A
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
48,239 pcs available, New & Original
Parts Description
TVS DIODE 17VWM 27.6VC DO214AC
Package
DO-214AC (SMA)
Data sheet
SMA5J17CA-M3/5A.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 48239
  • Unit Price: $0.198
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.198 $0.20
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

SMA5J17CA-M3/5A Tech Specifications
Vishay General Semiconductor - Diodes Division - SMA5J17CA-M3/5A technical specifications, attributes, parameters and parts with similar specifications to Vishay General Semiconductor - Diodes Division - SMA5J17CA-M3/5A

Product Attribute Attribute Value
Manufacturer Vishay General Semiconductor – Diodes Division
Voltage - Reverse Standoff (Typ) 17V
Voltage - Clamping (Max) @ Ipp 27.6V
Voltage - Breakdown (Min) 18.9V
Type Zener
Supplier Device Package DO-214AC (SMA)
Series TransZorb®
Power Line Protection No
Power - Peak Pulse 500W
Product Attribute Attribute Value
Package / Case DO-214AC, SMA
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount
Current - Peak Pulse (10/1000µs) 18.1A
Capacitance @ Frequency -
Bidirectional Channels 1
Base Product Number SMA5J17
Applications General Purpose

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.10.0080

Frequently Asked Questions(FAQ)

How does the SMA5J17CA-M3/5A compare to other bidirectional TVS diodes in terms of clamping voltage and peak pulse current for protecting 12V automotive bus lines?
The SMA5J17CA-M3/5A offers a clamping voltage of 27.6V at 18.1A peak pulse current, making it suitable for transient protection on 12V systems where overvoltage events must be limited to safe levels. Compared to lower-power variants like the SMAJ15CA, which clamps at 24.4V with 14.8A Ipp, the SMA5J17CA-M3/5A provides higher surge handling capability while maintaining a similar footprint. For applications requiring tighter voltage margins, alternatives such as the SMAJ12CA may offer lower clamping but reduced energy absorption, necessitating trade-offs between protection level and system robustness.
What are the key thermal considerations when using the SMA5J17CA-M3/5A in high-reliability industrial environments?
With a peak pulse power rating of 500W and an operating junction temperature range from -55°C to 150°C, the SMA5J17CA-M3/5A is designed for rugged conditions. However, in continuous transient exposure scenarios—such as frequent load dump events in automotive or telecom systems—thermal management becomes critical. The device’s low thermal resistance and surface-mount packaging allow efficient heat dissipation via PCB copper areas, but designers should account for cumulative energy absorption over time and ensure adequate airflow or ground-plane cooling to prevent long-term degradation.
Can the SMA5J17CA-M3/5A be used interchangeably with the SMAJ17CA-TP in a production design without layout changes?
While the SMA5J17CA-M3/5A and SMAJ17CA-TP share identical electrical characteristics—including a 17V standoff voltage and 27.6V clamping—they differ in manufacturer and package marking conventions. Both use the DO-214AC (SMA) package, so mechanical compatibility is preserved. However, due to variations in internal construction and quality control between Vishay and other suppliers, substitution should follow formal qualification procedures. Layout and solder paste profiles remain compatible, but trace inductance and pad geometry should be verified to maintain transient response performance.
How does the capacitance behavior of the SMA5J17CA-M3/5A affect signal integrity in high-speed data lines protected by this TVS diode?
Although the datasheet does not specify capacitance explicitly, typical Zener-based TVS diodes like the SMA5J17CA-M3/5A exhibit low junction capacitance, often below 10pF, which minimizes signal attenuation and phase distortion in high-speed interfaces such as CAN, LIN, or USB. This makes it suitable for preserving waveform fidelity while still providing ESD and surge protection. Designers should confirm actual capacitance values through supplier models or lab measurement when interfacing with GHz-range signals.
What derating practices are recommended for the SMA5J17CA-M3/5A when deployed in mission-critical systems with unpredictable transient loads?
Operating the SMA5J17CA-M3/5A near its 500W peak pulse rating increases risk of failure under repeated transients. Industry best practice suggests derating by at least 30–50% based on measured or worst-case event energy. For example, if system transients rarely exceed 300W, the margin supports reliability. Additionally, limiting surge frequency and ensuring fast response times reduce thermal stress. Using statistical analysis of expected surges—such as ISO 7637-2 tests in vehicles—helps justify conservative selection without overdesigning the protection circuit.
Why might the SMA5J17CA-M3/5A be preferred over unidirectional TVS devices in certain bidirectional communication interfaces?
In interfaces like RS-485 or I2C that support bidirectional signaling, the SMA5J17CA-M3/5A’s single bidirectional channel simplifies layout and ensures symmetrical protection during both positive and negative voltage transients. Unidirectional arrays require paired diodes per line, increasing component count and potential mismatch. The TransZorb® series design ensures consistent clamping behavior regardless of transient polarity, improving system robustness without added complexity.
Does the absence of "Power Line Protection" specification imply the SMA5J17CA-M3/5A is unsuitable for mains-connected equipment?
Yes, the SMA5J17CA-M3/5A lacks reinforced insulation and is not rated for direct AC mains or high-energy power line transients such as lightning surges. Its 500W pulse rating and clamping voltage are optimized for telecom, automotive, or DC bus environments. Mains protection requires devices compliant with standards like IEC 61000-4-5 with higher energy ratings and safety certifications, typically using larger packages such as D3 or axial-leaded configurations.
How does the moisture sensitivity level (MSL) of the SMA5J17CA-M3/5A impact storage and assembly in lead-free reflow processes?
Classified as MSL 1 (unlimited shelf life), the SMA5J17CA-M3/5A can withstand multiple reflow cycles without baking prior to soldering. This simplifies inventory management and reduces handling costs in high-volume manufacturing. It aligns seamlessly with standard Pb-free reflow profiles, including peak temperatures up to 260°C for short durations, ensuring compatibility with modern SMT assembly lines without additional precautions.
What role does the TransZorb® technology play in the long-term reliability of the SMA5J17CA-M3/5A?
TransZorb® refers to Vishay’s proprietary diffusion-controlled Zener structure, which provides stable breakdown voltage over time and temperature. This enhances reliability in applications subject to aging or thermal cycling, such as outdoor sensors or automotive modules. The SMA5J17CA-M3/5A benefits from reduced leakage drift and consistent clamping performance, minimizing false triggers or degraded protection in field-deployed systems.
When selecting between the SMA5J17CA-M3/5A and alternative parts like SMAJ17CA-13-F, what non-electrical factors should influence the decision?
Beyond electrical matching, supply chain stability, lead time, and traceability are critical. The SMA5J17CA-M3/5A is manufactured by Vishay General Semiconductor, offering full documentation and compliance data, whereas equivalents from third-party distributors may vary in testing rigor. Designers must verify part number accuracy and avoid counterfeit components, especially in regulated industries like medical or aerospace, where component authenticity directly impacts certification.
How does the reverse standoff voltage of 17V in the SMA5J17CA-M3/5A influence system-level protection strategy?
The 17V standoff voltage allows the SMA5J17CA-M3/5A to remain inactive under normal operating voltages (e.g., 12V or 24V DC systems) while activating only when overvoltages exceed the breakdown threshold (~18.9V). This prevents unnecessary conduction and preserves signal integrity. It enables precise coordination with downstream regulators, ensuring that only excessive transients are clamped, thereby protecting sensitive ICs without introducing bias currents or loading effects.
Is the SMA5J17CA-M3/5A suitable for use in solar microinverters where rapid voltage spikes occur?
Solar microinverters generate high-frequency transients due to switching and grid disturbances. The SMA5J17CA-M3/5A’s fast response and 500W pulse rating make it viable for low-to-medium power stages, but higher-energy events may require supplemental protection or larger devices. Given its surface-mount form factor and RoHS compliance, it integrates well into compact designs, though EMI filtering and placement near connectors are essential to optimize effectiveness.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vishay General Semiconductor - Diodes Division SMA5J17CA-M3/5A

Product Attribute SMA5J17CA-E3/5A SMA5J17CAHE3/5A SMA5J17CA-M3/61 SMA5J17C-E3/5A
Part Number SMA5J17CA-E3/5A SMA5J17CAHE3/5A SMA5J17CA-M3/61 SMA5J17C-E3/5A
Manufacturer Vishay General Semiconductor - Diodes Division Vishay General Semiconductor - Diodes Division Vishay General Semiconductor - Diodes Division Vishay General Semiconductor - Diodes Division
Applications - - - -
Capacitance @ Frequency - - - -
Current - Peak Pulse (10/1000µs) - - - -
Voltage - Reverse Standoff (Typ) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Bidirectional Channels - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Breakdown (Min) - - - -
Voltage - Clamping (Max) @ Ipp - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Power - Peak Pulse - - - -
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Power Line Protection - - - -

SMA5J17CA-M3/5A Datasheet PDF

Download SMA5J17CA-M3/5A pdf datasheets and Vishay General Semiconductor - Diodes Division documentation for SMA5J17CA-M3/5A - Vishay General Semiconductor - Diodes Division.

Datasheets
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.pdf

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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.

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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)
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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.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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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.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
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  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
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  • IPC
  • ESD
  • PSMA
SMA5J17CA-M3/5A Image

SMA5J17CA-M3/5A

Vishay General Semiconductor - Diodes Division
98D-SMA5J17CA-M3/5A

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