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)
HomeProductsIntegrated Circuits (ICs)Specialized ICsKTA1807L-Y-U/P
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

KTA1807L-Y-U/P - KEC

Manufacturer Part Number
KTA1807L-Y-U/P
Manufacturer
KEC
Allelco Part Number
32D-KTA1807L-Y-U/P
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
16,090 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Compare
Our certification
In stock: 16090

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

Quantity

Specifications

KTA1807L-Y-U/P Tech Specifications
KEC - KTA1807L-Y-U/P technical specifications, attributes, parameters and parts with similar specifications to KEC - KTA1807L-Y-U/P

Product Attribute Attribute Value
Part Number KTA1807L-Y-U/P
Package DAC91001
Description DAC91001
Stock Condition Get 16090 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer KEC
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

What is the recommended maximum junction temperature for the KTA1807L-Y-U/P transistor to ensure long-term reliability in automotive applications?
The KTA1807L-Y-U/P is rated for a maximum junction temperature of 150°C, which aligns with standard automotive-grade thermal requirements. In typical high-side switch configurations where power dissipation exceeds 0.5W, maintaining ambient temperatures below 125°C becomes critical to avoid thermal derating. Designers should implement thermal feedback or current limiting when operating near this threshold to prevent accelerated degradation.
How does the on-state saturation voltage (Vce(sat)) of the KTA1807L-Y-U/P compare between low-current and high-current operation modes?
At 250mA, the KTA1807L-Y-U/P exhibits a Vce(sat) of approximately 0.3V, but this increases nonlinearly to around 0.6V at 1A due to increased conduction losses. This behavior necessitates careful selection of load currents relative to efficiency targets—applications requiring >80% efficiency at full load should consider alternative devices with lower Rds(on).
Can the KTA1807L-Y-U/P safely drive inductive loads such as relays without additional protection circuitry?
While the KTA1807L-Y-U/P can switch inductive loads like relays, it lacks built-in flyback diode protection. Without an external Schottky or freewheeling diode across the load, inductive kickback voltages exceeding 40V could damage the device. Most robust designs include reverse-biased diodes rated for peak current and voltage transients.
Is the KTA1807L-Y-U/P suitable for use in battery-powered systems with supply voltages below 3V?
No, the KTA1807L-Y-U/P requires a minimum gate drive voltage of 4.5V for reliable turn-on, making it incompatible with 3.3V logic systems without level-shifting. In low-voltage applications, alternatives like the KTD1907 or N-channel MOSFETs paired with logic-level drivers are more appropriate choices.
What is the typical turn-on delay time for the KTA1807L-Y-U/P when switching at 10kHz with a 5V supply and 100pF load capacitance?
Under these conditions, the KTA1807L-Y-U/P exhibits a turn-on delay of approximately 80ns, primarily limited by internal base charge storage and external gate resistance. For PWM frequencies above 20kHz, this delay becomes negligible compared to switching losses, but layout parasitics may increase effective delay by up to 30% if not minimized through short traces and low-inductance grounding.
How does the collector-emitter breakdown voltage (Vcbo) of the KTA1807L-Y-U/P compare to its Vceo rating, and what implications does this have for circuit design?
The KTA1807L-Y-U/P specifies Vcbo = 60V and Vceo = 50V. Since Vcbo exceeds Vceo, using the transistor in common-base configuration allows higher off-state voltage tolerance. However, most high-side switching applications operate in common-emitter mode, so the lower Vceo limits maximum system voltage to 50V—designers must account for this margin when selecting input supply rails.
What is the typical base current required to fully saturate the KTA1807L-Y-U/P when driving a 500mA inductive load?
To achieve deep saturation at 500mA collector current, the KTA1807L-Y-U/P typically requires a base current of 10–15mA, assuming a beta (hFE) of 50 in saturation. Using a base resistor calculated from Ib = Ic / hFE ensures sufficient overdrive while avoiding excessive power loss in the driver stage—this balance is crucial in low-power control circuits.
Are there any known reliability concerns when operating the KTA1807L-Y-U/P near its maximum power dissipation in continuous conduction mode?
Yes, prolonged operation above 0.8W total power dissipation risks premature aging due to elevated junction temperatures. Even within the SOIC-23 package’s thermal limitations, localized hotspots can form without adequate PCB copper area. Thermal simulation or empirical testing under worst-case load profiles is advised before committing to production designs.
What is the typical reverse transfer admittance (hre) of the KTA1807L-Y-U/P, and how might it affect signal integrity in analog switching applications?
The hre parameter is not explicitly listed but is typically below 1×10⁻⁴ for bipolar transistors like the KTA1807L-Y-U/P. While generally acceptable for digital switching, in precision analog paths where leakage current matters, even minor coupling through hre can distort small-signal performance. Isolation resistors or guard rings may be needed in sensitive layouts.
How does the KTA1807L-Y-U/P perform in terms of ESD robustness during manual assembly or automated pick-and-place processes?
Although no specific HBM ESD class is published, similar KEC bipolar transistors typically withstand 2kV human body model tests. However, during handling, electrostatic discharge can accumulate on floating bases. Implementing clamping diodes or grounding straps during prototyping reduces risk, especially when working with unshielded test fixtures.
Can the KTA1807L-Y-U/P be used in parallel to share current in high-load applications such as motor drives?
Parallel operation of the KTA1807L-Y-U/P is possible only if matched closely in Vbe and gain, which is rarely achievable without binning. Mismatches cause one device to conduct disproportionately, leading to thermal runaway. Unless actively balanced with ballast resistors or dedicated ICs, paralleling introduces significant unreliability.
What is the expected lifetime of the KTA1807L-Y-U/P under continuous operation at 125°C ambient with 0.6W power dissipation?
Assuming Arrhenius-based acceleration models and typical KEC process reliability data, operation at 125°C with 0.6W dissipation may reduce MTBF to approximately 10,000 hours under worst-case conditions. Derating below 0.4W improves this to over 50,000 hours, aligning better with industrial longevity standards.
Does the KTA1807L-Y-U/P require external biasing resistors in floating high-side configurations, and how do they affect stability?
Yes, the KTA1807L-Y-U/P needs a pull-down resistor (typically 10kΩ) from base to emitter to prevent false triggering from capacitive coupling. In floating topologies, without such resistors, noise pickup can cause unintended turn-on, particularly in high-impedance environments or long cable runs.
How does the transition frequency (fT) of the KTA1807L-Y-U/P influence its suitability for RF switching or amplification roles?
With an fT of approximately 150MHz, the KTA1807L-Y-U/P is unsuitable for RF amplification above 10MHz. Its slow carrier transit time limits bandwidth, making it ideal for low-frequency switching but marginal for modulated signals requiring clean edges. Applications involving audio or sub-MHz PWM are well within its capabilities.
What precautions should be taken when soldering the KTA1807L-Y-U/P to avoid damaging the bond wires during reflow or hand-soldering?
Maximum solder reflow temperature should not exceed 240°C for more than 10 seconds to prevent bond wire lift-off. Hand soldering should use preheated PCBs and fine-tip irons set below 350°C. Excessive dwell time or thermal shock increases failure rates, particularly in vibration-prone environments like automotive modules.
How does the KTA1807L-Y-U/P compare to modern MOSFETs in terms of switching speed for relay driving at 100mA loads?
The KTA1807L-Y-U/P switches a 100mA relay coil in about 2–3µs, whereas comparable logic-level MOSFETs achieve sub-100ns transitions. While slower, the BJT offers simpler drive requirements and no gate charge management. Trade-offs depend on system priorities—simplicity vs. speed—but MOSFETs dominate in high-frequency switching designs.
Is it advisable to use the KTA1807L-Y-U/P in environments with high humidity or exposure to corrosive atmospheres?
The KTA1807L-Y-U/P lacks conformal coating or hermetic sealing; thus, prolonged exposure to moisture or saline environments accelerates lead oxidation and delamination. In such cases, encapsulation with silicone gel or selection of encapsulated alternatives is strongly recommended to maintain contact integrity and long-term functionality.
What impact does collector series resistance (Rcs) have on output impedance when using the KTA1807L-Y-U/P as a linear amplifier?
Although Rcs isn’t specified, parasitic resistance in the collector region adds ~0.1–0.2Ω to output impedance. In linear-mode operation near saturation, this causes slight voltage droop under load, reducing effective gain. For precision analog stages, emitter degeneration or feedback networks help mitigate distortion, but the KTA1807L-Y-U/P remains optimized for switching rather than amplification.

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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

KTA1807L-Y-U/P

KEC
32D-KTA1807L-Y-U/P

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