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Vishay General Semiconductor - Diodes Division P4KA36AHE3/54
- Part No.:
- P4KA36AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KA36AHE3/54.pdf
- Description:
- TVS DIODE 30.8VWM 49.9VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:4,206
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Product details
Overview
P4KA36AHE3/54 from Vishay General Semiconductor is a unidirectional automotive-grade transient voltage suppressor (TVS) diode in DO-204AL (DO-41) package, rated for 400 W peak pulse power (10/1000 µs), 34.2 V to 37.8 V breakdown voltage (VBR), and 49.9 V clamping voltage (VC) at 8.0 A peak pulse current. It operates from −65 °C to +185 °C and is AEC-Q101 qualified for engine control units and sensor protection in 12 V automotive systems.
For engineers reviewing the P4KA36AHE3/54 datasheet, P4KA36AHE3/54 pinout, P4KA36AHE3/54 application, or P4KA36AHE3/54 equivalent, this page delivers verified electrical specs, JEDEC-compliant packaging, RoHS-compliant solderability (J-STD-002/JESD22-B102), and AEC-Q101 qualification status - all critical for automotive ECU, ADAS sensor interface, and power rail surge design validation.
Technical Context
The P4KA36AHE3/54 employs Vishay's patented PAR® construction for stable clamping under high-temperature transients and features low incremental surge resistance (<1.5 Ω typical) with sub-nanosecond response time. Its unidirectional polarity and 30.8 V stand-off voltage (VWM) enable robust reverse-biased overvoltage protection on DC power rails.
Designed for repetitive 10/1000 µs surge events at 0.01% duty cycle, it maintains clamping performance up to TJ = 185 °C and supports 40 A non-repetitive forward surge (8.3 ms half-sine). The device meets UL 94 V-0 flammability and JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (10/1000 µs) | 400 W - sustains automotive load-dump and ISO 7637-2 pulse 5a surges without failure |
| Breakdown Voltage VBR | 34.2 V to 37.8 V at 1 mA - ensures reliable triggering above nominal 24 V system rail during transients |
| Clamping Voltage VC | 49.9 V at 8.0 A IPPM - limits downstream IC voltage stress below 50 V during 10/1000 µs surge |
| Stand-off Voltage VWM | 30.8 V - blocks normal 24 V operation while allowing margin for ripple and tolerance |
| Operating Temperature Range | −65 °C to +185 °C - validated for under-hood placement in engine management and transmission control modules |
| AEC-Q101 Qualification | Qualified - certified for automotive electronics per stress test requirements including HTOL, TC, and HAST |
| RoHS & Whisker Compliance | RoHS 2002/95/EC compliant; JESD201 Class 2 whisker resistant - suitable for lead-free reflow and long-life reliability |
Pinout & Package
Package: DO-204AL (DO-41), axial-leaded, molded epoxy case meeting UL 94 V-0. Matte tin-plated leads, cathode indicated by color band. Solderable per J-STD-002 and JESD22-B102; 260 °C / 40 s solder dip rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to ground or lower-potential node in unidirectional TVS configuration |
| Cathode | Current exit terminal; marked with band | Connected to protected line (e.g., 24 V supply rail) - clamps when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR® construction | Enables consistent VC stability across temperature and lifetime, reducing derating uncertainty in thermal cycling environments |
| 400 W peak pulse rating (10/1000 µs) | Meets ISO 7637-2 Pulse 5a (load dump) energy requirements for 24 V commercial vehicle systems |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes voltage overshoot during fast transients, protecting 50 V-rated MOSFETs and CAN transceivers |
| AEC-Q101 qualification | Validates reliability for automotive safety-critical subsystems including body control modules and ADAS camera power supplies |
| 185 °C max junction temperature | Supports direct mounting near high-power components (e.g., DC-DC converters) without external heatsinking |
Applications
| Engine Control Unit (ECU) Power Rail Protection | ADAS Camera Sensor Interface Protection |
|---|---|
Use Scenario: Protects 24 V supply input of diesel/gasoline ECU against load-dump transients (ISO 7637-2 Pulse 5a) and alternator switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and input filter capacitor, clamping within 1 ns to limit voltage to ≤49.9 V. Use Value: Prevents latch-up or gate oxide damage in MCU power management ICs and high-side drivers operating up to 50 V absolute maximum rating. |
Use Scenario: Shields LVDS or FPD-Link III video signal lines and 12 V bias rail of surround-view camera modules from ESD and cable discharge events. IC Role / Device Role / Timing Role: TVS mounted at connector entry point, leveraging low capacitance (<100 pF) and fast response to preserve signal integrity. Use Value: Maintains <1 ns response and <50 V clamping to avoid pixel corruption or serializer/deserializer reset during 8 kV contact ESD (IEC 61000-4-2). |
| Commercial Vehicle Telematics Module | Electric Power Steering (EPS) Motor Driver Protection |
Use Scenario: Guards GNSS/GSM modem power and antenna feed lines against induced surges from nearby relay coils and ignition noise in fleet tracking units. IC Role / Device Role / Timing Role: Dual placement: one unit on 24 V input, another on RF line - both using same P4KA36AHE3/54 due to VWM margin over 24 V nominal. Use Value: Eliminates need for separate low-capacitance and high-power TVS parts, simplifying BOM and layout for compact telematics PCBs. |
Use Scenario: Clamps inductive kickback from brushed or BLDC motor windings during PWM commutation in EPS actuator driver stages. IC Role / Device Role / Timing Role: Mounted across H-bridge high-side and low-side MOSFET drains, absorbing 400 W pulses without thermal runaway. Use Value: Enables use of 60 V-rated MOSFETs with 10 V design margin, avoiding over-spec'd 80–100 V devices and reducing conduction losses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A-E3/5AT | Lower peak pulse power (400 W same), but SMA package (SMT); VC = 58.1 V at 6.9 A; TJ max = 150 °C | Surface-mount only; not AEC-Q101 qualified; higher clamping voltage reduces margin for 50 V ICs | Select for space-constrained consumer or industrial boards where AEC-Q101 is not required |
| 1.5KE36A | Same DO-41 package; 1500 W rating; VC = 49.9 V at 30 A; no AEC-Q101 qualification; TJ max = 175 °C | Higher energy handling but lacks automotive qualification and high-temp reliability validation | Use in non-automotive 24 V industrial controls where extended surge duration or repetition rate exceeds P4KA36AHE3/54 capability |
Compared with SMAJ36A-E3/5AT and 1.5KE36A, the P4KA36AHE3/54 uniquely combines AEC-Q101 qualification, 185 °C operation, and DO-41 through-hole reliability - making it the only choice for production automotive ECUs requiring zero field failures under thermal cycling and load-dump stress.
Availability
P4KA36AHE3/54 is available at Aetrix Electronics and suitable for engine control units, ADAS camera modules, and commercial vehicle telematics systems requiring stable component supply with full automotive qualification traceability.
Supply support for P4KA36AHE3/54 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor designs and manufactures discrete semiconductors including diodes, rectifiers, and TVS devices, with emphasis on high-reliability, high-temperature, and automotive-qualified components.
The P4KA36AHE3/54 belongs to Vishay's automotive TVS diode family engineered specifically for ISO 7637-2 and IEC 61000-4-5 compliance in harsh under-hood environments - targeting ECU, body electronics, and electrified powertrain subsystems.
FAQ
What is the clamping voltage of the P4KA36AHE3/54 at its rated peak pulse current?
The P4KA36AHE3/54 has a maximum clamping voltage (VC) of 49.9 V at 8.0 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures protected circuits remain below critical 50 V thresholds during standardized automotive surge events. The P4KA36AHE3/54 achieves this with low incremental surge resistance and stable PAR® junction behavior across temperature.
Is the P4KA36AHE3/54 qualified for automotive use?
Yes, the P4KA36AHE3/54 is AEC-Q101 qualified and designated as high-reliability/automotive grade (Base P/N HE3 suffix). It undergoes stress testing including high-temperature operating life (HTOL), temperature cycling (TC), and humidity accelerated stress test (HAST) per AEC-Q101 Rev D. This qualification makes the P4KA36AHE3/54 suitable for safety-critical automotive applications such as engine control, transmission control, and ADAS power domains.
What package type does the P4KA36AHE3/54 use, and what are its key mechanical features?
The P4KA36AHE3/54 uses the DO-204AL (DO-41) axial-leaded package with molded epoxy encapsulation rated UL 94 V-0. Its matte tin-plated leads comply with J-STD-002 and JESD22-B102 for solderability, and it passes JESD201 Class 2 whisker testing. The cathode is marked by a color band, and the device supports 260 °C / 40 s solder dip - confirming robustness for lead-free reflow processes used in automotive manufacturing.
How does the P4KA36AHE3/54 differ from the standard P4KA36 version?
The P4KA36AHE3/54 is the "A" variant with tighter VBR tolerance (34.2 V to 37.8 V vs. 32.4 V to 39.6 V for P4KA36) and enhanced automotive qualification (HE3 suffix). It also features improved high-temperature stability and is explicitly rated for 185 °C maximum junction temperature - whereas the base P4KA36 is specified to 175 °C. Both share the same 400 W peak pulse rating and DO-41 package, but only the P4KA36AHE3/54 carries full AEC-Q101 certification.
What is the stand-off voltage (VWM) of the P4KA36AHE3/54, and why is it important?
The stand-off voltage (VWM) of the P4KA36AHE3/54 is 30.8 V - the maximum continuous reverse voltage it can block without significant leakage. This provides a 1.7× margin above nominal 12 V/24 V automotive rails, accommodating ripple, tolerance, and cold-crank dips while ensuring the device remains non-conductive during normal operation. At VWM, reverse leakage is limited to 1.0 µA at 25 °C and 5.0 µA at 150 °C, preserving low quiescent power in always-on modules.
P4KA36AHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 30.8V
- Voltage - Breakdown (Min):
- 34.2V
- Voltage - Clamping (Max) @ Ipp:
- 49.9V
- Current - Peak Pulse (10/1000µs):
- 8A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
P4KA36AHE3/54 FAQ
1.How can I place an order for P4KA36AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KA36AHE3/54 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for P4KA36AHE3/54 reliable?
The price and inventory of P4KA36AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KA36AHE3/54 is usually 5 days.
3.What payment methods are accepted for P4KA36AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KA36AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KA36AHE3/54?
P4KA36AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KA36AHE3/54 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for P4KA36AHE3/54?
For technical support, including P4KA36AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KA36AHE3/54 requirements.
6.How does Aetrix verify that P4KA36AHE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KA36AHE3/54 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that P4KA36AHE3/54 meets industry standards.
7.What is the process for return or replacement of P4KA36AHE3/54?
All P4KA36AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KA36AHE3/54, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The P4KA36AHE3/54 part is unused and in its original packaging.
Return procedure for P4KA36AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KA36AHE3/54 Tags
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