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Vishay General Semiconductor - Diodes Division P4KA36HE3/54
- Part No.:
- P4KA36HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KA36HE3/54.pdf
- Description:
- TVS DIODE 29.1VWM 52VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:6,235
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Product details
Overview
P4KA36HE3/54 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), 32.4–39.6 V breakdown voltage (VBR), and 52.0 V clamping voltage (VC) at 7.7 A peak pulse current. It operates from −65 °C to +185 °C and is AEC-Q101 qualified for engine control units, sensor protection, and power line surge suppression in automotive electronics.
For engineers reviewing the P4KA36HE3/54 datasheet, P4KA36HE3/54 pinout, P4KA36HE3/54 application, or P4KA36HE3/54 equivalent, key selection criteria include its 1.0 VWM stand-off voltage, 1.0 µA max reverse leakage at TJ = 150 °C, 0.099 %/°C VBR temperature coefficient, RoHS-compliant HE3 suffix with JESD201 Class 2 whisker resistance, and matte tin-plated leads solderable per J-STD-002.
Technical Context
The P4KA36HE3/54 implements patented PAR® construction for stable clamping under repetitive surge stress and high-temperature operation up to 185 °C junction temperature. Its unidirectional polarity and DO-204AL package support direct integration into 12 V and 24 V automotive power rails where fast response (<1 ns) and low incremental surge resistance are required.
It complies with ANSI/IEEE C62.35 for transient suppression and meets AEC-Q101 stress test requirements including temperature cycling, humidity bias, and mechanical shock - confirming suitability for under-hood applications with high thermal and vibration demands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (10/1000 µs) | 400 W - sustains single or low-duty-cycle transients from load dump or inductive switching without failure |
| Breakdown Voltage VBR | 32.4–39.6 V at 1 mA - defines precise conduction onset threshold for 24 V system overvoltage protection |
| Clamping Voltage VC | 52.0 V at 7.7 A IPPM - limits downstream IC/MOSFET voltage stress during ISO 7637-2 Pulse 1/2a/5a events |
| Stand-off Voltage VWM | 29.1 V - ensures no conduction during normal 24 V nominal operation with margin above max battery voltage |
| Operating Temperature Range | −65 °C to +185 °C - enables placement near engines, alternators, or power inverters without derating |
| AEC-Q101 Qualification | Qualified - validated for automotive reliability including HTOL, TC, HAST, and UHAST per stress test plan |
| RoHS & Whisker Rating | RoHS-compliant HE3 suffix; JESD201 Class 2 - eliminates tin whisker risk in long-life automotive modules |
Pinout & Package
Package: DO-204AL (DO-41), axial-leaded, molded epoxy case meeting UL 94 V-0. Cathode indicated by color band. Matte tin-plated leads, 0.375" (9.5 mm) minimum lead length.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to protected circuit ground or low-side return path | Provides low-impedance path to ground during reverse-biased transient clamping; must be routed with minimal inductance |
| Cathode | Transient voltage reference node; connected to line being protected (e.g., 24 V rail) | Defines clamping threshold relative to anode; color band identifies this terminal for correct PCB orientation |
Key Features
| Feature | Design Value |
|---|---|
| Patented PAR® construction | Enables consistent VBR stability across temperature and lifetime, critical for AEC-Q101 compliance |
| 400 W peak pulse rating (10/1000 µs) | Handles ISO 7637-2 Pulse 5a (load dump) surges up to 120 V/100 ms without degradation |
| 0.099 %/°C VBR tempco | Minimizes drift in clamping threshold over −40 °C to +150 °C ambient, ensuring robust protection margin |
| 1.0 µA max ID at VWM, TJ = 150 °C | Prevents excessive standby current in always-on vehicle networks (e.g., CAN wake-up lines) |
| Solder dip 260 °C, 40 s | Supports standard lead-free reflow and wave soldering processes without parametric shift or delamination |
Applications
| Engine Control Unit (ECU) Power Input Protection | Automotive Sensor Signal Line Protection |
|---|---|
Use Scenario: Protects ECU 24 V supply rail against load dump transients (up to 120 V, 400 ms) generated by alternator disconnection. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between battery rail and input filter capacitor, clamping surges before DC/DC converter stage. Use Value: Limits voltage to ≤52.0 V during 7.7 A surge, preventing damage to LDOs, microcontrollers, and gate drivers in ASIL-B systems. |
Use Scenario: Shields analog outputs of pressure/temperature sensors from ESD and coupled noise on harnesses near ignition coils. IC Role / Device Role / Timing Role: Low-capacitance (typ. <100 pF) unidirectional clamp on sensor output line, referenced to chassis ground. Use Value: Responds in <1 ns to ±8 kV contact ESD (IEC 61000-4-2), maintaining signal integrity below 1 mV offset shift. |
| Body Control Module (BCM) LIN Bus Protection | Electric Power Steering (EPS) Motor Driver Protection |
Use Scenario: Guards LIN transceiver I/O pins against battery feed coupling and relay bounce transients in door modules. IC Role / Device Role / Timing Role: Stand-off voltage (29.1 V) exceeds LIN bus operating range (12 V ±10 %), enabling silent operation during normal signaling. Use Value: Clamps induced spikes to <52.0 V while adding <0.5 pF parasitic capacitance - no data rate degradation at 20 kbps. |
Use Scenario: Suppresses inductive kickback from 12 V motor windings switching at 20 kHz PWM in EPS actuator drivers. IC Role / Device Role / Timing Role: Mounted across H-bridge high-side FET drain-source, absorbing energy during freewheeling phase. Use Value: Dissipates 400 W peak pulses without thermal runaway, enabling continuous operation at TJ = 185 °C under hood conditions. |
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-E3/5A (Vishay) | Same VBR range (32.4–39.6 V), but 400 W rating uses 8.3 ms sine wave; lower IPPM (7.5 A); SMA package | Surface-mount only; not AEC-Q101 qualified; lacks HE3 whisker rating | Select for cost-sensitive non-automotive designs where reflow compatibility and board space outweigh qualification needs |
| 1.5KE36A (ON Semiconductor) | Same DO-204AL package and 36 V nominal rating, but 1.5 kW peak power (10/1000 µs); higher VC = 58.1 V; no AEC-Q101 or HE3 suffix | Higher clamping voltage increases stress on downstream components; no automotive reliability validation | Choose when higher single-pulse energy handling is required and automotive qualification is not mandated |
Compared with SMAJ36A-E3/5A and 1.5KE36A, the P4KA36HE3/54 uniquely combines AEC-Q101 qualification, JESD201 Class 2 whisker resistance, and guaranteed 52.0 V clamping at 7.7 A - making it the only option validated for safety-critical 24 V automotive power domains requiring zero field failures.
Availability
P4KA36HE3/54 is available at Aetrix Electronics and suitable for engine control units, body control modules, and electric power steering systems requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for P4KA36HE3/54 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 is a global leader in discrete semiconductors, specializing in high-reliability diodes, MOSFETs, optoelectronics, and passive components for automotive, industrial, and computing markets.
The P4KA36HE3/54 belongs to Vishay's automotive TVS diode family engineered specifically for AEC-Q101 compliance and under-hood surge immunity - targeting replacement of legacy 1N6267-style devices with enhanced thermal robustness and process control.
FAQ
What is the clamping voltage of the P4KA36HE3/54 at its rated peak pulse current?
The P4KA36HE3/54 has a maximum clamping voltage (VC) of 52.0 V at 7.7 A peak pulse current (IPPM) using the 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that downstream components see no more than 52.0 V during standardized surge events, making the P4KA36HE3/54 suitable for protecting 24 V automotive electronics against ISO 7637-2 Pulse 5a load dump.
Is the P4KA36HE3/54 qualified to AEC-Q101 standards?
Yes, the P4KA36HE3/54 is explicitly AEC-Q101 qualified, as confirmed in Vishay document 88364 revision 21-Oct-08. The HE3 suffix denotes high-reliability, automotive-grade construction, including validation for temperature cycling, humidity bias, and mechanical shock. This qualification makes the P4KA36HE3/54 appropriate for safety-critical automotive applications such as engine control and power steering where zero field failures are mandatory.
What does the HE3/54 suffix mean in P4KA36HE3/54?
The HE3 suffix in P4KA36HE3/54 indicates RoHS compliance, high-reliability construction, and JESD201 Class 2 whisker resistance - essential for automotive longevity. The "54" denotes the preferred package code: 13-inch paper tape and reel, 5500 units per reel. This packaging supports automated SMT placement and ensures traceable, controlled handling for high-volume automotive manufacturing.
Can the P4KA36HE3/54 be used in 12 V automotive systems?
The P4KA36HE3/54 is optimized for 24 V nominal systems (VWM = 29.1 V, VBR min = 32.4 V), providing adequate margin above 12 V rail transients. Using it in 12 V applications risks premature conduction due to insufficient standoff margin - especially under temperature variation. For 12 V systems, P4KA13HE3/54 (VWM = 10.5 V) or P4KA15HE3/54 (VWM = 12.1 V) are better matched alternatives to the P4KA36HE3/54.
What is the maximum junction temperature rating for the P4KA36HE3/54?
The P4KA36HE3/54 has a maximum junction temperature (TJ) rating of +185 °C, verified per AEC-Q101 testing. This allows direct mounting on high-temperature PCB areas near power converters or engine compartments without external heatsinking. Its thermal performance is sustained across the full −65 °C to +185 °C storage and operating range, distinguishing the P4KA36HE3/54 from commercial-grade TVS diodes limited to +150 °C.
P4KA36HE3/54 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):
- 29.1V
- Voltage - Breakdown (Min):
- 32.4V
- Voltage - Clamping (Max) @ Ipp:
- 52V
- Current - Peak Pulse (10/1000µs):
- 7.7A
- 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)
P4KA36HE3/54 FAQ
1.How can I place an order for P4KA36HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KA36HE3/54 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 P4KA36HE3/54 reliable?
The price and inventory of P4KA36HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KA36HE3/54 is usually 5 days.
3.What payment methods are accepted for P4KA36HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KA36HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KA36HE3/54?
P4KA36HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KA36HE3/54 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 P4KA36HE3/54?
For technical support, including P4KA36HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KA36HE3/54 requirements.
6.How does Aetrix verify that P4KA36HE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KA36HE3/54 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 P4KA36HE3/54 meets industry standards.
7.What is the process for return or replacement of P4KA36HE3/54?
All P4KA36HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KA36HE3/54, 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 P4KA36HE3/54 part is unused and in its original packaging.
Return procedure for P4KA36HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KA36HE3/54 Tags
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