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Vishay General Semiconductor - Diodes Division P6KA36HE3/73
- Part No.:
- P6KA36HE3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KA36HE3/73.pdf
- Description:
- TVS DIODE 29.1VWM 52VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:2,431
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Product details
Overview
P6KA36HE3/73 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 32.4 V to 39.6 V breakdown voltage (VBR), 29.1 V stand-off voltage (VWM), 600 W peak pulse power (10/1000 μs), 11.5 A peak pulse current (IPPM), and clamps to ≤52.0 V at rated surge - deployed in automotive power rails, industrial sensor interfaces, and MOSFET gate protection.
For engineers reviewing the P6KA36HE3/73 datasheet, P6KA36HE3/73 pinout, P6KA36HE3/73 application, or P6KA36HE3/73 equivalent, key selection criteria include its AEC-Q101 qualification, 185 °C junction rating, DO-204AC (DO-15) package compatibility, and verified clamping performance under repetitive 10/1000 μs transients in high-reliability embedded systems.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology with optimized junction passivation for stable leakage and low incremental surge resistance. Its unidirectional polarity enables integration into DC-biased circuits where reverse conduction must be blocked until clamping threshold is exceeded.
Rated for operation from –65 °C to +185 °C, it supports high-temperature environments including under-hood automotive electronics and industrial motor drives. The device meets JESD 201 Class 2 whisker resistance and UL 94 V-0 flammability requirements per its molded epoxy DO-204AC package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 32.4 V / 39.6 V - ensures reliable triggering above normal operating voltage while avoiding false clamping during transients near VWM |
| VWM | 29.1 V - maximum continuous reverse voltage before leakage exceeds 1 μA, defining safe DC operating margin |
| IPPM | 11.5 A - peak surge current capability under 10/1000 μs waveform, directly supporting IEC 61000-4-5 Level 4 immunity |
| VC @ IPPM | ≤52.0 V - clamping voltage limits downstream component stress during full-rated surge, critical for 36 V system-level protection |
| PPPM | 600 W - peak pulse power handling defines transient energy absorption capacity without thermal runaway |
| TJ max. | +185 °C - enables use in high-ambient environments such as engine control units and industrial power supplies |
| AEC-Q101 | Qualified - confirms reliability validation for automotive electronic modules per stress test requirements |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, molded epoxy case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; cathode denoted by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to lower-potential side of protected circuit; conducts during forward surge or ESD events |
| Cathode | Clamping reference node | Connected to higher-potential rail; initiates avalanche breakdown when reverse voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables compliance with IEC 61000-4-5 surge immunity standards up to Level 4 in 2 Ω/12 Ω source impedance configurations |
| 185 °C maximum junction temperature | Supports placement in thermally demanding locations such as near power converters or under-hood ECUs without derating |
| AEC-Q101 qualification | Validates long-term reliability under automotive-grade temperature cycling, humidity, and mechanical stress conditions |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns), improving protection effectiveness for sensitive ICs |
| UL 94 V-0 molding compound | Ensures flame-retardant behavior in fault conditions, meeting safety requirements for industrial and transportation equipment |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 24 V battery-fed control modules against load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp surges exceeding 30 V. Use Value: Limits voltage to ≤52.0 V during 11.5 A surges, preventing damage to MCU power inputs and CAN transceivers. |
Use Scenario: Shielding analog output lines of pressure/temperature sensors from ESD and inductive switching noise. IC Role / Device Role / Timing Role: Low-capacitance TVS on signal line to ground, preserving signal integrity up to 1 MHz. Use Value: Clamps transients within nanoseconds while maintaining <1 μA leakage at 29.1 V, ensuring measurement accuracy. |
| MOSFET Gate Protection | Telecom DC Power Input Protection |
Use Scenario: Safeguarding N-channel MOSFET gates in motor driver half-bridges from Miller-induced voltage spikes. IC Role / Device Role / Timing Role: TVS connected between gate and source to suppress dv/dt-induced turn-on events. Use Value: Responds in <1 ns to limit gate-source voltage to safe levels, preventing unintended conduction or oxide breakdown. |
Use Scenario: Front-end surge suppression on 48 V telecom power feeds subject to lightning-induced surges. IC Role / Device Role / Timing Role: Primary unidirectional clamping device upstream of DC-DC converter input stage. Use Value: Absorbs 600 W pulses without degradation, maintaining ≤52.0 V clamping to protect downstream silicon. |
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 DO-214AC package, slightly higher VC (58.1 V) | Less suitable for IEC 61000-4-5 Level 4; better fit for space-constrained PCBs where footprint matters more than power rating | Select when board area is limited and surge energy is below 400 W; verify clamping margin with downstream IC VDS ratings |
| 1.5KE36A | Higher power (1500 W), larger DO-201AD package, same VWM/VBR range, non-AEC-Q101 | Preferred for industrial mains-connected equipment requiring higher energy handling but not automotive qualification | Choose for non-automotive applications needing greater surge margin; avoid where AEC-Q101 or DO-15 form factor is mandatory |
Compared with SMAJ36A-E3/5AT and 1.5KE36A, P6KA36HE3/73 delivers optimal balance of AEC-Q101 compliance, DO-204AC compactness, and 600 W surge capability - making it the preferred choice for automotive and high-reliability industrial designs where qualification, size, and standardized clamping are jointly critical.
Availability
P6KA36HE3/73 is available at Aetrix Electronics and suitable for automotive control units, industrial sensor nodes, and telecom power supplies requiring stable component supply, long-lifecycle support, and traceable AEC-Q101 qualified parts.
Supply support for P6KA36HE3/73 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 diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability, thermal performance, and application-specific optimization.
The P6KA36HE3/73 belongs to Vishay's PAR® series of high-temperature TVS diodes engineered specifically for automotive and industrial environments where sustained operation above 150 °C and immunity to repetitive transients are mandatory design requirements.
FAQ
What is the maximum clamping voltage of the P6KA36HE3/73 under rated surge conditions?
The P6KA36HE3/73 has a maximum clamping voltage (VC) of 52.0 V when subjected to its rated 11.5 A peak pulse current (IPPM) using the standard 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream components in 24 V–36 V systems. The P6KA36HE3/73 maintains this clamping performance across its full operating temperature range.
Is the P6KA36HE3/73 suitable for automotive applications?
Yes, the P6KA36HE3/73 is AEC-Q101 qualified and rated for operation from –65 °C to +185 °C, making it suitable for under-hood and powertrain applications. Its DO-204AC package passes JESD 201 Class 2 whisker testing, and its 600 W surge rating supports ISO 7637-2 and IEC 61000-4-5 compliance. The P6KA36HE3/73 is explicitly listed in Vishay's automotive-grade TVS portfolio.
What is the stand-off voltage (VWM) of the P6KA36HE3/73, and why does it matter?
The P6KA36HE3/73 has a stand-off voltage (VWM) of 29.1 V - the maximum DC or continuous reverse voltage it can block without exceeding 1 μA leakage. This parameter defines the safe operating margin below the breakdown voltage (32.4–39.6 V) and ensures no false triggering during normal operation. For a 24 V nominal system, the P6KA36HE3/73 provides ~21 % headroom before clamping begins.
Does the P6KA36HE3/73 have bidirectional polarity?
No, the P6KA36HE3/73 is unidirectional only, as confirmed in the Vishay datasheet. It functions as a single-junction avalanche diode with cathode marked by a color band and must be oriented to block forward current while clamping reverse transients. Bidirectional variants (e.g., P6KAB36HE3/73) are separate part numbers and are not interchangeable with the P6KA36HE3/73.
What packaging and plating specifications apply to the P6KA36HE3/73?
The P6KA36HE3/73 uses a DO-204AC (DO-15) package with matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. The HE3 suffix indicates RoHS compliance and JESD 201 Class 2 whisker resistance. The epoxy molding compound meets UL 94 V-0 flammability rating, and the device is supplied in 73" diameter paper tape and reel (base quantity: 4000 units).
P6KA36HE3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- PAR®
- Packaging:
- Tape & Box (TB)
- 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):
- 11.5A
- Power - Peak Pulse:
- 600W
- 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-204AC (DO-15)
P6KA36HE3/73 FAQ
1.How can I place an order for P6KA36HE3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KA36HE3/73 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 P6KA36HE3/73 reliable?
The price and inventory of P6KA36HE3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KA36HE3/73 is usually 5 days.
3.What payment methods are accepted for P6KA36HE3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KA36HE3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KA36HE3/73?
P6KA36HE3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KA36HE3/73 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 P6KA36HE3/73?
For technical support, including P6KA36HE3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KA36HE3/73 requirements.
6.How does Aetrix verify that P6KA36HE3/73 is sourced from the original manufacturer or authorized distributors?
All P6KA36HE3/73 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 P6KA36HE3/73 meets industry standards.
7.What is the process for return or replacement of P6KA36HE3/73?
All P6KA36HE3/73 units undergo pre-shipment inspection (PSI). If there is an issue with P6KA36HE3/73, 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 P6KA36HE3/73 part is unused and in its original packaging.
Return procedure for P6KA36HE3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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