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Vishay General Semiconductor - Diodes Division P6KA12AHE3/54
- Part No.:
- P6KA12AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KA12AHE3/54.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,855
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Product details
Overview
P6KA12AHE3/54 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 11.4 V to 12.6 V breakdown voltage (VBR), 10.2 V stand-off voltage (VWM), 600 W peak pulse power (10/1000 μs), 16.7 V clamping voltage at 35.9 A, and operates up to +185 °C junction temperature - deployed in automotive engine control units, industrial PLC I/O modules, and telecom power supply rails.
For engineers reviewing the P6KA12AHE3/54 datasheet, P6KA12AHE3/54 pinout, P6KA12AHE3/54 application, or P6KA12AHE3/54 equivalent, key selection criteria include unidirectional polarity, DO-204AC (DO-15) package compatibility, AEC-Q101 qualification, high-temperature reliability (TJ = 185 °C), and clamping performance under 10/1000 μs surge conditions.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to deliver stable clamping under repetitive transients. Its junction passivation enables operation at TJ = 185 °C and supports automotive-grade reliability per AEC-Q101.
The device exhibits low incremental surge resistance and fast response time (<1 ns), with clamping voltage tightly controlled at 16.7 V under 35.9 A peak pulse current (10/1000 μs). Reverse leakage remains ≤2.0 μA at VWM = 10.2 V and ≤5.0 μA at TJ = 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.4 V / 12.6 V - ensures reliable conduction onset above normal operating voltage while avoiding false triggering |
| VWM | 10.2 V - maximum continuous reverse voltage before significant leakage; matches 12 V nominal rail systems |
| VC @ IPPM | 16.7 V - clamping voltage during 35.9 A surge; protects downstream ICs rated ≤20 V absolute max |
| PPPM | 600 W - handles standard 10/1000 μs lightning/surge pulses per IEC 61000-4-5 Level 4 |
| TJ max. | +185 °C - supports under-hood automotive placement and high-ambient industrial environments |
| Polarity | Unidirectional - suitable for DC power line protection where reverse conduction is not required |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements (HTOL, TC, AC, etc.) |
Pinout & Package
Package: DO-204AC (DO-15), axial lead, molded epoxy case with UL 94 V-0 rating; matte tin-plated leads, solderable per J-STD-002; cathode denoted by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / surge return path | Connected to ground or low-impedance return in unidirectional TVS configuration |
| Cathode | Protected line connection | Connected to the line being protected (e.g., 12 V supply rail); color-banded end |
Key Features
| Feature | Design Value |
|---|---|
| High-temperature junction capability | TJ = 185 °C enables placement near heat sources (e.g., power MOSFETs, engine bays) without derating loss |
| Low clamping ratio (VC/VBR) | 1.32 - tight ratio improves margin for 15 V tolerant ICs on 12 V systems |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, humidity bias, and accelerated life testing |
| 600 W peak pulse power | Sustains IEC 61000-4-5 Combination Wave (10/700 μs line, 1.2/50 μs surge) with margin |
| Passivated junction technology | Reduces parameter drift over time and under thermal stress, improving long-term reliability |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground, clamping surges within nanoseconds. Use Value: Clamps to 16.7 V at 35.9 A, preserving 20 V-rated microcontrollers and CAN transceivers without crowbar action. | Use Scenario: Shielding 4–20 mA analog sensor outputs from ESD and field wiring transients in factory automation. IC Role / Device Role / Timing Role: TVS mounted at connector entry point, shunting surge energy before reaching precision op-amps or ADC front-ends. Use Value: Low leakage (≤2.0 μA at 10.2 V) avoids offset error in μA-level current loops; DO-15 fits compact DIN-rail module footprints. |
| Telecom DC Power Input Protection | Consumer Power Adapter Output Protection |
Use Scenario: Safeguarding -48 V or +24 V telecom power supplies from induced lightning surges on long-line feeds. IC Role / Device Role / Timing Role: Primary overvoltage clamp on input stage, coordinated with upstream fuses and MOVs. Use Value: 600 W rating and 185 °C operation support sustained duty in sealed, fanless telecom cabinets. | Use Scenario: Preventing damage to USB-C PD controllers and GaN FETs from output overvoltage events during adapter fault conditions. IC Role / Device Role / Timing Role: Secondary-side TVS on regulated DC output, triggered only during abnormal regulation failure. Use Value: Fast response (<1 ns) and precise 10.2 V stand-off ensure no false triggering during normal 12 V/20 V output ripple. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-E3/5AT | Lower peak pulse power (400 W), SMA package (surface-mount), VC = 19.9 V at 21.7 A | Preferred for space-constrained PCBs; less robust for high-energy transients | Select when board area is critical and surge energy is limited to IEC 61000-4-2/4-4 levels |
| 1.5KE12A | Higher VC = 18.2 V at 33.0 A, through-hole DO-201AD package, same 600 W rating | Larger footprint; higher clamping voltage reduces protection margin for 15 V ICs | Choose when legacy DO-201AD layout exists and 18.2 V clamping is acceptable |
Compared with SMAJ12A-E3/5AT and 1.5KE12A, the P6KA12AHE3/54 delivers superior thermal robustness (185 °C vs. 150 °C), tighter clamping (16.7 V), and AEC-Q101 qualification - making it optimal for automotive and high-reliability industrial deployments where ambient temperature and surge repetition matter.
Availability
P6KA12AHE3/54 is available at Aetrix Electronics and suitable for automotive engine control units, industrial programmable logic controller (PLC) I/O modules, and telecom DC power input stages requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for P6KA12AHE3/54 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 diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability, high-temperature operation, and automotive qualification.
The P6KA12AHE3/54 belongs to Vishay's PAR® series of high-power unidirectional TVS diodes, engineered specifically for harsh-environment overvoltage protection in automotive, industrial, and telecom infrastructure where AEC-Q101 compliance and 185 °C operation are mandatory.
FAQ
What is the breakdown voltage range for the P6KA12AHE3/54?
The P6KA12AHE3/54 has a specified breakdown voltage (VBR) range of 11.4 V minimum to 12.6 V maximum at 1.0 mA test current. This tight tolerance ensures predictable turn-on behavior in 12 V system protection, avoiding premature conduction during normal operation while guaranteeing activation before damaging overvoltages occur. The value is measured per ANSI/IEEE C62.35 standards.
Is the P6KA12AHE3/54 suitable for automotive applications?
Yes, the P6KA12AHE3/54 is AEC-Q101 qualified and rated for junction temperatures up to +185 °C, making it suitable for under-hood and powertrain applications. Its DO-204AC package, matte tin-plated leads, and passivated junction meet automotive reliability requirements for thermal cycling, humidity bias, and long-term stability - confirmed in Vishay's official qualification report for the P6KAxxA family.
What is the clamping voltage of the P6KA12AHE3/54 under surge conditions?
The P6KA12AHE3/54 clamps to a maximum of 16.7 V at its rated peak pulse current of 35.9 A (10/1000 μs waveform). This clamping voltage is guaranteed across temperature and lifetime, providing a safe margin below the 20 V absolute maximum rating of most automotive microcontrollers and interface ICs. The low VC/VBR ratio of 1.32 reflects optimized junction design.
Does the P6KA12AHE3/54 have unidirectional or bidirectional polarity?
The P6KA12AHE3/54 is unidirectional only, as explicitly stated in the Vishay datasheet. Its cathode is marked by a color band, and it conducts surge current from cathode to anode during overvoltage events on positive rails. It is not rated for reverse surge protection and must be oriented correctly in-circuit - unlike bidirectional variants such as the P6SMB12A.
What package type does the P6KA12AHE3/54 use, and is it RoHS-compliant?
The P6KA12AHE3/54 uses the DO-204AC (DO-15) axial-leaded package with molded epoxy housing rated UL 94 V-0. The HE3 suffix confirms RoHS compliance and AEC-Q101 qualification; terminals are matte tin-plated and solderable per J-STD-002. Lead finish and whisker resistance (JESD 201 Class 2) are fully documented in the ordering information section of the datasheet.
P6KA12AHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 35.9A
- 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)
P6KA12AHE3/54 FAQ
1.How can I place an order for P6KA12AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KA12AHE3/54 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 P6KA12AHE3/54 reliable?
The price and inventory of P6KA12AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KA12AHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KA12AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KA12AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KA12AHE3/54?
P6KA12AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KA12AHE3/54 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 P6KA12AHE3/54?
For technical support, including P6KA12AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KA12AHE3/54 requirements.
6.How does Aetrix verify that P6KA12AHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KA12AHE3/54 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 P6KA12AHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KA12AHE3/54?
All P6KA12AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KA12AHE3/54, 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 P6KA12AHE3/54 part is unused and in its original packaging.
Return procedure for P6KA12AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KA12AHE3/54 Tags
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