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Vishay General Semiconductor - Diodes Division P6KE12AHE3/54
- Part No.:
- P6KE12AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE12AHE3/54.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,211
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Product details
Overview
P6KE12AHE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for primary overvoltage protection of DC power rails and signal lines. It features 12.6 V maximum breakdown voltage (VBR), 16.7 V maximum clamping voltage (VC) at 35.9 A peak pulse current (IPPM), 600 W peak pulse power rating with 10/1000 μs waveform, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the P6KE12AHE3/54 datasheet, P6KE12AHE3/54 pinout, P6KE12AHE3/54 application, or P6KE12AHE3/54 equivalent, key selection criteria include standoff voltage (10.2 V), reverse leakage (<5.0 μA), thermal resistance (20 °C/W junction-to-lead), and compliance with UL 497B surge protector classification under file E136766.
Technical Context
This TVS diode operates as a voltage-clamping device that remains high-impedance below its standoff voltage (VWM = 10.2 V) and rapidly transitions to low-impedance conduction above its breakdown threshold (VBR = 11.4–12.6 V). Its glass-passivated junction enables sub-nanosecond response time and stable clamping performance across temperature.
It is rated for 100 A non-repetitive forward surge current (IFSM) and dissipates up to 5.0 W continuously on an infinite heatsink at TL = 75 °C. The device's 0.078 %/°C temperature coefficient of VBR ensures predictable voltage drift over its –55 °C to +175 °C operating junction range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 10.2 V - Maximum continuous reverse voltage before significant leakage begins |
| VBR (Breakdown) | 11.4–12.6 V at 1.0 mA - Confirmed minimum/maximum voltage where device enters avalanche conduction |
| VC (Clamping) | 16.7 V at 35.9 A - Maximum voltage seen across protected circuit during 10/1000 μs transient |
| IPPM | 35.9 A - Peak surge current capability under standardized 10/1000 μs waveform |
| PPPM | 600 W - Peak transient power handling capacity without degradation |
| TJ max. | +175 °C - Maximum junction temperature enabling operation in under-hood automotive environments |
| RθJL | 20 °C/W - Thermal resistance from junction to lead, critical for PCB trace heat sinking design |
Pinout & Package
Package: DO-15 (DO-204AC), axial-leaded, epoxy-molded case with matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. Cathode identified by color band at one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (banded end) | Cathode terminal | Connected to system ground or lower-potential rail; polarity must be observed for unidirectional clamping |
| Cathode (non-banded end) | Anode terminal | Connected to protected line (e.g., 12 V rail or sensor input); conducts when line exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics requiring robust surge immunity |
| Glass passivated junction | Ensures stable VBR and low leakage over lifetime, even under thermal cycling and humidity stress |
| UL 497B recognized (E136766) | Meets Underwriters Laboratories requirements for telecom and industrial surge protection systems |
| 600 W 10/1000 μs rating | Provides margin against ISO 7637-2 Pulse 1/2a/2b/5a transients in 12 V vehicle networks |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage stress on downstream ICs such as microcontrollers and CAN transceivers |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply inputs of engine control modules (ECMs) from load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and local regulator input to clamp transients before they reach LDOs or MCUs. Use Value: Limits voltage to ≤16.7 V during 35.9 A surges, preventing latch-up or gate oxide damage in downstream 20 V-rated regulators. | Use Scenario: Safeguarding analog outputs of pressure sensors in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: TVS connected across sensor output and ground to absorb ESD and cable discharge events on 4–20 mA loops. Use Value: Sub-ns response ensures clamping occurs before ±8 kV contact ESD pulses damage precision op-amps or ADC front-ends. |
| Telecom Line Card Surge Protection | Consumer Power Adapter Input Stage |
Use Scenario: Secondary-side transient suppression on DC feeds powering VoIP phone line cards in central office equipment. IC Role / Device Role / Timing Role: Standoff-rated TVS on 48 V DC distribution bus to suppress induced lightning surges per ITU-T K.20/K.21. Use Value: UL 497B recognition and 600 W rating meet telecom infrastructure surge immunity requirements without external crowbar circuits. | Use Scenario: Input-stage overvoltage clamp in USB-C PD adapters handling variable 5–20 V input from upstream sources. IC Role / Device Role / Timing Role: Unidirectional TVS placed after bridge rectifier but before primary-side controller to limit AC line surge propagation. Use Value: 10.2 V VWM allows reliable blocking of normal 12 V adapter outputs while clamping 30 V+ transients to safe levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12A | DO-214AA package (smaller footprint), same VWM/VBR/VC, lower IPPM (32.4 A), same PPPM (600 W) | Better suited for space-constrained PCBs; slightly reduced surge margin due to smaller thermal mass | Select SMBJ12A when board area is limited and peak surge currents remain ≤32.4 A |
| 1.5KE12A | Same DO-15 package, higher PPPM (1500 W), higher VC (20.1 V), larger physical size and weight | Used where higher energy transients (e.g., ISO 16750-2) require greater margin beyond standard 600 W rating | Choose 1.5KE12A only if system-level testing confirms need for >600 W clamping capability |
Compared with SMBJ12A and 1.5KE12A, P6KE12AHE3/54 delivers optimal balance of AEC-Q101 qualification, UL recognition, and proven 600 W surge handling in the industry-standard DO-15 through-hole format-making it ideal for cost-sensitive, high-volume automotive and industrial designs requiring validated reliability.
Availability
P6KE12AHE3/54 is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor nodes, telecom line cards, and consumer power adapters requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P6KE12AHE3/54 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The P6KE series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for cost-effective, high-surge-capability protection of DC power and signal lines in automotive, industrial, and telecom infrastructure.
FAQ
What is the standoff voltage (VWM) of P6KE12AHE3/54, and why does it matter?
The P6KE12AHE3/54 has a maximum standoff voltage (VWM) of 10.2 V, meaning it remains non-conductive under normal 12 V system operation while blocking reverse leakage <5.0 μA. This value ensures compatibility with nominal 12 V rails-such as automotive battery supplies-without false triggering, while still allowing sufficient margin below the 11.4 V minimum breakdown voltage to guarantee reliable clamping only during actual transients.
Is P6KE12AHE3/54 suitable for automotive applications?
Yes, P6KE12AHE3/54 is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its +175 °C maximum junction temperature, glass-passivated junction, and UL 497B recognition (file E136766) validate its suitability for engine control units, body controllers, and infotainment power supplies exposed to load dump, jump-start, and ISO 7637-2 transients.
How does the clamping voltage (VC) of P6KE12AHE3/54 compare to similar TVS diodes?
P6KE12AHE3/54 clamps to a maximum of 16.7 V at 35.9 A (10/1000 μs), yielding a clamping ratio (VC/VBR) of ~1.39. This is tighter than many legacy 600 W TVS devices (e.g., 1.5KE12A clamps at 20.1 V), reducing overvoltage stress on downstream 16 V-rated regulators and CAN transceivers-critical for protecting modern low-voltage automotive ICs.
What packaging and plating specifications apply to P6KE12AHE3/54?
P6KE12AHE3/54 uses the DO-15 (DO-204AC) axial package with matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. The HE3 suffix indicates AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. It ships in 13" paper tape and reel (4000 pcs/reel, package code 54).
Can P6KE12AHE3/54 be used in bidirectional configurations?
No-P6KE12AHE3/54 is strictly unidirectional, as indicated by the "A" suffix (not "CA"). Bidirectional variants like P6KE12CA exist for AC-coupled or symmetrical signal line protection, but P6KE12AHE3/54 must be oriented with its cathode (banded end) toward ground to function correctly on DC rails or single-ended signals.
P6KE12AHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
P6KE12AHE3/54 FAQ
1.How can I place an order for P6KE12AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE12AHE3/54 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 P6KE12AHE3/54 reliable?
The price and inventory of P6KE12AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE12AHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE12AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE12AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE12AHE3/54?
P6KE12AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE12AHE3/54 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 P6KE12AHE3/54?
For technical support, including P6KE12AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE12AHE3/54 requirements.
6.How does Aetrix verify that P6KE12AHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE12AHE3/54 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 P6KE12AHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE12AHE3/54?
All P6KE12AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE12AHE3/54, 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 P6KE12AHE3/54 part is unused and in its original packaging.
Return procedure for P6KE12AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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