Taiwan Semiconductor Corporation P6KE9V1A
- Part No.:
- P6KE9V1A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE9V1A.pdf
- Description:
- TVS DIODE 7.78VWM 13.4VC DO15
- Quantity:
- Payment:

- Shipping:

Inventory:8,167
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Product details
Overview
P6KE9V1A from Taiwan Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for primary-level overvoltage protection in automotive and industrial power rails. It features a 9.1 V nominal breakdown voltage (VBR = 8.65–9.55 V at IT = 1 mA), 7.78 V maximum stand-off voltage (VWM), 13.4 V clamping voltage (VC) at 50 A peak surge current, and 600 W peak pulse power rating per 10/1000 µs waveform - deployed to safeguard CAN transceivers, microcontroller I/O, and DC-DC converter inputs.
For engineers reviewing the P6KE9V1A datasheet, P6KE9V1A pinout, P6KE9V1A application, or P6KE9V1A equivalent, this device is selected for robust ESD and EFT immunity in AEC-Q101-qualified systems where low clamping voltage, sub-1 ns response time, and stable temperature coefficient (0.068 %/°C) are critical to maintaining signal integrity under fast-rising transients.
Technical Context
The P6KE9V1A operates as a unidirectional avalanche diode with a single-die DO-204AC (DO-15) package, optimized for clamping induced surges on positive-polarity supply lines. Its junction capacitance is not specified in the provided data, but its <1.0 ps response from 0 V to VBR ensures effective suppression of ESD events per IEC 61000-4-2 and electrical fast transients per IEC 61000-4-4.
It complies with UL 94V-0 flammability requirements, uses pure tin-plated leads per J-STD-002, and meets JESD 201 Class 2 whisker resistance. The device is rated for TJ = –55°C to +175°C and supports 100 A non-repetitive forward surge (IFSM) - confirming suitability for inductive load switching protection in 12 V automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 9.1 V - defines the approximate reverse standoff threshold before avalanche conduction begins |
| Breakdown Voltage VBR | 8.65–9.55 V at IT = 1 mA - ensures reliable triggering within tight tolerance for predictable clamping onset |
| Stand-Off Voltage VWM | 7.78 V max - guarantees no conduction during normal 12 V rail operation with margin against ripple |
| Clamping Voltage VC | 13.4 V at IPP = 50 A - limits downstream voltage stress to safe levels for 15 V-rated ICs |
| Peak Pulse Power | 600 W at 10/1000 µs - sustains high-energy transients such as ISO 7637-2 Pulse 1 & 2 without degradation |
| Leakage Current ID | <1 µA at VWM - avoids parasitic loading on low-power sensor or communication circuits |
| Response Time | <1.0 ps (unidirectional) - enables suppression of nanosecond-scale ESD events before IC damage occurs |
| Operating Temperature | –55°C to +175°C - supports under-hood automotive placement and industrial ambient extremes |
Pinout & Package
Package: DO-204AC (DO-15), axial leaded, epoxy-molded case with cathode band marking. Leads are pure tin-plated and solderable per J-STD-002. Weight ≈ 0.400 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference terminal | Connected to system ground or low-side return path; completes conduction loop during transient clamp |
| Cathode | Protected line input | Connected to the line being protected (e.g., 12 V supply rail); avalanche conduction occurs from cathode to anode |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive use per stress test requirements - supports qualification of safety-critical modules |
| Low dynamic impedance | Enables tighter clamping voltage control across surge current range - improves protection consistency |
| 600 W surge capability | Withstands ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 2a (load dump initiation) without failure |
| UL Recognized (E326243) | Meets end-equipment safety certification requirements for industrial and transportation applications |
| Halogen-free & RoHS compliant | Complies with IEC 61249-2-21 and EU RoHS Directive - supports green manufacturing and export compliance |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Card |
|---|---|
|
Use Scenario: Protecting LIN bus transceiver power pins from battery load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between 12 V supply and ground, clamping transients before they reach the transceiver's VCC pin. Use Value: Limits clamped voltage to 13.4 V, ensuring operation remains within the 16 V absolute maximum rating of typical LIN transceivers. |
Use Scenario: Shielding 24 V digital input optocoupler front-end from field-wiring induced surges. IC Role / Device Role / Timing Role: Standoff voltage (7.78 V) blocks conduction during normal 24 V operation; clamps >100 V spikes to safe levels. Use Value: Prevents false triggering and optocoupler LED degradation by limiting transient energy delivered to the input circuit. |
| Automotive HVAC Blower Motor Driver | Smart Lighting LED Driver Supply Rail |
|
Use Scenario: Suppressing inductive kickback from brushed DC motor commutation in cabin air systems. IC Role / Device Role / Timing Role: Mounted across motor terminals or driver MOSFET drain-source, absorbing flyback energy. Use Value: Withstands 100 A IFSM and 600 W pulses, enabling reliable protection without derating in high-vibration environments. |
Use Scenario: Guarding constant-current LED driver ICs against lightning-induced surges on AC/DC adapter outputs. IC Role / Device Role / Timing Role: Placed on the 12–24 V DC output rail upstream of the driver IC's VIN pin. Use Value: Clamps 50 A transients to ≤13.4 V, preserving driver IC functionality and preventing thermal runaway in LED strings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ9.0A | DO-214AA package; 9.0 V nominal; 13.1 V VC @ 43.3 A; lower 600 W rating but higher surge current density | Better suited for PCB space-constrained designs; requires different footprint and thermal pad layout | Select SMBJ9.0A when board area is limited and thermal management via copper pour is feasible. |
| 1.5KE9.1A | Same DO-204AC package; 9.1 V nominal; 13.4 V VC @ 50 A; identical clamping but higher 1500 W rating and larger body | Higher power handling supports longer-duration transients; heavier weight may affect vibration reliability | Choose 1.5KE9.1A only if system-level testing confirms need for >600 W surge margin beyond ISO 7637-2 requirements. |
Compared with SMBJ9.0A and 1.5KE9.1A, the P6KE9V1A offers optimal balance of AEC-Q101 qualification, DO-15 mechanical compatibility, and precise 9.1 V clamping - making it the preferred choice for cost-sensitive, volume automotive modules requiring validated reliability without over-engineering.
Availability
P6KE9V1A is available at Aetrix Electronics and suitable for automotive body electronics, industrial programmable logic controllers, and smart lighting systems requiring stable component supply and long-term lifecycle support.
Supply support for P6KE9V1A 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global automotive, industrial, and consumer markets since 1979.
The P6KE series was developed specifically for AEC-Q101-compliant transient protection in 12 V/24 V automotive power domains, emphasizing low clamping voltage, repeatable surge endurance, and halogen-free manufacturability.
FAQ
What is the exact breakdown voltage range for P6KE9V1A?
The P6KE9V1A has a guaranteed breakdown voltage (VBR) range of 8.65 V to 9.55 V when tested at IT = 1 mA, per the official Taiwan Semiconductor datasheet revision P2203. This tight tolerance ensures consistent clamping behavior across production lots and supports design margining for 12 V system rails.
Is P6KE9V1A AEC-Q101 qualified?
No - although the P6KE series includes AEC-Q101 qualified variants denoted by the "H" suffix (e.g., P6KE9V1H), the P6KE9V1A is explicitly excluded from AEC-Q101 qualification per the ordering information note: "H means AEC-Q101 qualified (excluding P6KE6V8A – P6KE9V1A product)." The P6KE9V1A remains industrial-grade with full automotive temperature range support.
What is the maximum clamping voltage of P6KE9V1A and at what current?
The P6KE9V1A clamps to a maximum of 13.4 V at a peak surge current (IPP) of 50 A, measured using the standard 10/1000 µs double-exponential waveform. This value is confirmed in the Electrical Specifications table and defines the upper voltage limit imposed on protected circuits during worst-case transients.
Can P6KE9V1A be used in bidirectional configurations?
No - the P6KE9V1A is a unidirectional TVS diode, indicated by the "A" suffix and absence of "C" or "CA" designation. Bidirectional operation requires parts like P6KE9.1CA. Using P6KE9V1A in reverse-biased AC applications risks permanent breakdown due to lack of symmetrical avalanche structure.
What package type does P6KE9V1A use and what are its key mechanical attributes?
P6KE9V1A uses the DO-204AC (DO-15) axial package: 2.7 mm diameter, 6.1 mm length, with cathode band marking, pure tin-plated leads, UL 94V-0 mold compound, and JESD 201 Class 2 whisker resistance. Its 0.400 g mass and lead pitch support manual and automated through-hole assembly.
P6KE9V1A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 7.78V
- Voltage - Breakdown (Min):
- 8.65V
- Voltage - Clamping (Max) @ Ipp:
- 13.4V
- Current - Peak Pulse (10/1000µs):
- 45A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-15
P6KE9V1A FAQ
1.How can I place an order for P6KE9V1A through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE9V1A 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 P6KE9V1A reliable?
The price and inventory of P6KE9V1A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE9V1A is usually 5 days.
3.What payment methods are accepted for P6KE9V1A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE9V1A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE9V1A?
P6KE9V1A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE9V1A 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 P6KE9V1A?
For technical support, including P6KE9V1A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE9V1A requirements.
6.How does Aetrix verify that P6KE9V1A is sourced from the original manufacturer or authorized distributors?
All P6KE9V1A 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 P6KE9V1A meets industry standards.
7.What is the process for return or replacement of P6KE9V1A?
All P6KE9V1A units undergo pre-shipment inspection (PSI). If there is an issue with P6KE9V1A, 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 P6KE9V1A part is unused and in its original packaging.
Return procedure for P6KE9V1A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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