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Taiwan Semiconductor Corporation P6KE12H
- Part No.:
- P6KE12H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE12H.pdf
- Description:
- 600W, 12V, UNIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:5,153
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Product details
Overview
P6KE12H from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode designed for primary-level overvoltage protection in DC power rails and signal lines. It features a 12V nominal breakdown voltage (VBR min/max: 10.8V–13.2V), 9.72V stand-off voltage (VWM), clamps to ≤17.3V at 36A peak surge current, and delivers sub-nanosecond response (<1.0ps) for ESD and lightning-induced transients in automotive body electronics.
For engineers reviewing the P6KE12H datasheet, P6KE12H pinout, P6KE12H application, or P6KE12H equivalent, this device is evaluated for AEC-Q101-compliant surge immunity in 12V battery-fed modules, reverse-polarity protection circuits, and I/O port ESD hardening where low-leakage (<1μA @ 9.72V), high-surge robustness, and DO-15 package compatibility are critical selection criteria.
Technical Context
The P6KE12H operates as a silicon avalanche diode with unidirectional polarity-cathode-banded-and relies on controlled avalanche breakdown to clamp transient energy. Its junction structure achieves low dynamic impedance (enabling tight clamping) and fast turn-on (≤1.0ps rise time from 0V to VBR), minimizing voltage overshoot during fast-rising EFT or ESD events.
Thermal design is constrained by a 175°C maximum junction temperature and 5W steady-state power dissipation at 75°C ambient (on 5×5 mm copper pads). Derating follows a linear curve above 25°C, and its 10/1000μs surge rating of 600W is validated per ANSI/IEEE C62.35 standards with no repetition limit specified.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.72 V - Maximum continuous reverse voltage before leakage exceeds 1 μA; defines safe operating DC bias margin. |
| VBR (min/max) | 10.8 V / 13.2 V - Breakdown occurs within this range at 1 mA test current; ensures predictable clamping onset. |
| VC @ IPP | 17.3 V @ 36 A - Clamped voltage during 10/1000μs surge; determines protected circuit's maximum transient exposure. |
| PPK | 600 W - Peak pulse power handling at 10/1000μs waveform; supports IEC 61000-4-5 Level 4 surges. |
| IR @ VWM | <1 μA - Reverse leakage at rated stand-off voltage; minimizes quiescent power loss in always-on systems. |
| TJ max | 175 °C - Maximum junction temperature; enables operation in under-hood automotive environments. |
| Package | DO-204AC (DO-15) - Industry-standard axial leaded package with tin-plated leads, UL 94V-0 molding, and 0.400 g mass. |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, molded epoxy case with cathode band marking for unidirectional polarity. Leads are pure tin-plated, solderable per J-STD-002, and pass JESD 201 Class 2 whisker testing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Forward current entry / transient return path | Connected to ground or low-impedance return in clamping configuration; carries full surge current during conduction. |
| Cathode (banded end) | Protected line connection / clamping node | Connected to the line being protected (e.g., 12V rail); avalanche breakdown initiates here to shunt surge to anode. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity, and mechanical shock per AEC specification. |
| 600W 10/1000μs surge rating | Withstands IEC 61000-4-5 combined wave surges up to 4kV open-circuit / 2kA short-circuit without degradation. |
| Clamping voltage ≤17.3V @ 36A | Ensures downstream 12V-rated ICs (e.g., CAN transceivers, microcontrollers) remain below absolute maximum ratings during transients. |
| Response time <1.0ps | Turns on faster than most system-level transients, limiting voltage overshoot before protection engages. |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally restricted markets. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
|
Use Scenario: 12V supply rail in BCM exposed to load-dump and jump-start transients. IC Role / Device Role: Primary overvoltage clamp placed between fused 12V input and LDO regulator input. Use Value: Limits rail voltage to ≤17.3V during 600W surges, preventing LDO thermal shutdown and MCU brownout. |
Use Scenario: 24V digital input channel subject to inductive kickback from solenoid switching. IC Role / Device Role: Front-end TVS across input terminals, upstream of optocoupler or Schmitt trigger. Use Value: Absorbs 36A peak currents from 10/1000μs transients, preserving input logic integrity and isolation barrier life. |
| Automotive Infotainment USB Port | Smart Lighting Driver Power Stage |
|
Use Scenario: VBUS line in automotive USB 2.0 interface subjected to ESD per ISO 10605 ±15kV contact discharge. IC Role / Device Role: Unidirectional TVS on VBUS, with cathode tied to VBUS and anode to chassis ground. Use Value: Sub-1.0ps response clamps ESD pulses before they reach USB PHY, maintaining signal integrity and avoiding latch-up. |
Use Scenario: High-side MOSFET gate driver supply in LED headlamp module experiencing battery reversal and load dump. IC Role / Device Role: Stand-off protection on 12V gate driver rail, parallel to bulk capacitor. Use Value: Withstands repeated 600W surges while maintaining <1μA leakage, eliminating standby current penalty in always-on lighting systems. |
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 | Lower PPK (600W same), but SMC package (smaller footprint, higher thermal resistance); VBR tighter (11.4–12.6V). | Preferred for space-constrained PCBs; less suitable for high-ambient under-hood use due to lower thermal mass. | Select SMBJ12A only if board area is critical and thermal derating can be managed via layout. |
| 1.5KE12A | Same DO-15 package and 600W rating, but non-AEC-Q101; VBR range wider (10.2–12.6V); higher IR (5μA @ VWM). | Acceptable for industrial/commercial use; not certified for automotive qualification requirements. | Choose 1.5KE12A for cost-sensitive non-automotive designs where AEC-Q101 is not mandated. |
Compared with SMBJ12A and 1.5KE12A, P6KE12H uniquely combines AEC-Q101 qualification, DO-15 mechanical robustness, and guaranteed <1μA leakage-making it the only option qualified for production automotive 12V rail protection without layout or reliability trade-offs.
Availability
P6KE12H is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O protection, and smart lighting power stage hardening requiring stable component supply across multi-year production cycles.
Supply support for P6KE12H 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 belongs to TSC's AEC-Q101-qualified TVS portfolio, engineered specifically for robust front-end surge suppression in 12V–440V automotive and industrial power systems where reliability under harsh thermal and electrical stress is mandatory.
FAQ
What is the polarity configuration of P6KE12H?
P6KE12H is a unidirectional TVS diode with cathode indicated by a band on the DO-15 package. It conducts only when the cathode is biased positive relative to the anode, making it suitable for DC rail clamping where polarity is fixed. This differs from bidirectional variants (e.g., P6KE12CA) that protect AC or floating signals.
Does P6KE12H meet AEC-Q101 requirements?
Yes, P6KE12H is explicitly AEC-Q101 qualified per the manufacturer's ordering code suffix "H", confirmed in the P6KE Series datasheet Version P2203. It undergoes stress testing for temperature cycling, high-temperature operating life, and mechanical shock-validating its suitability for automotive under-hood applications.
What is the maximum clamping voltage for P6KE12H under surge conditions?
The maximum clamping voltage for P6KE12H is 17.3 V at 36 A peak pulse current (IPP), measured using the standard 10/1000 μs double-exponential waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuitry during transient events.
Can P6KE12H be used in bidirectional signal protection?
No, P6KE12H is unidirectional and must not be used for bidirectional signal lines such as RS-485 or CAN bus. For those applications, select a bidirectional variant like P6KE12CA, which provides symmetrical clamping in both directions and lacks polarity marking.
What is the reverse leakage current specification for P6KE12H at its stand-off voltage?
P6KE12H exhibits a maximum reverse leakage current of 1 μA at its 9.72 V stand-off voltage (VWM), tested at 25°C. This ultra-low leakage ensures minimal power drain in always-on automotive modules and preserves battery life in sleep-mode systems.
P6KE12H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- P6KE
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.72V
- Voltage - Breakdown (Min):
- 10.8V
- Voltage - Clamping (Max) @ Ipp:
- 17.3V
- Current - Peak Pulse (10/1000µs):
- 36A
- 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)
P6KE12H FAQ
1.How can I place an order for P6KE12H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE12H 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 P6KE12H reliable?
The price and inventory of P6KE12H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE12H is usually 5 days.
3.What payment methods are accepted for P6KE12H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE12H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE12H?
P6KE12H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE12H 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 P6KE12H?
For technical support, including P6KE12H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE12H requirements.
6.How does Aetrix verify that P6KE12H is sourced from the original manufacturer or authorized distributors?
All P6KE12H 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 P6KE12H meets industry standards.
7.What is the process for return or replacement of P6KE12H?
All P6KE12H units undergo pre-shipment inspection (PSI). If there is an issue with P6KE12H, 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 P6KE12H part is unused and in its original packaging.
Return procedure for P6KE12H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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