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Taiwan Semiconductor Corporation P6KE12CH
- Part No.:
- P6KE12CH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE12CH.pdf
- Description:
- 600W, 12V, BIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:8,865
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Product details
Overview
P6KE12CH 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, 9.72V stand-off voltage, 17.3V maximum clamping voltage at 36A peak surge current, and DO-204AC (DO-15) axial package - deployed in automotive body control modules to safeguard CAN transceivers against load dump and EFT events.
For engineers reviewing the P6KE12CH datasheet, P6KE12CH pinout, P6KE12CH application, or P6KE12CH equivalent, key selection criteria include clamping ratio (VC/VBR ≈ 1.52), low leakage (<1μA @ 9.72V), AEC-Q101 qualification, 1.0ps response time, and compatibility with 10/1000μs surge waveforms per IEC 61000-4-5.
Technical Context
The P6KE12CH operates as a silicon avalanche diode with unidirectional polarity, triggered when reverse voltage exceeds its 10.8–13.2V breakdown range (tested at 1mA). Its junction exhibits low dynamic impedance to maintain tight clamping during 600W transient events, and thermal design accommodates continuous operation up to TJ = 175°C with derating above TA = 25°C.
It complies with ANSI/IEEE C62.35 surge definitions and supports bidirectional variants only via CA-suffix parts; the "H" suffix confirms AEC-Q101 qualification (excluding low-voltage variants <10V), enabling use in automotive under-hood environments where reliability under thermal cycling and mechanical vibration is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 12 V - defines rated suppression threshold for 12V system rail protection |
| Breakdown Voltage VBR | 10.8–13.2 V @ 1 mA - ensures reliable avalanche initiation before downstream IC damage |
| Stand-Off Voltage VWM | 9.72 V - maximum continuous reverse voltage without significant leakage |
| Clamping Voltage VC | 17.3 V @ 36 A (10/1000μs) - limits transient voltage seen by protected circuitry |
| Peak Pulse Power | 600 W - sustains single high-energy surges per ISO 7637-2 Pulse 1/2/5a |
| Junction Temperature | −55°C to +175°C - supports operation in engine bay and industrial ambient extremes |
| Response Time | <1.0 ps - enables sub-nanosecond reaction to fast-rising ESD/EFT transients |
Pinout & Package
Package: DO-204AC (DO-15), axial leaded, epoxy-molded case with cathode band marking. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference terminal | Connected to system ground or low-side return path; conducts surge current to earth |
| Cathode | Protected line input | Connected to supply rail or signal line; blocks normal operation voltage but avalanches during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood use including temperature cycling, mechanical shock, and humidity testing |
| 600W 10/1000μs surge rating | Withstands ISO 7637-2 Load Dump (Pulse 5a) and IEC 61000-4-5 Combination Wave surges |
| Clamping ratio ≤1.52 | VC/VBR = 17.3/11.4 (typ.) ensures minimal overvoltage margin for 12V logic and transceivers |
| Leakage current <1 μA @ VWM | Prevents measurable power loss or false triggering in always-on 12V circuits |
| UL 94V-0 flammability rating | Epoxy compound self-extinguishes to mitigate fire risk in enclosed automotive enclosures |
Applications
| Automotive Body Control Module | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protecting 12V CAN FD transceiver power pins against battery load dump and alternator ripple. IC Role / Device Role / Timing Role: Primary overvoltage clamp on VCC rail upstream of LDO regulator. Use Value: Limits transient voltage to ≤17.3V, preventing latch-up or permanent damage to transceiver silicon while maintaining <1μA standby leakage. |
Use Scenario: Safeguarding 24V digital input optocoupler front-end from inductive kickback in solenoid-controlled machinery. IC Role / Device Role / Timing Role: Fast-acting shunt protector placed directly across input terminals. Use Value: Clamps 600W surges within 1ps, reducing voltage overshoot below 24V logic threshold and eliminating need for series current-limiting resistors. |
| LED Streetlight Driver | Medical Infusion Pump Power Supply |
Use Scenario: Suppressing lightning-induced surges on AC/DC converter DC bus feeding constant-current LED drivers. IC Role / Device Role / Timing Role: Secondary surge clamp after MOV, providing precise low-clamp protection for MOSFET gate drivers. Use Value: Delivers 17.3V clamping at 36A with 0.078%/°C VBR tempco, ensuring stable protection across −40°C to +85°C outdoor operating range. |
Use Scenario: Shielding isolated 5V/3.3V microcontroller supply from ESD coupling through touch interface traces. IC Role / Device Role / Timing Role: Point-of-load TVS on low-voltage rail adjacent to USB or tactile keypad connectors. Use Value: Sub-1ps response and <1μA leakage preserve signal integrity and battery life in Class II medical devices requiring IEC 60601-1-2 compliance. |
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; 600W rating; 12.2V VBR min; 19.9V VC @ 30.1A | Surface-mount footprint; higher clamping voltage (+2.6V); lower IPP (30.1A vs. 36A) | Select for SMT assembly and space-constrained PCBs where 2.6V higher clamping is acceptable |
| 1.5KE12CA | DO-201AD package; bidirectional; 12V symmetric VBR; 20.1V VC @ 30A | Supports AC-coupled or floating signal lines; not AEC-Q101 qualified | Choose for non-automotive bidirectional protection where polarity independence is required |
Compared with P6KE12CH, SMBJ12A offers SMT compatibility at the cost of higher clamping and reduced surge current headroom, while 1.5KE12CA provides bidirectional capability but lacks automotive qualification and has inferior thermal robustness in axial form factor.
Availability
P6KE12CH is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and LED lighting applications requiring stable component supply with AEC-Q101 assurance and long-term lifecycle support.
Supply support for P6KE12CH 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, specializing in power management, protection, and signal conditioning devices.
The P6KE series belongs to TSC's automotive-grade TVS portfolio, engineered specifically for robust transient immunity in harsh environments - emphasizing low clamping, fast response, and qualification to AEC-Q101 for under-hood and chassis-mounted electronics.
FAQ
What is the meaning of the 'H' suffix in P6KE12CH?
The 'H' suffix in P6KE12CH indicates full AEC-Q101 qualification per Rev D, covering stress tests including temperature cycling, mechanical shock, and high-temperature operating life. This distinguishes it from standard P6KE12C, which lacks automotive certification and is intended for commercial applications only. P6KE12CH is validated for use in automotive body electronics and powertrain subsystems.
Does P6KE12CH support bidirectional transient suppression?
No, P6KE12CH is a unidirectional TVS diode with cathode-band polarity marking and is designed exclusively for DC rail protection. Bidirectional operation requires CA-suffix variants such as P6KE12CA. Using P6KE12CH on AC or floating signals risks forward conduction during negative half-cycles and invalidates its specified clamping performance.
What is the maximum peak surge current P6KE12CH can handle?
P6KE12CH supports a maximum peak surge current (IPP) of 36 A under the standardized 10/1000μs double-exponential waveform, corresponding to its 600W peak pulse power rating. This value is measured at TA = 25°C and must be derated linearly above that ambient temperature per Figure 2 in the official datasheet.
How does P6KE12CH compare to P6KE12A in terms of electrical performance?
P6KE12CH and P6KE12A share identical electrical specs: both have VBR = 11.4V (typ.), VWM = 9.72V, and VC = 17.3V @ 36A. The key distinction is qualification - P6KE12CH carries AEC-Q101 certification, whereas P6KE12A is commercial-grade. Their DO-204AC packaging, pinout, and thermal characteristics are fully identical.
Is P6KE12CH compliant with RoHS and halogen-free standards?
Yes, P6KE12CH is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound meets UL 94V-0 flammability rating, and the pure tin-plated leads satisfy J-STD-002 solderability requirements. These attributes are confirmed in the official Taiwan Semiconductor P2203 datasheet revision for the P6KE series.
P6KE12CH 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:
- -
- Bidirectional Channels:
- 1
- 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)
P6KE12CH FAQ
1.How can I place an order for P6KE12CH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE12CH 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 P6KE12CH reliable?
The price and inventory of P6KE12CH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE12CH is usually 5 days.
3.What payment methods are accepted for P6KE12CH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE12CH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE12CH?
P6KE12CH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE12CH 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 P6KE12CH?
For technical support, including P6KE12CH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE12CH requirements.
6.How does Aetrix verify that P6KE12CH is sourced from the original manufacturer or authorized distributors?
All P6KE12CH 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 P6KE12CH meets industry standards.
7.What is the process for return or replacement of P6KE12CH?
All P6KE12CH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE12CH, 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 P6KE12CH part is unused and in its original packaging.
Return procedure for P6KE12CH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE12CH Tags
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