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Taiwan Semiconductor Corporation P6KE12AH
- Part No.:
- P6KE12AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE12AH.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,617
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Product details
Overview
P6KE12AH 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: 11.4V–12.6V), 10.2V stand-off voltage (VWM), clamps to ≤16.7V at 37A peak surge current, and operates within -55°C to +175°C junction temperature range. It is AEC-Q101 qualified and housed in DO-204AC (DO-15) package.
For engineers reviewing the P6KE12AH datasheet, P6KE12AH pinout, P6KE12AH application, or P6KE12AH equivalent, key selection criteria include its 10.2V working voltage compatibility with 12V automotive and industrial control systems, sub-1ns response time for ESD/EFM immunity, low dynamic impedance for precise clamping, and AEC-Q101 qualification for under-hood deployment.
Technical Context
The P6KE12AH employs a planar passivated silicon junction optimized for fast avalanche response and stable clamping under repetitive transients. Its unidirectional configuration provides forward conduction capability while suppressing reverse-polarity surges up to 600W (10/1000μs waveform).
It delivers 37A peak pulse current (IPP) at 10.2V standoff, with clamping voltage VC of 16.7V - ensuring protected ICs experience no more than 16.7V during worst-case surge events. Temperature coefficient of VBR is 0.078%/°C, enabling predictable voltage drift across operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10.2 V - Maximum continuous reverse voltage before significant leakage; compatible with 12V nominal systems. |
| VBR (min/max) | 11.4 V / 12.6 V - Breakdown occurs within this band at 1mA test current; ensures reliable turn-on margin above VWM. |
| VC @ IPP | 16.7 V at 37 A - Clamped voltage during 10/1000μs surge; defines maximum stress on downstream circuitry. |
| PPK | 600 W - Peak pulse power handling per standard 10/1000μs waveform; validates robustness against IEC 61000-4-5 surges. |
| IR @ VWM | <1 μA - Reverse leakage at rated standoff voltage; minimizes quiescent power loss in battery-powered systems. |
| TJ max | +175 °C - Maximum junction temperature; supports operation in high-ambient environments like automotive engine compartments. |
| Package | DO-204AC (DO-15) - Industry-standard axial leaded package with tin-plated leads; compatible with wave and reflow soldering per J-STD-002. |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, molded epoxy case with cathode band marking. Cathode terminal is marked by a colored band; anode is unmarked end. Leads are pure tin-plated, RoHS-compliant, and whisker-tested per JESD201 Class 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path / surge return path | Connects to ground or low-impedance return node; carries full surge current during clamping. |
| Cathode | Protected line connection / high-side clamp node | Connects to line being protected (e.g., 12V rail); reverse-biased during normal operation, avalanches during overvoltage. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS sensors requiring reliability under thermal cycling and vibration. |
| 600W surge rating (10/1000μs) | Withstands IEC 61000-4-5 Level 4 surge events without degradation - suitable for industrial PLC I/O and automotive power inputs. |
| Clamping voltage ≤16.7V at 37A | Ensures protected 12V logic or microcontroller I/O remains below absolute maximum ratings during surge conditions. |
| Response time <1.0 ps (0→VBR) | Activates faster than most ESD transients (IEC 61000-4-2), limiting voltage overshoot before system-level protection engages. |
| UL 94V-0 molding compound | Self-extinguishing encapsulation meets flammability requirements for enclosed automotive and industrial enclosures. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12V battery-fed ECUs exposed to load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role: Primary overvoltage clamp placed directly at power entry point before LDO or DC-DC converter. Use Value: Limits input voltage to ≤16.7V during 600W transients, preventing damage to downstream regulators and MCU power domains. |
Use Scenario: 4–20mA current loop or analog sensor outputs connected to PLC analog input modules. IC Role / Device Role: Bidirectional-capable TVS (P6KE12AH used unidirectionally) shunted across signal and return lines. Use Value: Suppresses EFT bursts (IEC 61000-4-4) and induced surges without adding capacitance that degrades 10kHz+ signal bandwidth. |
| LED Driver Input Protection | Motor Control Board DC Bus Clamp |
Use Scenario: Constant-current LED drivers powered from 12V vehicle or 24V industrial supply experiencing switching noise and back-EMF. IC Role / Device Role: Unidirectional TVS placed between input rail and ground to absorb positive-going transients. Use Value: Prevents latch-up or gate oxide damage in driver ICs by clamping spikes to 16.7V while maintaining <1μA leakage at 10.2V. |
Use Scenario: H-bridge motor controllers where inductive kickback generates >100V spikes on 12V/24V DC bus. IC Role / Device Role: TVS mounted across bus rails to clamp flyback energy before it reaches MOSFETs or gate drivers. Use Value: Absorbs 600W surge energy without failure, enabling use of lower-voltage-rated FETs and reducing snubber component count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12A | Same 12V VBR range (11.4–12.6V), but 600W rating in SMB package (surface-mount); lower parasitic inductance. | Better suited for high-frequency PCB layouts or space-constrained designs; not axial-leaded. | Select SMBJ12A when board real estate is limited or automated SMT assembly is required. |
| 1.5KE12A | Same DO-15 package and electrical specs, but rated for 1500W peak power (10/1000μs); larger die size and higher clamping voltage (18.2V). | Higher energy handling suits infrequent but severe surges (e.g., lightning-induced); less precise clamping for sensitive 12V logic. | Choose 1.5KE12A only if system-level testing confirms 18.2V clamping is acceptable for protected ICs. |
Compared with SMBJ12A and 1.5KE12A, P6KE12AH offers optimal balance of AEC-Q101 qualification, axial-leaded manufacturability, and tight 16.7V clamping - making it preferred for cost-sensitive, high-volume automotive and industrial power entry protection where leaded assembly and precise voltage limiting are critical.
Availability
P6KE12AH is available at Aetrix Electronics and suitable for automotive control units, industrial sensor interfaces, LED driver inputs, and motor controller DC bus protection requiring stable component supply and long-term lifecycle support.
Supply support for P6KE12AH 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 semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and thyristors with global distribution and AEC-Q101 certification capabilities.
The P6KE series was engineered specifically for robust, cost-effective transient suppression in automotive and industrial environments - emphasizing high surge reliability, tight parameter tolerances, and qualification-grade process control.
FAQ
What is the AEC-Q101 qualification status of P6KE12AH?
P6KE12AH is explicitly AEC-Q101 qualified per the manufacturer's ordering code suffix "H", confirmed in the P6KE Series datasheet Version P2203. This qualification covers temperature cycling, humidity bias, mechanical shock, and high-temperature operating life testing - validating its suitability for automotive under-hood and chassis applications where P6KE12AH is deployed as primary surge protection.
How does P6KE12AH differ from the non-AEC version P6KE12A?
P6KE12AH differs from P6KE12A solely in AEC-Q101 qualification and associated process controls - both share identical electrical parameters (VBR: 11.4–12.6V, VC: 16.7V, VWM: 10.2V), DO-204AC package, and 600W rating. The "H" suffix denotes additional screening and traceability required for automotive use, with no change to schematic symbol or layout footprint for P6KE12AH.
What is the maximum clamping voltage of P6KE12AH and at what current is it specified?
The maximum clamping voltage of P6KE12AH is 16.7V, measured at 37A peak pulse current (IPP) under the standard 10/1000μs double-exponential surge waveform. This value is guaranteed across temperature and lifetime, and defines the upper voltage limit imposed on protected circuits during worst-case transient events involving P6KE12AH.
Can P6KE12AH be used in bidirectional configurations?
No - P6KE12AH is a unidirectional TVS diode, indicated by the absence of "C" or "CA" suffix and explicit specification of forward surge current (IFSM = 100A). For bidirectional protection, P6KE12CA or equivalent must be selected; using P6KE12AH in reverse-biased AC applications risks catastrophic failure due to lack of reverse avalanche capability.
What is the junction-to-ambient thermal resistance (RθJA) for P6KE12AH in DO-204AC package?
The datasheet does not specify RθJA for P6KE12AH; instead, it provides derating curves (Fig.2) and steady-state power dissipation (PD = 5W at TA = 75°C with 9.5mm lead length). Thermal performance depends on PCB copper area and airflow - typical RθJA for DO-204AC devices ranges 50–70°C/W, but actual values for P6KE12AH must be validated via board-level thermal testing per JEDEC JESD51 standards.
P6KE12AH 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):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 37A
- 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)
P6KE12AH FAQ
1.How can I place an order for P6KE12AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE12AH 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 P6KE12AH reliable?
The price and inventory of P6KE12AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE12AH is usually 5 days.
3.What payment methods are accepted for P6KE12AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE12AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE12AH?
P6KE12AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE12AH 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 P6KE12AH?
For technical support, including P6KE12AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE12AH requirements.
6.How does Aetrix verify that P6KE12AH is sourced from the original manufacturer or authorized distributors?
All P6KE12AH 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 P6KE12AH meets industry standards.
7.What is the process for return or replacement of P6KE12AH?
All P6KE12AH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE12AH, 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 P6KE12AH part is unused and in its original packaging.
Return procedure for P6KE12AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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