Taiwan Semiconductor Corporation P4KE13A
- Part No.:
- P4KE13A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE13A.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO204AL
- Quantity:
- Payment:

- Shipping:

Inventory:7,701
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Product details
Overview
P4KE13A from Taiwan Semiconductor is a unidirectional 400W transient voltage suppressor (TVS) diode designed for primary overvoltage protection at DC power rails and signal lines. It features a 13V nominal breakdown voltage, 11.1V working stand-off voltage, 18.2V maximum clamping voltage at 23A peak pulse current, and operates across –55°C to +175°C junction temperature range - deployed in automotive lighting control modules, industrial PLC I/O protection, and AC/DC adapter input stages.
For engineers reviewing the P4KE13A datasheet, P4KE13A pinout, P4KE13A application, or P4KE13A equivalent, this page delivers verified electrical parameters, DO-41 package mechanical data, clamping performance under 10/1000μs surge, reverse leakage behavior at VWM, and AEC-Q101-qualified alternatives for automotive-grade ESD and load-dump immunity design.
Technical Context
The P4KE13A uses a silicon avalanche diode structure optimized for fast transient suppression with sub-nanosecond response (<1.0ps from 0V to VBR). Its unidirectional polarity enables asymmetric clamping-low forward voltage drop (3.5V @25A) on positive transients while blocking reverse conduction until breakdown.
Rated for 400W non-repetitive peak pulse power per 10/1000μs waveform, it maintains stable clamping up to TJ = 175°C and exhibits a +0.081%/°C temperature coefficient of VBR - enabling predictable voltage margining in high-temperature environments like engine bay electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 13V - defines rated standoff level before avalanche conduction begins |
| Breakdown Voltage VBR | 12.4–13.7V @1mA - ensures reliable turn-on within ±5% tolerance at low test current |
| Working Stand-off Voltage VWM | 11.1V - maximum continuous reverse voltage without significant leakage (<1μA) |
| Clamping Voltage VC | 18.2V @23A - limits transient voltage seen by downstream ICs during 10/1000μs surge |
| Peak Pulse Power PPK | 400W - sustains single high-energy surges typical of ISO 7637-2 Load Dump or IEC 61000-4-5 Level 4 |
| Junction Temperature Range | –55°C to +175°C - supports operation in under-hood, industrial, and outdoor power supply applications |
| Package | DO-204AL (DO-41) - axial-leaded through-hole package with tin-plated leads, UL 94V-0 molding compound |
Pinout & Package
DO-204AL (DO-41) package: axial leaded, glass-passivated silicon junction, cathode band marked on body. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to circuit ground or lowest potential node; conducts during positive transients when cathode is at higher potential |
| Cathode | Protected line connection | Connected to line being protected (e.g., 12V rail); clamps voltage to ≤18.2V when transient exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified option available | Validated for automotive use including temperature cycling, HTRB, and ESD robustness per stress test plan |
| Low clamping ratio (VC/VBR ≈ 1.42) | Minimizes overvoltage stress on protected ICs compared to competing 13V TVS devices with ratios >1.5 |
| Ultra-fast response time | <1.0ps rise-to-breakdown enables suppression of nanosecond-scale ESD events before system damage occurs |
| Low leakage current | <1μA @11.1V ensures minimal standby power loss in battery-powered or energy-sensitive circuits |
| UL Recognized (E326243) | Meets safety requirements for end-equipment certification in industrial and consumer power supplies |
Applications
| Automotive Lighting Control | Industrial PLC Digital Input |
|---|---|
|
Use Scenario: Protecting microcontroller GPIOs and driver FETs from load dump and inductive kickback in headlamp modules. IC Role / Device Role: Primary overvoltage clamp on 12V switched rail feeding LED drivers and CAN transceivers. Use Value: Limits transient voltage to ≤18.2V during 100V/50ms load dump pulses, preventing latch-up or gate oxide rupture in downstream ICs. |
Use Scenario: Shielding 24V digital input channels from field wiring transients in factory automation controllers. IC Role / Device Role: Front-end surge limiter before optocoupler or Schmitt trigger input stage. Use Value: Clamps induced surges from relay coil switching or nearby motor drives to safe levels below optocoupler CTR degradation threshold. |
| AC/DC Adapter Input Stage | Smart Meter Power Supply |
|
Use Scenario: Safeguarding bridge rectifier and bulk capacitor inputs against line surges per IEC 61000-4-5. IC Role / Device Role: Secondary-level clamping device after MOV, providing precise voltage limiting where MOV tolerance is too wide. Use Value: Delivers repeatable 18.2V clamping independent of aging or thermal drift - unlike MOVs which degrade after repeated surges. |
Use Scenario: Securing metering SoC power rails against lightning-induced surges on utility-connected PCBs. IC Role / Device Role: Final-stage transient protector on 3.3V or 5V LDO input, placed immediately before regulator. Use Value: Blocks sub-microsecond EFT bursts (IEC 61000-4-4) with <1μA leakage, avoiding LDO dropout or brownout during transient events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ13A | Same DO-214AC (SMA) package; 13V nominal, 18.2V VC @23.1A; slightly higher IR (5μA @11.1V) | Surface-mount only; requires rework of layout; better thermal dissipation in high-density designs | Select when board space is constrained and SMT assembly is preferred over through-hole. |
| Vishay 1.5KE13A | Higher PPK (1500W), same VBR (12.4–13.7V), larger DO-201AD package; VC = 20.0V @75A | Used where multi-pulse or higher-energy surges dominate (e.g., telecom power feeds); less suitable for space-limited PCBs | Choose for legacy systems requiring proven 1.5kW surge rating, but verify footprint compatibility and thermal mass. |
Compared with P4KE13A, SMAJ13A offers SMT integration at the cost of higher leakage and different mounting, while 1.5KE13A trades smaller size for significantly higher surge capacity and larger footprint - making P4KE13A optimal for cost-sensitive, through-hole automotive and industrial applications needing precise 400W clamping.
Availability
P4KE13A is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC I/O protection, and AC/DC adapter input stages requiring stable component supply, long-term lifecycle support, and AEC-Q101-compliant variants.
Supply support for P4KE13A 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 P4KE series belongs to TSC's transient voltage suppression portfolio, engineered specifically for robust, cost-effective overvoltage protection in harsh environments - emphasizing AEC-Q101 qualification, tight VBR tolerance, and stable clamping across temperature.
FAQ
What is the maximum clamping voltage of P4KE13A under standard 10/1000μs surge conditions?
The P4KE13A has a maximum clamping voltage (VC) of 18.2V at 23A peak pulse current under the 10/1000μs waveform. This value is guaranteed across the full operating temperature range and reflects worst-case conduction during standardized surge testing per ANSI/IEEE C62.35.
Is P4KE13A unidirectional or bidirectional, and how is polarity identified?
P4KE13A is a unidirectional TVS diode. Polarity is indicated by a cathode band marked on the DO-41 package body - the banded end connects to the protected line (cathode), while the unbanded end connects to ground (anode).
Does P4KE13A meet automotive reliability standards?
Yes - an AEC-Q101-qualified version of P4KE13A is available (ordering code P4KE13AH). It undergoes stress testing including HTGB, H3TRB, TC, and ESD per AEC-Q101 Rev D, making it suitable for automotive powertrain and body electronics.
What is the reverse leakage current of P4KE13A at its working stand-off voltage?
At VWM = 11.1V and TA = 25°C, the reverse leakage current (ID) of P4KE13A is guaranteed to be less than 1μA. This low leakage preserves efficiency in battery-backed or always-on circuits without compromising protection integrity.
Can P4KE13A be used in parallel for higher surge current handling?
No - P4KE13A is not characterized or recommended for parallel operation. Mismatched VBR tolerances between units can cause current imbalance and premature failure. For higher IPPM, select a single higher-rated device such as P4KE15A or 1.5KE13A instead.
P4KE13A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- P4KE
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 23A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
P4KE13A FAQ
1.How can I place an order for P4KE13A through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE13A 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 P4KE13A reliable?
The price and inventory of P4KE13A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE13A is usually 5 days.
3.What payment methods are accepted for P4KE13A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE13A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE13A?
P4KE13A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE13A 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 P4KE13A?
For technical support, including P4KE13A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE13A requirements.
6.How does Aetrix verify that P4KE13A is sourced from the original manufacturer or authorized distributors?
All P4KE13A 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 P4KE13A meets industry standards.
7.What is the process for return or replacement of P4KE13A?
All P4KE13A units undergo pre-shipment inspection (PSI). If there is an issue with P4KE13A, 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 P4KE13A part is unused and in its original packaging.
Return procedure for P4KE13A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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