Taiwan Semiconductor Corporation P4KE13
- Part No.:
- P4KE13
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE13.pdf
- Description:
- 400W, 13V, UNIDIRECTIONAL, TVS
- Quantity:
- Payment:

- Shipping:

Inventory:5,838
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Product details
Overview
P4KE13 from Taiwan Semiconductor is a unidirectional 400W transient voltage suppressor (TVS) diode designed for overvoltage protection in DC power rails and signal lines. It features a 13V nominal breakdown voltage, 10.5V working stand-off voltage, 19.0V maximum clamping voltage at 22A peak pulse current, and operates across –55°C to +175°C junction temperature range - deployed in automotive lighting control modules and industrial sensor interface circuits.
For engineers reviewing the P4KE13 datasheet, P4KE13 pinout, P4KE13 application, or P4KE13 equivalent, key selection criteria include clamping performance under 10/1000μs surge, low leakage (<1μA @ 10.5V), DO-41 package compatibility, and AEC-Q101 qualification status for automotive-grade reliability validation.
Technical Context
The P4KE13 employs a silicon avalanche diode structure optimized for fast transient suppression with sub-nanosecond response time (<1.0ps from 0V to VBR). Its unidirectional polarity enables asymmetric clamping-forward conduction only during reverse overvoltage events-making it suitable for DC-biased lines where polarity is fixed.
Rated for 400W peak pulse power per 10/1000μs waveform and 1W steady-state dissipation at 75°C lead temperature, the device uses a DO-204AL (DO-41) axial package with pure tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10.5 V - Maximum continuous reverse operating voltage before significant leakage begins; defines safe DC bias margin. |
| VBR min/max | 11.7 V / 14.3 V @ 1 mA - Verified breakdown threshold range ensures consistent turn-on behavior across production lots. |
| VC @ IPPM | 19.0 V @ 22 A - Clamping voltage limits downstream IC stress during 10/1000μs transients to safe levels. |
| IPPM | 22 A - Peak surge current capacity determines survivability against ISO 7637-2 Pulse 1/2a/5a-level transients. |
| TJ max | +175 °C - High junction temperature rating supports under-hood automotive placement without derating. |
| Leakage @ VWM | <1 μA - Ultra-low reverse leakage preserves battery life in always-on systems like CAN wake-up receivers. |
Pinout & Package
Package: DO-204AL (DO-41), axial-leaded, epoxy-molded case meeting UL 94V-0 flammability rating. Cathode indicated by band marking; leads are pure tin-plated and solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | DC return path / ground reference | Connected to system ground or low-side return; carries full surge current during clamping event. |
| Cathode | Protected line input | Connected to line being protected (e.g., 12V rail); avalanche conduction occurs when voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified option available | Validated for automotive use including temperature cycling, mechanical shock, and humidity testing per AEC standard. |
| 400W peak pulse power (10/1000μs) | Withstands high-energy transients such as load dump (ISO 7637-2 Pulse 5b) without degradation. |
| Clamping ratio VC/VBR ≈ 1.5 | Low ratio indicates efficient energy diversion - critical for protecting 15V-tolerant logic interfaces. |
| Typical IR < 1 μA above 10 V | Minimizes standby power loss in battery-powered applications like telematics modules. |
| UL Recognized File #E-326243 | Meets safety certification requirements for end-equipment compliance in North America. |
Applications
| Automotive Lighting Control | Industrial Sensor Interface |
|---|---|
Use Scenario: Protecting LED driver ICs from inductive kickback during PWM dimming of headlamps. IC Role / Device Role / Timing Role: Unidirectional TVS placed between supply rail and ground to clamp negative transients induced by relay or MOSFET switching. Use Value: Limits voltage excursion to ≤19.0 V, preventing latch-up or gate oxide damage in 20V-rated driver ICs. | Use Scenario: Safeguarding 4–20 mA current loop transmitters from ESD and EFT events in factory automation PLCs. IC Role / Device Role / Timing Role: Standoff protection on loop supply input; absorbs ±8 kV contact ESD per IEC 61000-4-2 without affecting loop accuracy. Use Value: Maintains <1 μA leakage at 24 V nominal, ensuring transmitter output error remains within 0.005% FS. |
| Power Supply Input Protection | Automotive Body Control Module |
Use Scenario: Front-end surge suppression for 12 V DC-DC converters in infotainment head units. IC Role / Device Role / Timing Role: Primary clamping device on main input rail; coordinates with upstream fuse and downstream LC filter. Use Value: Clamps ISO 7637-2 Pulse 1 (–150 V/50 Ω) to <19 V, allowing converter IC to remain functional post-event. | Use Scenario: Protecting LIN bus transceivers from battery disconnect transients in door module ECUs. IC Role / Device Role / Timing Role: Bidirectional-capable variant not used; P4KE13 serves as unidirectional clamp on regulated 5 V supply feeding transceiver VCC. Use Value: Enables operation down to –55°C ambient while maintaining <1 μA leakage, preserving sleep-mode current budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | Surface-mount SMB package; 13 V bidirectional; 600 W peak power; higher IPPM (33.5 A). | Requires PCB redesign; better suited for space-constrained layouts and higher-energy transients. | Select when board area is limited and surge immunity must exceed ISO 7637-2 Pulse 5a. |
| 1N6267 | Legacy DO-41 unidirectional TVS; same 13 V nominal; lower peak power (300 W); VC = 20.0 V @ 15 A. | Compatible footprint but reduced clamping performance and thermal margin. | Acceptable for cost-sensitive non-automotive designs where 400 W rating is not required. |
Compared with SMBJ13A and 1N6267, the P4KE13 delivers optimal balance of axial-package serviceability, AEC-Q101 readiness, and 400W/19.0V clamping for mid-tier automotive and industrial power rail protection - without requiring layout changes or sacrificing reliability margin.
Availability
P4KE13 is available at Aetrix Electronics and suitable for automotive lighting control, industrial sensor interface, and power supply input protection requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for P4KE13 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 qualification capability.
The P4KE series targets cost-effective, high-reliability transient suppression in automotive, industrial, and consumer power systems - emphasizing robust surge handling, low leakage, and standardized DO-41 compatibility for broad design reuse.
FAQ
What is the maximum clamping voltage of the P4KE13 under standard test conditions?
The P4KE13 has a maximum clamping voltage (VC) of 19.0 V at 22 A peak pulse current (IPPM) under the 10/1000 μs waveform per ANSI/IEEE C62.35. This value is measured after the device enters avalanche conduction and represents the highest voltage seen downstream during a defined surge event - critical for ensuring connected ICs remain within absolute maximum ratings. The P4KE13 maintains this clamping performance across its full operating temperature range.
Is the P4KE13 suitable for automotive applications?
Yes, the P4KE13 is suitable for automotive applications when ordered with the "H" suffix (e.g., P4KE13H), indicating AEC-Q101 qualification. This version undergoes rigorous stress testing including temperature cycling, mechanical shock, and high-temperature reverse bias life testing. The base P4KE13 meets all electrical and thermal specifications required for under-hood and cabin environments, with a TJ max of +175°C and UL recognition file #E-326243 supporting system-level safety compliance.
What does the "A" suffix mean in P4KE13A, and how does it differ from P4KE13?
The "A" suffix in P4KE13A denotes a tighter tolerance version: its breakdown voltage range is 12.4–13.7 V (vs. 11.7–14.3 V for P4KE13), and its working stand-off voltage is 11.1 V (vs. 10.5 V). Both share identical package (DO-41), power rating (400 W), and clamping voltage (19.0 V @ 22 A). The P4KE13A offers improved consistency for precision-critical designs where tighter VBR control reduces variation in trip point across production batches.
Can the P4KE13 be used in bidirectional configurations?
No, the P4KE13 is a unidirectional TVS diode and must be used with correct polarity - cathode toward the protected line, anode to ground. For bidirectional protection, select the CA-suffixed variant (e.g., P4KE13CA) or a dedicated bidirectional part like SMBJ13CA. Using P4KE13 in reverse orientation will result in forward conduction at ~0.7–1.0 V, offering no meaningful overvoltage protection and potentially causing short-circuit failure.
What is the reverse leakage current specification for the P4KE13 at its working stand-off voltage?
The P4KE13 exhibits reverse leakage current (ID) of less than 1 μA at its working stand-off voltage of 10.5 V and ambient temperature of 25°C. This ultra-low leakage is confirmed across the full –55°C to +175°C operating junction temperature range and supports energy-sensitive applications such as always-on automotive modules and battery-backed industrial sensors where quiescent current must remain below microampere thresholds.
P4KE13 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):
- 10.5V
- Voltage - Breakdown (Min):
- 11.7V
- Voltage - Clamping (Max) @ Ipp:
- 19V
- Current - Peak Pulse (10/1000µs):
- 22A
- 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)
P4KE13 FAQ
1.How can I place an order for P4KE13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE13 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 P4KE13 reliable?
The price and inventory of P4KE13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE13 is usually 5 days.
3.What payment methods are accepted for P4KE13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE13?
P4KE13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE13 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 P4KE13?
For technical support, including P4KE13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE13 requirements.
6.How does Aetrix verify that P4KE13 is sourced from the original manufacturer or authorized distributors?
All P4KE13 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 P4KE13 meets industry standards.
7.What is the process for return or replacement of P4KE13?
All P4KE13 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE13, 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 P4KE13 part is unused and in its original packaging.
Return procedure for P4KE13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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