Taiwan Semiconductor Corporation P4KE13C
- Part No.:
- P4KE13C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE13C.pdf
- Description:
- 400W, 13V, BIDIRECTIONAL, TVS
- Quantity:
- Payment:

- Shipping:

Inventory:7,293
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Product details
Overview
P4KE13C from Taiwan Semiconductor is a unidirectional 400W transient voltage suppressor (TVS) diode designed for primary-level overvoltage protection in DC power rails and signal lines. It features a 13V nominal standoff voltage, 11.7–14.3V breakdown range at 1mA test current, 10.5V working peak reverse voltage, and clamps transients to ≤19.0V at 22A peak pulse current - deployed in automotive body control modules, industrial PLC I/O protection, and LED driver input stages.
For engineers reviewing the P4KE13C datasheet, P4KE13C pinout, P4KE13C application, or P4KE13C equivalent, key selection criteria include its DO-41 package compatibility, 1.0ps response time from 0V to VBR, <1μA leakage above 10V, AEC-Q101 qualification option (P4KE13CH), and precise clamping performance under 10/1000μs surge waveforms.
Technical Context
The P4KE13C operates as a silicon avalanche diode with unidirectional polarity, triggered when reverse voltage exceeds its specified VBR range (11.7–14.3V). Its low dynamic impedance ensures rapid energy diversion during ESD or lightning-induced transients, while its 175°C maximum junction temperature supports operation in under-hood automotive environments.
It conforms to ANSI/IEEE C62.35 for transient suppression testing and delivers 400W non-repetitive peak pulse power at TA = 25°C, derating linearly above that ambient. The device exhibits a +0.081%/°C temperature coefficient of VBR, enabling predictable voltage shift across operating temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 13V - defines rated standoff level before avalanche conduction begins |
| Breakdown Voltage VBR | 11.7–14.3V @ 1mA - guaranteed conduction onset window for reliable triggering |
| Working Peak Reverse Voltage VWM | 10.5V - maximum continuous reverse voltage without significant leakage |
| Clamping Voltage VC | ≤19.0V @ 22A IPPM - limits downstream circuit stress during 10/1000μs surge |
| Peak Pulse Power PPK | 400W - sustains single high-energy transients per JEDEC standards |
| Junction Temperature Range | −55°C to +175°C - enables deployment in engine bay, industrial enclosures, and outdoor equipment |
| Response Time | <1.0ps (0V to VBR) - faster than most IC-level ESD structures, minimizing voltage overshoot |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, epoxy-molded case with UL 94V-0 flammability rating and pure tin-plated leads compliant with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration |
| Cathode (banded end) | Avalanche conduction terminal | Connected to protected line; conducts when reverse voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Surge robustness | 400W peak pulse power at 10/1000μs waveform - handles ISO 7637-2 Pulse 1/2a/5a transients |
| Leakage control | <1μA reverse leakage at 10.5V - avoids loading sensitive 12V logic or sensor bias networks |
| Thermal resilience | 175°C max junction temperature - supports placement near heat-generating components without derating |
| Automotive readiness | AEC-Q101 qualified variant available (P4KE13CH) - validated for automotive electronics reliability requirements |
| Fast transient capture | <1.0ps response from 0V to VBR - outperforms many polymer-based TVS devices in edge-rate sensitivity |
Applications
| Automotive Body Control Unit (BCU) | Industrial PLC Digital Input Module |
|---|---|
Use Scenario: Protecting microcontroller GPIOs and CAN transceiver power rails from load dump and inductive kickback in 12V vehicle systems. IC Role / Device Role / Timing Role: Primary clamping element placed between fused 12V supply and local LDO input, absorbing >400W surges before downstream regulators fail. Use Value: Prevents latch-up or permanent damage to 3.3V/5V logic ICs by limiting transient voltage to ≤19.0V at 22A, within safe SOA of upstream fuses and regulators. | Use Scenario: Safeguarding 24V digital input optocoupler circuits against field-wiring induced surges and EFT bursts in factory automation. IC Role / Device Role / Timing Role: Front-end transient shunt on dry-contact input terminals, conducting before internal protection diodes reach breakdown. Use Value: Enables compliance with IEC 61000-4-4 (EFT) Level 4 (4kV) by clamping fast 5ns rise-time transients below optocoupler isolation barrier rating. |
| LED Driver Input Stage | DC Power Supply Input Protection |
Use Scenario: Shielding constant-current LED driver ICs from voltage spikes caused by hot-plug events or capacitor charging inverter backfeed. IC Role / Device Role / Timing Role: Standoff-clamp TVS placed directly across bulk input capacitors, diverting surge energy away from switching MOSFETs and controller ICs. Use Value: Maintains stable 13V nominal clamping margin relative to 12V nominal input, ensuring no false triggering during normal ripple while suppressing >100V transients. | Use Scenario: Securing AC/DC adapter secondary-side DC output against reverse polarity connection and accidental overvoltage faults. IC Role / Device Role / Timing Role: Unidirectional crowbar device connected anode-to-ground, activated only during abnormal positive excursions beyond 13V. Use Value: Provides fail-safe shutdown path for downstream DC-DC converters by holding output at safe clamp level until fault clears, avoiding thermal runaway. |
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 (Bourns) | Surface-mount SMB package; 13V nominal, 200W rating; higher clamping voltage (21.5V @ 19.3A) | Requires PCB redesign for SMT layout; better suited for space-constrained consumer electronics | Select when board real estate is limited and 200W surge capacity suffices |
| 1.5KE13A (ON Semiconductor) | Same DO-41 package; 13V nominal, 1500W rating; higher clamping voltage (21.2V @ 71A); larger physical size | Used where higher single-event energy must be absorbed, e.g., telecom line cards | Select when system-level surge tests require >400W capability and footprint allows larger body |
Compared with SMBJ13A and 1.5KE13A, the P4KE13C offers optimal balance of axial-leaded mechanical robustness, 400W surge handling, and tight 19.0V clamping - making it preferred for cost-sensitive, through-hole industrial and automotive modules where DO-41 mounting is standard and precise voltage limiting is critical.
Availability
P4KE13C is available at Aetrix Electronics and suitable for automotive body electronics, industrial programmable logic controllers, and LED lighting drivers requiring stable component supply with consistent DO-41 form factor and AEC-Q101 traceability options.
Supply support for P4KE13C 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 interface solutions since 1979.
The P4KE series belongs to TSC's transient voltage suppressor product line, engineered specifically for cost-effective, high-reliability overvoltage protection in automotive, industrial, and consumer power systems where axial-leaded robustness and standardized DO-41 compatibility are essential.
FAQ
What is the polarity configuration of the P4KE13C?
The P4KE13C is a unidirectional TVS diode, with cathode indicated by a band on the DO-41 package. It conducts only when reverse-biased beyond its breakdown voltage (11.7–14.3V), making it suitable for protecting positive DC rails against overvoltage events. Unlike bidirectional variants (e.g., P4KE13CA), it does not conduct symmetrically in both directions - this ensures no unintended conduction during normal forward-biased operation of the protected circuit.
Does the P4KE13C meet automotive qualification standards?
The base P4KE13C is not AEC-Q101 qualified, but Taiwan Semiconductor offers the P4KE13CH variant - identical electrically and mechanically, with full AEC-Q101 stress testing including temperature cycling, humidity bias HAST, and ESD qualification. For automotive applications requiring certified reliability, P4KE13CH is the designated drop-in replacement; both share the same 13V nominal voltage, 10.5V VWM, and 19.0V clamping performance.
What is the maximum clamping voltage of the P4KE13C under surge conditions?
The P4KE13C has a maximum clamping voltage (VC) of 19.0V at 22A peak pulse current (IPPM), tested using the standard 10/1000μs double-exponential waveform. This value represents the upper limit of voltage seen by downstream components during worst-case surge events, and is guaranteed across all units per datasheet specifications - critical for ensuring protected ICs remain within their absolute maximum ratings.
How does the P4KE13C compare to the P4KE13A variant?
The P4KE13C and P4KE13A differ in breakdown voltage tolerance: P4KE13C has a wider VBR range (11.7–14.3V), while P4KE13A is tighter (12.4–13.7V). Both share identical VWM (10.5V), IPPM (22A), and VC (19.0V). The "C" suffix denotes the broader tolerance grade commonly used where cost optimization and process yield are prioritized; "A" is selected for designs requiring tighter voltage matching, such as precision reference rail protection.
Can the P4KE13C be used in bidirectional signal line protection?
No - the P4KE13C is strictly unidirectional and unsuitable for bidirectional signal lines like RS-485 or USB D+/D−. For such applications, use the bidirectional P4KE13CA variant, which provides symmetrical clamping in both polarities with matched VBR (11.7–14.3V) and VC (19.0V) in either direction. Substituting P4KE13C would leave negative-going transients unprotected and may cause forward conduction failure during normal signal swing.
P4KE13C 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:
- -
- Bidirectional Channels:
- 1
- 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)
P4KE13C FAQ
1.How can I place an order for P4KE13C through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE13C 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 P4KE13C reliable?
The price and inventory of P4KE13C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE13C is usually 5 days.
3.What payment methods are accepted for P4KE13C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE13C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE13C?
P4KE13C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE13C 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 P4KE13C?
For technical support, including P4KE13C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE13C requirements.
6.How does Aetrix verify that P4KE13C is sourced from the original manufacturer or authorized distributors?
All P4KE13C 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 P4KE13C meets industry standards.
7.What is the process for return or replacement of P4KE13C?
All P4KE13C units undergo pre-shipment inspection (PSI). If there is an issue with P4KE13C, 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 P4KE13C part is unused and in its original packaging.
Return procedure for P4KE13C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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