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Taiwan Semiconductor Corporation P4KE100A
- Part No.:
- P4KE100A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE100A.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:9,050
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Product details
Overview
P4KE100A from Taiwan Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 100V nominal breakdown voltage (95–105V VBR @ 1mA), 85.5V working stand-off voltage (VWM), clamps to ≤137V at 3.0A peak pulse current, and delivers 400W surge capability under 10/1000μs waveform - used in automotive body control modules, industrial PLC I/O protection, and telecom power supply input stages.
For engineers reviewing the P4KE100A datasheet, P4KE100A pinout, P4KE100A application, or P4KE100A equivalent, key selection criteria include its DO-41 package compatibility, low 1μA reverse leakage at VWM, fast <1.0ps response time from 0V to VBR, AEC-Q101 qualification option (P4KE100AH), and precise clamping performance critical for protecting 100V-rated MOSFET gates and microcontroller I/O.
Technical Context
The P4KE100A operates as a unidirectional avalanche diode with silicon planar junction construction, optimized for clamping high-energy transients while maintaining low dynamic impedance. Its VBR tolerance (±5%) and temperature coefficient of 0.106%/°C ensure stable breakdown behavior across -55°C to +175°C junction temperatures.
It complies with ANSI/IEEE C62.35 for peak pulse testing and supports single-pulse 400W dissipation at TA = 25°C, derating linearly above that ambient. The device exhibits ≤1μA reverse leakage at 85.5V and forward voltage of 3.5V at 25A - confirming suitability for both high-voltage rail clamping and low-leakage standby circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Voltage | 100V - defines rated clamping threshold for 100V DC systems |
| Breakdown Voltage VBR | 95–105V @ 1mA - tight ±5% tolerance ensures predictable turn-on during overvoltage events |
| Working Stand-off Voltage VWM | 85.5V - maximum continuous DC voltage before significant leakage begins |
| Peak Pulse Power PPK | 400W @ 10/1000μs - sustains industrial-grade lightning/surge immunity per IEC 61000-4-5 |
| Clamping Voltage VC | ≤137V @ 3.0A IPPM - limits downstream voltage stress to safe levels for 100V-rated components |
| Reverse Leakage ID | <1μA @ 85.5V - negligible standby power loss in battery-backed or low-power systems |
| Junction Temperature Range | -55°C to +175°C - enables deployment in under-hood automotive and industrial motor drive environments |
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 | Low-side reference terminal | Connected to circuit ground or lowest potential node in unidirectional configuration |
| Cathode | High-side transient clamp node | Connected to protected line; cathode band marking identifies polarity for correct PCB orientation |
Key Features
| Feature | Design Value |
|---|---|
| 400W Peak Pulse Power | Withstands 10/1000μs surges up to 3.0A without degradation - meets IEC 61000-4-5 Level 4 requirements |
| Fast Response Time | <1.0ps from 0V to VBR - activates before most semiconductor junctions can be damaged by ESD or switching spikes |
| AEC-Q101 Qualified Variant | P4KE100AH available - validated for automotive applications including engine control units and ADAS power domains |
| Low Dynamic Impedance | Ensures minimal voltage overshoot during clamping - critical for protecting sensitive gate drivers and analog front-ends |
| Halogen-Free & RoHS Compliant | Meets IEC 61249-2-21 and EU RoHS Directive - suitable for green manufacturing and export compliance |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protects 12V/24V supply inputs against load dump and alternator ripple in BCMs. IC Role / Device Role / Timing Role: Primary clamping element placed upstream of LDO regulators and CAN transceivers. Use Value: Limits transient voltage to ≤137V, preventing latch-up or permanent damage to 36V-rated power management ICs. |
Use Scenario: Shields 24V digital input channels from inductive kickback when interfacing with solenoids or relays. IC Role / Device Role / Timing Role: Fast-acting shunt device parallel to optocoupler input or Schmitt trigger buffer. Use Value: Clamps 400W energy pulses within nanoseconds, preserving signal integrity and extending optocoupler lifetime. |
| Telecom Power Supply Input Stage | Motor Drive Gate Driver Protection |
Use Scenario: Guards AC/DC adapter secondary-side outputs against lightning-induced surges on PoE or DSL lines. IC Role / Device Role / Timing Role: First-line defense before DC-DC converters and isolated feedback circuits. Use Value: Maintains 85.5V VWM margin over 48V nominal rail, enabling reliable operation without false triggering. |
Use Scenario: Safeguards high-side N-channel MOSFET gates from Miller-induced voltage spikes during bridge switching. IC Role / Device Role / Timing Role: Unidirectional clamp between gate and source, referenced to local power rail. Use Value: Responds in <1ps to suppress >100V gate-source transients, preventing unintended turn-on or oxide breakdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ100A | DO-214AA package; 100V VBR (95–105V); 1.0A IPPM; 156V VC; lower 600W PPK | Surface-mount only; higher clamping voltage reduces margin for 100V-rated devices | Choose SMBJ100A only if board space constraints require SMD and clamping margin allows ≥156V |
| 1N6287 | DO-41 package; 100V VBR (90–110V); 1.0A IPPM; 150V VC; 400W PPK; wider VBR tolerance | Legacy part with looser ±10% VBR spec and higher 150V clamping | Use 1N6287 only for cost-sensitive non-automotive designs where tighter clamping is not required |
Compared with SMBJ100A and 1N6287, the P4KE100A provides superior clamping precision (±5% VBR, 137V VC) in through-hole DO-41 format - making it optimal for high-reliability industrial and automotive replacements where layout change is acceptable and voltage margin is critical.
Availability
P4KE100A is available at Aetrix Electronics and suitable for automotive electronics, industrial PLCs, and telecom power supplies requiring stable component supply with long-term lifecycle support and AEC-Q101 traceability.
Supply support for P4KE100A 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 high surge resilience, tight parametric control, and automotive-grade reliability.
FAQ
What is the clamping voltage of P4KE100A at its rated peak pulse current?
The P4KE100A clamps to a maximum of 137V at 3.0A peak pulse current (IPPM) under the standard 10/1000μs waveform. This value is guaranteed across the full operating temperature range and ensures downstream components rated for 100V systems remain within safe voltage limits during surge events. The P4KE100A achieves this with low dynamic impedance and fast avalanche response.
Is P4KE100A suitable for automotive applications?
Yes - the P4KE100A has an AEC-Q101 qualified variant designated P4KE100AH, which undergoes rigorous stress testing for temperature cycling, humidity, mechanical shock, and ESD. While the base P4KE100A is not certified, its construction, material set, and thermal performance (-55°C to +175°C TJ) align with automotive under-hood requirements when used in non-safety-critical subsystems.
How does P4KE100A differ from P4KE100?
The P4KE100A offers tighter breakdown voltage tolerance (±5%, 95–105V) versus P4KE100 (±10%, 90–110V), lower clamping voltage (137V vs. 144V), and slightly higher VWM (85.5V vs. 81.0V). These improvements enhance noise immunity and reduce false triggering in precision 100V rail protection. Both share identical DO-41 packaging and 400W surge rating.
What is the maximum reverse leakage current for P4KE100A at its working voltage?
The P4KE100A exhibits a maximum reverse leakage current of 1μA at its working stand-off voltage of 85.5V, measured at 25°C. This ultra-low leakage preserves system efficiency in always-on or battery-powered applications and avoids unintended biasing of downstream analog circuits. Leakage remains below 5μA up to 125°C junction temperature.
Can P4KE100A be used in bidirectional configurations?
No - the P4KE100A is strictly unidirectional. Bidirectional operation requires the CA-suffixed variant (e.g., P4KE100CA), which contains two opposing diodes in series. Using P4KE100A in reverse-biased mode risks permanent breakdown due to its asymmetric junction design. For AC line or data line protection, select the explicitly rated bidirectional version.
P4KE100A 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):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 3A
- 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)
P4KE100A FAQ
1.How can I place an order for P4KE100A through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE100A 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 P4KE100A reliable?
The price and inventory of P4KE100A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE100A is usually 5 days.
3.What payment methods are accepted for P4KE100A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE100A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE100A?
P4KE100A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE100A 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 P4KE100A?
For technical support, including P4KE100A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE100A requirements.
6.How does Aetrix verify that P4KE100A is sourced from the original manufacturer or authorized distributors?
All P4KE100A 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 P4KE100A meets industry standards.
7.What is the process for return or replacement of P4KE100A?
All P4KE100A units undergo pre-shipment inspection (PSI). If there is an issue with P4KE100A, 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 P4KE100A part is unused and in its original packaging.
Return procedure for P4KE100A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KE100A Tags
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