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Taiwan Semiconductor Corporation P6KE75CAH
- Part No.:
- P6KE75CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE75CAH.pdf
- Description:
- TVS DIODE 64.1VWM 103VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,858
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Product details
Overview
P6KE75CAH from Taiwan Semiconductor is a bidirectional 600W transient voltage suppressor (TVS) diode designed for robust overvoltage protection in automotive and industrial power rails. It features a nominal breakdown voltage of 75 V, clamps transients to ≤103 V at 6.1 A peak surge current, and operates with ≤1 μA reverse leakage at its 64.1 V standoff voltage - deployed in DC power input stages of automotive ECUs and industrial PLCs.
For engineers reviewing the P6KE75CAH datasheet, P6KE75CAH pinout, P6KE75CAH application, or P6KE75CAH equivalent, key selection criteria include its AEC-Q101 qualification, DO-15 package compatibility, bidirectional clamping symmetry, and 10/1000 µs surge rating - critical for EFT/ESD immunity design in harsh-environment electronics.
Technical Context
The P6KE75CAH implements a silicon avalanche junction structure optimized for fast response (<5 ns turn-on from 0 V to VBR) and low dynamic impedance, enabling precise clamping during high-dI/dt transients. Its bidirectional configuration ensures symmetrical protection without polarity dependency, supporting both positive and negative surge events on the same line.
Rated for 600 W non-repetitive peak pulse power per 10/1000 µs waveform and operating across –55 °C to +175 °C junction temperature range, the device meets UL 94V-0 flammability and JESD201 Class 2 whisker resistance requirements - confirming suitability for under-hood automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (10/1000 µs) | 600 W - sustains single high-energy surges common in load dump or inductive switching events |
| Standoff Voltage (VWM) | 64.1 V - maximum continuous DC or RMS voltage before significant leakage begins |
| Breakdown Voltage (VBR) | 71.3–78.8 V @ 1 mA - defined avalanche onset range ensuring reliable triggering margin above VWM |
| Clamping Voltage (VC) | 103 V @ 6.1 A - maximum voltage seen by protected circuit during rated surge, limiting stress on downstream ICs |
| Reverse Leakage (ID) | ≤1 μA @ 64.1 V - negligible standby power loss and minimal signal distortion in high-impedance circuits |
| Junction Temperature Range | –55 °C to +175 °C - supports operation in engine bay, motor drives, and industrial enclosures without derating |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, epoxy-molded case with cathode band marking for unidirectional variants; P6KE75CAH is bidirectional and marked with "P6KE75CAH" and date code - no polarity indicator required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically - bidirectional clamping allows connection across any two-point voltage rail without orientation concern |
| Leads (Tin-plated) | PCB interface and thermal path | Solderable per J-STD-002; 0.375″ lead length supports 5 W steady-state dissipation when mounted on 5×5 mm copper pads |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping symmetry | Identical VBR, VC, and IPP in both directions - eliminates need for polarity-aware layout in differential or AC-coupled lines |
| Fast transient response | <5 ns turn-on time from 0 V to VBR - captures sub-microsecond EFT bursts before sensitive logic or analog circuitry is damaged |
| Low dynamic impedance | Ensures stable clamping voltage under varying surge currents - critical for predictable protection margin in 12 V/24 V automotive systems |
| UL 94V-0 flammability rating | Molding compound self-extinguishes within 10 seconds after flame removal - meets safety requirements for enclosed control modules |
| Halogen-free construction | Complies with IEC 61249-2-21 - supports RoHS-compliant manufacturing and end-of-life recycling mandates |
Applications
| Automotive Power Input Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V battery rail in engine control units exposed to ISO 7637-2 load dump pulses up to 120 V. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed upstream of LDO regulators and microcontrollers. Use Value: Limits rail voltage to ≤103 V during 6.1 A surge, preventing latch-up or gate oxide damage in 3.3 V/5 V logic ICs. |
Use Scenario: 4–20 mA current loop inputs in programmable logic controllers subjected to EFT bursts per IEC 61000-4-4. IC Role / Device Role / Timing Role: Bidirectional shunt protector across analog input terminals. Use Value: Clamps ±4 kV EFT transients symmetrically while adding <1 pF capacitance - preserves signal integrity at 1 kHz bandwidth. |
| LED Driver Overvoltage Clamp | DC Motor Drive Flyback Suppression |
Use Scenario: Constant-current LED driver supply line in commercial lighting fixtures experiencing inductive switching noise. IC Role / Device Role / Timing Role: Parallel-connected TVS absorbing voltage spikes generated by MOSFET switching transitions. Use Value: Absorbs 600 W surges without degradation, maintaining LED string reliability over 50,000-hour lifetime. |
Use Scenario: H-bridge motor driver power rail where back-EMF from brushed DC motors induces >100 V spikes. IC Role / Device Role / Timing Role: Rail-to-rail clamp protecting gate drivers and current sense amplifiers. Use Value: Clamps flyback energy within 5 ns, reducing voltage overshoot to safe levels for 60 V-rated MOSFETs and op-amps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ75CA | 600 W rating, SMB package (surface-mount), lower thermal resistance (30 °C/W vs. DO-15's ~50 °C/W) | Preferred for space-constrained PCBs; requires reflow-compatible layout and lacks axial lead mechanical retention | Select SMBJ75CA when board area is limited and thermal management via copper pour is feasible. |
| 1.5KE75CA | Same DO-15 package but 1500 W rating, higher VC (121 V), slower response (~10 ns), not AEC-Q101 qualified | Suitable for non-automotive industrial use where higher surge margin outweighs speed and qualification needs | Choose 1.5KE75CA only for cost-sensitive, non-automotive applications requiring higher single-pulse energy handling. |
Compared with SMBJ75CA and 1.5KE75CA, P6KE75CAH uniquely combines AEC-Q101 qualification, DO-15 mechanical robustness, and 5 ns response - making it optimal for automotive power rail protection where reliability, mounting security, and fast transient capture are jointly required.
Availability
P6KE75CAH is available at Aetrix Electronics and suitable for automotive ECU designs, industrial PLC input protection, and LED driver overvoltage suppression requiring stable component supply across multi-year production cycles.
Supply support for P6KE75CAH 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 signal conditioning devices since 1979.
The P6KE series was developed specifically for high-reliability transient suppression in automotive and industrial environments - emphasizing AEC-Q101 compliance, wide temperature operation, and consistent clamping performance across production lots.
FAQ
What does the "CA" suffix indicate in P6KE75CAH?
The "CA" suffix in P6KE75CAH denotes bidirectional configuration - meaning the device provides symmetrical transient suppression for both positive and negative voltage excursions. Unlike unidirectional variants (e.g., P6KE75A), P6KE75CAH has identical electrical characteristics in either direction and requires no polarity-specific placement on the PCB. This makes P6KE75CAH ideal for AC-coupled lines, differential buses, or any application where voltage polarity reversal is possible.
Is P6KE75CAH suitable for ISO 7637-2 Load Dump protection?
P6KE75CAH is rated for 600 W at 10/1000 µs and clamps to 103 V at 6.1 A, meeting Level 3a (35 V, 100 ms) and Level 3b (60 V, 400 ms) of ISO 7637-2, but not the full 120 V/400 ms Level 5a load dump pulse. For complete compliance, P6KE75CAH should be used in conjunction with upstream passive filtering or as part of a staged protection network. Its AEC-Q101 qualification confirms suitability for automotive deployment, but system-level validation against the full load dump waveform remains essential for P6KE75CAH integration.
How does the "H" suffix affect P6KE75CAH's specifications?
The "H" suffix in P6KE75CAH indicates full AEC-Q101 qualification - covering stress tests including high-temperature reverse bias (HTRB), temperature cycling, and ESD (HBM ≥8 kV, CDM ≥1 kV). Electrical parameters remain identical to non-H variants (e.g., P6KE75CA), but the "H" version undergoes additional lot-level screening and traceability controls. This ensures P6KE75CAH meets automotive quality and reliability requirements without trade-offs in clamping voltage, leakage, or surge capability.
What is the maximum allowable ambient temperature for continuous operation of P6KE75CAH?
P6KE75CAH has a maximum junction temperature of +175 °C and a steady-state power dissipation of 5 W at TA = 75 °C with 0.375″ lead lengths on 5×5 mm copper pads. Using the thermal resistance of ~50 °C/W for DO-15 in this configuration, the maximum ambient temperature for continuous 5 W operation is approximately 125 °C. However, most applications operate well below this limit due to transient-only duty cycles; for sustained DC stress, derating curves in Figure 2 of the P6KE datasheet must be applied to determine safe TA for P6KE75CAH.
Can P6KE75CAH replace P6KE75A in an existing design?
No - P6KE75CAH and P6KE75A are not interchangeable without circuit review. P6KE75A is unidirectional (anode/cathode asymmetry), while P6KE75CAH is bidirectional (symmetrical terminals). Substituting P6KE75CAH for P6KE75A may cause unintended conduction in DC-biased circuits or alter clamping behavior in rectified paths. The replacement is only valid if the application inherently requires bidirectional protection and the PCB layout accommodates non-polarized placement. Always verify VBR, VC, and IPP values match system requirements before using P6KE75CAH as a drop-in alternative.
P6KE75CAH 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 64.1V
- Voltage - Breakdown (Min):
- 71.3V
- Voltage - Clamping (Max) @ Ipp:
- 103V
- Current - Peak Pulse (10/1000µs):
- 6.1A
- 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)
P6KE75CAH FAQ
1.How can I place an order for P6KE75CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE75CAH 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 P6KE75CAH reliable?
The price and inventory of P6KE75CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE75CAH is usually 5 days.
3.What payment methods are accepted for P6KE75CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE75CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE75CAH?
P6KE75CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE75CAH 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 P6KE75CAH?
For technical support, including P6KE75CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE75CAH requirements.
6.How does Aetrix verify that P6KE75CAH is sourced from the original manufacturer or authorized distributors?
All P6KE75CAH 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 P6KE75CAH meets industry standards.
7.What is the process for return or replacement of P6KE75CAH?
All P6KE75CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE75CAH, 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 P6KE75CAH part is unused and in its original packaging.
Return procedure for P6KE75CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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