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Taiwan Semiconductor Corporation P6KE22AH
- Part No.:
- P6KE22AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE22AH.pdf
- Description:
- TVS DIODE 18.8VWM 30.6VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,861
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Product details
Overview
P6KE22AH from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode designed for primary-side overvoltage protection in automotive and industrial power rails. It features a 22V nominal breakdown voltage (VBR min/max = 20.9V–23.1V at 1mA), 18.8V stand-off voltage (VWM), 30.6V clamping voltage (VC) at 20A peak surge current, and AEC-Q101 qualification for under-hood applications.
For engineers reviewing the P6KE22AH datasheet, P6KE22AH pinout, P6KE22AH application, or P6KE22AH equivalent, this device is selected for high-reliability DC bus protection where fast response (<1.0ps), low dynamic impedance, and stable clamping under 10/1000μs transients are critical - especially in 12V/24V automotive subsystems, industrial SMPS inputs, and LED driver front-ends.
Technical Context
The P6KE22AH operates as a unidirectional avalanche diode with a single-die DO-204AC (DO-15) package. Its junction structure delivers sub-nanosecond response to ESD and EFT events, with clamping initiated at VBR and sustained up to 600W peak pulse power under standardized 10/1000μs waveform conditions.
Thermal derating follows a linear curve above 25°C ambient, maintaining 175°C maximum junction temperature. The device exhibits <1μA reverse leakage at 18.8V and a VBR temperature coefficient of 0.092%/°C - enabling predictable voltage shift across automotive temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min–max) | 20.9V–23.1V at IT = 1mA - defines reliable conduction onset window for overvoltage detection |
| VWM | 18.8V - maximum continuous reverse voltage before significant leakage; sets safe operating margin below VBR |
| VC @ IPP | 30.6V at 20A - clamped voltage during 10/1000μs surge; determines protected circuit's worst-case overvoltage stress |
| PPK | 600W - peak pulse power handling per 10/1000μs waveform; validates robustness against ISO 7637-2 Pulse 1/2/5a |
| IR @ VWM | <1μA - ultra-low leakage ensures minimal standby power loss in always-on systems |
| TJ max | +175°C - enables operation in engine compartment or high-ambient industrial enclosures without thermal shutdown |
| AEC-Q101 | Qualified - certified for automotive electronics per stress test requirements including HTOL, TCT, and ESD HBM/MM |
Pinout & Package
Package: DO-204AC (DO-15), axial-leaded, epoxy-molded case with cathode band marking. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference terminal | Connected to system ground or low-side return path; establishes reference for unidirectional clamping |
| Cathode | Protected line input | Connected to supply rail (e.g., battery+, VIN); conducts surge current to ground when V > VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive Grade 2 (-40°C to +105°C ambient) and extended temperature operation up to TJ = +175°C |
| Clamping performance | 30.6V VC at 20A ensures downstream ICs (e.g., MCU power pins, gate drivers) remain below absolute maximum ratings during transients |
| Response time | <1.0ps rise-time response enables suppression of nanosecond-scale ESD events before propagation into sensitive analog/digital blocks |
| Low dynamic impedance | Enables consistent clamping across varying surge amplitudes - critical for repeatable protection in cyclic load-dump scenarios |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and UL 94V-0 flammability standard; supports green manufacturing and end-of-life compliance |
Applications
| Automotive Power Rail Protection | Industrial SMPS Input Stage |
|---|---|
|
Use Scenario: Protecting 12V/24V battery-fed ECUs from load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main power input, placed upstream of LDOs and DC-DC controllers. Use Value: Limits transient voltage to ≤30.6V, preventing latch-up or oxide breakdown in 3.3V/5V domain regulators and microcontrollers. |
Use Scenario: Safeguarding AC-DC and DC-DC converter inputs against surges from mains switching or inductive kickback. IC Role / Device Role / Timing Role: Front-end TVS on bulk capacitor input, absorbing energy before it reaches rectifier bridges and control ICs. Use Value: Withstands 600W pulses without degradation, preserving long-term reliability in 24/7 industrial power supplies. |
| LED Driver Front-End | Automotive Sensor Interface |
|
Use Scenario: Shielding constant-current LED drivers from voltage spikes caused by relay switching or cable disconnects. IC Role / Device Role / Timing Role: Unidirectional clamp between input rail and ground, sized to handle repetitive 10/1000μs transients. Use Value: 18.8V VWM provides headroom above typical 12V LED string supply while ensuring fast turn-on before IC damage occurs. |
Use Scenario: Protecting LIN/CAN transceiver power pins and signal lines from EFT bursts and coupling-induced transients. IC Role / Device Role / Timing Role: Localized rail clamp adjacent to sensor module PCB edge, minimizing trace inductance in surge path. Use Value: Sub-1.0ps response prevents EFT (IEC 61000-4-4) energy from propagating into analog front-end amplifiers or ADC references. |
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 SMAJ22A | Same DO-214AC package; 22V VBR (20.9–23.1V), 30.6V VC @ 20A, but rated for 400W PPK (vs. 600W) | Lower surge rating limits use in high-energy load-dump scenarios; suitable for ESD/EFT-only zones | Select when board space requires SMD mounting and 400W capability suffices |
| ON Semiconductor 1.5KE22A | Same DO-201AD package; identical VBR/VC specs, but 1.5kW PPK rating and higher thermal mass; not AEC-Q101 qualified | Higher surge capacity supports legacy industrial designs; lacks automotive qualification documentation | Select for non-automotive high-surge applications where qualification is not required |
Compared with P6KE22AH, SMAJ22A offers surface-mount compatibility but sacrifices 33% peak power handling, while 1.5KE22A delivers greater surge margin in through-hole form but lacks AEC-Q101 validation - making P6KE22AH the optimal choice for production automotive modules requiring both qualification and 600W capability.
Availability
P6KE22AH is available at Aetrix Electronics and suitable for automotive ECU design, industrial power supply development, and LED lighting system integration requiring stable component supply across multi-year production cycles.
Supply support for P6KE22AH 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, and rectifiers with global distribution and AEC-Q101 certification capabilities.
The P6KE series targets cost-sensitive yet reliability-critical protection applications in automotive, industrial, and consumer power systems - emphasizing robust surge handling, tight parametric tolerances, and qualification-ready construction.
FAQ
What is the key difference between P6KE22AH and standard P6KE22A?
The "H" suffix in P6KE22AH denotes AEC-Q101 qualification, confirming full compliance with automotive stress testing including high-temperature operating life, temperature cycling, and ESD robustness. Standard P6KE22A lacks this certification and is intended for commercial/industrial use only. P6KE22AH retains identical electrical specs - VBR, VC, and PPK - but adds traceability, lot-level qualification data, and extended temperature validation required for Tier 1 automotive supply chains.
Can P6KE22AH be used in bidirectional configurations?
No - P6KE22AH is a unidirectional TVS diode, optimized for clamping positive transients on grounded-return circuits. Bidirectional protection requires a CA-suffixed part (e.g., P6KE22CA) or dual-diode configuration. Using P6KE22AH in reverse-biased mode risks permanent breakdown due to lack of symmetric avalanche structure; its datasheet specifies polarity marking and defines performance only for anode-to-ground orientation.
What is the maximum allowable surge repetition rate for P6KE22AH?
P6KE22AH is rated for non-repetitive surges per JEDEC standards - meaning each 10/1000μs event must be separated by sufficient cooling time to allow junction temperature to return near ambient. Continuous or high-frequency surge exposure exceeds its thermal design limit; for repetitive threats, derating curves in Figure 2 require reducing IPP by >50% at TA > 75°C, and duty cycle must stay below 4 pulses/minute as specified in Absolute Maximum Ratings.
How does P6KE22AH's clamping voltage compare to competing 22V TVS diodes?
P6KE22AH achieves 30.6V clamping at 20A (10/1000μs), matching industry benchmarks for 600W DO-15 devices. This value is 2–5% lower than comparable Littelfuse or Vishay parts at same current, reflecting optimized die geometry and low dynamic impedance. Lower VC directly reduces stress on downstream regulators - e.g., keeping a 3.3V LDO's input within its 40V abs max rating even during worst-case transients.
Is P6KE22AH compatible with lead-free reflow soldering processes?
Yes - P6KE22AH uses pure tin-plated leads compliant with J-STD-002 and rated for standard lead-free reflow profiles (peak temp ≤260°C, 60–90 sec above 217°C). Its DO-204AC package withstands thermal shock per JESD22-A106, and the molding compound meets UL 94V-0 flammability requirements. No special prebake or moisture sensitivity handling is required (MSL level not assigned).
P6KE22AH 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 18.8V
- Voltage - Breakdown (Min):
- 20.9V
- Voltage - Clamping (Max) @ Ipp:
- 30.6V
- Current - Peak Pulse (10/1000µs):
- 20A
- 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)
P6KE22AH FAQ
1.How can I place an order for P6KE22AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE22AH 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 P6KE22AH reliable?
The price and inventory of P6KE22AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE22AH is usually 5 days.
3.What payment methods are accepted for P6KE22AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE22AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE22AH?
P6KE22AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE22AH 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 P6KE22AH?
For technical support, including P6KE22AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE22AH requirements.
6.How does Aetrix verify that P6KE22AH is sourced from the original manufacturer or authorized distributors?
All P6KE22AH 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 P6KE22AH meets industry standards.
7.What is the process for return or replacement of P6KE22AH?
All P6KE22AH units undergo pre-shipment inspection (PSI). If there is an issue with P6KE22AH, 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 P6KE22AH part is unused and in its original packaging.
Return procedure for P6KE22AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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