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Vishay General Semiconductor - Diodes Division P4KE22AHE3/54
- Part No.:
- P4KE22AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE22AHE3/54.pdf
- Description:
- TVS DIODE 18.8VWM 30.6VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:3,671
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Product details
Overview
P4KE22AHE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for clamping voltage transients on power and signal lines. It features 20.9 V minimum breakdown voltage (VBR), 18.8 V standoff voltage (VWM), 30.6 V maximum clamping voltage (VC) at 13.1 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs and sensor interfaces in automotive ECUs.
For engineers reviewing the P4KE22AHE3/54 datasheet, P4KE22AHE3/54 pinout, P4KE22AHE3/54 application, or P4KE22AHE3/54 equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance data, DO-41 mechanical dimensions, and direct alternatives with documented clamping and leakage differences.
Technical Context
This unidirectional TVS diode operates as a voltage-clamping protection device that enters avalanche conduction when reverse voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low incremental surge resistance, enabling precise transient suppression without latch-up.
Designed for single-pulse transient events per IEC 61000-4-5, it supports 10/1000 μs waveform compliance with 0.01% duty cycle repetition. The device exhibits 1.0 μA max reverse leakage at 18.8 V and 0.092 %/°C temperature coefficient of VBR, ensuring predictable performance across -55 °C to +175 °C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 20.9 V / 23.1 V at 1.0 mA test current - defines reliable avalanche initiation window for overvoltage detection |
| VWM | 18.8 V - maximum continuous reverse working voltage before leakage exceeds 1.0 μA |
| VC @ IPPM | 30.6 V at 13.1 A - clamping voltage during 10/1000 μs surge, limiting downstream IC stress |
| PPPM | 400 W - peak pulse power handling capability under standardized surge waveform |
| RθJL | 66 °C/W - junction-to-lead thermal resistance, critical for PCB trace heat sinking design |
| TJ max | +175 °C - maximum junction temperature, supporting under-hood automotive deployment |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling and HTRB |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with axial leads; cathode indicated by color band on body. Matte tin-plated leads meet J-STD-002 solderability and JESD 201 Class 2 whisker resistance requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional clamp configuration |
| Cathode | Avalanche conduction terminal | Connected to protected line (e.g., 24 V rail or sensor input); color band marks this end |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables ±5% VBR tolerance and stable long-term leakage performance under thermal cycling |
| 400 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-earth) without degradation |
| AEC-Q101 qualification | Validated for automotive powertrain and body control modules requiring extended lifetime at 175 °C |
| Low clamping ratio (VC/VBR ≈ 1.47) | Minimizes overvoltage overshoot during fast transients, protecting 3.3 V/5 V logic interfaces |
| RoHS-compliant HE3 suffix | Meets JESD 201 Class 2 whisker resistance and UL 94 V-0 flammability for safety-critical assemblies |
Applications
| Automotive Power Supply Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V/24 V battery line in engine control unit exposed to load dump (ISO 16750-2) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and DC-DC converter input to clamp surges above 24 V. Use Value: Limits peak voltage to ≤30.6 V during 13.1 A transients, preventing damage to LDOs and microcontrollers rated for 36 V absolute max. |
Use Scenario: Analog output line of pressure sensor in factory automation PLC module subject to ESD and inductive switching noise. IC Role / Device Role / Timing Role: TVS mounted at connector entry point to shunt fast transients before reaching op-amp signal conditioning stage. Use Value: Sub-31 V clamping voltage preserves 24 V sensor supply integrity while maintaining <1.0 μA leakage at normal operating voltage. |
| Telecom Line Card Surge Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: DC power feed to remote PHY module in PoE-powered telecom equipment experiencing lightning-induced surges. IC Role / Device Role / Timing Role: Primary clamping device on 48 V bias rail upstream of PoE controller IC. Use Value: 400 W pulse rating handles repetitive 10/1000 μs surges up to 0.01% duty cycle without parameter drift. |
Use Scenario: H-bridge gate driver supply rail in smart washing machine motor inverter exposed to back-EMF spikes. IC Role / Device Role / Timing Role: Unidirectional TVS across VDD and GND of half-bridge driver IC to suppress inductive kickback. Use Value: 175 °C max junction temperature enables placement near heatsinked MOSFETs without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ22A | DO-214AA package; 22.2 V VBR min; 35.5 V VC at 11.3 A; 600 W PPPM | Higher clamping voltage (+4.9 V) but superior surge current handling in surface-mount layout | Select SMBJ22A when board space constraints favor SMD or when higher energy absorption per pulse is required. |
| 1.5KE22A | DO-201AD package; identical VBR/VWM/VC; 1.5 kW PPPM; 100 A IPPM | Same clamping behavior but 3.75× higher pulse power rating for heavy industrial surge environments | Choose 1.5KE22A where ISO 7637-2 Pulse 5a (100 V/10 Ω) testing mandates >1 kW surge capability. |
Compared with SMBJ22A and 1.5KE22A, P4KE22AHE3/54 offers optimal balance of axial-leaded manufacturability, AEC-Q101 qualification, and 400 W surge capacity - making it preferred for cost-sensitive automotive and industrial through-hole designs where 13.1 A peak current suffices.
Availability
P4KE22AHE3/54 is available at Aetrix Electronics and suitable for automotive ECU power rails, industrial sensor interfaces, telecom line cards, and appliance motor drive circuits requiring stable component supply with full traceability and lifecycle management.
Supply support for P4KE22AHE3/54 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, and protection devices with emphasis on reliability and automotive qualification.
The P4KE series targets cost-effective, high-volume transient suppression in harsh environments - engineered for AEC-Q101 compliance, wide temperature operation, and consistent clamping performance across production lots.
FAQ
What is the breakdown voltage tolerance for P4KE22AHE3/54?
The P4KE22AHE3/54 has a specified breakdown voltage range of 20.9 V to 23.1 V at 1.0 mA test current, corresponding to a ±5% tolerance around the nominal 22 V rating. This tight tolerance ensures predictable clamping onset across production units and supports robust design margins in automotive and industrial applications where overvoltage thresholds must be precisely controlled.
Is P4KE22AHE3/54 suitable for bidirectional transient protection?
No, P4KE22AHE3/54 is a unidirectional TVS diode, identifiable by the cathode color band. For bidirectional protection, Vishay offers the P4KE22CA variant. Using P4KE22AHE3/54 in AC-coupled or symmetrical signal paths would result in forward conduction during negative half-cycles, potentially damaging the device or failing to suppress negative transients.
What does the HE3 suffix indicate on P4KE22AHE3/54?
On P4KE22AHE3/54, the HE3 suffix denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance. It distinguishes this automotive-grade version from the commercial-grade E3 variant (P4KE22AE3/54), confirming suitability for under-hood and safety-critical systems where extended temperature operation and long-term reliability are mandatory.
How does thermal resistance affect P4KE22AHE3/54 performance in high-temperature environments?
The P4KE22AHE3/54 has a typical junction-to-lead thermal resistance (RθJL) of 66 °C/W. In high-temperature PCB layouts - such as near power MOSFETs - this value determines how much the junction temperature rises above lead temperature during surge events. Proper copper pour and lead length optimization are essential to maintain TJ ≤ 175 °C, especially during repetitive surges.
Can P4KE22AHE3/54 replace P4KE22A in existing designs?
Yes, P4KE22AHE3/54 is a direct replacement for P4KE22A with identical electrical specifications and DO-41 mechanical form factor. The HE3 suffix adds AEC-Q101 qualification and enhanced whisker resistance, making it suitable for upgraded automotive or industrial deployments without layout or schematic changes - provided the original design did not rely on non-qualified commercial-grade characteristics.
P4KE22AHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- TransZorb®
- 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):
- 13.1A
- Power - Peak Pulse:
- 400W
- 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-204AL (DO-41)
P4KE22AHE3/54 FAQ
1.How can I place an order for P4KE22AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE22AHE3/54 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 P4KE22AHE3/54 reliable?
The price and inventory of P4KE22AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE22AHE3/54 is usually 5 days.
3.What payment methods are accepted for P4KE22AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE22AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE22AHE3/54?
P4KE22AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE22AHE3/54 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 P4KE22AHE3/54?
For technical support, including P4KE22AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE22AHE3/54 requirements.
6.How does Aetrix verify that P4KE22AHE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE22AHE3/54 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 P4KE22AHE3/54 meets industry standards.
7.What is the process for return or replacement of P4KE22AHE3/54?
All P4KE22AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE22AHE3/54, 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 P4KE22AHE3/54 part is unused and in its original packaging.
Return procedure for P4KE22AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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