Vishay General Semiconductor - Diodes Division P6KE20AHE3/54
- Part No.:
- P6KE20AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE20AHE3/54.pdf
- Description:
- TVS DIODE 17.1VWM 27.7VC DO204AC
- Quantity:
- Payment:

- Shipping:

Inventory:3,206
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Product details
Overview
P6KE20AHE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for overvoltage protection of sensitive electronics. It features 600 W peak pulse power (10/1000 μs), 27.7 V maximum clamping voltage at 21.7 A peak pulse current, and 19.0–21.0 V breakdown voltage at 1 mA test current. Used to safeguard MOSFETs, ICs, and sensor signal lines against inductive switching transients in automotive and industrial systems.
For engineers reviewing the P6KE20AHE3/54 datasheet, P6KE20AHE3/54 pinout, P6KE20AHE3/54 application, or P6KE20AHE3/54 equivalent, key selection criteria include clamping voltage vs. surge current, unidirectional polarity marking, DO-15 thermal resistance (RθJL = 20 °C/W), AEC-Q101 qualification status, and 175 °C max junction temperature handling.
Technical Context
This device operates as a silicon avalanche diode with glass-passivated junction, triggering when reverse voltage exceeds its 19.0–21.0 V breakdown range. Its low incremental surge resistance and sub-nanosecond response time enable effective suppression of fast-rising transients induced by inductive load switching or ESD events.
Clamping behavior is defined at 21.7 A (10/1000 μs waveform), delivering ≤27.7 V across the terminals - critical for ensuring downstream components remain below absolute maximum ratings. The 5.0 W steady-state power dissipation and 100 A 8.3 ms surge rating support robust operation under repetitive stress conditions typical in automotive powertrain and body control modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min/max | 19.0 V / 21.0 V at 1 mA - defines reliable conduction onset without premature triggering |
| VWM | 17.1 V - maximum continuous reverse working voltage before leakage exceeds 1 μA |
| VC @ IPPM | 27.7 V at 21.7 A - ensures protected circuitry stays within safe operating limits during surge |
| PPPM | 600 W (10/1000 μs) - sustains high-energy transients without failure |
| TJ max | +175 °C - enables use in under-hood automotive environments and high-temperature industrial enclosures |
| RθJL | 20 °C/W - supports thermal management via PCB copper pour or lead-frame heat sinking |
| AEC-Q101 | Qualified - meets stress testing requirements for automotive electronic components |
Pinout & Package
DO-15 (DO-204AC) molded epoxy package with matte tin-plated leads; cathode indicated by color band on one end. Leads conform to J-STD-002 and JESD 22-B102 solderability standards. Solder dip rated at 275 °C max for 10 s.
| 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) | Reverse-biased clamping terminal | Connected to protected line (e.g., 12 V rail or sensor input); conducts when transient exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable breakdown characteristics and long-term reliability under thermal cycling |
| 600 W peak pulse power (10/1000 μs) | Handles high-energy surges common in automotive load-dump and inductive kick scenarios |
| AEC-Q101 qualified | Validated for automotive-grade deployment including temperature cycling, HAST, and mechanical shock tests |
| Low clamping ratio (VC/VBR ≈ 1.39) | Minimizes overvoltage stress on protected ICs while maintaining margin above VWM |
| Matte tin-plated leads | Enables RoHS-compliant reflow and wave soldering without whisker risk (JESD 201 Class 2) |
Applications
| Automotive Power Distribution | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply rails in body control modules from load-dump transients up to 35 V. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and local regulator input to clamp overshoot before LDO damage. Use Value: Clamps to ≤27.7 V at 21.7 A, keeping downstream regulators within safe input range and avoiding brownout or latch-up. | Use Scenario: Shielding analog outputs of pressure sensors in factory automation PLCs from EMI-induced spikes. IC Role / Device Role / Timing Role: TVS connected across sensor output and ground to shunt fast transients before reaching ADC front-end. Use Value: Sub-nanosecond response prevents signal corruption during 4–20 mA loop operation, preserving measurement integrity. |
| Consumer Power Adapter Input Stage | Telecom Line Card Surge Protection |
Use Scenario: Safeguarding primary-side controller ICs in AC/DC adapters against lightning-induced surges on mains input. IC Role / Device Role / Timing Role: Mounted across bridge rectifier output to suppress differential-mode transients before bulk capacitor. Use Value: 600 W rating absorbs energy from 10/1000 μs surges per IEC 61000-4-5 Level 3, extending adapter lifetime. | Use Scenario: Protecting Ethernet PHY interfaces on telecom base station line cards from induced surges on RJ45 ports. IC Role / Device Role / Timing Role: Paired unidirectional TVS devices on each data pair (TD+, TD−, RD+, RD−) referenced to chassis ground. Use Value: Low clamping voltage preserves signal eye diagram integrity while meeting GR-1089-CORE surge immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ20A | DO-214AA package; 600 W rating; VBR = 22.2–24.5 V; VC = 32.4 V @ 18.5 A | Higher clamping voltage and larger footprint; better suited for board space-constrained designs requiring surface-mount | Select SMBJ20A only if SMT assembly is required and higher clamping voltage is acceptable. |
| 1.5KE20A | DO-201AD package; same 600 W rating; VBR = 19.0–21.0 V; VC = 27.7 V @ 21.7 A; no AEC-Q101 qualification | Identical electrical specs but lacks automotive qualification; suitable for commercial/industrial use only | Choose 1.5KE20A where AEC-Q101 is not mandated and cost sensitivity outweighs qualification needs. |
Compared with SMBJ20A and 1.5KE20A, the P6KE20AHE3/54 offers identical clamping performance and breakdown range but delivers AEC-Q101 qualification in the smaller DO-15 through-hole package - making it optimal for legacy automotive harnesses and high-reliability through-hole production lines.
Availability
P6KE20AHE3/54 is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, consumer power adapter input stages, and telecom line card surge protection requiring stable component supply and long-term lifecycle support.
Supply support for P6KE20AHE3/54 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-grade validation.
The P6KE series targets cost-sensitive yet robust overvoltage protection in automotive, industrial, and consumer power systems - balancing high surge capability, compact DO-15 packaging, and AEC-Q101 compliance.
FAQ
What is the breakdown voltage range of the P6KE20AHE3/54?
The P6KE20AHE3/54 has a guaranteed breakdown voltage range of 19.0 V to 21.0 V at 1 mA test current, measured per ANSI/IEEE C62.35. This range ensures consistent turn-on behavior across production lots and temperature extremes, supporting predictable clamping performance in automotive and industrial applications where voltage margins are tightly controlled.
Is the P6KE20AHE3/54 suitable for automotive applications?
Yes, the P6KE20AHE3/54 is AEC-Q101 qualified and specifically rated for automotive use. Its DO-15 package, 175 °C maximum junction temperature, and validation across temperature cycling, humidity, and mechanical shock make it appropriate for under-hood and body electronics - including engine control units, lighting modules, and infotainment power supplies where transient immunity is critical.
What does the "HE3/54" suffix mean in P6KE20AHE3/54?
The "HE3" suffix indicates RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance; "54" denotes the preferred package code for 13-inch paper tape and reel delivery with 4000 units per reel. This full ordering code ensures traceability, automotive-grade reliability, and compatibility with standard through-hole assembly processes used in high-volume manufacturing.
How does the clamping voltage of P6KE20AHE3/54 compare to its breakdown voltage?
The P6KE20AHE3/54 clamps to a maximum of 27.7 V at 21.7 A (10/1000 μs waveform), yielding a clamping ratio (VC/VBR) of approximately 1.39. This tight ratio reflects low dynamic impedance during surge events and ensures protected circuits remain well below absolute maximum ratings - especially important for 3.3 V or 5 V logic interfaces powered from regulated 12 V rails.
Can P6KE20AHE3/54 be used in bidirectional configurations?
No, the P6KE20AHE3/54 is a unidirectional TVS diode, identified by the "A" suffix and cathode band marking. For bidirectional operation, Vishay specifies the "CA" variant (e.g., P6KE20CA). Using P6KE20AHE3/54 in AC-coupled or symmetrical signal paths would result in forward conduction during negative half-cycles, potentially damaging the device or circuit - always verify polarity alignment per application schematic.
P6KE20AHE3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 17.1V
- Voltage - Breakdown (Min):
- 19V
- Voltage - Clamping (Max) @ Ipp:
- 27.7V
- Current - Peak Pulse (10/1000µs):
- 21.7A
- 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)
P6KE20AHE3/54 FAQ
1.How can I place an order for P6KE20AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE20AHE3/54 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 P6KE20AHE3/54 reliable?
The price and inventory of P6KE20AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6KE20AHE3/54 is usually 5 days.
3.What payment methods are accepted for P6KE20AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE20AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE20AHE3/54?
P6KE20AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE20AHE3/54 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 P6KE20AHE3/54?
For technical support, including P6KE20AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE20AHE3/54 requirements.
6.How does Aetrix verify that P6KE20AHE3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE20AHE3/54 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 P6KE20AHE3/54 meets industry standards.
7.What is the process for return or replacement of P6KE20AHE3/54?
All P6KE20AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE20AHE3/54, 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 P6KE20AHE3/54 part is unused and in its original packaging.
Return procedure for P6KE20AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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