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Vishay General Semiconductor - Diodes Division P4KE27AHE3/54
- Part No.:
- P4KE27AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE27AHE3/54.pdf
- Description:
- TVS DIODE 23.1VWM 37.5VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:2,825
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Product details
Overview
P4KE27AHE3/54 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-41 package, designed for clamping inductive-switching and lightning-induced transients. It features 25.7 V minimum breakdown voltage (VBR), 23.1 V stand-off voltage (VWM), 37.5 V maximum clamping voltage (VC) at 10.7 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs and sensor signal lines in automotive and industrial control systems.
For engineers reviewing the P4KE27AHE3/54 datasheet, P4KE27AHE3/54 pinout, P4KE27AHE3/54 application, or P4KE27AHE3/54 equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, DO-41 mechanical compatibility, thermal resistance (RθJL = 66 °C/W), and 175 °C max junction temperature for under-hood or high-reliability embedded deployments.
Technical Context
This TVS diode operates as a voltage-clamping protection device that enters avalanche conduction when reverse voltage exceeds its breakdown threshold (25.7–28.4 V). Its glass-passivated junction ensures stable leakage performance (<1.0 μA at 23.1 V) and fast response time (<1.0 ns), enabling suppression of sub-microsecond transients on DC power rails and low-speed signal paths.
The device is rated for 400 W peak pulse power (10/1000 μs), 40 A non-repetitive forward surge current (8.3 ms half-sine), and derates linearly above 25 °C ambient per Fig. 2. Thermal resistance from junction to lead is 66 °C/W, supporting reliable operation up to 175 °C junction temperature without heatsinking in moderate-power applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 25.7 V / 28.4 V - defines precise avalanche onset range for repeatable clamping behavior |
| VWM | 23.1 V - maximum continuous reverse operating voltage before leakage rises significantly |
| VC @ IPPM | 37.5 V at 10.7 A - clamped voltage during 10/1000 μs surge, limiting stress on downstream ICs |
| PPPM | 400 W - peak transient energy handling capacity under standardized surge waveform |
| IFSM | 40 A - surge current tolerance for 8.3 ms half-sine wave, critical for relay/coil turn-off spikes |
| TJ max | +175 °C - enables deployment in under-hood automotive environments and industrial enclosures |
| RθJL | 66 °C/W - thermal resistance from junction to lead, informs PCB copper pour and mounting requirements |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with matte tin-plated leads; cathode indicated by color band on body. 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) | Avalanche clamping terminal | Connected to protected line (e.g., 24 V rail or sensor input); conducts during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance (±5 %) and low leakage (<1.0 μA) across temperature and life cycle |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness |
| 400 W peak pulse power (10/1000 μs) | Handles common ISO 7637-2 Pulse 1/2a/5a transients without degradation |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin |
| UL 94 V-0 compliant molding compound | Meets flammability safety requirements for enclosed industrial and transportation equipment |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Suppresses load-dump and inductive switching transients on 24 V battery-fed ECUs and body control modules. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between power rail and chassis ground to limit voltage excursions below 37.5 V. Use Value: Prevents latch-up or permanent damage to microcontrollers and CAN transceivers during ISO 7637-2 Pulse 5a events. | Use Scenario: Shields analog outputs of pressure/temperature sensors from ESD and cable discharge events in factory automation. IC Role / Device Role / Timing Role: Low-capacitance TVS connected between signal line and ground to clamp ±8 kV contact ESD per IEC 61000-4-2. Use Value: Maintains signal integrity below 100 pF capacitance while surviving >20,000 ESD strikes without parameter shift. |
| Consumer Appliance Motor Drive Protection | Telecom Power Input Stage Protection |
Use Scenario: Protects gate drivers and bootstrap circuits in BLDC motor inverters from flyback spikes during PWM commutation. IC Role / Device Role / Timing Role: Mounted across DC-link capacitor or motor phase terminals to clamp inductive kickback. Use Value: Limits voltage overshoot to ≤37.5 V, preventing gate oxide rupture in 600 V MOSFETs during 40 A surge events. | Use Scenario: Guards AC/DC front-end rectifiers and PFC controllers against lightning-induced surges on telecom power inputs. IC Role / Device Role / Timing Role: First-stage clamping device on primary-side DC bus, coordinated with MOVs and fuses. Use Value: Absorbs 400 W peak energy from 10/1000 μs surges per IEC 61000-4-5 Level 3, extending system MTBF. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ24A | DO-214AA package; 24 V VWM, 38.9 V VC @ 10.3 A; 600 W PPPM | Higher power rating but larger footprint; requires PCB re-layout | Select when higher surge margin is needed and DO-41 space constraint is relaxed |
| 1.5KE27A | Same DO-41 package; 27 V VWM, 43.0 V VC @ 9.3 A; 1500 W PPPM | Higher clamping voltage reduces protection margin for 3.3 V/5 V logic; suited for 48 V systems | Choose only if system withstand voltage allows ≥43 V clamping and legacy 1.5KE footprint is fixed |
Compared with SMBJ24A and 1.5KE27A, the P4KE27AHE3/54 offers optimal balance of AEC-Q101 qualification, 37.5 V clamping ceiling, and DO-41 compatibility - making it preferred for space-constrained automotive and industrial designs where precise voltage limiting and qualification compliance are mandatory.
Availability
P4KE27AHE3/54 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and consumer appliance motor drives requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P4KE27AHE3/54 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 P4KE27AHE3/54 belongs to the TRANSZORB® family - engineered specifically for robust, standardized transient suppression in harsh environments where AEC-Q101 compliance and repeatable clamping performance are essential.
FAQ
What is the polarity configuration of the P4KE27AHE3/54?
The P4KE27AHE3/54 is a unidirectional TVS diode, with the cathode identified by a color band on the DO-41 package body. It conducts only in reverse bias during overvoltage events and blocks forward current like a standard rectifier. This configuration is required for DC rail protection where polarity is fixed, unlike bidirectional types (e.g., P4KE27CA) used on AC or differential lines.
Is the P4KE27AHE3/54 qualified for automotive applications?
Yes, the P4KE27AHE3/54 carries the HE3 suffix, indicating full AEC-Q101 qualification per Vishay's documentation (Rev. 16-Sep-2021, Doc. #88365). It has passed stress tests including temperature cycling, high-temperature reverse bias, and ESD, making it suitable for under-hood and chassis-mounted automotive modules.
What is the maximum clamping voltage of the P4KE27AHE3/54 under surge conditions?
The P4KE27AHE3/54 has a maximum clamping voltage (VC) of 37.5 V at 10.7 A peak pulse current (IPPM) using the standard 10/1000 μs waveform. This value is guaranteed per the datasheet's Electrical Characteristics table and defines the upper voltage limit imposed on protected circuitry during transient events.
How does the P4KE27AHE3/54 differ from the commercial-grade P4KE27A-E3/54?
The P4KE27AHE3/54 differs from P4KE27A-E3/54 solely in qualification level: HE3 denotes AEC-Q101 qualification and JESD 201 Class 2 whisker resistance, while E3 is commercial grade with JESD 201 Class 1A. All electrical parameters, package dimensions, and marking are identical - only reliability testing scope and screening differ.
Can the P4KE27AHE3/54 be used in parallel for higher surge current handling?
No - the P4KE27AHE3/54 should not be paralleled due to VBR mismatch (25.7–28.4 V range), which causes uneven current sharing and potential thermal runaway. For higher surge capability, select a single higher-rated device such as 1.5KE27A or use coordinated multi-stage protection with upstream current-limiting impedance.
P4KE27AHE3/54 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):
- 23.1V
- Voltage - Breakdown (Min):
- 25.7V
- Voltage - Clamping (Max) @ Ipp:
- 37.5V
- Current - Peak Pulse (10/1000µs):
- 10.7A
- 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)
P4KE27AHE3/54 FAQ
1.How can I place an order for P4KE27AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE27AHE3/54 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 P4KE27AHE3/54 reliable?
The price and inventory of P4KE27AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE27AHE3/54 is usually 5 days.
3.What payment methods are accepted for P4KE27AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE27AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE27AHE3/54?
P4KE27AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE27AHE3/54 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 P4KE27AHE3/54?
For technical support, including P4KE27AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE27AHE3/54 requirements.
6.How does Aetrix verify that P4KE27AHE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE27AHE3/54 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 P4KE27AHE3/54 meets industry standards.
7.What is the process for return or replacement of P4KE27AHE3/54?
All P4KE27AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE27AHE3/54, 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 P4KE27AHE3/54 part is unused and in its original packaging.
Return procedure for P4KE27AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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