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Vishay General Semiconductor - Diodes Division P4KE24HE3/54
- Part No.:
- P4KE24HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE24HE3/54.pdf
- Description:
- TVS DIODE 19.4VWM 34.7VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:9,886
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Product details
Overview
P4KE24HE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for circuit-level ESD and surge protection. It features 24 V breakdown voltage (VBR = 22.8–25.2 V at 1.0 mA), 20.5 V stand-off voltage (VWM), clamps transients to ≤33.2 V at 12.0 A peak pulse current (10/1000 μs), and delivers 400 W peak pulse power - used to protect MOSFET gates, sensor signal lines, and microcontroller I/O in automotive body electronics.
For engineers reviewing the P4KE24HE3/54 datasheet, P4KE24HE3/54 pinout, P4KE24HE3/54 application, or P4KE24HE3/54 equivalent, this page provides verified electrical parameters, AEC-Q101 qualification status, DO-41 mechanical data, clamping behavior under surge, and direct alternatives with documented VBR, VC, and packaging differences.
Technical Context
The P4KE24HE3/54 operates as a unidirectional avalanche diode, triggering conduction when reverse voltage exceeds its 22.8–25.2 V breakdown range. Its glass-passivated junction ensures stable VBR tolerance (±5 %) and low leakage (<1.0 μA at 20.5 V), while the 33.2 V clamping voltage at 12.0 A defines maximum protected-circuit stress during a 10/1000 μs transient.
Thermally, it supports operation from –55 °C to +175 °C junction temperature, with 66 °C/W junction-to-lead thermal resistance and 100 °C/W junction-to-ambient (LLead = 10 mm). The HE3 suffix confirms AEC-Q101 qualification and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 22.8 V / 25.2 V at 1.0 mA - defines precise turn-on threshold for overvoltage detection |
| VWM | 20.5 V - maximum continuous reverse working voltage before leakage rises |
| VC @ IPPM | ≤33.2 V at 12.0 A - limits downstream voltage stress during 10/1000 μs surge |
| PPPM | 400 W - peak transient energy absorption capability per single pulse |
| IFSM | 40 A - withstands 8.3 ms half-sine surge without failure (unidirectional only) |
| TJ max. | +175 °C - enables use in under-hood automotive environments |
| AEC-Q101 | Qualified - validated for automotive reliability including temperature cycling and HTRB |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with matte tin-plated leads; cathode indicated by color band on body; lead length ≥10 mm for thermal derating compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or low-side reference in unidirectional clamp configuration |
| Cathode | Reverse-biased surge input terminal | Connected to protected line (e.g., CAN_H, sensor VOUT, MCU I/O); color band marks this end |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter shift |
| 400 W peak pulse power (10/1000 μs) | Protects against ISO 7637-2 Pulse 1/2a/3a and IEC 61000-4-5 Level 3 surges |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive applications including engine control modules and ADAS sensor interfaces |
| Low clamping ratio (VC/VBR ≈ 1.31) | Minimizes voltage overshoot during fast transients, reducing risk of IC latch-up |
| UL 94 V-0 molding compound | Meets flammability requirements for enclosed automotive and industrial enclosures |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protecting LIN bus transceiver inputs from load dump and inductive switching spikes in door module ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS placed between LIN line and ground to clamp reverse transients below transceiver's absolute maximum rating. Use Value: Clamps 12 V system surges to ≤33.2 V, preventing damage to TJA1020-level transceivers while maintaining signal integrity via low capacitance. | Use Scenario: Safeguarding 4–20 mA current loop outputs of pressure sensors exposed to field wiring surges. IC Role / Device Role / Timing Role: Placed across output terminals to shunt induced transients before they reach op-amp output stage or DAC buffer. Use Value: Withstands 40 A surge (IFSM) and clamps to 33.2 V, preserving analog accuracy and avoiding reset events in loop-powered transmitters. |
| Consumer Appliance Motor Drive Interface | Telecom Power Input Stage |
Use Scenario: Shielding microcontroller GPIOs driving relay coils or small BLDC fans in smart home appliances. IC Role / Device Role / Timing Role: Connected anode-to-ground, cathode-to-GPIO to suppress flyback voltage from inductive loads. Use Value: Fast response (<1 ps) and low incremental resistance limit voltage spike to safe levels, eliminating need for snubber RC networks. | Use Scenario: Front-end protection on 24 V DC telecom power entry before DC/DC converters. IC Role / Device Role / Timing Role: First-line defense against lightning-induced surges on building-wide power distribution lines. Use Value: 400 W peak power rating handles repeated 10/1000 μs transients per IEC 61000-4-5, extending converter lifespan in outdoor cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ24A | DO-214AA package; 24 V VBR (22.8–25.2 V); 600 W PPPM; lower VC (38.9 V) | Higher power handling but larger footprint; better for PCBs with space margin and higher surge exposure | Select SMBJ24A when 600 W rating or surface-mount assembly is required; P4KE24HE3/54 preferred for through-hole legacy designs. |
| 1.5KE24A | DO-201AD package; same VBR range; 1500 W PPPM; higher IPPM (65.1 A) | Designed for high-energy industrial mains protection; not AEC-Q101 qualified | Choose 1.5KE24A for non-automotive, high-surge environments; P4KE24HE3/54 remains optimal for AEC-Q101-compliant automotive signal lines. |
Compared with SMBJ24A and 1.5KE24A, the P4KE24HE3/54 offers AEC-Q101 qualification and DO-41 through-hole compatibility at 400 W rating - making it the preferred choice for cost-sensitive, space-constrained automotive and industrial signal-line protection where moderate surge energy suffices.
Availability
P4KE24HE3/54 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, consumer appliance motor controls, and telecom power input stages requiring stable component supply and long-term lifecycle support.
Supply support for P4KE24HE3/54 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 P4KE series targets cost-effective, high-volume transient suppression in automotive, industrial, and consumer systems - optimized for DO-41 through-hole integration and AEC-Q101 compliance in harsh environments.
FAQ
What is the breakdown voltage range of the P4KE24HE3/54?
The P4KE24HE3/54 has a guaranteed breakdown voltage (VBR) range of 22.8 V to 25.2 V at a test current of 1.0 mA, measured per ANSI/IEEE C62.35 standards. This tight ±5 % tolerance ensures consistent clamping behavior across production lots and supports reliable overvoltage detection in safety-critical circuits like automotive BCMs. The P4KE24HE3/54 maintains this specification under ambient temperatures from –55 °C to +125 °C.
Is the P4KE24HE3/54 suitable for automotive applications?
Yes, the P4KE24HE3/54 is AEC-Q101 qualified (confirmed by the HE3 suffix), meaning it has passed stress tests including temperature cycling, high-temperature reverse bias, and accelerated life testing required for automotive electronics. It is routinely deployed in body control modules, sensor interfaces, and infotainment power rails. The P4KE24HE3/54 meets JESD 201 Class 2 whisker resistance and UL 94 V-0 flammability - both critical for under-hood and dashboard applications.
What is the maximum clamping voltage of the P4KE24HE3/54 during a surge event?
The P4KE24HE3/54 clamps to a maximum of 33.2 V when subjected to its rated 12.0 A peak pulse current (IPPM) under the standard 10/1000 μs waveform. This clamping voltage is measured at the device terminals and defines the upper voltage limit imposed on protected circuitry during transient events. The low VC/VBR ratio (~1.31) of the P4KE24HE3/54 minimizes stress on downstream ICs such as microcontrollers and transceivers.
Does the P4KE24HE3/54 have polarity marking, and how is it identified?
Yes, the P4KE24HE3/54 is unidirectional and features a visible cathode band (typically black or dark stripe) on the epoxy body near one lead - this identifies the cathode terminal. The anode is the unmarked lead. Correct orientation is essential: cathode connects to the protected line (e.g., signal or supply rail), anode to ground. Reversal prevents proper clamping and may cause device failure during surge events. The P4KE24HE3/54 follows JEDEC DO-41 mechanical standards for consistent mounting and identification.
What is the thermal resistance and maximum junction temperature of the P4KE24HE3/54?
The P4KE24HE3/54 has a typical junction-to-lead thermal resistance (RθJL) of 66 °C/W and junction-to-ambient resistance (RθJA) of 100 °C/W (with 10 mm lead length). Its maximum operating junction temperature is +175 °C, enabling use in high-temperature automotive and industrial environments. Derating begins above 25 °C ambient, and full 400 W pulse power is only valid at TA = 25 °C - the P4KE24HE3/54 must be thermally managed per Figure 2 and Figure 5 in Vishay Document 88365.
P4KE24HE3/54 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 19.4V
- Voltage - Breakdown (Min):
- 21.6V
- Voltage - Clamping (Max) @ Ipp:
- 34.7V
- Current - Peak Pulse (10/1000µs):
- 11.5A
- 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)
P4KE24HE3/54 FAQ
1.How can I place an order for P4KE24HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE24HE3/54 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 P4KE24HE3/54 reliable?
The price and inventory of P4KE24HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE24HE3/54 is usually 5 days.
3.What payment methods are accepted for P4KE24HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE24HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE24HE3/54?
P4KE24HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE24HE3/54 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 P4KE24HE3/54?
For technical support, including P4KE24HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE24HE3/54 requirements.
6.How does Aetrix verify that P4KE24HE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE24HE3/54 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 P4KE24HE3/54 meets industry standards.
7.What is the process for return or replacement of P4KE24HE3/54?
All P4KE24HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE24HE3/54, 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 P4KE24HE3/54 part is unused and in its original packaging.
Return procedure for P4KE24HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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