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Vishay General Semiconductor - Diodes Division P4KE56HE3/54
- Part No.:
- P4KE56HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE56HE3/54.pdf
- Description:
- TVS DIODE 45.4VWM 80.5VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:8,929
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Product details
Overview
P4KE56HE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for robust overvoltage protection of sensitive electronics. It features a 53.2 V minimum breakdown voltage (VBR), 47.8 V maximum standoff voltage (VWM), 77.0 V clamping voltage (VC) at 5.2 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - deployed on power rails and signal lines in automotive ECUs and industrial sensor interfaces.
For engineers reviewing the P4KE56HE3/54 datasheet, P4KE56HE3/54 pinout, P4KE56HE3/54 application, or P4KE56HE3/54 equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance data, DO-41 mechanical dimensions, and direct alternatives for circuit protection design-in and BOM validation.
Technical Context
This TVS diode operates as a unidirectional clamping device, leveraging glass-passivated junction technology to achieve fast response (<1 ns) and low incremental surge resistance. Its 400 W peak pulse power rating is defined under standardized 10/1000 μs waveform conditions with 0.01% duty cycle, and it maintains stable clamping performance across -55 °C to +175 °C operating junction temperature range.
The P4KE56HE3/54 is AEC-Q101 qualified and RoHS-compliant, with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Its thermal resistance is 66 °C/W (junction-to-lead) and 100 °C/W (junction-to-ambient), enabling reliable operation without heatsinking in typical PCB layouts with 10 mm lead length.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min / max | 53.2 V / 58.8 V at 1.0 mA test current - defines precise voltage threshold where clamping initiates under transient stress |
| VWM | 47.8 V maximum - ensures no conduction during normal 48 V system operation, preventing leakage-related power loss |
| VC @ IPPM | 77.0 V at 5.2 A peak pulse current - limits downstream IC voltage exposure during 400 W transient events |
| PPPM | 400 W with 10/1000 μs waveform - sustains high-energy surges common in automotive load-dump and inductive switching |
| IFSM | 40 A peak forward surge current (8.3 ms half-sine) - supports robustness against repetitive inrush or fault currents |
| TJ max | +175 °C - enables deployment in under-hood automotive environments and high-temperature industrial enclosures |
| RθJL | 66 °C/W - allows accurate thermal modeling when mounted on PCB with standard lead lengths |
Pinout & Package
Package: DO-41 (DO-204AL), molded epoxy body with glass-passivated chip junction; 0.205" (5.2 mm) maximum body diameter, 0.107" (2.7 mm) lead diameter; UL 94 V-0 compliant molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to protected circuit ground or low-side return path; color band denotes cathode end |
| Cathode | Current exit terminal in forward bias; clamping node in reverse bias | Connected to line being protected (e.g., 48 V rail); conducts during overvoltage to shunt energy to ground |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JEDEC standards |
| Glass passivated junction | Enables stable VBR tolerance (±5%), low leakage (<1.0 μA at VWM), and long-term parametric stability |
| 400 W peak pulse power | Withstands ISO 7637-2 Pulse 5a (load dump) and IEC 61000-4-5 Level 4 surges without degradation |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes voltage overshoot during transients, protecting 60 V-rated MOSFETs and CAN transceivers |
| Matte tin-plated leads | Ensures solderability per J-STD-002 and whisker resistance per JESD 201 Class 2 (HE3 suffix) |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Clamping |
|---|---|
|
Use Scenario: 48 V battery rail in ADAS domain controller exposed to load-dump transients up to 60 V. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between power input and DC-DC converter input stage. Use Value: Limits voltage to ≤77.0 V during 400 W transients, preventing damage to 65 V input-rated buck controllers and gate drivers. |
Use Scenario: Analog output line (0–10 V) from pressure sensor in factory automation PLC module. IC Role / Device Role / Timing Role: Point-of-entry protection diode on sensor output trace before op-amp buffer input. Use Value: Clamps ESD strikes (IEC 61000-4-2 ±8 kV contact) within <1 ns, preserving 12-bit ADC accuracy and eliminating false triggers. |
| Telecom DC Power Interface | Consumer Device USB Power Input |
|
Use Scenario: -48 V telecom rectifier output feeding base station backplane with hot-swap FETs. IC Role / Device Role / Timing Role: Reverse-polarity and surge protection element on primary DC feed line. Use Value: Blocks reverse connection while clamping induced lightning surges (10/1000 μs) to safe levels for downstream PMICs. |
Use Scenario: 5 V USB-C power input on smart home hub subjected to cable-induced transients. IC Role / Device Role / Timing Role: Secondary-level TVS after fuse and before USB PD controller. Use Value: Absorbs 30 A surge (per IEC 61000-4-5) without latch-up, maintaining VWM margin above 5.25 V nominal supply. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ58A-E3/52 | DO-214AA package; 58 V VBR min; 400 W rating; 100 pF junction capacitance vs. DO-41's ~50 pF | Higher board density but higher parasitic capacitance - less suitable for >1 MHz signal lines | Select when footprint space is constrained and lower capacitance is not critical |
| 1.5KE56A | Same DO-41 package; 56 V VBR; 1500 W peak power; larger thermal mass; 1.5 W steady-state dissipation | Overqualified for 400 W needs; requires more PCB copper area for thermal management | Select only when legacy 1.5KE series is mandated or higher single-pulse energy margin is required |
Compared with SMBJ58A-E3/52 and 1.5KE56A, the P4KE56HE3/54 offers optimal balance of AEC-Q101 compliance, DO-41 manufacturability, 400 W capability, and low-cost reel packaging (5500 pcs/reel), making it ideal for high-volume automotive and industrial protection where qualification and consistency are mandatory.
Availability
P4KE56HE3/54 is available at Aetrix Electronics and suitable for automotive control units, industrial sensor interfaces, and telecom power supplies requiring stable component supply with full traceability and AEC-Q101 documentation support.
Supply support for P4KE56HE3/54 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive qualification.
The P4KE56HE3/54 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-reliability transient suppression in harsh environments including automotive, industrial, and telecom infrastructure.
FAQ
What is the AEC-Q101 qualification status of P4KE56HE3/54?
The P4KE56HE3/54 carries the HE3 suffix, which explicitly denotes AEC-Q101 qualification per Vishay's ordering nomenclature and datasheet note (page 3). This includes stress testing for temperature cycling, high-temperature reverse bias, and ESD per JESD22-A114. The qualification applies directly to the P4KE56HE3/54 device, not just the P4KE family generically.
Does P4KE56HE3/54 have bidirectional capability?
No, P4KE56HE3/54 is a unidirectional TVS diode. Its part number lacks the "CA" suffix (e.g., P4KE56CA), which Vishay reserves for bidirectional types. The datasheet confirms polarity marking: a color band denotes the cathode end, and all electrical characteristics for P4KE56A-series devices apply only in reverse-bias clamping mode.
What is the maximum clamping voltage of P4KE56HE3/54 and at what current is it specified?
The maximum clamping voltage (VC) of P4KE56HE3/54 is 77.0 V, measured at 5.2 A peak pulse current (IPPM) using the standardized 10/1000 μs waveform. This value is listed in the Electrical Characteristics table (page 2) and defines the upper voltage limit imposed on protected circuits during transient events.
How does the thermal resistance of P4KE56HE3/54 affect its derating in real-world PCB layouts?
P4KE56HE3/54 has RθJL = 66 °C/W (junction-to-lead) and RθJA = 100 °C/W (junction-to-ambient, LLead = 10 mm). In practice, this means that at 25 °C ambient and 1.5 W steady-state dissipation, junction temperature rises ~150 °C - well within the 175 °C max. Derating begins above 25 °C ambient per Figure 2, requiring reduced pulse repetition rates in high-temperature enclosures.
What packaging format is supplied for P4KE56HE3/54 and what is the reel quantity?
P4KE56HE3/54 is supplied in 13-inch diameter paper tape and reel packaging, with a base quantity of 5500 pieces per reel. This is confirmed in the Ordering Information section (page 3) and aligns with standard DO-41 handling for automated SMT placement, despite the axial-leaded form factor requiring through-hole or selective soldering processes.
P4KE56HE3/54 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):
- 45.4V
- Voltage - Breakdown (Min):
- 50.4V
- Voltage - Clamping (Max) @ Ipp:
- 80.5V
- Current - Peak Pulse (10/1000µs):
- 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)
P4KE56HE3/54 FAQ
1.How can I place an order for P4KE56HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE56HE3/54 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 P4KE56HE3/54 reliable?
The price and inventory of P4KE56HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE56HE3/54 is usually 5 days.
3.What payment methods are accepted for P4KE56HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE56HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE56HE3/54?
P4KE56HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE56HE3/54 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 P4KE56HE3/54?
For technical support, including P4KE56HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE56HE3/54 requirements.
6.How does Aetrix verify that P4KE56HE3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE56HE3/54 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 P4KE56HE3/54 meets industry standards.
7.What is the process for return or replacement of P4KE56HE3/54?
All P4KE56HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE56HE3/54, 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 P4KE56HE3/54 part is unused and in its original packaging.
Return procedure for P4KE56HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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