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Vishay General Semiconductor - Diodes Division P4KE350A-E3/54
- Part No.:
- P4KE350A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE350A-E3/54.pdf
- Description:
- TVS DIODE 300VWM 482VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:8,225
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Product details
Overview
P4KE350A-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for clamping voltage transients up to 482 V at 0.83 A peak pulse current (10/1000 μs), with 300 V stand-off voltage and 400 W peak pulse power rating. It protects MOSFETs, ICs, and sensor signal lines in industrial and automotive power electronics against inductive switching surges.
For engineers reviewing the P4KE350A-E3/54 datasheet, P4KE350A-E3/54 pinout, P4KE350A-E3/54 application, or P4KE350A-E3/54 equivalent, this device delivers verified clamping performance at 333–368 V breakdown, AEC-Q101 qualification for automotive use, and RoHS-compliant matte tin-plated leads suitable for J-STD-002 soldering.
Technical Context
This unidirectional TVS diode uses a glass passivated junction to achieve fast response time (<1 ns), low incremental surge resistance, and stable clamping under repetitive 0.01% duty cycle pulses. Its thermal resistance (RθJL = 66 °C/W) supports reliable operation up to 175 °C junction temperature.
The device operates with 300 V maximum working voltage (VWM) and clamps to 482 V at rated IPPM, enabling robust protection of 28 V–48 V DC systems against ISO 7637-2 pulse 1/2a/5a transients. VF is 5.0 V at 25 A forward surge, consistent with high-voltage P4KE series variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 333 V / 368 V - ensures reliable triggering above system operating voltage while avoiding false trips |
| VWM | 300 V - maximum continuous reverse voltage before leakage exceeds 1.0 μA |
| VC @ IPPM | 482 V - clamped voltage during 0.83 A 10/1000 μs transient, defining worst-case stress on protected circuit |
| PPPM | 400 W - peak pulse power handling capability under standard 10/1000 μs waveform |
| IPPM | 0.83 A - maximum non-repetitive surge current the device safely clamps without degradation |
| TJ max. | +175 °C - enables deployment in under-hood automotive and high-temperature industrial environments |
| RθJL | 66 °C/W - low thermal resistance from junction to lead supports sustained power dissipation |
Pinout & Package
DO-41 (DO-204AL) molded epoxy package with axial leads; cathode indicated by color band on body; matte tin-plated terminals compliant with J-STD-002 solderability and JESD 201 Class 1A whisker testing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to system ground or low-side return in unidirectional clamp configuration |
| Cathode | Reverse-biased clamping node | Connected to protected line (e.g., 24 V rail or sensor input); color band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable VBR tolerance (±5%) and long-term reliability under humidity and thermal cycling |
| 400 W peak pulse power (10/1000 μs) | Supports protection against severe load dump and inductive kick events per ISO 16750-2 |
| AEC-Q101 qualified (E3 suffix variant) | Validated for automotive powertrain and body electronics applications requiring zero defect reliability |
| UL 94 V-0 molding compound | Meets flammability requirements for enclosed industrial control cabinets and EV charging modules |
| Low ID ≤ 1.0 μA at VWM | Minimizes standby power loss in always-on 24 V monitoring circuits |
Applications
| Automotive Power Distribution | Industrial PLC Analog Inputs |
|---|---|
Use Scenario: Protecting 24 V supply rails in engine control units against load dump transients up to ±120 V. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed between battery feed and LDO input. Use Value: Limits voltage seen by downstream regulators to ≤482 V, preventing latch-up or die damage during ISO 16750-2 Pulse 5a. |
Use Scenario: Shielding 4–20 mA current loop inputs in programmable logic controllers from ESD and field wiring surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on signal line, upstream of precision op-amp front-end. Use Value: Maintains <1.0 μA leakage at 30 V common-mode range, preserving loop accuracy while surviving 4 kV contact ESD. |
| Telecom DC Power Feeds | Motor Drive Gate Driver Protection |
Use Scenario: Safeguarding -48 V telecom rectifier outputs against lightning-induced surges on outside plant lines. IC Role / Device Role / Timing Role: Standoff-rated TVS on DC output bus, coordinated with upstream MOVs. Use Value: Withstands 300 V continuous reverse bias and clamps 10/1000 μs transients to 482 V, aligning with GR-1089-CORE Level 3 immunity. |
Use Scenario: Clamping Miller-induced spikes on high-side gate drive traces in 3-phase inverters. IC Role / Device Role / Timing Role: Localized transient suppressor mounted directly at gate driver IC output pin. Use Value: Sub-1 ns response captures fast-rising dv/dt events (>50 V/ns), limiting gate oxide stress below 20 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ350A | DO-214AA package; 350 V VWM; 400 W PPPM; lower RθJA (85 °C/W vs. 100 °C/W) | Better suited for surface-mount PCBs with space constraints; requires rework for through-hole legacy designs | Select SMBJ350A when board real estate is limited and thermal management via copper pour is feasible. |
| 1.5KE350A | Same DO-41 package; identical VWM/VBR/VC; higher PPPM (1500 W) but larger physical size and higher IFSM (200 A) | Used where higher single-pulse energy absorption is required, e.g., heavy-duty industrial motor controls | Choose 1.5KE350A only if system-level testing confirms need for >400 W pulse handling; otherwise P4KE350A-E3/54 offers optimal cost/performance balance. |
Compared with SMBJ350A and 1.5KE350A, the P4KE350A-E3/54 provides the most compact through-hole solution with AEC-Q101 qualification, making it ideal for automotive and space-constrained industrial designs where DO-41 mounting and RoHS compliance are mandatory.
Availability
P4KE350A-E3/54 is available at Aetrix Electronics and suitable for automotive power distribution, industrial PLC analog inputs, telecom DC power feeds, and motor drive gate driver protection requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for P4KE350A-E3/54 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-grade qualification.
The P4KE350A-E3/54 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for robust transient suppression in harsh environments including automotive, industrial, and telecom infrastructure.
FAQ
What is the breakdown voltage range for P4KE350A-E3/54?
The P4KE350A-E3/54 has a guaranteed breakdown voltage (VBR) range of 333 V to 368 V at 1.0 mA test current, measured per ANSI/IEEE C62.35 standards. This tight tolerance ensures predictable clamping onset across manufacturing lots and temperature extremes, critical for protecting 24 V–48 V systems where overvoltage margin must be precisely controlled. The P4KE350A-E3/54 maintains this specification across its full operating temperature range of –55 °C to +175 °C.
Is P4KE350A-E3/54 suitable for automotive applications?
Yes, the P4KE350A-E3/54 is AEC-Q101 qualified (as confirmed by the HE3 suffix variant and documentation note), and its DO-41 package with matte tin-plated leads meets JESD 201 Class 1A whisker resistance. The device operates reliably from –55 °C to +175 °C and withstands load dump transients per ISO 16750-2, making the P4KE350A-E3/54 appropriate for engine control, body electronics, and ADAS power rail protection where certified reliability is mandatory.
What is the clamping voltage of P4KE350A-E3/54 at its rated peak pulse current?
The P4KE350A-E3/54 clamps to a maximum of 482 V when subjected to its rated peak pulse current (IPPM) of 0.83 A under the standard 10/1000 μs waveform. This value defines the upper voltage limit imposed on protected circuitry during surge events and is measured at TA = 25 °C per Figure 1 in the Vishay datasheet. The P4KE350A-E3/54 maintains this clamping performance with minimal derating up to 125 °C ambient.
How does the P4KE350A-E3/54 differ from the P4KE350CA variant?
The P4KE350A-E3/54 is unidirectional, with a cathode band marking and forward voltage (VF) of 5.0 V at 25 A, whereas the P4KE350CA is bidirectional and lacks polarity marking. The P4KE350A-E3/54 is intended for DC rail protection where polarity is fixed, while the P4KE350CA suits AC-coupled or dual-polarity signal lines. Both share identical VWM, VBR, and PPPM, but only the P4KE350A-E3/54 supports forward conduction in surge paths.
What packaging and reel configuration is supplied for P4KE350A-E3/54?
The P4KE350A-E3/54 ships in 13-inch diameter paper tape and reel format with a base quantity of 5500 units per reel (ordering code /54). Each unit weighs 0.350 g, and the DO-41 body dimensions conform to JEDEC DO-204AL standards: 25.4 mm minimum length, 5.2 mm maximum body diameter, and 0.86 mm lead diameter. The P4KE350A-E3/54 is RoHS-compliant and marked with Vishay logo and part number per industry traceability requirements.
P4KE350A-E3/54 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):
- 300V
- Voltage - Breakdown (Min):
- 333V
- Voltage - Clamping (Max) @ Ipp:
- 482V
- Current - Peak Pulse (10/1000µs):
- 830mA
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
P4KE350A-E3/54 FAQ
1.How can I place an order for P4KE350A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE350A-E3/54 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 P4KE350A-E3/54 reliable?
The price and inventory of P4KE350A-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE350A-E3/54 is usually 5 days.
3.What payment methods are accepted for P4KE350A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE350A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE350A-E3/54?
P4KE350A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE350A-E3/54 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 P4KE350A-E3/54?
For technical support, including P4KE350A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE350A-E3/54 requirements.
6.How does Aetrix verify that P4KE350A-E3/54 is sourced from the original manufacturer or authorized distributors?
All P4KE350A-E3/54 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 P4KE350A-E3/54 meets industry standards.
7.What is the process for return or replacement of P4KE350A-E3/54?
All P4KE350A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE350A-E3/54, 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 P4KE350A-E3/54 part is unused and in its original packaging.
Return procedure for P4KE350A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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