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Vishay General Semiconductor - Diodes Division P4KE250C-E3/73
- Part No.:
- P4KE250C-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
P4KE250C-E3/73.pdf
- Description:
- TVS DIODE 202VWM 360VC DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:2,974
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Product details
Overview
P4KE250C-E3/73 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode in DO-41 package, designed for clamping voltage transients on signal or power lines. It features a 214 V standoff voltage (VWM), 237–263 V breakdown range (VBR at 1 mA), 344 V maximum clamping voltage (VC) at 1.2 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs, sensor interfaces, and industrial control inputs against inductive switching surges.
For engineers reviewing the P4KE250C-E3/73 datasheet, P4KE250C-E3/73 pinout, P4KE250C-E3/73 application, or P4KE250C-E3/73 equivalent, this device is selected for robust overvoltage protection where bidirectional clamping, AEC-Q101 qualification (via HE3 variant), low incremental surge resistance, and UL 94 V-0 molded epoxy packaging are required in automotive and industrial environments.
Technical Context
This TVS diode operates symmetrically in both directions due to its bidirectional construction, enabling protection of AC-coupled or floating signal paths without polarity sensitivity. Its glass-passivated junction ensures stable breakdown characteristics and fast response time (<1 ns), while the DO-41 package supports manual or wave soldering per JESD 22-B106 (275 °C, 10 s).
Thermal performance is defined by RθJL = 66 °C/W (junction-to-lead) and RθJA = 100 °C/W (junction-to-ambient, LLead = 10 mm), with maximum junction temperature rated at +175 °C and operating range from –55 °C to +175 °C. The device meets AEC-Q101 stress test requirements when ordered as HE3 variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 214 V - Maximum continuous reverse working voltage before conduction begins; defines safe operating margin below clamping threshold. |
| VBR (Breakdown Voltage) | 237–263 V at 1 mA - Confirmed breakdown range ensuring reliable triggering during transient events without premature conduction. |
| VC (Clamping Voltage) | 344 V at IPPM = 1.2 A - Peak voltage seen across protected circuit during 10/1000 μs surge; determines stress on downstream components. |
| PPPM (Peak Pulse Power) | 400 W - Sustained energy absorption capability under standardized 10/1000 μs waveform; enables protection against common inductive load spikes. |
| IPPM (Peak Pulse Current) | 1.2 A - Maximum non-repetitive surge current the device can safely divert without degradation. |
| TJ max. | +175 °C - Enables operation in under-hood automotive or high-temperature industrial enclosures without thermal derating concerns. |
| Package | DO-41 (DO-204AL) - Industry-standard axial-leaded package compatible with legacy PCB layouts and automated insertion equipment. |
Pinout & Package
DO-41 (DO-204AL) package: axial-leaded, molded epoxy body with glass-passivated chip junction; no polarity marking for bidirectional types; matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient current path terminal | Bidirectional conduction - either lead serves as input/output; no cathode band marking; terminals interchangeable in layout. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| 400 W peak pulse power (10/1000 μs) | Provides sufficient energy handling for EN 61000-4-5 Level 3 surge immunity in industrial I/O modules. |
| AEC-Q101 qualified (HE3 variant) | Validated for automotive powertrain and body electronics applications requiring extended temperature and life-cycle stress compliance. |
| UL 94 V-0 flammability rating | Molding compound prevents flame propagation in safety-critical enclosures per IEC 60664-1 insulation coordination requirements. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for 3.3 V or 5 V logic interfaces. |
Applications
| Automotive Sensor Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor front-ends (e.g., pressure, temperature) from load dump and alternator ripple. IC Role / Device Role / Timing Role: Bidirectional clamping element placed across differential signal pair or supply rail to shunt transient energy before it reaches sensitive IC inputs. Use Value: Prevents latch-up or permanent damage to microcontrollers and analog front-ends during ISO 7637-2 Pulse 5a (load dump) events up to 400 W. |
Use Scenario: Safeguarding 24 V DC digital input channels in programmable logic controllers exposed to relay coil flyback and ESD from field wiring. IC Role / Device Role / Timing Role: Primary overvoltage clamp on isolated input optocoupler stage, absorbing inductive kickback before signal conditioning circuitry. Use Value: Maintains functional integrity of PLC inputs during repetitive 10/1000 μs surges up to 1.2 A, meeting IEC 61000-4-4 Level 4 immunity requirements. |
| Telecom Line Interface Protection | Consumer Appliance Motor Control |
Use Scenario: Shielding RS-485 transceivers and Ethernet PHYs in base station backhaul units from lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: First-stage transient suppressor on twisted-pair line side, coordinated with GDT or MOV secondary protection. Use Value: Limits clamped voltage to ≤344 V, preserving isolation barrier integrity and preventing data corruption during 1 kV/0.5 kA surge tests. |
Use Scenario: Protecting gate drivers and MCU GPIOs in washing machine motor inverters from commutation spikes generated by BLDC motor windings. IC Role / Device Role / Timing Role: Localized clamp across half-bridge driver supply rails and feedback sensing nodes to suppress <100 ns rise-time transients. Use Value: Reduces risk of false triggering or shoot-through in IGBT/MOSFET gates by limiting voltage overshoot to safe levels during PWM switching transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ250CA | Surface-mount SMB package; same VWM/VC specs but higher IPPM (3.2 A); lower RθJA (50 °C/W). | Preferred for space-constrained PCBs and automated SMT assembly; unsuitable for through-hole or high-vibration mechanical mounting. | Select SMBJ250CA when board real estate is limited and thermal management via copper pour is feasible. |
| 1.5KE250CA | Higher PPPM (1500 W); larger DO-201AD package; identical VWM/VBR/VC ratings; same DO-41 pin-compatible footprint but longer body. | Used where higher single-event surge margin is required (e.g., AC mains input stages), not for signal-line protection. | Choose 1.5KE250CA only if system-level surge testing exceeds 400 W capability and mechanical fit allows larger case. |
Compared with SMBJ250CA and 1.5KE250CA, P4KE250C-E3/73 offers optimal balance of axial-leaded mechanical robustness, proven AEC-Q101 compatibility (in HE3 form), and cost-effective 400 W protection for mid-tier industrial and automotive signal-line applications - without requiring PCB redesign or thermal enhancement.
Availability
P4KE250C-E3/73 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC inputs, telecom line protection, and consumer appliance motor control requiring stable component supply and traceable RoHS-compliant sourcing.
Supply support for P4KE250C-E3/73 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, TVS devices, and power MOSFETs with emphasis on reliability, automotive qualification, and industrial-grade performance.
The P4KE series belongs to Vishay's TRANSZORB® family of transient voltage suppressors, engineered specifically for robust, bidirectional overvoltage protection in harsh electromagnetic environments across automotive, industrial, and telecom infrastructure.
FAQ
What is the polarity configuration of P4KE250C-E3/73?
P4KE250C-E3/73 is a bidirectional TVS diode, meaning it conducts equally in both forward and reverse directions above its breakdown voltage. Unlike unidirectional variants (e.g., P4KE250A), it has no cathode band marking and is intended for AC or floating signal line protection where polarity reversal may occur during transients.
Does P4KE250C-E3/73 meet AEC-Q101 qualification?
The P4KE250C-E3/73 itself is RoHS-compliant commercial-grade; however, the HE3-suffixed variant (P4KE250C-HE3/73) is explicitly AEC-Q101 qualified per Vishay documentation. For automotive applications requiring stress-test validation, the HE3 version must be specified - the E3 suffix alone does not imply automotive qualification.
What is the maximum clamping voltage of P4KE250C-E3/73 under surge conditions?
The maximum clamping voltage (VC) of P4KE250C-E3/73 is 344 V, measured at a peak pulse current (IPPM) of 1.2 A using the standard 10/1000 μs waveform. This value defines the upper voltage limit imposed on protected circuitry during transient events and is critical for ensuring downstream component survival.
Can P4KE250C-E3/73 replace P4KE250A in a design?
No - P4KE250C-E3/73 is bidirectional while P4KE250A is unidirectional; they differ in conduction behavior and marking. Substituting one for the other without circuit review risks failure during reverse-polarity transients or improper biasing. Layout and schematic must be verified for symmetry before interchange.
What is the thermal resistance specification for P4KE250C-E3/73?
P4KE250C-E3/73 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). These values inform heatsinking decisions and derating curves - especially important when operating near the 175 °C maximum junction temperature in enclosed environments.
P4KE250C-E3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AL, DO-41, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 202V
- Voltage - Breakdown (Min):
- 225V
- Voltage - Clamping (Max) @ Ipp:
- 360V
- Current - Peak Pulse (10/1000µs):
- 1.1A
- 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)
P4KE250C-E3/73 FAQ
1.How can I place an order for P4KE250C-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4KE250C-E3/73 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 P4KE250C-E3/73 reliable?
The price and inventory of P4KE250C-E3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4KE250C-E3/73 is usually 5 days.
3.What payment methods are accepted for P4KE250C-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4KE250C-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4KE250C-E3/73?
P4KE250C-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4KE250C-E3/73 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 P4KE250C-E3/73?
For technical support, including P4KE250C-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4KE250C-E3/73 requirements.
6.How does Aetrix verify that P4KE250C-E3/73 is sourced from the original manufacturer or authorized distributors?
All P4KE250C-E3/73 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 P4KE250C-E3/73 meets industry standards.
7.What is the process for return or replacement of P4KE250C-E3/73?
All P4KE250C-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with P4KE250C-E3/73, 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 P4KE250C-E3/73 part is unused and in its original packaging.
Return procedure for P4KE250C-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4KE250C-E3/73 Tags
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