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Vishay General Semiconductor - Diodes Division P6KE350CA-E3/73
- Part No.:
- P6KE350CA-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE350CA-E3/73.pdf
- Description:
- TVS DIODE 300VWM 482VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:9,836
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Product details
Overview
P6KE350CA-E3/73 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a 300 V standoff voltage (VWM), 333–368 V breakdown voltage (VBR) at 1 mA, 482 A peak pulse current (IPPM), and clamps to ≤482 V at that current - enabling reliable suppression of lightning-induced surges and inductive switching transients in industrial power supplies.
For engineers reviewing the P6KE350CA-E3/73 datasheet, P6KE350CA-E3/73 pinout, P6KE350CA-E3/73 application, or P6KE350CA-E3/73 equivalent, this device is evaluated for high-energy transient immunity in 24–48 V DC systems, PCB-level surge protection per IEC 61000-4-5 (10/1000 μs), and AEC-Q101-compliant designs where bidirectional clamping without polarity sensitivity is required.
Technical Context
This TVS operates as a voltage-clamped shunt protector: under normal conditions it presents <1.0 μA leakage at 300 V; when a transient exceeds VBR, it avalanches rapidly (<1 ns response) to limit voltage across protected circuitry. Its DO-15 package provides low thermal resistance (RθJL = 20 °C/W) and supports 600 W peak pulse power (10/1000 μs waveform) with 0.01% duty cycle.
It is rated for -55 °C to +175 °C junction temperature, qualified to AEC-Q101 (HE3 suffix variants), and features glass-passivated junction construction for stable parametric performance and reliability in harsh environments - including automotive engine control units and industrial motor drives exposed to repetitive load-switching noise.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 300 V - Maximum continuous reverse operating voltage before significant leakage; defines safe DC rail voltage ceiling for protection. |
| VBR min/max | 333 V / 368 V at 1 mA - Confirmed avalanche initiation range; ensures predictable turn-on across production lot and temperature. |
| VC @ IPPM | ≤482 V at 482 A - Clamping voltage under full-rated 10/1000 μs surge; determines maximum stress on downstream ICs or MOSFETs. |
| PPPM | 600 W - Peak pulse power handling capability; enables compliance with Level 4 IEC 61000-4-5 (4 kV line-to-line) testing. |
| IPPM | 482 A - Peak pulse current capacity; sets minimum trace width and fuse coordination requirements in PCB layout. |
| TJ max | +175 °C - Maximum junction temperature rating; supports operation in under-hood automotive or enclosed industrial enclosures. |
| Package | DO-15 (DO-204AC) - Standard axial-leaded through-hole package; compatible with legacy wave-solder and hand-solder processes. |
Pinout & Package
DO-15 (DO-204AC) package: axial-leaded, molded epoxy body, matte tin-plated leads compliant with J-STD-002 and JESD 22-B102. Bidirectional construction means no polarity marking; both terminals are functionally identical.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient current path | Both terminals conduct equally during positive or negative transients; no orientation required during placement. |
| Leads (anode & cathode) | Thermal and electrical interface | Provide mechanical anchoring and heat conduction to PCB copper; RθJL = 20 °C/W enables 5 W steady-state dissipation with adequate pad copper. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines (e.g., RS-485, CAN bus) without polarity concerns. |
| 600 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 surge immunity up to 4 kV in 2 Ω/12 Ω source impedance configurations. |
| AEC-Q101 qualified (HE3 variant) | Validated for automotive powertrain and chassis applications requiring zero-defect reliability under thermal cycling and vibration. |
| Glass-passivated junction | Ensures stable VBR and low leakage over 10+ years in humid or high-bias environments (e.g., outdoor telecom cabinets). |
| UL 94 V-0 molding compound | Meets flammability safety requirements for enclosed industrial equipment and medical power supplies. |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
|
Use Scenario: Protection of gate drivers and current-sense amplifiers against flyback voltage spikes from 24 V solenoid and relay coils. IC Role / Device Role / Timing Role: Shunt clamping element placed across DC bus or signal input to divert >400 A transients within <1 ns. Use Value: Prevents latch-up or permanent damage to isolated gate drivers (e.g., Si823x) and precision op-amps (e.g., INA240) during frequent load switching. |
Use Scenario: Surge suppression on LIN bus lines and sensor supply rails (e.g., ambient temperature, rain sensor) in passenger compartment modules. IC Role / Device Role / Timing Role: Bidirectional voltage clamp limiting transients to <482 V during battery dump or load-dump events. Use Value: Maintains communication integrity during ISO 7637-2 Pulse 5a (75 V/200 ms) and prevents microcontroller reset or EEPROM corruption. |
| Telecom Power Feeds | Renewable Energy Inverters |
|
Use Scenario: Input-stage protection of 48 V DC-DC converters powering remote radio units in LTE/5G base stations. IC Role / Device Role / Timing Role: Primary overvoltage clamp on secondary-side distribution rails subjected to induced lightning surges. Use Value: Limits voltage excursion to <482 V during 10/1000 μs surges, preserving isolation barrier integrity and avoiding optocoupler failure. |
Use Scenario: DC link protection in solar string inverters exposed to grid-switching transients and nearby lightning strikes. IC Role / Device Role / Timing Role: Parallel-connected TVS on PV input stage to clamp fast-rising common-mode surges before MPPT controller input. Use Value: Enables compliance with IEC 61000-4-5 Level 4 (4 kV line-earth) without adding bulkier MOV-based solutions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ350CA | Same VWM/VBR range but SMC (DO-214AB) surface-mount package; 600 W rating; lower RθJA (50 °C/W vs. 75 °C/W). | Requires rework of PCB layout for SMD assembly; better suited for high-density, automated manufacturing. | Select SMBJ350CA when board space is constrained and reflow soldering is available; retains same clamping performance. |
| 1.5KE350CA | Higher 1500 W peak power rating; same DO-15 package; VBR 333–368 V; larger junction area increases capacitance (~150 pF vs. ~50 pF). | Higher energy absorption suits infrequent but extreme surges (e.g., utility substation proximity); added capacitance may affect high-speed signal lines. | Choose 1.5KE350CA only if system-level testing confirms need for >600 W margin and signal bandwidth permits higher CJ. |
Compared with SMBJ350CA and 1.5KE350CA, P6KE350CA-E3/73 delivers optimal balance of proven through-hole manufacturability, 600 W surge handling, and low junction capacitance - making it ideal for cost-sensitive, medium-volume industrial and automotive applications where DO-15 compatibility and AEC-Q101 traceability are prioritized.
Availability
P6KE350CA-E3/73 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, telecom power feeds, and renewable energy inverters requiring stable component supply with full RoHS and AEC-Q101 documentation traceability.
Supply support for P6KE350CA-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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6KE series targets cost-effective, high-surge-capability transient protection for commercial and automotive-grade systems - delivering standardized DO-15 TVS performance with validated thermal and surge endurance for real-world inductive and lightning threats.
FAQ
What is the standoff voltage (VWM) of the P6KE350CA-E3/73?
The P6KE350CA-E3/73 has a standoff voltage (VWM) of 300 V - the maximum DC or RMS voltage the device can withstand continuously without entering avalanche conduction. This value ensures reliable operation on 24–48 V DC systems while maintaining <1.0 μA leakage current at rated temperature, directly supporting long-term stability in power supply monitoring circuits.
Is the P6KE350CA-E3/73 bidirectional or unidirectional?
The P6KE350CA-E3/73 is a bidirectional TVS diode, indicated by the "CA" suffix. Its symmetrical structure allows identical clamping behavior for both positive and negative transients, eliminating polarity concerns during PCB placement - a critical advantage for protecting AC-coupled interfaces like RS-485, CAN, or transformer-isolated power rails.
What is the clamping voltage (VC) of the P6KE350CA-E3/73 at its rated peak pulse current?
The P6KE350CA-E3/73 clamps to a maximum of 482 V at its rated peak pulse current (IPPM) of 482 A under a 10/1000 μs waveform. This VC value defines the upper voltage limit imposed on protected circuitry during worst-case surge events and is verified per Figure 1 and Table on page 2 of Vishay document 88369.
Does the P6KE350CA-E3/73 meet automotive qualification standards?
The P6KE350CA-E3/73 carries the E3 suffix, indicating RoHS-compliant commercial grade; however, the HE3 variant (e.g., P6KE350CAHE3/73) is AEC-Q101 qualified. For automotive applications requiring formal qualification, specify the HE3 version - the P6KE350CA-E3/73 itself is not AEC-Q101 certified but shares identical electrical and thermal specs.
What package type does the P6KE350CA-E3/73 use, and what are its key mechanical features?
The P6KE350CA-E3/73 uses the DO-15 (DO-204AC) axial-leaded package: 2.54 mm lead diameter, 3.3–3.5 mm body diameter, and 25.4 mm minimum lead length. Its molded epoxy body meets UL 94 V-0 flammability, and matte tin-plated leads ensure solderability per J-STD-002 - enabling compatibility with wave soldering, selective soldering, and manual rework processes.
P6KE350CA-E3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 300V
- Voltage - Breakdown (Min):
- 333V
- Voltage - Clamping (Max) @ Ipp:
- 482V
- Current - Peak Pulse (10/1000µs):
- 1.2A
- Power - Peak Pulse:
- 600W
- 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-204AC (DO-15)
P6KE350CA-E3/73 FAQ
1.How can I place an order for P6KE350CA-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE350CA-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 P6KE350CA-E3/73 reliable?
The price and inventory of P6KE350CA-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 P6KE350CA-E3/73 is usually 5 days.
3.What payment methods are accepted for P6KE350CA-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE350CA-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE350CA-E3/73?
P6KE350CA-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE350CA-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 P6KE350CA-E3/73?
For technical support, including P6KE350CA-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE350CA-E3/73 requirements.
6.How does Aetrix verify that P6KE350CA-E3/73 is sourced from the original manufacturer or authorized distributors?
All P6KE350CA-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 P6KE350CA-E3/73 meets industry standards.
7.What is the process for return or replacement of P6KE350CA-E3/73?
All P6KE350CA-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE350CA-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 P6KE350CA-E3/73 part is unused and in its original packaging.
Return procedure for P6KE350CA-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6KE350CA-E3/73 Tags
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