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Vishay General Semiconductor - Diodes Division P6KE350-E3/54
- Part No.:
- P6KE350-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE350-E3/54.pdf
- Description:
- TVS DIODE 284VWM 504VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:4,668
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Product details
Overview
P6KE350-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 333 V minimum breakdown voltage (VBR), 300 V standoff voltage (VWM), 482 A peak pulse current (IPPM), 600 W peak pulse power (PPPM), and clamps to ≤482 V at rated surge - used in automotive power supply input stages, industrial PLC I/O modules, and telecom line interface protection.
For engineers reviewing the P6KE350-E3/54 datasheet, P6KE350-E3/54 pinout, P6KE350-E3/54 application, or P6KE350-E3/54 equivalent, key selection criteria include its DO-204AC (DO-15) axial package, unidirectional polarity with cathode band marking, 175 °C max junction temperature, and AEC-Q101 qualification status for automotive-grade reliability validation.
Technical Context
The P6KE350-E3/54 operates as a silicon avalanche diode with glass-passivated junction, delivering fast response (<1 ns) to transient events such as ESD, lightning-induced surges, and inductive switching spikes. Its clamping behavior is defined by a 10/1000 μs waveform test condition and exhibits low incremental surge resistance for stable voltage limiting under high-current transients.
Thermal performance is characterized by 20 °C/W junction-to-lead thermal resistance (RθJL) and 75 °C/W junction-to-ambient (RθJA). It supports repetitive surge duty cycles up to 0.01 % and complies with JESD 22-B106 solder dip requirements (275 °C, 10 s).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 300 V - Maximum continuous reverse operating voltage before leakage exceeds 1 μA; defines safe DC bias margin. |
| VBR (min/max) | 333 V / 368 V at 1 mA test current - Ensures predictable avalanche onset across manufacturing lot and temperature range. |
| VC @ IPPM | ≤482 V at 482 A - Clamping voltage limits downstream component stress during worst-case 10/1000 μs surge event. |
| PPPM | 600 W - Peak surge power handling capability per single 10/1000 μs pulse; validated per Fig. 1 derating curve. |
| IFSM | 100 A - Non-repetitive forward surge rating (8.3 ms half-sine); critical for inrush or fault-current coordination. |
| TJ max | 175 °C - Enables operation in under-hood automotive or high-ambient industrial environments without thermal shutdown. |
| Package | DO-204AC (DO-15) - Axial-leaded, UL 94 V-0 molded epoxy case; compatible with through-hole wave soldering and manual assembly. |
Pinout & Package
DO-204AC (DO-15) axial package with matte tin-plated leads. Cathode identified by color band on body end; anode is opposite lead. Leads meet J-STD-002 and JESD 22-B102 solderability standards. E3 suffix denotes RoHS-compliant commercial grade with JESD 201 Class 1A whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked lead) | Forward conduction path input | Connected to protected circuit ground or low-side return; conducts during forward surge events (e.g., reverse-bias misapplication). |
| Cathode (banded lead) | Avalanche clamping node | Connected to protected line (e.g., +12 V rail); initiates avalanche breakdown when reverse voltage exceeds VWM. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable, repeatable avalanche characteristics and long-term reliability under repeated surge stress. |
| 600 W peak pulse power (10/1000 μs) | Supports robust protection against IEC 61000-4-5 Level 4 (4 kV) surges without degradation. |
| AEC-Q101 qualified (E3 suffix variant not qualified; HE3 is) | P6KE350-E3/54 is commercial grade; for automotive use, P6KE350HE3/54 must be selected per AEC-Q101 stress test requirements. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes let-through voltage to sensitive downstream ICs while maintaining margin above VWM. |
| UL 94 V-0 flammability rating | Ensures flame-retardant encapsulation meets safety standards for enclosed industrial and telecom equipment. |
Applications
| Automotive Power Input Protection | Industrial PLC Digital I/O Protection |
|---|---|
|
Use Scenario: 12 V/24 V battery-fed ECUs exposed to load dump (ISO 7637-2 Pulse 5a) and jump-start transients. IC Role / Device Role / Timing Role: Primary clamping device placed at main power entry point before DC-DC converter input. Use Value: Limits transient voltage to ≤482 V, preventing damage to upstream fuse boxes and downstream regulators rated for 40 V absolute max. |
Use Scenario: 24 V digital input channels in programmable logic controllers subject to field-wiring induced surges. IC Role / Device Role / Timing Role: Unidirectional TVS shunting inductive kickback from solenoid/relay coils back to common rail. Use Value: Responds in <1 ns to clamp 482 A surge within 10/1000 μs, protecting optocoupler input stages and microcontroller GPIO pins. |
| Telecom Line Interface Protection | Consumer Appliance Motor Drive Protection |
|
Use Scenario: RS-485/RS-232 data lines in base station equipment subjected to lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Paired unidirectional TVS devices on each line referenced to chassis ground. Use Value: Maintains signal integrity with <1 pF junction capacitance at zero bias while suppressing >1 kV transients. |
Use Scenario: Brushed DC motor control circuits in white goods where commutation spikes exceed 300 V. IC Role / Device Role / Timing Role: Mounted across motor terminals to absorb inductive energy during PWM switching transitions. Use Value: Absorbs 600 W peak energy without failure, enabling reliable operation over 100,000+ motor start-stop cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ330A | DO-214AA (SMB) surface-mount package; 330 V VWM, 367 V VBR min, 484 V VC @ 480 A. | Requires PCB re-layout for SMT placement; lower RθJA (50 °C/W) enables higher ambient operation in dense layouts. | Select SMBJ330A when board space is constrained and automated assembly is required. |
| 1.5KE350A | DO-201AD (axial) package; identical VWM/VBR/VC specs but rated for 1.5 kW peak power (10/1000 μs) and 1000 A IPPM. | Higher surge capacity suits infrequent but extreme transients (e.g., utility grid coupling); larger physical size increases mounting clearance needs. | Select 1.5KE350A when system-level surge testing requires >600 W margin or legacy DO-201AD footprint compatibility is mandatory. |
Compared with SMBJ330A and 1.5KE350A, the P6KE350-E3/54 offers optimal balance of proven axial-mount reliability, cost efficiency, and 600 W surge handling for high-volume industrial and automotive power rail protection - without requiring layout changes or premium surge headroom.
Availability
P6KE350-E3/54 is available at Aetrix Electronics and suitable for automotive power distribution units, industrial programmable logic controller (PLC) modules, and telecom infrastructure equipment requiring stable component supply and consistent DO-15 form factor compliance.
Supply support for P6KE350-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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, power efficiency, and application-specific optimization.
The P6KE series belongs to Vishay's TransZorb® TVS family, engineered for cost-effective, high-surge-capability overvoltage protection in commercial and industrial systems where space, thermal management, and standardized axial packaging are critical.
FAQ
What is the maximum clamping voltage of the P6KE350-E3/54 under rated surge conditions?
The P6KE350-E3/54 has a maximum clamping voltage (VC) of 482 V when subjected to its rated 482 A peak pulse current (IPPM) using the standard 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88369 and ensures downstream components see no more than 482 V during worst-case transient events. The P6KE350-E3/54 maintains this clamping performance across its specified operating temperature range of –55 °C to +175 °C.
Is the P6KE350-E3/54 suitable for automotive applications requiring AEC-Q101 qualification?
No - the P6KE350-E3/54 carries the E3 suffix, indicating RoHS-compliant commercial grade only. For AEC-Q101 qualified use in automotive applications, the P6KE350HE3/54 variant must be selected, as explicitly stated in the "MECHANICAL DATA" section of Vishay document 88369. The P6KE350-E3/54 lacks the extended stress testing (e.g., HTGB, TCT, AC-H3TRB) required for AEC-Q101 certification, though it shares identical electrical parameters with the HE3 version.
What is the standoff voltage (VWM) and why is it critical for P6KE350-E3/54 selection?
The P6KE350-E3/54 has a standoff voltage (VWM) of 300 V, meaning it remains non-conductive with leakage <1 μA up to this DC or RMS voltage. This parameter is critical because it must exceed the maximum normal operating voltage of the protected line - e.g., a 277 VAC input rectified to ~390 VDC would require a higher-VWM device. Selecting a P6KE350-E3/54 for a 300 V nominal system provides 0 % margin; design best practice mandates ≥10–15 % headroom, making it appropriate for 255–270 VDC rails.
How does the DO-204AC (DO-15) package of the P6KE350-E3/54 affect thermal performance?
The DO-204AC (DO-15) package of the P6KE350-E3/54 delivers a typical junction-to-lead thermal resistance (RθJL) of 20 °C/W and junction-to-ambient (RθJA) of 75 °C/W. This means effective heat dissipation relies heavily on lead termination to copper pour or heatsinked pads. In free-air conditions, the 5.0 W steady-state power dissipation (PD) is limited; however, during transient suppression, energy is absorbed capacitively and thermally in short bursts, allowing the P6KE350-E3/54 to handle 600 W peaks without exceeding 175 °C junction temperature.
Can the P6KE350-E3/54 be used in bidirectional configurations?
No - the P6KE350-E3/54 is a unidirectional TVS diode, identifiable by its cathode band marking. Bidirectional operation requires the CA-suffixed variant (e.g., P6KE350CA), which has symmetrical breakdown in both polarities and no polarity marking. Using the P6KE350-E3/54 in AC-coupled or floating signal paths risks forward conduction during negative half-cycles, potentially causing malfunction or overheating. Always match the P6KE350-E3/54 polarity to the DC bias direction of the protected node.
P6KE350-E3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 284V
- Voltage - Breakdown (Min):
- 315V
- Voltage - Clamping (Max) @ Ipp:
- 504V
- 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)
P6KE350-E3/54 FAQ
1.How can I place an order for P6KE350-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE350-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 P6KE350-E3/54 reliable?
The price and inventory of P6KE350-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 P6KE350-E3/54 is usually 5 days.
3.What payment methods are accepted for P6KE350-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE350-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE350-E3/54?
P6KE350-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE350-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 P6KE350-E3/54?
For technical support, including P6KE350-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE350-E3/54 requirements.
6.How does Aetrix verify that P6KE350-E3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE350-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 P6KE350-E3/54 meets industry standards.
7.What is the process for return or replacement of P6KE350-E3/54?
All P6KE350-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE350-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 P6KE350-E3/54 part is unused and in its original packaging.
Return procedure for P6KE350-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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