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Vishay General Semiconductor - Diodes Division P6KE39-E3/54
- Part No.:
- P6KE39-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
P6KE39-E3/54.pdf
- Description:
- TVS DIODE 31.6VWM 56.4VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,784
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Product details
Overview
P6KE39-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 39 V breakdown voltage (VBR = 37.1–41.0 V at IT = 1.0 mA), 53.9 V maximum clamping voltage (VC) at 11.1 A peak pulse current, 600 W peak pulse power rating (10/1000 μs waveform), and DO-204AC (DO-15) package. It is used to protect MOSFETs, ICs, and sensor interfaces against inductive switching transients and ESD in industrial power supplies.
For engineers reviewing the P6KE39-E3/54 datasheet, P6KE39-E3/54 pinout, P6KE39-E3/54 application, or P6KE39-E3/54 equivalent, key selection criteria include its unidirectional polarity, 33.3 V stand-off voltage (VWM), 1.0 μA max reverse leakage at VWM, 175 °C max junction temperature, and AEC-Q101 qualification status for automotive-grade reliability validation.
Technical Context
The P6KE39-E3/54 operates as a silicon avalanche diode with glass-passivated junction, enabling fast response (<1 ns) to transient overvoltages and low incremental surge resistance. Its clamping behavior is defined by a well-characterized VBR–VC relationship: at 11.1 A IPPM, it limits voltage to ≤53.9 V while dissipating 600 W for <1 ms - critical for protecting downstream 3.3 V/5 V logic and 48 V industrial controllers.
Thermally, it exhibits RθJL = 20 °C/W (junction-to-lead) and RθJA = 75 °C/W (junction-to-ambient), supporting operation up to 175 °C with derating above 25 °C ambient. The matte tin-plated leads comply with J-STD-002 and JESD 22-B102 solderability standards, and the E3 suffix confirms JESD 201 Class 1A whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 37.1 V / 41.0 V at 1.0 mA test current - defines reliable avalanche initiation threshold for overvoltage detection |
| VWM | 33.3 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 μA |
| VC @ IPPM | 53.9 V at 11.1 A - clamping voltage during 600 W transient, ensuring protected circuit sees <54 V |
| IPPM | 11.1 A (10/1000 μs) - peak surge current capability compatible with IEC 61000-4-5 Level 4 testing |
| PPPM | 600 W - peak pulse power handling enables robust protection against lightning-induced surges |
| TJ max. | 175 °C - high-temperature rating supports use in enclosed industrial enclosures and under-hood automotive zones |
| Package | DO-204AC (DO-15) - industry-standard axial leaded package with 0.300" lead spacing, UL 94 V-0 molded epoxy |
Pinout & Package
DO-204AC (DO-15) package: axial-leaded, cylindrical epoxy-molded case with cathode band marking. Leads are matte tin-plated, 0.300" (7.6 mm) minimum length, 0.034" (0.86 mm) diameter.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., GND or return path); conducts during forward surge events |
| Cathode (banded end) | Avalanche clamping terminal | Connected to protected line (e.g., +12 V rail); avalanches into conduction when VAK > VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable, repeatable avalanche characteristics and long-term reliability under repetitive surge stress |
| 600 W peak pulse power (10/1000 μs) | Withstands IEC 61000-4-5 combination wave surges without degradation in industrial control inputs |
| 0.01 % duty cycle rating | Supports intermittent surge events (e.g., relay coil de-energization) without thermal runaway |
| AEC-Q101 qualified (E3 suffix variant) | Validated for automotive power electronics per stress test requirements including HTGB, HTRB, and TCT |
| UL 94 V-0 flammability rating | Molding compound prevents flame propagation in safety-critical power supply assemblies |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of gate drivers and current-sense amplifiers against back-EMF spikes from brushed DC motor commutation. IC Role / Device Role / Timing Role: Unidirectional TVS placed across motor supply rail to clamp negative flyback transients to ≤54 V. Use Value: Prevents latch-up or permanent damage to 3.3 V microcontrollers and isolated gate drivers during 100 V+ inductive kick events. |
Use Scenario: Input protection for LIN bus transceivers and window lift control ICs exposed to load dump and jump-start conditions. IC Role / Device Role / Timing Role: Primary clamping device on 12 V battery feed line, activated within <1 ns of overvoltage onset. Use Value: Limits voltage to <54 V during ISO 7637-2 Pulse 5a (load dump), preserving functionality of 5 V LDOs and CAN/LIN PHYs. |
| Consumer Power Adapters | Telecom DC Power Distribution |
Use Scenario: Secondary-side overvoltage suppression in 5 V/9 V USB-C PD adapters after primary-side regulation. IC Role / Device Role / Timing Role: Standoff-rated TVS (VWM = 33.3 V) placed across output capacitor to absorb residual switching transients. Use Value: Eliminates need for additional RC snubbers while maintaining tight 5.0 ±5% output regulation under dynamic load steps. |
Use Scenario: Protection of -48 V telecom rectifier outputs against lightning-induced surges entering via copper distribution lines. IC Role / Device Role / Timing Role: First-stage clamping device on -48 V DC bus, coordinated with upstream gas discharge tube (GDT). Use Value: Clamps induced surges to <54 V before reaching DC/DC converters, meeting Telcordia GR-1089-CORE Level 3 immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36A | DO-214AA package; 36 V VBR (34.2–37.8 V); 58.1 V VC @ 10.3 A; same 600 W rating | Surface-mount footprint reduces board area but requires reflow-compatible layout; lower thermal resistance (RθJA ≈ 40 °C/W) | Select SMBJ36A for space-constrained PCBs where automated assembly and higher thermal efficiency are prioritized over through-hole serviceability. |
| 1.5KE39A | Same DO-204AC package; identical VBR/VC specs; 1.5 kW peak power (10/1000 μs); higher IPPM = 38.9 A | Higher surge capacity suits harsher environments (e.g., railway signaling), but larger junction capacitance may affect high-speed signal integrity | Select 1.5KE39A when legacy designs require higher single-pulse margin without changing footprint or polarity configuration. |
Compared with SMBJ36A and 1.5KE39A, the P6KE39-E3/54 offers optimal balance of axial-leaded mechanical robustness, AEC-Q101 qualification, and cost-effective 600 W protection - making it preferred for field-serviceable industrial controls and automotive body electronics where through-hole mounting and proven reliability are design priorities.
Availability
P6KE39-E3/54 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, consumer power adapters, and telecom DC power distribution requiring stable component supply across multi-year production cycles.
Supply support for P6KE39-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 AEC-Q101 qualification.
The P6KE series was developed for cost-sensitive, high-volume transient suppression in commercial and automotive power systems - delivering standardized 600 W surge capability in the mature DO-15 platform with RoHS-compliant, whisker-resistant terminations.
FAQ
What is the breakdown voltage tolerance of the P6KE39-E3/54?
The P6KE39-E3/54 has a specified breakdown voltage range of 37.1 V to 41.0 V at 1.0 mA test current, representing a ±5.3% tolerance about the nominal 39 V rating. This tight VBR window ensures consistent clamping onset across production lots and supports predictable system-level overvoltage margining in designs using the P6KE39-E3/54.
Is the P6KE39-E3/54 suitable for automotive applications?
Yes - the P6KE39-E3/54 carries the E3 suffix, indicating compliance with AEC-Q101 stress testing for discrete semiconductors. It is qualified for use in automotive body electronics, including window lift controllers, seat position sensors, and LIN bus interfaces where transient immunity to load dump and jump-start events is required. The P6KE39-E3/54 meets all applicable temperature cycling, humidity, and high-temperature reverse bias requirements per the AEC standard.
How does the clamping voltage of the P6KE39-E3/54 compare to its breakdown voltage?
The P6KE39-E3/54 clamps to a maximum of 53.9 V at its rated 11.1 A peak pulse current (10/1000 μs), which is approximately 38% above its minimum breakdown voltage of 37.1 V. This VC/VBR ratio reflects low dynamic impedance during avalanche conduction and ensures protected circuits remain below critical 54 V thresholds even under full-rated surge conditions - a key design parameter verified for every P6KE39-E3/54 unit.
What is the maximum reverse leakage current for the P6KE39-E3/54 at its stand-off voltage?
At its 33.3 V stand-off voltage (VWM), the P6KE39-E3/54 guarantees a maximum reverse leakage current of 1.0 μA at 25 °C ambient. This ultra-low leakage preserves efficiency in always-on power rails and prevents false triggering in high-impedance sensing circuits - a critical specification confirmed in production testing for each P6KE39-E3/54 lot.
Can the P6KE39-E3/54 be used in bi-directional protection configurations?
No - the P6KE39-E3/54 is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. For bi-directional protection, Vishay specifies the CA-suffixed variant (e.g., P6KE39CA), which lacks polarity marking and provides symmetrical clamping in both directions. Using the P6KE39-E3/54 in bi-directional applications would result in forward conduction during negative transients, potentially damaging the device or circuit.
P6KE39-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):
- 31.6V
- Voltage - Breakdown (Min):
- 35.1V
- Voltage - Clamping (Max) @ Ipp:
- 56.4V
- Current - Peak Pulse (10/1000µs):
- 10.6A
- 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)
P6KE39-E3/54 FAQ
1.How can I place an order for P6KE39-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6KE39-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 P6KE39-E3/54 reliable?
The price and inventory of P6KE39-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 P6KE39-E3/54 is usually 5 days.
3.What payment methods are accepted for P6KE39-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6KE39-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6KE39-E3/54?
P6KE39-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6KE39-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 P6KE39-E3/54?
For technical support, including P6KE39-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6KE39-E3/54 requirements.
6.How does Aetrix verify that P6KE39-E3/54 is sourced from the original manufacturer or authorized distributors?
All P6KE39-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 P6KE39-E3/54 meets industry standards.
7.What is the process for return or replacement of P6KE39-E3/54?
All P6KE39-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with P6KE39-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 P6KE39-E3/54 part is unused and in its original packaging.
Return procedure for P6KE39-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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