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P6KE39A from VISHAY

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P6KE39A

Manufacturer: VISHAY, VIS, EIC, ST, GS

600 WATT PEAK POWER TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
P6KE39A VISHAY, VIS, EIC, ST, GS 21740 In Stock

Description and Introduction

600 WATT PEAK POWER TRANSIENT VOLTAGE SUPPRESSORS # Introduction to the P6KE39A Transient Voltage Suppressor  

The **P6KE39A** from ST is a high-performance **transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transients. This component is part of the **P6KE series**, known for its fast response time and robust clamping capabilities.  

With a **standoff voltage of 33.3V** and a **breakdown voltage range of 36.7V to 40.5V**, the P6KE39A is optimized for applications requiring protection against overvoltage events. It offers a **peak pulse power dissipation of 600W** (10/1000μs waveform), making it suitable for suppressing high-energy transients in industrial, automotive, and communication systems.  

Key features include:  
- **Low clamping voltage** for effective circuit protection  
- **Fast response time** (nanosecond range) to minimize damage  
- **Unidirectional polarity** for protection against positive voltage surges  
- **RoHS compliance** for environmental safety  

Common applications include **power supplies, data lines, and communication ports**, where transient suppression is critical. The P6KE39A provides a reliable solution for safeguarding sensitive components against electrostatic discharge (ESD), lightning-induced surges, and other transient threats.  

Engineers favor this component for its balance of performance, durability, and cost-effectiveness in demanding electrical environments.

Application Scenarios & Design Considerations

600 WATT PEAK POWER TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • 1N6284A --: Unidirectional 1500W transient voltage suppressor with similar 33.3V standoff and 45.7V clamping, a common axial-leaded alternative to the P6KE series.
  • SMAJ33A --: Surface-mount 400W TVS diode with 33V standoff and 53.3V clamping, suitable when lower power and SMD package are acceptable.
  • SMBJ33A --: 600W SMB surface-mount unidirectional TVS with 33V standoff and 53.3V clamping, offering higher surge capability than SMAJ in a compact package.
  • 1N6284A --: Unidirectional 1500W transient voltage suppressor with 33.3V standoff and 45.7V clamping, close electrical match to the P6KE39A in a similar axial package.
  • SMAJ36A --: 400W unidirectional TVS with 36V standoff and 58.1V clamping; lower power rating but suitable for many surge protection designs and available in compact SMA package.
  • SMBJ36A --: 600W unidirectional TVS diode with 36V standoff and 58.1V clamping, offering a good balance of surge capability and size for replacing the P6KE39A.
  • 1N6283A --: Unidirectional 1500W TVS diode with 39V standoff voltage, functionally equivalent to P6KE39A and widely available.
  • SMBJ39A --: 600W unidirectional TVS diode with 39V standoff voltage in SMB package, suitable drop-in replacement for lower power applications.
  • P6SMB39A --: 600W unidirectional TVS diode with 39V standoff voltage in SMB package, similar clamping characteristics to P6KE39A.
  • 1.5KE39A --: Higher power rating (1500W vs 600W) unidirectional TVS diode with the same 39V standoff voltage and similar clamping characteristics; widely available and a common upgrade path.
  • SMAJ39A --: Surface-mount 400W unidirectional TVS diode with 39V standoff voltage; suitable when a smaller SMD package and lower power rating are acceptable.
  • SA39A --: 500W unidirectional TVS diode with 39V standoff voltage in an axial package; close electrical match to the original for general transient protection.
  • 1N6284A --: Unidirectional 1500W TVS diode with 39V standoff voltage, functionally equivalent to P6KE39A and widely available.
  • SMBJ39A --: 600W unidirectional TVS diode with 39V standoff, lower power rating but suitable for many clamping applications as a smaller SMB package alternative.
  • P6SMB39A --: 600W SMB-package unidirectional TVS with 39V standoff voltage, drop-in style alternative with different series naming.

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