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P6KE400ARL from STM,ST Microelectronics

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P6KE400ARL

Manufacturer: STM, ST

Transil™, transient voltage surge suppressor (TVS)

Partnumber Manufacturer Quantity Availability
P6KE400ARL STM, ST 21800 In Stock

Description and Introduction

Transil™, transient voltage surge suppressor (TVS) The **P6KE400ARL** 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 robust surge-handling capabilities and fast response time, making it ideal for applications requiring reliable overvoltage protection.  

With a **standoff voltage of 342V** and a **breakdown voltage range of 380V to 420V**, the P6KE400ARL efficiently clamps transient voltages to safe levels. Its **600W peak pulse power** (10/1000μs waveform) ensures robust protection against high-energy surges, such as those caused by lightning or inductive load switching.  

The diode features a **unidirectional** configuration, making it suitable for DC circuits where polarity must be maintained. Its **low clamping voltage** and **fast response time** (typically in nanoseconds) minimize stress on downstream components.  

Common applications include **power supplies, automotive systems, industrial controls, and telecommunications equipment**, where transient suppression is critical. The P6KE400ARL is housed in a **DO-15 package**, ensuring easy integration into circuit designs while maintaining high reliability.  

Engineers favor this TVS diode for its balance of performance, durability, and cost-effectiveness, making it a trusted solution for safeguarding electronics against voltage transients.

Application Scenarios & Design Considerations

Transil™, transient voltage surge suppressor (TVS)

Alternative Part Number

  • 1N6377 --: Unidirectional 400V-class transient voltage suppressor in a different series, suitable for similar clamping protection.
  • BZW04-400 --: 400V unidirectional TVS diode with comparable peak pulse power, different naming series for easy distinction.
  • SMAJ400A --: Surface-mount 400V unidirectional TVS alternative with similar clamping characteristics, different package and series.
  • 1.5KE400A --: Higher power 1500W unidirectional TVS in the 1.5KE series with 400V standoff, a common upgrade for P6KE400A applications.
  • SMAJ400A --: Surface-mount 400W unidirectional TVS with 400V standoff, suitable when a smaller SMD package is acceptable.
  • P6SMB400A --: 600W SMB-packaged unidirectional TVS with 400V standoff, similar rating to the original in a different series.

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