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P4SMA15A from LITTEIFUSE

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P4SMA15A

Manufacturer: LITTEIFUSE, VISHAY

ARK Electronics - Surface Mount Transient Voltage Suppressors Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V

Partnumber Manufacturer Quantity Availability
P4SMA15A LITTEIFUSE, VISHAY 68270 In Stock

Description and Introduction

ARK Electronics - Surface Mount Transient Voltage Suppressors Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V **Introduction to the P4SMA15A TVS Diode by LITTELFUSE**  

The **P4SMA15A** is a surface-mount **transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transient events. Manufactured by **LITTELFUSE**, this component offers robust **15V clamping** capability, making it suitable for applications in power supplies, communication systems, and industrial electronics where overvoltage protection is critical.  

With a **peak pulse power rating of 400W** (10/1000µs waveform), the P4SMA15A provides reliable surge suppression while maintaining a low clamping voltage. Its **bidirectional configuration** ensures protection against both positive and negative voltage transients, enhancing circuit resilience. The compact **DO-214AC (SMA) package** allows for easy integration into space-constrained designs without compromising performance.  

Key features include a **fast response time**, ensuring rapid reaction to transient events, and **low leakage current**, which minimizes power loss during normal operation. These characteristics make the P4SMA15A an efficient solution for safeguarding components against ESD, lightning-induced surges, and other electrical disturbances.  

Engineers often select the P4SMA15A for its balance of performance, durability, and compact form factor, making it a dependable choice for modern electronic protection needs.

Application Scenarios & Design Considerations

ARK Electronics - Surface Mount Transient Voltage Suppressors Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V

Alternative Part Number

  • SMAJ15A --: Same SMA package unidirectional TVS with 15V standoff and similar clamping, direct functional equivalent.
  • SMBJ15A --: Higher power SMB package unidirectional TVS at 15V standoff, offers more surge margin and is widely available.
  • 1SMA15AT3G --: SMA package 15V unidirectional TVS from an alternate vendor with comparable ratings and drop-in footprint.
  • SMAJ15A --: Same SMA package unidirectional TVS diode with 15V standoff and 400W peak pulse power, a widely available drop-in replacement.
  • SMBJ15A --: Unidirectional 15V TVS diode with 600W peak pulse power in SMB package; higher surge rating and commonly used as an upgrade substitute.
  • 1SMA15AT3G --: SMA-package unidirectional 15V TVS diode with 400W rating, electrically equivalent and from a different series naming.

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