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P4SMA540CA from VISHAY

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P4SMA540CA

Manufacturer: VISHAY

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA540CA VISHAY 55000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **P4SMA540CA** from **VISHAY** is a high-performance **transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transients. This surface-mount component offers robust **unidirectional** protection, making it ideal for applications where fast response times and high surge capabilities are critical.  

With a **standoff voltage of 40V** and a **breakdown voltage ranging from 44.4V to 49.1V**, the P4SMA540CA ensures reliable clamping during overvoltage events. It features a **peak pulse power dissipation of 400W** (10/1000μs waveform), providing excellent surge protection in a compact **DO-214AC (SMA) package**.  

Key applications include **power supplies, communication systems, automotive electronics, and industrial controls**, where transient suppression is essential for maintaining circuit integrity. The diode’s low leakage current and fast response time (typically **<1.0ps**) enhance its efficiency in safeguarding against electrostatic discharge (ESD) and lightning-induced surges.  

Engineers favor the **P4SMA540CA** for its **high reliability, compact form factor, and compliance with industry standards**, ensuring consistent performance in demanding environments. Its robust construction and precise voltage clamping make it a preferred choice for modern electronic designs requiring dependable overvoltage protection.

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