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P4SMA480CA from VISHAY

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P4SMA480CA

Manufacturer: VISHAY, GS

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA480CA VISHAY, GS 120000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **P4SMA480CA** from **VISHAY** is a high-performance **surface-mount transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transients. This component is part of the **P4SMA series**, known for its reliability and robust surge protection capabilities in a compact **DO-214AA (SMB) package**.  

With a **standoff voltage of 48V** and a **breakdown voltage range of 53.3V to 58.8V**, the P4SMA480CA offers precise clamping performance, ensuring minimal overshoot during transient events. It features a **peak pulse power dissipation of 400W (10/1000μs waveform)**, making it suitable for applications requiring strong surge protection, such as **telecommunications, industrial controls, and automotive electronics**.  

The **low clamping voltage** and **fast response time** help safeguard downstream components from damage caused by electrostatic discharge (ESD), lightning-induced surges, or inductive load switching. Its **bidirectional configuration** provides protection against both positive and negative voltage transients, enhancing versatility in circuit design.  

Engineers favor the P4SMA480CA for its **high reliability, compact footprint, and compliance with industry standards**, making it an ideal choice for modern electronics where space and performance are critical. Whether used in **power supplies, data lines, or communication ports**, this TVS diode delivers dependable overvoltage protection.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMBJ440CA --: Same SMB (DO-214AA) package bidirectional TVS diode with comparable standoff voltage and clamping performance, widely available and pin-compatible.
  • 1SMB440CA --: Bidirectional 400W-class SMB TVS diode offering similar surge protection and voltage rating, suitable drop-in replacement in most circuits.
  • SMAJ440CA --: SMA-package bidirectional TVS diode with similar working voltage; slightly lower power rating but acceptable for many lower-surge applications.
  • SMAJ480CA --: Same SMA package bidirectional 480V TVS diode with comparable clamping performance, widely available from a major supplier.
  • SMBJ480CA --: Bidirectional 480V TVS in SMB package offering higher surge rating and a drop-in upgrade path when board space allows.
  • 1.5SMC480CA --: 1500W bidirectional 480V TVS in SMC package providing higher peak pulse power for more demanding transient protection.

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