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P4SMA480A from GS

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P4SMA480A

Manufacturer: GS, VISHAY

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

Partnumber Manufacturer Quantity Availability
P4SMA480A GS, VISHAY 120000 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 P4SMA480A TVS Diode  

The **P4SMA480A** is a surface-mount **transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transient events. Manufactured by **GS**, this component offers robust **ESD (electrostatic discharge)** and **surge protection**, making it suitable for applications in **telecommunications, industrial systems, automotive electronics, and power supplies**.  

With a **standoff voltage of 48V** and a **breakdown voltage range of 53.3V to 58.8V**, the P4SMA480A efficiently clamps transient voltages before they reach critical levels. It features a **low clamping voltage** and a **high surge current capability**, ensuring reliable performance under harsh conditions.  

The **SMA (DO-214AC) package** provides a compact footprint, making it ideal for space-constrained PCB designs. Additionally, its **fast response time** (typically in picoseconds) ensures immediate protection against sudden voltage surges.  

Key benefits of the P4SMA480A include:  
- **High power dissipation** for superior surge handling  
- **RoHS compliance**, meeting environmental standards  
- **Wide operating temperature range** for industrial applications  

Engineers often select the P4SMA480A for its **balance of performance, durability, and cost-effectiveness**, making it a preferred choice for transient suppression in modern electronics.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SMAJ480A --: Same SMA package unidirectional TVS diode with 480V standoff voltage and similar clamping performance, widely available and a direct functional substitute.
  • SMBJ480A --: Unidirectional 480V TVS diode with comparable surge rating; SMB package is slightly larger but electrically compatible and easy to substitute in most layouts.
  • 1.5SMC480A --: Higher power 1500W 480V unidirectional TVS in SMC package, offering equal or better surge protection as a robust alternative when board space allows.
  • SMAJ440A --: Same SMA (DO-214AC) package unidirectional TVS diode with a comparable 440V standoff voltage, suitable as a close functional substitute for 480V-class transient suppression.
  • SMBJ480A --: Unidirectional 480V standoff TVS diode in the larger SMB (DO-214AA) package, offering equivalent clamping performance with higher surge capability if board space allows.
  • 1SMA480A --: SMA-package unidirectional TVS diode with 480V standoff voltage, providing a direct form-factor and voltage-class match from an alternate supplier.

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