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P4SMA300A from VISHAY

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P4SMA300A

Manufacturer: VISHAY, GS

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

Partnumber Manufacturer Quantity Availability
P4SMA300A VISHAY, GS 58100 In Stock

Description and Introduction

ARK Electronics - Surface Mount Transient Voltage Suppressors Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V The **P4SMA300A** from **VISHAY** is a high-performance **surface-mount transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transients. With a **standoff voltage of 300V** and a **peak pulse power dissipation of 400W**, this component is ideal for applications requiring robust overvoltage protection in a compact form factor.  

Featuring a **low clamping voltage**, the P4SMA300A ensures minimal stress on protected circuits while effectively diverting transient currents away from critical components. Its **fast response time** makes it suitable for safeguarding against electrostatic discharge (ESD), lightning-induced surges, and other transient events in power lines, data communication systems, and industrial electronics.  

Encased in a **DO-214AC (SMA) package**, the P4SMA300A combines durability with space efficiency, making it a reliable choice for modern PCB designs. Its **high surge capability** and **low leakage current** further enhance its performance in demanding environments.  

Engineers frequently integrate the P4SMA300A into **telecommunications equipment, automotive electronics, and power supply units**, where reliable transient suppression is essential for maintaining system integrity. Its compliance with industry standards ensures consistent performance, making it a trusted solution for circuit protection challenges.  

By mitigating voltage transients efficiently, the P4SMA300A helps extend the lifespan of electronic systems while reducing downtime and repair costs.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SMAJ300A --: Same SMA package unidirectional TVS diode with 300V standoff voltage and comparable clamping performance, widely available and pin-compatible.
  • SMBJ300A --: Unidirectional 300V TVS diode with similar surge rating; SMB package is slightly larger but electrically equivalent and often used as a drop-in upgrade.
  • 1.5SMC300A --: Higher power 1500W unidirectional TVS at 300V standoff in SMC package, offering greater surge margin for the same application.
  • SMAJ300A --: Same SMA package unidirectional TVS diode with 300V standoff voltage and comparable clamping performance, widely available from a major TVS supplier.
  • SMBJ300A --: Unidirectional 300V TVS diode with similar electrical ratings; SMB package is slightly larger but offers higher surge capability and is a common drop-in upgrade.
  • 1.5SMC300A --: 300V unidirectional TVS diode in SMC package with higher peak pulse power, suitable when board space allows and extra surge margin is desired.

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