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P4SMA250A from VISHAY

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P4SMA250A

Manufacturer: VISHAY, GS

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

Partnumber Manufacturer Quantity Availability
P4SMA250A VISHAY, GS 120000 In Stock

Description and Introduction

ARK Electronics - Surface Mount Transient Voltage Suppressors Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V The **P4SMA250A** from **VISHAY** is a high-performance **surface-mount TVS diode** designed to protect sensitive electronic circuits from transient voltage spikes. This component is part of the **P4SMA series**, known for its robust surge-handling capabilities and fast response time, making it ideal for applications in power supplies, communication systems, and industrial electronics.  

With a **standoff voltage of 250V** and a **peak pulse power rating of 400W**, the P4SMA250A effectively clamps transient voltages to safe levels, preventing damage to downstream components. Its **low clamping voltage** ensures minimal stress on protected circuits, while the **fast response time** (typically in nanoseconds) provides reliable protection against ESD, lightning-induced surges, and other transient events.  

The **SMA/DO-214AC package** offers a compact footprint, making it suitable for space-constrained designs. Additionally, the P4SMA250A is **RoHS compliant**, meeting environmental and safety standards.  

Engineers often select this TVS diode for its **high reliability and durability** in harsh environments, ensuring long-term performance in automotive, telecommunications, and industrial applications. Its combination of **high surge capability and compact size** makes it a preferred choice for modern circuit protection solutions.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SMAJ250A --: Same SMA package unidirectional TVS with 250V standoff voltage and comparable clamping performance, widely available and pin-compatible.
  • SMBJ250A --: Unidirectional 250V TVS with similar surge rating; SMB package is slightly larger but offers higher power dissipation and is a common drop-in upgrade.
  • 1.5SMC250A --: 1500W unidirectional TVS at 250V standoff in SMC package, providing higher surge capability as a robust alternative when board space allows.
  • SMAJ250A --: Same SMA package unidirectional TVS diode with 250V standoff voltage and similar clamping performance, widely available from a major supplier.
  • SMBJ250A --: Unidirectional 250V TVS diode with comparable surge rating; SMB package is slightly larger but electrically compatible in most designs.
  • 1.5SMC250A --: 250V unidirectional TVS diode with higher 1500W peak pulse power, offering a robust drop-in style alternative when extra surge margin is acceptable.

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