The TPSMA11A is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. It's designed to safeguard sensitive electronic components from voltage transients caused by events such as lightning strikes, inductive load switching, and electrostatic discharge (ESD). This diode is part of the SMA series, known for their compact size and robust performance.

Applications

• I/O port protection
• Power supply protection
• Data line protection
• Automotive applications
• Industrial control systems

Features

• SMA package: Provides a small footprint for high-density PCB layouts.
• Unidirectional configuration: Offers surge protection in a single direction.
• High surge current capability: Can withstand large surge currents without degradation.
• Low clamping voltage: Limits the voltage across the protected device during a surge.
• Fast response time: Quickly clamps transient voltages to protect downstream components.

Benefits

• Robust transient protection: Prevents damage to sensitive electronics from voltage surges.
• Improved system reliability: Reduces the risk of system failures caused by transient events.
• Simplified design: Minimizes the need for additional protection circuitry.
• Compact size: Allows for use in space-constrained applications.
• Compliance with industry standards: Meets industry requirements for surge protection.

Technical Specifications

The TPSMA11A features a standoff voltage of 11V and a breakdown voltage between 12.2V and 13.5V. The peak pulse power is 400W. The clamping voltage at peak pulse current is approximately 18.2V. The operating temperature range extends from -55°C to +150°C. The device exhibits low incremental surge resistance.

This TVS diode is an ideal choice for protecting sensitive electronics from transient voltage surges. Its small size, high surge capability, and rapid response time make it suitable for a variety of applications requiring robust surge protection.