The SA22CA-E3/73 is a transient voltage suppressor (TVS) diode manufactured by Vishay. It's designed to protect sensitive electronic components from voltage transients caused by inductive load switching, lightning strikes, and electrostatic discharge (ESD). The 'CA' suffix indicates it provides bidirectional protection, suitable for both positive and negative voltage transients.

Applications:

• I/O Ports: Protection of input/output ports in electronic devices.
• Data Lines: Safeguards data lines from transient voltage spikes.
• Microcontroller Protection: Protects microcontrollers from overvoltage events.
• Automotive Electronics: Transient voltage protection in automotive systems.
• Industrial Equipment: Protection of sensitive components in industrial machinery.

Features:

• Bidirectional Protection: Protects against both positive and negative voltage transients.
• Stand-off Voltage: 22V stand-off voltage.
• Peak Pulse Power: High peak pulse power dissipation capability.
• Low Clamping Voltage: Limits the voltage across the protected device during a transient event.
• Fast Response Time: Responds quickly to transient voltage spikes.
• AEC-Q101 Qualified: Meets automotive industry standards for reliability.

Benefits:

• Reliable Protection: Provides robust protection against transient voltage events.
• Automotive Qualified: Suitable for use in automotive applications.
• Easy to Use: Simple to integrate into circuit designs.
• Compact Size: Small package size for space-constrained applications.
• Long Lifespan: Designed for long-term reliability.

Technical Specifications:

• Stand-off Voltage (Vrwm): 22V
• Breakdown Voltage (Vbr): Typically higher than Vrwm
• Clamping Voltage (Vc): Specified clamping voltage at a given peak pulse current
• Peak Pulse Power (Pppm): Maximum peak pulse power dissipation
• Operating Temperature: -55°C to +175°C
• Package: DO-214AA (SMB)