The SMBJ12A-C is a transient voltage suppression (TVS) diode manufactured by Littelfuse. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). This is a Unidirectional TVS Diode in a SMB package.

Applications

• LED Lighting Surge Protection
• Protection of sensitive electronic equipment
• Surge protection for data and signal lines
• Overvoltage protection for I/O interfaces
• Use in industrial control systems

Features

• Unidirectional TVS diode
• Surface mount SMB package
• Glass passivated junction
• Fast response time
• Excellent clamping capability
• Typical IR less than 1 μA above 12 V
• High temperature soldering guaranteed: 260 °C/10 seconds at terminals

Benefits

• Provides robust overvoltage protection for sensitive circuits
• Compact size allows for use in space-constrained applications
• High surge capability ensures reliable protection against transient events
• Fast response time minimizes voltage overshoot
• Easy to integrate into existing designs

Technical Specifications

The SMBJ12A-C has a standoff voltage of 12V. Its maximum peak pulse power dissipation is 600 W. It is designed to operate over a temperature range of -55 °C to +150 °C.

The SMBJ12A-C utilizes a glass passivated junction, which provides high reliability and stability. The device's construction meets stringent quality standards, making it suitable for demanding applications where overvoltage protection is critical.