The SMBJ28A-E3 is a surface-mount Transient Voltage Suppressor (TVS) diode from Vishay. It's designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This device is part of the SMBJ series, known for its compact size and robust protection capabilities.

Applications

• Protection of I/O Interfaces
• Overvoltage transient protection in sensitive electronic equipment.
• DC Power line protection
• AC Power line protection
• Data line protection

Features

• Unidirectional TVS diode
• Surface-mount SMB package
• Low profile package
• Glass passivated junction
• Excellent clamping capability
• Low incremental surge resistance
• Typical IR less than 1 μA above 10 V
• Fast response time: typically less than 1.0 ps from 0 V to BV min
• High temperature soldering guaranteed: 260 °C / 10 seconds at terminals
• Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
• Material categorization: For definitions of compliance please see www.vishay.com/doc?99912

Benefits

• Provides robust protection against transient voltage events, preventing damage to downstream components.
• Compact SMB package saves board space.
• Fast response time ensures quick clamping of transient voltages.
• High surge capability ensures reliable protection in demanding applications.
• Increases the reliability and lifespan of electronic equipment.

Additional Details

The SMBJ28A-E3 has a standoff voltage of 28V. It features a peak pulse power dissipation of 600W. The operating junction temperature range is -55°C to +150°C. Its clamping voltage is specified at a specific test current, providing a clear indication of its protection performance. The device is RoHS compliant.