The SMBJ43CA-001 is a surface mount transient voltage suppression (TVS) diode manufactured by Littelfuse. It's designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). This TVS diode is part of the SMBJ series, known for its compact size and high surge capability.

Applications

• Protection of I/O interfaces
• Protection of VCC bus
• Automotive electronics
• Industrial controls
• Telecom equipment
• Medical devices

Features

• Surface mount SMB package
• Glass passivated chip junction
• Unidirectional and bidirectional versions available
• Excellent clamping capability
• Low incremental surge resistance
• Typical IR less than 1 μA above 10V
• Fast response time: typically less than 1.0 ps from 0 Volts to BV min
• High temperature soldering guaranteed: 260°C/10 seconds at terminals
• Plastic material has UL flammability classification 94V-0

Benefits

• Provides robust protection against voltage transients, enhancing the reliability of electronic circuits.
• Compact SMB package allows for easy integration into space-constrained applications.
• Fast response time ensures rapid clamping of transient voltages.
• High surge capability provides protection against high-energy transients.
• Low leakage current minimizes power consumption.

Additional Details

The SMBJ43CA-001 has a standoff voltage of 43V and a breakdown voltage of 48V. It features a peak pulse power dissipation of 600W at 10/1000μs waveform. The operating junction temperature range is -55°C to +150°C. This TVS diode meets or exceeds industry standards for surge protection, ensuring compliance with regulatory requirements.