The 1SMC43CA is a Transient Voltage Suppressor (TVS) diode from Central Semiconductor Corp, designed to protect electronic circuits from voltage transients caused by inductive load switching, lightning, and electrostatic discharge (ESD). This component is crucial for maintaining the integrity and reliability of sensitive electronic equipment.

Applications

• Protection of sensitive electronic equipment from voltage transients
• I/O interface protection
• Data line protection
• AC and DC line protection
• Microprocessor and memory protection

Features

• Glass passivated junction for reliability
• Excellent clamping capability for effective transient suppression
• Low incremental surge resistance ensures minimal impact on circuit performance
• Fast response time, typically less than 1.0ps from 0 Volts to BV minimum, providing quick protection
• Typical IR less than 1μA above 10V, minimizing leakage current
• High temperature soldering guaranteed, withstanding 260°C for 10 seconds at the terminals
• UL flammability classification 94V-O for the plastic material

Benefits

• Enhances the reliability of electronic systems by protecting against voltage surges
• Extends the lifespan of sensitive components by diverting transient energy
• Reduces downtime and maintenance costs associated with transient-related failures
• Improves overall system performance by preventing disruptions caused by voltage spikes
• Easy to integrate into existing circuit designs due to its standard package

Specifications

The 1SMC43CA has a standoff voltage of 43V and a breakdown voltage ranging from 47.8V to 52.8V. It offers a peak pulse power of 1500W at 10/1000μs. The device is packaged in an SMC (DO-214AB) format and operates within a temperature range of -55°C to +150°C. This TVS diode is designed to provide bidirectional protection, safeguarding circuits from both positive and negative voltage transients.

The 1SMC43CA is suitable for a variety of applications requiring robust overvoltage protection. Its fast response time and high surge capability make it an ideal choice for protecting sensitive electronics in harsh environments. By effectively clamping transient voltages, this TVS diode ensures the continued operation and longevity of valuable electronic equipment.