The 1SMB28CA is a surface mount Transient Voltage Suppressor (TVS) diode manufactured by Central Semiconductor Corp. It is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Applications:

• Protection of I/O Interfaces
• Overvoltage protection in sensitive electronic equipment
• Protection against EFT and ESD
• Automotive applications
• Telecommunications equipment

Features:

• Surface mount package
• Glass passivated chip junction
• Excellent clamping capability
• Low incremental surge resistance
• Fast response time
• Typical IR less than 1 μA above 10V
• 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, improving the reliability of electronic circuits.
• The surface mount package allows for efficient use of board space.
• Fast response time ensures quick protection against transient events.
• Low leakage current minimizes power consumption.
• High surge capability provides protection against high-energy transients.

Additional Details:

The 1SMB28CA features a standoff voltage of 28V and a breakdown voltage between 31.1V and 34.4V. It has a peak pulse power dissipation of 600W. The operating and storage temperature range is -55°C to +150°C. The device is RoHS compliant.

The 1SMB series from Central Semiconductor are designed with quality construction and are used in a wide variety of applications requiring transient voltage protection.