The SMBJ15CA-E3/1 is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. It's specifically designed to safeguard sensitive electronic components against voltage transients caused by phenomena like lightning strikes, electrostatic discharge (ESD), and inductive switching.

Applications

• Protection of I/O interfaces
• Overvoltage protection in power supplies
• Surge protection in consumer electronics
• Industrial control systems
• Telecommunications equipment
• Medical equipment

Features

• Glass passivated chip junction
• Available in unidirectional and bidirectional versions
• Excellent clamping capability
• Low incremental surge resistance
• Fast response time
• Typical IR less than 1 μA above 10 V
• AEC-Q101 qualified available
• Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
• Plastic package has underwriters laboratory flammability classification 94 V-0

Benefits

• Provides robust overvoltage protection
• Increases system reliability
• Reduces component failures due to voltage surges
• Simple to integrate into circuit designs
• Cost-effective protection solution
• High surge capability protects against harsh transient environments

Additional Details

The SMBJ15CA-E3/1 has a standoff voltage of 15V and a breakdown voltage of 16.7V. The 'CA' suffix denotes that it is a bidirectional TVS diode. It comes in an SMB (DO-214AA) package and is designed for surface mounting. This component is RoHS compliant and provides a fast response time, which is critical for rapidly clamping transient voltages and safeguarding downstream circuitry.