The SMAJ11CA-E3/5A is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. It's designed to protect sensitive electronic devices from voltage transients caused by lightning, ESD, and inductive load switching.

Applications

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

Features

• Glass passivated 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 SMAJ11CA-E3/5A has a standoff voltage of 11V and a breakdown voltage of 12.2V. The 'CA' suffix indicates that it is a bidirectional TVS diode. It is packaged in an SMA (DO-214AC) package. This device is RoHS compliant and designed for surface mounting. The fast response time is a crucial parameter for quickly clamping transient voltages.