The SMAJ15A-E3/61T is a surface-mount Transient Voltage Suppressor (TVS) diode manufactured by Vishay Semiconductors. It is designed to protect sensitive electronic equipment from voltage transients caused by inductive switching, lightning, and electrostatic discharge (ESD). This device is part of the SMAJ series and comes in a compact SMA (DO-214AC) package.

Applications

• I/O port protection
• VCC bus protection
• Data line protection
• Microprocessor protection
• Set-top boxes
• Industrial control systems

Features

• SMA (DO-214AC) package
• Uni-directional TVS diode
• Glass passivated chip junction
• Stand-off Voltage: 15V
• Peak Pulse Power: 400W (10/1000 μs waveform)
• Low profile package
• Excellent clamping capability
• Fast response time: Typically less than 1.0 ps
• High temperature soldering guaranteed: 260 °C/10 seconds at terminals
• Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
• Material categorization: For definitions of compliance please see www.vishay.com/doc?99912
• RoHS Compliant

Benefits

• Provides transient protection for sensitive electronics
• Saves board space due to its compact size
• High surge current capability for reliable operation
• Reduces failures at system level
• Protects against ESD and electrical fast transients
• Increases product reliability and lifespan

Additional Details

The SMAJ15A-E3/61T features a breakdown voltage between 16.7V and 18.5V and a clamping voltage of 24.4V at a peak pulse current of 8.2A. Its operating temperature range is typically from -65°C to +150°C. The uni-directional configuration means it is designed for protecting DC circuits, suppressing positive transients. The device is lead-free and meets relevant industry standards for environmental compliance.