The SMAJ85A-E3/5A is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. It is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), inductive switching, and other transient voltage events. This TVS diode offers fast response times and high surge capability within a compact SMA package.

Applications

• Protection of I/O Interfaces
• DC Power Lines
• AC Power Lines
• Signal Lines
• Telecom Equipment
• Industrial Control Systems
• Automotive Electronics

Features

• SMA Package
• Unidirectional Configuration
• Glass passivated junction
• Excellent clamping capability
• Low incremental surge resistance
• Fast response time: typically less than 1.0 ps from 0 V to BV min
• Typical IR less than 1 μA above 12 V
• High temperature soldering guaranteed: 260 °C/10 seconds at terminals
• Plastic package has UL flammability classification 94 V-0
• Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
• AEC-Q101 qualified

Benefits

• Provides robust protection against transient voltage threats.
• Reduces downtime and maintenance costs associated with component failure due to voltage surges.
• Enhances the reliability and longevity of electronic equipment.
• Simple to integrate into circuit designs due to its small size and unidirectional configuration.
• Compliant with industry standards for quality and safety.

Additional Details

The SMAJ85A-E3/5A has a standoff voltage of 85V and a breakdown voltage minimum of 94.4V. It's designed to handle a peak pulse power dissipation of 400 W. The operating junction temperature range is -55°C to +150°C. The device is RoHS compliant, ensuring environmental friendliness.