The SMC3K70CA-M3/9A is a surface mount Transient Voltage Suppressor (TVS) diode manufactured by Vishay. This bidirectional TVS diode is designed to protect sensitive electronic equipment from voltage transients induced by lightning strikes, inductive switching, and electrostatic discharge (ESD).

Applications

• I/O ports
• Data lines
• Power lines
• Telecommunication equipment
• Industrial control systems
• Automotive electronics

Features

• Bidirectional TVS Diode: Provides symmetrical overvoltage protection.
• High Surge Capability: Can withstand high surge currents without failure.
• Low Clamping Voltage: Limits the voltage across the protected device during a transient event.
• Fast Response Time: Quickly clamps transient voltages to protect sensitive components.
• Surface Mount Package: Facilitates automated assembly and reduces board space.
• RoHS Compliant: Meets environmental safety standards.

Benefits

• Enhanced System Reliability: Protects against voltage transients and ensures stable operation.
• Extended Equipment Life: Reduces stress on electronic components, increasing lifespan.
• Improved Performance: Prevents system failures caused by overvoltage conditions.
• Simplified Circuit Design: Minimizes the need for other protection components.
• Cost-Effective Solution: Offers reliable protection at a competitive price.

Additional Details

The SMC3K70CA-M3/9A has a standoff voltage (VRWM) of 70V and a breakover voltage (VBR) typically between 77.8V and 85.8V. It features a peak pulse power dissipation of 3000W. The clamping voltage (VC) is approximately 113V at a peak pulse current (IPP). The device is packaged in an SMC (DO-214AB) package suitable for surface mount assembly. The operating junction temperature range generally spans from -55°C to +150°C. This bidirectional TVS diode is designed to protect electronic circuits from damaging voltage surges by quickly clamping the voltage to a safe level.

This Transient Voltage Suppressor is commonly used in a wide range of electronic systems to provide robust protection against voltage transients. Its compliance with industry standards and robust design make it a dependable choice for diverse electronic devices. It is particularly suitable for protecting sensitive equipment from lightning strikes, inductive switching, and ESD events.