The SMAJ33CAHM2 is a surface-mount transient voltage suppressor (TVS) diode manufactured by Taiwan Semiconductor. It is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), inductive load switching, and other transient voltage events.

Applications

• Protection of I/O interfaces
• Voltage surge protection in consumer electronics
• Protection in industrial control systems
• Telecom and datacom systems protection
• Power supply protection

Features

• Surface mount package
• Low profile
• Glass passivated junction
• Excellent clamping capability
• Fast response time: Typically less than 1.0 ps from 0 Volts to BV min
• Typical IR less than 1 μA above 10V
• High temperature soldering guaranteed: 260°C/10 seconds at terminals
• Plastic material used carries Underwriters Laboratory Flammability Classification 94V-0

Benefits

• Provides robust protection against transient voltage events, enhancing the reliability of electronic systems.
• Compact size makes it suitable for high-density PCB layouts.
• Fast response time ensures quick clamping of transient voltages, preventing damage to sensitive components.
• High surge capability ensures the device can withstand high transient currents without failure.
• Reduces field failures and warranty claims by protecting against voltage surges.

Additional Details

The SMAJ33CAHM2 features a standoff voltage of 33V and a breakdown voltage between 36.7V and 40.8V. It has a peak pulse power dissipation of 400W (10/1000μs waveform). The clamping voltage is 53.3V at a peak pulse current of 7.5A. The operating junction temperature range is -55°C to +150°C. The device is RoHS compliant and Halogen-Free.

The SMAJ33CAHM2 is commonly used in applications where space is a constraint and reliable transient voltage protection is required. Its bidirectional capability makes it suitable for protecting circuits against both positive and negative voltage transients.