The SMCJ64HE3/9AT is a surface-mount Transient Voltage Suppressor (TVS) diode from Vishay. It's designed to protect sensitive electronic components from voltage transients caused by ESD (Electrostatic Discharge), EFT (Electrical Fast Transients), and lightning.

Applications

• Protection of sensitive electronic equipment from voltage transients
• I/O interface protection
• Automotive electronics
• Industrial control systems
• Telecommunications equipment

Features

• Surface mount SMC package
• Glass passivated junction
• Low profile package
• Excellent clamping capability
• Low incremental surge resistance
• Typical IR less than 1 μA above 10 V
• AEC-Q101 qualified available
• Compliant to RoHS directive 2011/65/EU and in accordance to WEEE 2002/96/EC

Benefits

• Provides reliable overvoltage protection for sensitive circuits.
• Reduces the risk of damage from transient voltage events.
• The surface-mount package allows for efficient board assembly.
• High surge capability ensures robust protection against significant transients.
• The AEC-Q101 qualification makes it suitable for automotive applications.

Additional Details

The SMCJ64HE3/9AT has a reverse standoff voltage of 64 V and a breakdown voltage between 71.1V and 78.7V. The device has a peak pulse power of 1500 W at 10/1000 μs waveform. The operating temperature range is -55°C to +150°C. It's designed for fast response times to transient voltage events. The low clamping voltage protects downstream components from excessive voltage. It's RoHS compliant, indicating adherence to environmental regulations. The maximum clamping voltage at peak pulse current is typically around 103.7V. The device is commonly used in automotive and industrial applications where robust protection is required. It meets Moisture Sensitivity Level 1, per J-STD-020, LF maximum peak of 260 °C.