SMCJ Series TVS Diodes

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The Littelfuse SMCJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 1500W surface mount devices are available in both unidirectional and directional versions with reverse stand-off voltages ranging from 5V to 440V.


• Halogen-free and RoHS compliant
• For surface mount applications in order to optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping capability Repetition Rate (duty cycle): 0.05%
• Fast response time: typically less than 1.0ps from 0 Volts to V(BR) min.
• Typical IR less than 1mA above 10V
• High temperature soldering: 250 degrees C/10 seconds at terminals
• Plastic package has underwriters laboratory flammability 94V-O
• 1500 Watt power rating


• I/O interfaces
• Consumer electronics
• External power supply
• Switch-mode power supply
• Automotive electronics: media players, audio/video/data/power docks & inputs