SMDJ Series TVS Diodes

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The Littelfuse SMDJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 3000W surface mount devices are available in both unidirectional and directional versions with reverse stand-off voltages ranging from 6.8V to 550V.


• Halogen-Free and RoHS compliant
• Built in strain relief
• Typical maximum temperature coefficient ΔVBR = 0.1% × VBR@25°C
• Glass passivated junction
• 3000W peak pulse capability at 10×1000μs waveform, repetition rate (duty cycles):0.01%
• Fast response time: typically less than 1.0ps from 0 Volts to VBR min
• Excellent clamping capability
• Low incremental surge resistance
• Typical IR less than 2μA above 12V
• High temperature soldering guaranteed: 265°C./10 seconds at terminals
• Plastic package has Underwriters Laboratory Flammability classification 94V-O
• Matte Tin Lead–free plated


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