SMAJ Series TVS Diodes

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The Littelfuse SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 400W surface mount devices are available in both unidirectional and directional versions with reverse stand-off voltages ranging from 5V to 440V.


• RoHS compliant- matte tin Pb-free plated
• Halogen-free and RoHS compliant
• For surface mounted applications in order to optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping
• 400 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