The L401E3 is a 4A 400V TRIAC made by Littelfuse, supplied in a TO-92 package. Main ratings: Max. Gate Turn-On Voltage 1.3V; Peak Off-State Voltage 400V; On-State Current 1.0A; Gate Current 25mA. This page brings together the L401E3 key specifications, with the full datasheet PDF to preview below or download.
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