BTS4140NHUMA1

BTS4140NHUMA1 is an Infineon Technologies Classic PROFET single-channel smart high-side switch in a PG-SOT223-4 package, for 24 V automotive and industrial loads over a recommended 4.9 V to 60 V operating range. It is a protected low-current switch: 0.2 A nominal load current, 0.2 A minimum current limit and 0.9 A short-circuit current, with maximum power dissipation of 1.7 W over −40 to +150 °C — sized for lamps, relays, solenoids and sensor supplies rather than power distribution. Selection advice: Infineon's current product page lists the full orderable part number as BTS4140NHUMA1 with status 'active and preferred' and planned availability until at least 2039, which makes it a safe long-life pick for legacy 24 V designs; the bare BTS4140N is the page name, so match the HUMA1 suffix for the SOT-223 tape-and-reel packing. Parameters verified against Infineon documentation.