HITFETBTS 941 is a smart lowside power switch with logic level input, ESD input protection, thermal shutdown, overload protection, short circuit protection, overvoltage protection, current limitation, maximum current adjustable with external resistor, current sense, status feedback with external input resistor, analog driving possible.
The Siemens BTS 941 HitFET is a smart low‑side power switch featuring logic‑level input, built‑in protection functions and adjustable current limit. It is designed for resistive, inductive and capacitive loads in 12 V and 24 V DC applications, replacing electromechanical relays.
The document provides maximum ratings, detailed electrical characteristics, protection functions, thermal data and package dimensions, along with ordering codes and regulatory notes for designers and engineers.
| Drain‑source voltage (VDS) | 60 V |
|---|---|
| Power dissipation (Ptot) | 149 W |
| Unclamped single pulse inductive energy | 4000 mJ |
| Thermal resistance, junction‑to‑case | 0.84 K/W |
The device can tolerate up to 60 V between drain and source.
It can dissipate up to 149 W under the specified conditions.
The device can handle an unclamped single pulse inductive energy of 4000 mJ.