The STMicroelectronics TDE1798DP is a single-channel, high-side power switch in a through-hole package. It switches a load up to 500 mA from a 6V to 35V supply rail, with both inverting and non-inverting input options for logic interface flexibility. The bipolar output drives solenoids, relays, lamps, or general-purpose resistive and inductive loads in industrial control panels, PLC output modules, and motor-drive auxiliary circuits. Built-in over-temperature protection shuts the output down before the die exceeds safe junction temperature — no external sense resistor needed for basic thermal fault coverage.
Through-hole 8-DIP — board-fit and storage
The through-hole package suits legacy PCB layouts, prototyping, or low-volume builds where hand-assembly or socketing is preferred. Tube shipment means the parts arrive in anti-static tubes — no moisture-sensitive reel to store dry.
Rated for -25°C to 85°C ambient operating temperature. That covers most indoor industrial control cabinets, telecom shelters, and commercial equipment. If the panel sees freezing temperatures or sits next to a heat source, check the thermal derating — the 500 mA maximum assumes adequate airflow at 25°C.