Product Description
Vintage National Semiconductor three-terminal power semiconductor marked ?231? and ?4471-2.? The device uses a TO-220-style package with three through-hole leads and a metal mounting tab for attachment to a chassis or heatsink. Suitable for replacement, restoration, engineering and legacy electronics applications where this exact marking is required. Exact electrical function and specifications are not confirmed from the photographs, so buyers should verify the part markings, pinout and compatibility before installation.
