Inventa Electro Systems [Nasik] Pvt. Ltd offers Small Size Solid State Relay with Heat Sink. Inventa Electro Systems [Nasik] Pvt. Ltd supplies a wide range of electronic components, modules and systems for various industrial applications. The Small Size Solid State Relay with Heat Sink is a miniature TO3 type module that provides good heat capacity. The Small Size Solid State Relay can be mounted on heat sink and has a voltage range of 240V AC and 100V DC.