The 9001-12-01 is a 4-pin moulded SIP Reed Relay with diode. This 9001-series SIP relay is the industry standard when high reliability and consistent performance are desired in a compact package. High reliability, hermetically sealed contacts for long life (tested up to 1 billion operations).
High insulation resistance
High speed switching compared to electromechanical relays
Moulded thermoset body on integral lead frame design