Microminiature Signal Relay 3VDC SPDT 1A 12.3x7.3x10.2mm - R-TECH 616401, The R-TECH RTD23 is a microminiature signal relay designed for compact applications where space is limited. This high-sensitivity SPDT relay offers reliable switching of low-level measurement and control signals. It is ideal for use in instrumentation, communications equipment, and other precision electronic circuits. R-TECH 616401 RTD23 Microminiature Signal Relay 24VDC SPDT 1A 12.3x7.3x10.2mm