This part is a kind of semiconductor called SC10-S-DC12V.

Function of this product has PCB Relay.

Manufacturers : LEONE

Image and pinout :

Some of the text within the PDF file :

SC10 PCB SC10 - S - DC12V Relay Type: Sealing: S : Plastic Sealed Type Coil Voltage:- 6 ~ 48VDC Dimension L * W * H (mm) Features Terminal Type Weight Contact Form Contact Data Contact Material Contact Capacity Coil Voltage ( DC) Coil Power Consumption 19 * 15.5 * 15.5 PCB 10.5 gm Approximately 1A, 1C Ag Alloy 10A @300VAC, 10A @ 28VDC 6 ~ 48 VDC 0.36W Coil Voltage Coil Resistance (Ω) ±10% 100 400 1600 Pull in Voltage (VDC) 80% 80% 80% Drop Out Voltage (VDC) 5% 5% 5% Coil Data Coil Specification 6 VDC 12 VDC 24 VDC Dielectric Strength Insulation Resistance Electrical Life Mechanical Life Operating Temperature 750 VAC @ 50 Hz / Min (Between Open Contacts) 1500 VAC @ 50 Hz / Min ( Between Coil & Contacts) 250MΩ 1 x 105 1 x 107 - 40 °C ~ + 70°C General Data Mounting Diagram App [ ... ]

SC10-S-DC12V PDF Datasheet Download