This part is a kind of semiconductor called SCK-083.

Function of this product has THERMISTORS.

Manufacturers : Microtherm

Image and pinout :

Some of the text within the PDF file :

NTC THERMISTORS - SCK 10 Series Features: q NTC Surge Protectors limit the current at switch on, particularly useful for high capacative/inductive loads. Order code SCK _ _ Zero Power Resistance _ Steady State Current 0.8 Thermistors NTC Part No. SCK-2R55A SCK-054 SCK-083 SCK-103 SCK-162 SCK-202 SCK-501X SCK-801 SCK-1201 Zero Power Resistance at 25°C (W) 2.5 5 8 10 16 20 50 80 120 Max. Steady (25°C Ambient) State Current Approx. at 25°C Resistance (A) (W) 5 0.120 4 0.180 3 0.278 3 0.297 2 0.604 2 0.646 1.5 1.170 1 2.236 1 2.406 Thermal Dissipation Constant (mw/°C) 18 17 17 17 18 17 18 17 19 Thermal time Constant (Sec.) 46 33 43 46 55 54 48 53 54 Operating Temp. (°C) -40~+170 -40~+170 -40~+170 -40~+170 -40~+170 -40~+170 -40~+170 -40~+170 -40~+170 Microtherm Ltd, Guildf [ ... ]

SCK-083 PDF Datasheet Download