This part is a kind of semiconductor called 10K3A1A.

Function of this product has Chip Thermistors.

Manufacturers : BetaTHERM

Image and pinout :

Some of the text within the PDF file :

BetaTHERM Sensors BetaCurve Interchangeable Thermistor Series I Thermistor Configuration 32 AWG Tin Plated Copper Alloy Lead Wires Thermally Conductive Epoxy Coating 2.413mm (0.095Ó) Max. Dia. 76.2mm +/-3.3mm (3.00Ó +/-0.13Ó) Example: BetaCURVE Series I Part Number 10K 3 A 1 A Tolerance Classification BetaCURVE Series Epoxy Coated Material Curve # Resistance Value @ 25oC BetaCurve Interchangeable Thermistor Series I Applications ¥ Temperature sensing, control and compensation. ¥ Medical equipment and patient monitoring. ¥ Aerospace instrumentation and crystal oscillator compensation. ¥ Liquid or gas temperature control and monitoring. ¥ Assembly into probes for a wide variety of applications. Features ¥ Rapid Time Response (1 second typical in liquids). ¥ DC (Dissip [ ... ]

10K3A1A PDF Datasheet Download