TDK B57164K0101J000 NTC Temperature sensor -55 up to +125 °C 100 Ω

Model (sensors): NTC; Product size (height): 2 mm; Product size (length): 36 mm; Product size (width): 5 mm; Product size (Ø): 5.50 mm; Resistance: 100 Ω; Temperature reading range (max.): +125 °C; Temperature reading range (min.): -55 °C

Price: £ 1.29 from Conrad Electronic