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Overview

121 Series Thermistors are shock resistant, rugged, glass-encapsulated units that are often suited for immersion in fluid and convenient for mounting in air sensor assemblies. Also available in a mini glass probe configuration (120 Series).

  • Dissipation constant in still air: 1,0 mW/°C
  • Time constant in air: 22.0 s
  • Nominal resistance at [25 °F to 77 °F]: 2,000 Ohm, 5,000 Ohm, 10,000 Ohm, 50,000 Ohm, 100,000 Ohm, 1,000,000 Ohm
  • Maximum diameter: 2,54 mm [0.10 in]
  • Termination material: dumet
  • Lead length: 50,8 mm [2.00 in]

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
Medical Products Product Range Guide English 4MB
Temperature Sensors Line Guide Product Line Guide English 290KB

Browse 121 Series Products

Product Resistance Operating Temperature Accuracy
121-103FAJ-Q01 10,000 Ohm -60 °C to 300 °C [-76 °F to 572 °F] 25 °C [77 °F]
121-104KAJ-Q01 100,000 Ohm -60 °C to 300 °C [-76 °F to 572 °F] 25 °C [77 °F]
121-105PAJ-Q01 1,000,000 Ohm -60 °C to 300 °C [-76 °F to 572 °F] 25 °C [77 °F]
121-202EAJ-Q01 2,000 Ohm -60 °C to 300 °C [-76 °F to 572 °F] 25 °C [77 °F]
121-502EAJ-Q01 5,000 Ohm -60 °C to 300 °C [-76 °F to 572 °F] 25 °C [77 °F]
121-503JAJ-Q01 50,000 Ohm -60 °C to 300 °C [-76 °F to 572 °F] 25 °C [77 °F]