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Thermistors

121 Series

Standard glass probe. -60 °C to 300 °C [-76 °F to 572 °F].

Overview
121 Series

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]
Manuals and Guides
Name
Description
File Size
Date
Size
Temperature Sensors Line Guide
application/pdf 293.8 KB
7/16/2021
293.8 KB
Brochure
Name
Description
File Size
Date
Size
Industrial Applications: Going Beyond Limits
application/pdf 16.68 MB
2/11/2025
16.68 MB
Application Note
Name
Description
File Size
Date
Size
Construction Vehicles -
application/pdf 984.29 KB
12/20/2022
984.29 KB
Solutions for Hematology Analyzers
application/pdf 2.26 MB
6/12/2023
2.26 MB
Agricultural Vehicles
application/pdf 1.11 MB
4/11/2024
1.11 MB
Solutions for Molecular Diagnostics
application/pdf 2.61 MB
6/12/2023
2.61 MB
Name
Description
File Size
Date
Size
Industrial Applications: Going Beyond Limits
application/pdf 16.68 MB
2/11/2025
16.68 MB
Temperature Sensors Line Guide
application/pdf 293.8 KB
7/16/2021
293.8 KB
Construction Vehicles -
application/pdf 984.29 KB
12/20/2022
984.29 KB
Solutions for Hematology Analyzers
application/pdf 2.26 MB
6/12/2023
2.26 MB
Agricultural Vehicles
application/pdf 1.11 MB
4/11/2024
1.11 MB
Solutions for Molecular Diagnostics
application/pdf 2.61 MB
6/12/2023
2.61 MB
Showing 1 to 10 of 27 parts
Product Number
Part Number
Description
Leaf Category
Thumbnail
121-102EAC-Q01
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-102EAC-Q01
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-102EAJ-Q01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-102EAJ-Q01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAC-Q01
TEMPERATURE PROBE
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAC-Q01
TEMPERATURE PROBE
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAC-Q02
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAC-Q02
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAD-S03
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAD-S03
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAF-Q01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAF-Q01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAJ-Q01
121 Series, standard glass probe, 10,000 Ohm resistance, ±20.0% tolerance, 2585 BETA = 3669
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-103FAJ-Q01
121 Series, standard glass probe, 10,000 Ohm resistance, ±20.0% tolerance, 2585 BETA = 3669
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-104KAF-Q01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-104KAF-Q01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-104KAF-W01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-104KAF-W01
THERMAL-THERMISTORS
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-104KAH-Q01
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
121-104KAH-Q01
THERMAL-THERMISTORS GLASS BEADPROB
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
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