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Thermostats

3500 Series

Military. Hermetically sealed. Tight tolerances & differentials. SPST contacts. Mounting brackets, terminals.

The 3500 Series consists of a single pole, single throw switch activated by a snap action bimetal disc. Temperature calibrations are pre-set at the factory, and each unit is 100% thermally and mechanically inspected. It is available to open or close on temperature rise. The case is laser welded to form a hermetically sealed steel housing, with a glass-to-metal seal at the terminal junction. It meets or exceeds the requirements of MIL-S- 24236 and is designed specifically for military and commercial aircraft applications. It is not QPL listed (see 3MS1).

Features
  • Hermetically sealed
  • Tight tolerances
  • Tight differentials
  • Hi-Rel
Potential Applications
  • Military and commercial aircraft

Others

  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
    • MIL-STD-202, Method 307; 0.050 Ohm max.
  • Thermal Shock
    • MIL-STD-202, Method 107; Cond. B
  • Humidity
    • MIL-STD-202, Method 106
  • Insulation Resistance
    • MIL-STD-202, Method 302; 500 MOhm
  • Thermostat Environmental Exposure Range
    • -65 °C to 260 °C [-85 °F to 500 °F]
  • Vibration
    • MIL-STD-202, Method 204; 20 G
  • Salt Spray
    • MIL-STD-202, Method 101; Cond. B
  • Agency Approvals and Standards
    • Meets or exceeds requirements of MIL-PRF-24236
    • MIL-PRF-24236
  • Operating Temperature
    • -51 °C to 204 °C [-60 °F to 400 °F]
    • -46 °C to 204 °C [-50 °F to 400 °F]
  • Shock
    • MIL-STD-202, Method 213; 400 G
  • Acceleration Range/Limits
    • MIL-STD-202, Method 212; 20 G
  • Seal Type
    • MIL-STD-202, Method 112; Cond. C
  • Dielectric Strength
    • MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case

Others

  • Thermostat Contact Resistance
    • MIL-STD-202, Method 307; 0.050 Ohm
    • MIL-STD-202, Method 307; 0.050 Ohm max.
  • Thermal Shock
    • MIL-STD-202, Method 107; Cond. B
  • Humidity
    • MIL-STD-202, Method 106
  • Insulation Resistance
    • MIL-STD-202, Method 302; 500 MOhm
  • Thermostat Environmental Exposure Range
    • -65 °C to 260 °C [-85 °F to 500 °F]
  • Vibration
    • MIL-STD-202, Method 204; 20 G
  • Salt Spray
    • MIL-STD-202, Method 101; Cond. B
  • Agency Approvals and Standards
    • Meets or exceeds requirements of MIL-PRF-24236
    • MIL-PRF-24236
  • Operating Temperature
    • -51 °C to 204 °C [-60 °F to 400 °F]
    • -46 °C to 204 °C [-50 °F to 400 °F]
  • Shock
    • MIL-STD-202, Method 213; 400 G
  • Acceleration Range/Limits
    • MIL-STD-202, Method 212; 20 G
  • Seal Type
    • MIL-STD-202, Method 112; Cond. C
  • Dielectric Strength
    • MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
  • Thermostat Contact Resistance : MIL-STD-202, Method 307; 0.050 Ohm|MIL-STD-202, Method 307; 0.050 Ohm max.
  • Thermal Shock : MIL-STD-202, Method 107; Cond. B
  • Humidity : MIL-STD-202, Method 106
  • Insulation Resistance : MIL-STD-202, Method 302; 500 MOhm
  • Thermostat Environmental Exposure Range : -65 °C to 260 °C [-85 °F to 500 °F]
  • Vibration : MIL-STD-202, Method 204; 20 G
  • Salt Spray : MIL-STD-202, Method 101; Cond. B
  • Agency Approvals and Standards : Meets or exceeds requirements of MIL-PRF-24236|MIL-PRF-24236
  • Operating Temperature : -51 °C to 204 °C [-60 °F to 400 °F]|-46 °C to 204 °C [-50 °F to 400 °F]
  • Shock : MIL-STD-202, Method 213; 400 G
  • Acceleration Range/Limits : MIL-STD-202, Method 212; 20 G
  • Seal Type : MIL-STD-202, Method 112; Cond. C
  • Dielectric Strength : MIL-STD-202, Method 301; 1250 Vac 60 Hz - Terminal to Case
Data Sheet
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
application/pdf 5.15 MB
10/7/2021
5.15 MB
Manuals and Guides
Name
Description
File Size
Date
Size
Aerospace and Defense Product Range Guide -
application/pdf 16.36 MB
11/17/2022
16.36 MB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
application/pdf 33.28 KB
10/7/2021
33.28 KB
Precision Thermostat Selection Guide
application/pdf 258.21 KB
10/7/2021
258.21 KB
Thermal Sensors Product Range Guide
application/pdf 993.29 KB
10/7/2021
993.29 KB
Soldering Wire Leads on Precision Hermetic Thermostats
application/pdf 216.61 KB
10/7/2021
216.61 KB
Thermostats Line Guide
application/pdf 455.96 KB
10/7/2021
455.96 KB
Technical Note
Name
Description
File Size
Date
Size
Industrial Product Line Card
application/pdf 2.24 MB
10/24/2022
2.24 MB
Application Note
Name
Description
File Size
Date
Size
Defence Ground Vehicles -
application/pdf 872.87 KB
10/25/2022
872.87 KB
Construction Vehicles -
application/pdf 984.29 KB
10/25/2022
984.29 KB
Agricultural Vehicles -
application/pdf 1.11 MB
10/25/2022
1.11 MB
Name
Description
File Size
Date
Size
Aerospace and Defense Product Range Guide -
16.36 MB
11/17/2022
16.36 MB
Defence Ground Vehicles -
872.87 KB
10/25/2022
872.87 KB
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
33.28 KB
10/7/2021
33.28 KB
Precision Thermostat Selection Guide
258.21 KB
10/7/2021
258.21 KB
Thermal Sensors Product Range Guide
993.29 KB
10/7/2021
993.29 KB
Soldering Wire Leads on Precision Hermetic Thermostats
216.61 KB
10/7/2021
216.61 KB
Construction Vehicles -
984.29 KB
10/25/2022
984.29 KB
Precision and High Reliability Thermostats
5.15 MB
10/7/2021
5.15 MB
Thermostats Line Guide
455.96 KB
10/7/2021
455.96 KB
Agricultural Vehicles -
1.11 MB
10/25/2022
1.11 MB
Industrial Product Line Card
2.24 MB
10/24/2022
2.24 MB
Name
Description
File Size
Date
Size
Precision and High Reliability Thermostats
5.15 MB
10/7/2021
Aerospace and Defense Product Range Guide -
16.36 MB
11/17/2022
Technical Tip Bulletin - Precision Thermostat | Gold Contact Selection Guide
33.28 KB
10/7/2021
Precision Thermostat Selection Guide
258.21 KB
10/7/2021
Thermal Sensors Product Range Guide
993.29 KB
10/7/2021
Soldering Wire Leads on Precision Hermetic Thermostats
216.61 KB
10/7/2021
Thermostats Line Guide
455.96 KB
10/7/2021
Industrial Product Line Card
2.24 MB
10/24/2022
Defence Ground Vehicles -
872.87 KB
10/25/2022
Construction Vehicles -
984.29 KB
10/25/2022
Agricultural Vehicles -
1.11 MB
10/25/2022