44000 Series Epoxy Encapsulated Thermistors

Thermistors provide highly accurate and stable temperature sensing for applications of temperature measurement, control, indication and compensation. Typical uses include precise measurements without the necessity of individual circuit calibration and with the advantage of precise interchangeability of sensors. Two interchangeability tolerances, ±0.1°C and ±0.2°C, and two thermistor configurations are offered. Teflon®-encased thermistors allow exposure to hostile environments such as conductive or corrosive liquids and particulate suspensions.


Ordering Part Number:

Ordering Part Number Power Resistance Ohms @250C Resistance Ratio (25-1250C) Max Working Temp (0C)  Store & Work Temp for Best Stabilty (0C)

Standard 

Price

Standard Teflon Encased
     ±0.2°C Interchangeability Tolerance 0 to 700C
 44001A    100  11.49  100°C  -80 -+ 50°C $10.00
 44002A    300  15.15  100°C  -80 -+ 50°C $10.00
 44003A    1000  17.33  100°C  -80 -+ 50°C $10.00
 44035    1000  17.33  100°C  -80 -+ 120°C $11.36
 44004  44104  2252  29.26  150°C  -80 -+ 120°C $7.50
 44005  44105  3000  29.26  150°C  -80 -+ 120°C $7.50
 44007  44107  5000  29.26  150°C  -80 -+ 120°C $7.50
 44017    6000  29.26  150°C  -80 -+ 120°C $7.50
 44016    10K  29.26  150°C  -80 -+ 120°C $7.50
 44006  44106  10K  23.51  150°C  -80 -+ 120°C $7.50
 44008  44108  30K  29.15  150°C  -80 -+ 120°C $7.50
 44011  44111  100K  34.82  150°C  -80 -+ 120°C $10.00
 44014  44114  300K  46.02  150°C  -80 -+ 120°C $10.00
 44015  44115  1Meg  61.96  150°C  -80 -+ 120°C $10.00
     ±0.1°C Interchangeability Tolerance 0 to 700C
 44033    2252  29.26  75°C  -80 -+ 75°C $11.36
 44030    3000  29.26  75°C  -80 -+ 75°C $11.36
 44034    5000  29.26  75°C  -80 -+ 75°C $11.36
 44036    10K  29.26  75°C  -80 -+ 75°C $11.36
 44037    6K  29.26  75°C  -80 -+ 75°C $11.36
 44031    10K  23.51  75°C  -80 -+ 75°C $11.36
 44032    30K  29.15  75°C  -80 -+ 75°C $11.36


From $7.50

To $11.36

44000 Series Epoxy Encapsulated Thermistors is available to buy in increments of 1

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44000 Series Epoxy Encapsulated Thermistors is available to buy in increments of 1
44000 Series Epoxy Encapsulated Thermistors

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$7.50

Summary

    44000 Series Epoxy Encapsulated Thermistors

    Precision Interchangeable Thermistors

    Thermistors provide highly accurate and stable temperature sensing for applications of temperature measurement, control, indication and compensation. Typical uses include precise measurements without the necessity of individual circuit calibration and with the advantage of precision interchangeability of sensors. Precise cold junction compensation of thermocouples may be designed directly without “bread boarding” after mathematically deriving the circuit because of the superior interchangeability of YSI precision thermistors. Two interchangeability tolerances, ±0.1°C and ±0.2°C, and two thermistor configurations are offered. Teflon®-encased thermistors allow exposure to hostile environments such as conductive or corrosive liquids and particulate suspensions. A stiff wire placed in the tube also allows the thermistor leads to be formed to various shapes with slight finger pressure.

    Time Constant

    The time required for a thermistor to indicate 63% of a newly-impressed temperature is the time constant. For a thermistor suspended by its leads in a well-stirred oil bath, it is 1 sec. max. for standard thermistors and 2.5 sec. max. for Teflon®-encased thermistors. In still air, it is 10 sec. max. for standard thermistors and 25 sec. max. for Teflon®-encased thermistors.

    Dissipation Constant

    The power in mW required to raise a thermistor 1°C above surrounding temperature is the dissipation constant. For all thermistors suspended by their leads in a well-stirred oil bath, it is 8mW/°C min. or 1mW/°C in still air.

    Stability

    YSI thermistors are chemically stable and not significantly affected by aging or exposure to strong nuclear radiation.

    More Information
    Manufacturer
    Measurement Specialties-YSI
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