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Precision Thermistor Elements

44000 Series

Precision Thermistor Elements | 44000 Series

Precision Thermistor Elements

$16.00 44004

44000 Series is rated 5.0 out of 5 by 4.
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RoHS
  • Epoxy Encapsulated
  • Available with 0.1°C and 0.2°C Interchangeability
  • High Stability
Thermistor Elements, Probes and Assemblies - View related products

Description

Construction
Thermistors are manufactured from oxides of nickel, manganese, iron, cobalt, magnesium, titanium and other metals. All are available epoxy encapsulated and color coded, with two 3" leads.Thermistors with 0.2°C interchangeability also are available encased in a 2" long waterproof PFA tube; order by adding 100 to the part number. For example: 44005 is a standard 3000 ohm thermistor; 44105 is a PFA-encased thermistor with the same temperature/resistance values. Stiff wire is placed in the tube so that, with slight finger pressure, it can be bent to any configuration. For PFA-encased thermistors, consult the factory.

Stability
Finished thermistors are chemically stable and not significantly affected by aging or exposure to strong fields of hard nuclear radiation. Time Constant -The time required for a thermistor to indicate 63% of a newly impressed temperature is called the time constant. For a thermistor suspended by its leads in a “well stirred” oil bath, it is 1 sec. max., or 2.5 sec. max. for PFA-encased thermistors, and in still air it is 10 sec. max., or 25 sec. max. for PFA units.

Dissipation Constant
The power in milliwatts required to raise a thermistor 1°C above the surrounding temperature is the dissipation constant. For all thermistors suspended by their leads in a “well stirred” oil bath, it is 8 mw/ °C min., or 1 mw/°C min. in still air. Operating Temperature -Maximum operating temperature is 150°C. Long-term stability studies show that extended operation or continued cycling above 90°C will cause thermistors with values less than 2252 ohms at 25°C to exceed tolerances eventually. Thermistors 44030, 44031, 44032 and 44033 are designed for operation below 75°C. They will operate safely up to 100°C, but extended use above 75°C may cause a change in resistance. Storage temperature for thermistors is from -80 to 120°C.
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RoHS
Description
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44004 Star
$16.00
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±0.2°C Interchangeability, 2,252 ohms @ 25°C
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$16.00
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$16.00
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44006 Star
$16.00
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44008 Star
$16.00
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44033 Star
$23.00
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±0.1°C Interchangeability, 2,252 ohms @ 25°C
  
44030 Star
$23.00
Available In 14 Weeks
Not RoHS compliant
±0.1°C Interchangeability, 3,000 ohms @ 25°C
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44034 Star
$23.00
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44031 Star
$23.00
21 In Stock
Not RoHS compliant
±0.1°C Interchangeability,10,000 ohms @ 25°C
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44032 Star
$23.00
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±0.1°C Interchangeability,30,000 ohms @ 25°C
All amounts shown in USD
Ordering Example: (1) 44004 Thermistor, $16.00
Rated 5 out of 5 by from Great Great performace and packaging. Impression at first look.
Date published: 2015-11-25
Rated 5 out of 5 by from Excellent reaction times I bought this about a month ago and it worked flawlessly. I utilized it as a temp sensor on my car and the accuracy and reaction time of the temperature change was better than advertised.
Date published: 2016-12-11
Rated 5 out of 5 by from C6 Z06 I used the 44005 thermister as a fast acting temperature sensor to measure Air Intake Temperature accurately when the methanol injection system turns on.
Date published: 2017-01-04
Rated 5 out of 5 by from Works perfectly! Highly-sensitive to temperature change. I used it to replace my car's ambient temperature sensor. As soon as I start pulling out of my garage, the temperature reading started to change. It was definitely a lot hotter in the garage and the gradual drop in temperature reading once outside validates the accurate function of the thermistor. I'm happy with the purchase and the product.
Date published: 2017-08-11
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