Part Number 42TF49

Thermal Resistor

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
42tf49
Demil:
No
Shelf Life:
UOM:
NIIN:
001641785
NSN
National Stock Number:
5905-00-164-1785 5905001641785
TXT
Description:
Thermal Resistor
INC
INC
Item Name Code:
00309
MRC:
An indication that the level of probability that an item will operate without failure,at a specified rated capability,at a specified temperature,and for a specified period of time,has been established by testing random samples of production lot.AARG
Reliability Indicator:
Not established
MRC:
A measurement of the longest dimension of a terminal,in distinction from width.ABJT
Terminal Length:
2.000 inches
MRC:
A measurement of the longest dimension of the body,in distinction from width.ADAQ
Body Length:
0.110 inches
MRC:
A measurement taken at right angles to the length of the body,in distinction from thickness.ADAT
Body Width:
0.080 inches
MRC:
A measurement from the bottom to the top of the body,in distinction from depth.ADAU
Body Height:
0.110 inches
MRC:
The length of a straight line which passes through the center of a terminal,and terminates at the circumference.AEBT
Terminal Diameter:
0.010 inches
MRC:
The temperature of the medium surrounding an item at which it can be operated continuously at full rated power.AEHY
Ambient Tempurature At Full Rated Power:
25.0 degrees celsius
MRC:
The maximum temperature at which the item is rated to operate for an extended period of time.AEHZ
Maximum Operating Temp:
105.0 degrees celsius
MRC:
The time required for the temperature of an item to change 63.2 percent of the difference between its initial and final body temperature when subjected to a temperature change under zero power conditions,expressed in seconds.AEJA
Thermal Time Constant In Seconds:
6.0
MRC:
The ratio,at a specified ambient temperature,of a change in power dissipation in an item to the resultant body temperature change,expressed in milliwatts per degree celsius.AEJB
Power Dissipation Constant In Milliwatts Per Deg Celsius:
3.5
MRC:
The ratio of the rate of change of resistance with temperature to the resistance of the item at a specified temperature,expressed in percent per degree celsius.AEJC
Zero Power Tempurature Coefficient Of Resistance In Percent Per Deg Celsius:
-4.90
MRC:
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.AKNA
Inclosure Type:
Encapsulated
MRC:
The dc resistance value measured with a power dissipation low enough that any further decrease in power will result in not more than 0.1 percent change in resistance.CQWD
Zero Power Resistance:
20.000 kilohms
MRC:
The limits of permissible variation in the electrical resistance value of an item from its rated zero power resistance,expressed in percent at reference temperature.CRQJ
Zero Power Resistance Tolerance In Percent At Reference Temp:
-10.0/+10.0
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Wafer
MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
Test Data Document:
13499-714-1138 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
MRC:
Indicates the type and number of terminals for providing electrical connection.TTQY
Terminal Type And Quantity:
2 wire lead

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