531021-681

531021681 Thermal Resistor

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Datasheet. 531021-681 specification

Reliability Indicator
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.

not established

Terminal Length
A measurement of the longest dimension of a terminal,in distinction from width.

1.500in.

Body Length
A measurement of the longest dimension of the body,in distinction from width.

0.406in.

Body Outside Diameter
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.

0.140in.

Terminal Diameter
The length of a straight line which passes through the center of a terminal,and terminates at the circumference.

0.020in.

Maximum Power Dissipation Rating
The maximum amount of electrical energy that can be expended by an item.

125.00 milliwatts

Ambient Temp At Full Rated Power
The temperature of the medium surrounding an item at which it can be operated continuously at full rated power.

100.0 deg celsius

Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.

150.0 deg celsius

Thermal Time Constant In Seconds
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.

35.0

Power Dissipation Constant In Milliwatts Per Deg Celsius
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.

2.5

Zero Power Temp Coefficient Of Resistance In Percent Per Deg Celsius
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.

0.70

Resistance Tolerance At A Specified Temp In Percent
The limits of permissible variation in the electrical resistance value of an item at a selected temperature in percent.

-10.0/+10.0 all RESISTANCE-Temperature points

Inclosure Type
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.

encapsulated

Zero Power Resistance
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.

680.000 ohms

Zero Power Resistance Tolerance In Percent At Reference Temp
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.

-10.0/+10.0

Reference Temp In Deg Celsius
The temperature at which nominal zero power resistance is specified,expressed in degrees celsius.

25.0

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

rod

Test Data Document
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.

96214-507928 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)

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

2 wire lead

Answers.

What quantity is this sold in?

1EA

What is the style?

Rod

What is the NSN for 531021-681?

5905-00-041-1310

How is this classified for shipping?

Schedule B number: 8533400080
nmfc 062960
Variable resistors, including potentiometers

What's the federal classification of 531021-681?

FSC 5905 ⁓ Resistors

Excluding resistance wire.

NSN 5905-00-041-1310 RESISTOR,THERMAL

rod

NIIN
000411310
NIIN Date
11/08/72
Schedule B
8533400080 
Name Code
00309
FIIG
A086A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$4.80 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Navy 
  • - Portugal 
  • - Greece 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
062960 REOSTATS/PARTS NOI 
UFC (universal freight code)
35140 

Similar by Design Other resistors with similar characteristics

Nothing similar to this part number was found in our inventory

531021-681 / Resistor,thermalWhat is the formal definition of this item?

A thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. item may be mounted in a probe or housing. for ballast tube type resistors, see resistor (1), current regulating. excludes transmitter (1), temperature, electrical resistance and temperature element, resistance meteorological.