31PB2

View detailed technical data, stock status, and sourcing information for: 31PB2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-145-9277

Item Name Code

00309

Assigment Date

09/19/1971 (54 years ago)

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.

0.500 inches nominal body length, 0.012 inches nominal terminal diameter, 0.080 inches nominal body outside diameter, 1.500 inches minimum terminal length, not established reliability indicator

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Reliability Indicator: not established
Terminal Length: 1.500 inches minimum
Body Length: 0.500 inches nominal
Body Outside Diameter: 0.080 inches nominal
Terminal Diameter: 0.012 inches nominal
Maximum Power Dissipation Rating: 75.00 milliwatts
Ambient Temp At Full Rated Power: 175.0 celsius
Maximum Operating Temp: 275.0 celsius
Thermal Time Constant In Seconds: 32.0
Power Dissipation Constant In Milliwatts Per Deg Celsius: 0.75
Temp Points For Resistance Readings At Zero Power: -15.0 celsius 2nd resistance-temperature point
Temp Points For Resistance Readings At Zero Power: -55.0 celsius 1st resistance-temperature point
Temp Points For Resistance Readings At Zero Power: 100.0 celsius 5th resistance-temperature point
Temp Points For Resistance Readings At Zero Power: 125.0 celsius 6th resistance-temperature point
Temp Points For Resistance Readings At Zero Power: 50.0 celsius 3rd resistance-temperature point
Temp Points For Resistance Readings At Zero Power: 75.0 celsius 4th resistance-temperature point
Zero Power Resistance At Specified Temp: 184.0 ohms 4th resistance-temperature point
Zero Power Resistance At Specified Temp: 92.3 ohms 5th resistance-temperature point
Zero Power Resistance At Specified Temp: 405.0 ohms 3rd resistance-temperature point
Zero Power Resistance At Specified Temp: 5.7 kilohms 2nd resistance-temperature point
Zero Power Resistance At Specified Temp: 50.3 ohms 6th resistance-temperature point
Zero Power Resistance At Specified Temp: 54.9 kilohms 1st resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -12.0 to 12.0 3rd resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -14.0 to 14.0 2nd resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -14.0 to 14.0 4th resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -17.0 to 17.0 5th resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -20.0 to 20.0 1st resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent: -20.0 to 20.0 6th resistance-temperature point
Inclosure Type: encapsulated
Zero Power Resistance: 1.000 kilohms
Zero Power Resistance Tolerance In Percent At Reference Temp: -20.0 to 20.0
Style Designator: bead type evacuated or gas filled envelope
Test Data Document: "81349-milt23648 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Terminal Type And Quantity: 2 wire lead

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
31PB2	Thermal Resistor

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5905-00-145-9277?

The FSCG of the NSN 5905-00-145-9277 is 5905

Does the NSN 5905-00-145-9277 have a Schedule B code assigned?

Yes, the Schedule B code is 8533400080

Does NSN 5905-00-145-9277 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5905-00-145-9277 contain precious materials?

Precious metal content is unknown

Does NSN 5905-00-145-9277 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5905-00-145-9277 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Sep 19, 1971