5905-01-121-7780

Find complete technical information, availability, and procurement data for: 5905-01-121-7780
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-121-7780

Item Name Code

37403

Assigment Date

11/08/1981 (44 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The item must have inherent characteristics of inducing self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Exclut s suppressor, ignition interference. See also resistor (1), fixed, wire wound, noninductive.

-65.0 to 275.0 temp range of temp coefficient in deg celsius, -20.0 to 20.0 temp coefficient of resistance in ppm per deg celsius, 275.0 ambient temp in deg celsius at zero percent rated power, 68.100 ohms electrical resistance, -1.000 to 1.000 resistance tolerance in percent

Product Characteristics

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

Temp Coefficient Of Resistance In Ppm Per Deg Celsius: -20.0 to 20.0
Electrical Resistance: 68.100 ohms
Resistance Tolerance In Percent: -1.000 to 1.000
Ambient Temp In Deg Celsius At Zero Percent Rated Power: 275.0
Temp Range Of Temp Coefficient In Deg Celsius: -65.0 to 275.0
Reliability Indicator: not established
Terminal Length: 2.000 inches nominal
Body Diameter: 0.218 inches nominal
Body Length: 0.500 inches nominal
Power Dissipation Rating In Watts: 2.500 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encapsulated
Terminal Type: wire lead
Unpackaged Unit Weight: 1.500 grams
Style Designator: radial terminal each end

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
TR-2C	Resistor,fixed,wire Wound,induct
TR-2C-68R1F	Resistor,fixed,wire Wound,induct

FAQs

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

What is the FSCG of the NSN 5905-01-121-7780?

The FSCG of the NSN 5905-01-121-7780 is 5905

Does the NSN 5905-01-121-7780 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-121-7780 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 5905-01-121-7780 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-121-7780 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 5905-01-121-7780 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Nov 8, 1981