RER40F78R7M

View detailed technical data, stock status, and sourcing information for: RER40F78R7M
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-01-153-7439

Item Name Code

37404

Assigment Date

05/16/1983 (43 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.

-55.0 to 275.0 temp range of temp coefficient in deg celsius, -1.000 to 1.000 resistance tolerance in percent, 275.0 ambient temp in deg celsius at zero percent rated power, -30.0 to 30.0 temp coefficient of resistance in ppm per deg celsius, 78.700 ohms electrical resistance

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: -30.0 to 30.0
Electrical Resistance: 78.700 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: -55.0 to 275.0
Reactance Characteristic: noninductive
Reliability Indicator: established
Reliability Failure Rate Level In Percent: 0.010
Terminal Length: 0.266 inches nominal
Body Length: 0.600 inches nominal
Body Width: 0.334 inches nominal
Body Height: 0.320 inches nominal
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 0.444 inches nominal
Power Dissipation Rating In Watts: 3.000 free air
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encased
Mounting Hole Size: 0.093 inches nominal
Terminal Type: tab, solder lug
Unpackaged Unit Weight: 3.300 grams nominal
Style Designator: axial terminal (s)
Test Data Document: "81349-mil-r-39009 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.)."
Specification/Standard Data: 81349-mil-r-39009/2 government specification

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
RER40F78R7M	Resistor,fixed,wire Wound,nonind
RER40F78R7R	Resistor,fixed,wire Wound,nonind

FAQs

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

What is the FSCG of the NSN 5905-01-153-7439?

The FSCG of the NSN 5905-01-153-7439 is 5905

Does the NSN 5905-01-153-7439 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-01-153-7439 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 5905-01-153-7439 contain precious materials?

Item does not contain precious metal.

Does NSN 5905-01-153-7439 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 5905-01-153-7439 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, May 16, 1983