3550M4-3

View detailed technical data, stock status, and sourcing information for: 3550M4-3

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3550M4-3
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5905 Resistor
National Stock Number
5905-00-139-1989
Item Name Code
37403
Assigment Date
08/25/1971 (54 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, 4.020 ohms electrical resistance, -50.0 to 50.0 temp coefficient of resistance in ppm per deg celsius, -1.000 to 1.000 resistance tolerance in percent, 275.0 ambient temp in deg celsius at zero percent rated power

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
-50.0 to 50.0
Electrical Resistance
4.020 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
inductive
Reliability Indicator
established
Reliability Failure Rate Level In Percent
0.010
Terminal Length
0.438 inches nominal
Body Length
1.876 inches minimum and 2.000 inches maximum
Body Width
0.532 inches minimum and 0.656 inches maximum
Body Height
0.594 inches minimum and 0.656 inches maximum
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.562 inches nominal
Power Dissipation Rating In Watts
10.000 free air
Ambient Temp At Full Rated Power
25.0 celsius
Inclosure Type
encased
Mounting Hole Size
0.125 inches nominal
Cubic Measure
0.719 cubic inches
Terminal Type
tab, solder lug
Unpackaged Unit Weight
32.0 grams
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-39009/1 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5905-00-044-1784 No Name Available 07/01/1987
5905-00-195-4400 No Name Available 04/01/1992
5905-00-258-2141 No Name Available 10/01/1976
5905-00-275-7533 No Name Available 05/13/1987
5905-00-823-3429 No Name Available 07/01/1992
5905-00-898-9607 No Name Available 01/01/2009
5905-01-231-9615 No Name Available 08/01/2007
5905-01-505-1667 No Name Available 05/01/2015

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Part Number Name
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3550M4-3 Resistor,fixed,wire Wound,induct
829572 Resistor,fixed,wire Wound,induct
ERH-50 4.02 OHMS 1PCT Resistor,fixed,wire Wound,induct
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RER75F4R00M Resistor,fixed,wire Wound,induct
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RH50-4R0H Resistor,fixed,wire Wound,induct
RH50/4OHM Resistor,fixed,wire Wound,induct
TM50-4R00H Resistor,fixed,wire Wound,induct

FAQs

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

What is the FSCG of the NSN 5905-00-139-1989?
The FSCG of the NSN 5905-00-139-1989 is 5905
Does the NSN 5905-00-139-1989 have a Schedule B code assigned?
Yes, the Schedule B code is 8533390080
Does NSN 5905-00-139-1989 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 5905-00-139-1989 contain precious materials?
Item does not contain precious metal.
Does NSN 5905-00-139-1989 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 5905-00-139-1989 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Aug 25, 1971

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