3550N40R20H

View detailed technical data, stock status, and sourcing information for: 3550N40R20H
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-434-8721

Item Name Code

00010

Assigment Date

08/17/1970 (56 years ago)

-3.000 to 3.000 resistance tolerance in percent, 12.000 inches heat sink width, 40.000 ohms electrical resistance, -30.0 to 30.0 temp coefficient of resistance in ppm per deg celsius, 12.000 inches heat sink length

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: 40.000 ohms
Resistance Tolerance In Percent: -3.000 to 3.000
Heat Sink Length: 12.000 inches
Heat Sink Width: 12.000 inches
Heat Sink Thickness: 0.059 inches
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: not established
Terminal Length: 0.406 inches nominal
Body Length: 1.968 inches nominal
Body Width: 0.630 inches nominal
Body Height: 0.610 inches nominal
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 1.563 inches nominal
Power Dissipation Rating In Watts: 50.000 heat sink
Ambient Temp At Full Rated Power: 25.0 celsius
Inclosure Type: encased
Mounting Hole Size: 0.125 inches nominal
Terminal Type: tab, solder lug
Material: aluminum alloy heat sink
Style Designator: axial terminal (s)

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
10015580-174	Wire Wound Fixed Resistor
3550N40R20H	Wire Wound Fixed Resistor
RH50-40-OHMPROM3PCT	Wire Wound Fixed Resistor
RH50X000K40R20H	Wire Wound Fixed Resistor
TM50W40R20H	Wire Wound Fixed Resistor

FAQs

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

What is the FSCG of the NSN 5905-00-434-8721?

The FSCG of the NSN 5905-00-434-8721 is 5905

Does the NSN 5905-00-434-8721 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-00-434-8721 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 5905-00-434-8721 contain precious materials?

Precious metal content is unknown

Does NSN 5905-00-434-8721 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 5905-00-434-8721 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Aug 17, 1970