RN55C4990B
View detailed technical data, stock status, and sourcing information for: RN55C4990B
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A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes:switch,lever; switch,rotary; switch,knife; switch,sensitive; and switch,box.
-0.100 to 0.100 resistance tolerance in percent, 175.0 ambient temp in deg celsius at zero percent rated power, -55.0 to 175.0 temp range of temp coefficient in deg celsius, -50.0 to 50.0 temp coefficient of resistance in ppm per deg celsius, 499.000 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
- -50.0 to 50.0
- Electrical Resistance
- 499.000 ohms
- Resistance Tolerance In Percent
- -0.100 to 0.100
- Ambient Temp In Deg Celsius At Zero Percent Rated Power
- 175.0
- Temp Range Of Temp Coefficient In Deg Celsius
- -55.0 to 175.0
- Reliability Indicator
- established
- Reliability Failure Rate Level In Percent
- 0.001
- Body Diameter
- 0.109 inches nominal
- Body Length
- 0.250 inches nominal
- Power Dissipation Rating In Watts
- 0.100 free air
- Ambient Temp At Full Rated Power
- 125.0 celsius
- Inclosure Type
- encapsulated
- Terminal Type
- wire lead
- Style Designator
- axial terminal each end
- Test Data Document
- "81349-milr55182 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.)."
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5905-00-032-9377 | No Name Available | 07/30/1985 |
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 |
|---|---|
| RN55C4990B | Film Fixed Resistor |
| RNC55H4990BM | Film Fixed Resistor |
| RNC55H4990BR | Film Fixed Resistor |
| RNC55K4990BM | Film Fixed Resistor |
| RNR55H4990BM | Film Fixed Resistor |
| RNR55H4990BP | Film Fixed Resistor |
| RNR55H4990BS | Film Fixed Resistor |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5905-00-488-7756?
Does the NSN 5905-00-488-7756 have a Schedule B code assigned?
Does NSN 5905-00-488-7756 require demilitarization?
Does NSN 5905-00-488-7756 contain precious materials?
Does NSN 5905-00-488-7756 contain hazardous materials?
When the NSN 5905-00-488-7756 was assigned to the Federal Catalog?
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