PR68S18-105
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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.
1.210 ohms electrical resistance, 275.0 ambient temp in deg celsius at zero percent rated power, -55.0 to 275.0 temp range of temp coefficient in deg celsius, -1.000 to 1.000 resistance tolerance in percent, -50.0 to 50.0 temp coefficient of resistance in ppm per deg celsius
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
- 1.210 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
- Reliability Indicator
- established
- Reliability Failure Rate Level In Percent
- 0.001
- Terminal Length
- 1.500 inches minimum
- Body Diameter
- 0.065 inches minimum and 0.105 inches maximum
- Body Length
- 0.219 inches minimum and 0.281 inches maximum
- Power Dissipation Rating In Watts
- 1.000 free air
- Ambient Temp At Full Rated Power
- 25.0 celsius
- Inclosure Type
- encapsulated
- Cubic Measure
- 0.002 cubic inches
- Terminal Type
- wire lead
- Unpackaged Unit Weight
- 0.35 grams
- Style Designator
- axial terminal each end
- Test Data Document
- "81349-mil-r-39007 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-39007/9 government specification
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5905-01-149-7345 | No Name Available | 12/04/2013 |
| 5905-01-231-0642 | No Name Available | 08/01/2007 |
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 |
|---|---|
| 4006404-27 | Resistor,fixed,wire Wound,induct |
| 443-1848-105 | Resistor,fixed,wire Wound,induct |
| 5905PL0373114 | Resistor,fixed,wire Wound,induct |
| EGS-1-40 1.21 OHMS 1% | Resistor,fixed,wire Wound,induct |
| EGS-1-40-105 | Resistor,fixed,wire Wound,induct |
| PR68S18-105 | Resistor,fixed,wire Wound,induct |
| RWR81S1R20FS | Resistor,fixed,wire Wound,induct |
| RWR81S1R21FS | Resistor,fixed,wire Wound,induct |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5905-01-175-0181?
Does the NSN 5905-01-175-0181 have a Schedule B code assigned?
Does NSN 5905-01-175-0181 require demilitarization?
Does NSN 5905-01-175-0181 contain precious materials?
Does NSN 5905-01-175-0181 contain hazardous materials?
When the NSN 5905-01-175-0181 was assigned to the Federal Catalog?
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