Model: RN20X4251F

Film Fixed Resistor

Properties:

Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
-500.0/+200.0
Electrical Resistance
4.220 kilohms
Resistance Tolerance In Percent
-1.000/+1.000
Ambient Tempurature In Deg Celsius At Full Rated Power
70.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
165.0
Tempurature Range Of Tempurature Coefficient In Deg Celsius
-55.0/+165.0
Inclosure Method
Encapsulated
Terminal Type
Wire lead
Reliability Indicator
Not established
Body Diameter
0.187 inches
Body Length
0.625 inches
Power Dissipation Rating In Watts
0.500 free air
Style Designator
Axial terminal each end
Test Data Document
81349-mil-r-10509 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", "", etc.).
Specification Data
81349-mil-r-10509/2 government specification
NSN
5905-00-993-2263
Part Number
RN20X4251F
Description
Resistor,fixed,film
CAGE
81349

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes carbon composition type resistors.

Part RN20X4251F NSN 5905-00-993-2263

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05311
FIIG:
A001A0
Concept No.:
1
App. Key:
D
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533100042
  • SITC: 77231
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Fixed carbon resistors, composition or film type, designed for surface mounting, having two terminals

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