Model: RWR81S2520BM

Wire Wound Fixed Resistor

Properties:

Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
-20.0/+20.0
Electrical Resistance
252.000 ohms
Resistance Tolerance In Percent
-0.100/+0.100
Ambient Tempurature In Deg Celsius At Full Rated Power
25.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
275.0
Tempurature Range Of Tempurature Coefficient In Deg Celsius
-55.0/+275.0
Inclosure Method
Encapsulated
Terminal Type
Wire lead
Reactance Characteristic
Inductive
Reliability Indicator
Established
Reliability Failure Rate Level In Percent
1.000
Terminal Length
1.500 inches
Body Diameter
0.085 inches
Body Length
0.250 inches
Power Dissipation Rating In Watts
1.000 free air
Terminal Width
0.020 inches
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", "", etc.).
Specification Data
81349-mil-r-39007/9 government specification
NSN
5905-01-163-0130
Part Number
RWR81S2520BM
Description
Resistor,fixed,wire Wound
CAGE
81349

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. Opposition to the flow of current is an inherent property of the resistance wire and is manifest by the heat dissipation in the resistor. Excludes suppressor, ignition interference.

Part RWR81S2520BM NSN 5905-01-163-0130

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00010
FIIG:
A001A0
Concept No.:
1
App. Key:
B
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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