Model: R989-1

Wire Wound Fixed Resistor

Properties:

Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
-20.0/+20.0
Electrical Resistance
0.500 ohms
Resistance Tolerance In Percent
-1.000 to 1.000
Ambient Tempurature In Deg Celsius At Full Rated Power
125.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
145.0
Tempurature Range Of Tempurature Coefficient In Deg Celsius
-55.0 to 125.0
Inclosure Method
Encapsulated
Terminal Type
Wire lead
Reactance Characteristic
Noninductive
Reliability Indicator
Not established
Body Diameter
0.108 inches
Body Length
0.220 inches
Power Dissipation Rating In Watts
0.030 free air
Style Designator
Axial terminal each end
Test Data Document
14804-b600001306 through b60 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
NSN
5905-00-050-2401
Part Number
R989-1
Description
Resistor,fixed,wire Wound
CAGE
54294

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 R989-1 NSN 5905-00-050-2401

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:
B
ESD:
B
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
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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