Model: 643C757G04

Wire Wound Fixed Resistor

Properties:

Electrical Resistance
0.334 ohms
Resistance Tolerance In Percent
-5.000/+5.000
Resistance Tolerance In Percent
-5.000 to 5.000
Fixed Tap Quantity
3
Ambient Tempurature In Deg Celsius At Full Rated Power
50.0
Ambient Tempurature In Deg Celsius At Zero Percent Rated Power
375.0
Inclosure Method
Encapsulated
Terminal Type
Tab w/screw
Reactance Characteristic
Inductive
Reliability Indicator
Not established
Terminal Length
3.000 inches
Body Diameter
2.250 inches
Body Length
11.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
13.000 inches
Power Dissipation Rating In Watts
820.000 free air
Terminal Width
0.625 inches
Mounting Hole Size
0.625 inches
Section Resistance
0.056 ohms
Section Resistance
0.064 ohms
Section Resistance
0.104 ohms
Section Resistance
0.110 ohms
Fixed Tap Terminal Type
Tab w/screw
Criticality Code Justification
Zzzy
Style Designator
Radial terminal each end
Nondefinitive Specification/std Data
W series
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control centeractivity hx quality control, manufacturing and testing specifications
NSN
5905-00-059-0953
Part Number
643C757G04
Description
Resistor,fixed,wire Wound
CAGE
88725

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 643C757G04 NSN 5905-00-059-0953

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:
A
ESD:
ESD:
MMAC:
CRITL:
C

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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