Model: 744221-38

Wire Wound Fixed Resistor

Properties:

Tempurature Coefficient Of Resistance In Ppm Per Deg Celsius
-90.0/+90.0
Electrical Resistance
0.0845 ohms
Resistance Tolerance In Percent
-1.000/+1.000
Heat Sink Material
Aluminum alloy
Heat Sink Length
12.000 inches
Heat Sink Width
12.000 inches
Heat Sink Thickness
0.125 inches
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
Threaded stud
Reactance Characteristic
Inductive
Reliability Indicator
Not established
Terminal Length
1.281 inches
Body Length
4.531 inches
Body Width
2.156 inches
Body Height
2.219 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
3.010 inches
Power Dissipation Rating In Watts
250.000 heat sink
Mounting Hole Size
0.198 inches
Unpackaged Unit Weight
28.000 ounces
Style Designator
Axial terminal (s)
NSN
5905-01-186-0029
Part Number
744221-38
Description
Resistor,fixed,wire Wound
CAGE
35351

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 744221-38 NSN 5905-01-186-0029

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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:
72D
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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