Model: 21A3

Thermal Resistor

Properties:

Reliability Indicator
Not established
Terminal Length
2.000 inches
Terminal Diameter
0.012 inches
Maximum Power Dissipation Rating
75.00 milliwatts
Ambient Tempurature At Full Rated Power
25.0 degrees celsius
Maximum Operating Temp
125.0 degrees celsius
Thermal Time Constant In Seconds
22.0
Power Dissipation Constant In Milliwatts Per Deg Celsius
1.0
Zero Power Tempurature Coefficient Of Resistance In Percent Per Deg Celsius
-3.20
Tempurature Points For Resistance Readings At Zero Power
-25.0 degrees celsius 2nd resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
-50.0 degrees celsius 1st resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
100.0 degrees celsius 4th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
125.0 degrees celsius 5th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
50.0 degrees celsius 3rd resistance-temperature point
Zero Power Resistance At Specificationified Temp
45.0 ohms 3rd resistance-temperature point
Zero Power Resistance At Specificationified Temp
8.5 ohms 5th resistance-temperature point
Zero Power Resistance At Specificationified Temp
820.0 ohms 2nd resistance-temperature point
Zero Power Resistance At Specificationified Temp
14.0 ohms 4th resistance-temperature point
Zero Power Resistance At Specificationified Temp
2.5 kilohms 1st resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-15.0/+15.0 all resistance-temperature points
Resistance Tolerance At A Specificationified Tempurature In Percent
-15.0 to 15.0 all resistance-temperature points
Probe Length
0.500 inches
Probe Diameter
0.100 inches
Inclosure Type
Hermetically sealed
Zero Power Resistance
100.000 ohms
Zero Power Resistance Tolerance In Percent At Reference Temp
-20.0/+20.0
Style Designator
Probe
Terminal Type And Quantity
2 wire lead
NSN
5905-00-145-3433
Part Number
21A3
Description
Resistor,thermal
CAGE
83186

A thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. Item may be mounted in a probe or housing. For ballast tube type resistors, see resistor (1), current regulating. Excludes transmitter (1), temperature, electrical resistance and temperature element, resistance meteorological.

Part 21A3 NSN 5905-00-145-3433

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00309
FIIG:
A086A0
Concept No.:
1
App. Key:
A
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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