Model: 51A31

Thermal Resistor

Properties:

Reliability Indicator
Not established
Terminal Length
2.000 inches
Body Length
1.062 inches
Body Outside Diameter
0.100 inches
Terminal Diameter
0.012 inches
Maximum Power Dissipation Rating
1.00 milliwatts
Ambient Tempurature At Full Rated Power
25.0 degrees celsius
Maximum Operating Temp
150.0 degrees celsius
Thermal Time Constant In Seconds
60.0
Power Dissipation Constant In Milliwatts Per Deg Celsius
8.0
Tempurature Points For Resistance Readings At Zero Power
-37.8 degrees celsius 1st resistance-temperature point
Zero Power Resistance At Specificationified Temp
67.5 ohms 1st resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-10.0/+10.0 all resistance-temperature points
Inclosure Type
Hermetically sealed
Zero Power Resistance
100.000 kilohms
Zero Power Resistance Tolerance In Percent At Reference Temp
-15.0/+15.0
Reference Tempurature In Deg Celsius
25.0
Style Designator
Bead type evacuated or gas filled envelope
Terminal Type And Quantity
2 wire lead
NSN
5905-00-656-9992
Part Number
51A31
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 51A31 NSN 5905-00-656-9992

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:
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: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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