Model: JB31J21

Thermal Resistor

Properties:

Reliability Indicator
Not established
Terminal Surface Treatment
Solder
Terminal Length
1.500 inches
Body Outside Diameter
0.100 inches
Body Width
0.070 inches
Terminal Diameter
0.013 inches
Maximum Power Dissipation Rating
500.00 milliwatts
Ambient Tempurature At Full Rated Power
25.0 degrees celsius
Maximum Operating Temp
150.0 degrees celsius
Thermal Time Constant In Seconds
10.0
Power Dissipation Constant In Milliwatts Per Deg Celsius
4.0
Zero Power Tempurature Coefficient Of Resistance In Percent Per Deg Celsius
-3.90
Tempurature Points For Resistance Readings At Zero Power
-20.0 degrees celsius 3rd resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
-40.0 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
0.0 degrees celsius 4th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
120.0 degrees celsius 8th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
130.0 degrees celsius 9th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
150.0 degrees celsius 10th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
30.0 degrees celsius 5th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
60.0 degrees celsius 6th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
90.0 degrees celsius 7th resistance-temperature point
Zero Power Resistance At Specificationified Temp
294.9 ohms 6th resistance-temperature point
Zero Power Resistance At Specificationified Temp
31.55 ohms 10th resistance-temperature point
Zero Power Resistance At Specificationified Temp
42.12 kilohms 1st resistance-temperature point
Zero Power Resistance At Specificationified Temp
47.72 ohms 9th resistance-temperature point
Zero Power Resistance At Specificationified Temp
59.58 ohms 8th resistance-temperature point
Zero Power Resistance At Specificationified Temp
7.4399 kilohms 3rd resistance-temperature point
Zero Power Resistance At Specificationified Temp
827.6 ohms 5th resistance-temperature point
Zero Power Resistance At Specificationified Temp
124.5 ohms 7th resistance-temperature point
Zero Power Resistance At Specificationified Temp
2.825 kilohms 4th resistance-temperature point
Zero Power Resistance At Specificationified Temp
22.66 kilohms 2nd resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-11.9/+11.9 10th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-12.3/+12.3 8th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-12.1/+12.1 9th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-12.7/+12.7 7th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-13.2/+13.2 6th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-13.8/+13.8 5th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-14.5/+14.5 4th resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-15.1/+15.1 3rd resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-15.8/+15.8 2nd resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-16.1/+16.1 1st resistance-temperature point
Inclosure Type
Uninclosed
Zero Power Resistance
1.000 kilohms
Zero Power Resistance Tolerance In Percent At Reference Temp
-10.0/+10.0
Reference Tempurature In Deg Celsius
25.0
Style Designator
Disk
Terminal Type And Quantity
2 wire lead
NSN
5905-00-855-0722
Part Number
JB31J21
Description
Resistor,thermal
CAGE
15801

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 JB31J21 NSN 5905-00-855-0722

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:
72D
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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