Model: TM254-27K

Thermal Resistor

Properties:

Reliability Indicator
Not established
Terminal Length
1.300 inches
Body Length
Between 0.391 inches and 0.421 inches
Body Outside Diameter
Between 0.125 inches and 0.155 inches
Terminal Diameter
0.025 inches
Maximum Power Dissipation Rating
125.00 milliwatts
Ambient Tempurature At Full Rated Power
100.0 degrees celsius
Maximum Operating Temp
150.0 degrees celsius
Thermal Time Constant In Seconds
34.8
Power Dissipation Constant In Milliwatts Per Deg Celsius
8.5
Zero Power Tempurature Coefficient Of Resistance In Percent Per Deg Celsius
0.70
Tempurature Points For Resistance Readings At Zero Power
-25.0 degrees celsius 3rd resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
-55.0 degrees celsius 2nd resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
-65.0 degrees celsius 1st resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
100.0 degrees celsius 5th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
125.0 degrees celsius 6th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
150.0 degrees celsius 7th resistance-temperature point
Tempurature Points For Resistance Readings At Zero Power
75.0 degrees celsius 4th resistance-temperature point
Zero Power Resistance At Specificationified Temp
38.9 kilohms 4th resistance-temperature point
Zero Power Resistance At Specificationified Temp
45.6 kilohms 5th resistance-temperature point
Zero Power Resistance At Specificationified Temp
52.4 kilohms 6th resistance-temperature point
Zero Power Resistance At Specificationified Temp
55.4 kilohms 7th resistance-temperature point
Zero Power Resistance At Specificationified Temp
12.2 kilohms 1st resistance-temperature point
Zero Power Resistance At Specificationified Temp
13.0 kilohms 2nd resistance-temperature point
Zero Power Resistance At Specificationified Temp
17.6 kilohms 3rd resistance-temperature point
Resistance Tolerance At A Specificationified Tempurature In Percent
-15.0/+15.0 all resistance-temperature points
Inclosure Type
Encapsulated
Zero Power Resistance
27.000 kilohms
Zero Power Resistance Tolerance In Percent At Reference Temp
-10.0/+10.0
Reference Tempurature In Deg Celsius
25.0
Style Designator
Rod
Terminal Type And Quantity
2 wire lead
NSN
5905-00-335-8668
Part Number
TM254-27K
Description
Resistor,thermal
CAGE
12969

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 TM254-27K NSN 5905-00-335-8668

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:
B
ESD:
B
MMAC:
EH
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:
3
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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