Model: 25A4

Thermal Resistor

Properties:

Reliability Indicator
Not established
Terminal Length
0.312 inches
Body Length
0.043 inches
Body Outside Diameter
0.043 inches
Terminal Diameter
0.004 inches
Ambient Tempurature At Full Rated Power
25.0 degrees celsius
Maximum Operating Temp
300.0 degrees celsius
Thermal Time Constant In Seconds
2.0
Power Dissipation Constant In Milliwatts Per Deg Celsius
0.7
Zero Power Tempurature Coefficient Of Resistance In Percent Per Deg Celsius
-3.40
Resistance Tolerance At A Specificationified Tempurature In Percent
-15.0 to 15.0 all resistance-temperature points
Inclosure Type
Encapsulated
Zero Power Resistance
500.000 ohms
Zero Power Resistance Tolerance In Percent At Reference Temp
-20.0 to 20.0
Reference Tempurature In Deg Celsius
25.0
Style Designator
Sealed or coated bead
Terminal Type And Quantity
2 wire lead
NSN
5905-00-018-8965
Part Number
25A4
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 25A4 NSN 5905-00-018-8965

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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