SM252B2K

SM252B2K Thermal Resistor

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Datasheet. SM252B2K specification

Reliability Indicator
An indication that the level of probability that an item will operate without failure,at a specified rated capability,at a specified temperature,and for a specified period of time,has been established by testing random samples of production lot.

not established

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.123in. and 0.147in. ⁓5/32"

Overall Diameter
A measurement of the longest straight line across a circular cross-sectional plane.

0.055in. and 0.065in. ⁓5/64"

Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.

220.0 deg celsius

Power Dissipation Constant In Milliwatts Per Deg Celsius
The ratio,at a specified ambient temperature,of a change in power dissipation in an item to the resultant body temperature change,expressed in milliwatts per degree celsius.

2.0

Zero Power Temp Coefficient Of Resistance In Percent Per Deg Celsius
The ratio of the rate of change of resistance with temperature to the resistance of the item at a specified temperature,expressed in percent per degree celsius.

3.31

Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.

2500.0 ohms 1st RESISTANCE-Temperature point

Resistance Tolerance At A Specified Temp In Percent
The limits of permissible variation in the electrical resistance value of an item at a selected temperature in percent.

-10.0 to 10.0 1st RESISTANCE-Temperature point

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

global hawk asip

Inclosure Type
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.

encapsulated

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

ntc thermistor

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

tinned dumet contact tabs, glass body, thermal time constant: 8 seconds max

Answers.

What is the NSN for SM252B2K?

5905-01-610-4195

How is this classified for shipping?

Schedule B number: 8533400080
nmfc 062960
Variable resistors, including potentiometers

What's the federal classification of SM252B2K?

FSC 5905 ⁓ Resistors

Excluding resistance wire.

NSN 5905-01-610-4195 RESISTOR,THERMAL

Used on global hawk asip. tinned dumet contact tabs, glass body, thermal time constant: 8 seconds max ntc thermistor 0.123" overall length

NIIN
016104195
NIIN Date
08/17/12
Schedule B
8533400080 
Name Code
00309
FIIG
A086A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$5.00 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Air Force 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Communications/electronics, other than sigint/ew or comsec repair parts and components 
NMFC (national motor freight code)
062960 REOSTATS/PARTS NOI 
UFC (universal freight code)
35140 

Similar by Design Other resistors with similar characteristics

Nothing similar to this part number was found in our inventory

SM252B2K / Resistor,thermalWhat is the formal definition of this item?

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.