SMC500938

SMC500938 Thermal Resistor

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Datasheet. SMC500938 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

Terminal Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off. plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a terminal surface.

tin

Terminal Length
A measurement of the longest dimension of a terminal,in distinction from width.

2.000in.

Body Outside Diameter
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.

0.400in.

Body Width
A measurement taken at right angles to the length of the body,in distinction from thickness.

0.150in.

Terminal Diameter
The length of a straight line which passes through the center of a terminal,and terminates at the circumference.

0.020in.

Maximum Power Dissipation Rating
The maximum amount of electrical energy that can be expended by an item.

200.00 milliwatts

Ambient Temp At Full Rated Power
The temperature of the medium surrounding an item at which it can be operated continuously at full rated power.

75.0 deg celsius

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

125.0 deg celsius

Thermal Time Constant In Seconds
The time required for the temperature of an item to change 63.2 percent of the difference between its initial and final body temperature when subjected to a temperature change under zero power conditions,expressed in seconds.

80.0

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.

8.0

Temp Points For Resistance Readings At Zero Power
The temperature levels at which resistance ratings have been established,under zero power condition.

147.0 deg fahrenheit 3rd RESISTANCE-Temperature point

Temp Points For Resistance Readings At Zero Power
The temperature levels at which resistance ratings have been established,under zero power condition.

6.7 deg fahrenheit 1st RESISTANCE-Temperature point

Temp Points For Resistance Readings At Zero Power
The temperature levels at which resistance ratings have been established,under zero power condition.

99.5 deg fahrenheit 2nd RESISTANCE-Temperature point

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

6.3 ohms 3rd RESISTANCE-Temperature point

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

20.0 ohms 2nd RESISTANCE-Temperature point

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

240.0 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/+10.0 all RESISTANCE-Temperature points

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

uninclosed

Cubic Measure
A measurement of volume taken by multiplying the length by the width by the height of an item and rendered in cubic units.

0.008 cubic centimeters

Zero Power Resistance
The dc resistance value measured with a power dissipation low enough that any further decrease in power will result in not more than 0.1 percent change in resistance.

32.400 ohms

Zero Power Resistance Tolerance In Percent At Reference Temp
The limits of permissible variation in the electrical resistance value of an item from its rated zero power resistance,expressed in percent at reference temperature.

-10.0/+10.0

Reference Temp In Deg Celsius
The temperature at which nominal zero power resistance is specified,expressed in degrees celsius.

25.0

Unpackaged Unit Weight
The measured weight of an item unencumbered by packaging or packing material.

0.015 pounds

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

disk

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

2 wire lead

Answers.

What is the style?

Disk

What is the NSN for SMC500938?

5905-00-730-6726

How is this classified for shipping?

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

What's the federal classification of SMC500938?

FSC 5905 ⁓ Resistors

Excluding resistance wire.

NSN 5905-00-730-6726 RESISTOR,THERMAL

disk

NIIN
007306726
NIIN Date
01/01/61
Schedule B
8533400080 
Name Code
00309
FIIG
A086A0
Item Weight
0.000lbs
Item Dimensions
--
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 810000-830 Cage 12436
2. 398430 Cage 80045
3. RL4005-20-4-70S1 Cage 75263

Major End Users Countries and entities

  • - Lithuania 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Canada 
  • - New Zealand 
  • - Germany 
  • - Italy 
  • - Greece 
  • - Turkey 

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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)
Electrical appliances, small 
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

SMC500938 / 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.