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Datasheet. TM254-123K 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.
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 Length
A measurement of the longest dimension of a terminal,in distinction from width.
A measurement of the longest dimension of a terminal,in distinction from width.
1.300in.
Body Length
A measurement of the longest dimension of the body,in distinction from width.
A measurement of the longest dimension of the body,in distinction from width.
0.391in. and 0.421in.
Body Outside Diameter
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.
0.125in. and 0.155in.
Terminal Diameter
The length of a straight line which passes through the center of a terminal,and terminates at the circumference.
The length of a straight line which passes through the center of a terminal,and terminates at the circumference.
0.025in.
Maximum Power Dissipation Rating
The maximum amount of electrical energy that can be expended by an item.
The maximum amount of electrical energy that can be expended by an item.
125.00 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.
The temperature of the medium surrounding an item at which it can be operated continuously at full rated power.
100.0 deg celsius
Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.
The maximum temperature at which the item is rated to operate for an extended period of time.
150.0 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.
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.
34.8
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.
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.
8.5
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.
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.
0.70
Temp Points For Resistance Readings At Zero Power
The temperature levels at which resistance ratings have been established,under zero power condition.
The temperature levels at which resistance ratings have been established,under zero power condition.
-25.0 deg celsius 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.
The temperature levels at which resistance ratings have been established,under zero power condition.
-55.0 deg celsius 2nd 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.
The temperature levels at which resistance ratings have been established,under zero power condition.
-65.0 deg celsius 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.
The temperature levels at which resistance ratings have been established,under zero power condition.
100.0 deg celsius 5th 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.
The temperature levels at which resistance ratings have been established,under zero power condition.
125.0 deg celsius 6th 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.
The temperature levels at which resistance ratings have been established,under zero power condition.
150.0 deg celsius 7th 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.
The temperature levels at which resistance ratings have been established,under zero power condition.
75.0 deg celsius 4th RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
26.8 kilohms 7th RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
5.7 kilohms 1st RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
6.1 kilohms 2nd RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
8.0 kilohms 3rd RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
17.1 kilohms 4th RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
20.0 kilohms 5th RESISTANCE-Temperature point
Zero Power Resistance At Specified Temp
The resistance at a selected temperature,under zero power condition.
The resistance at a selected temperature,under zero power condition.
23.0 kilohms 6th 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.
The limits of permissible variation in the electrical resistance value of an item at a selected temperature in percent.
-15.0/+15.0 all RESISTANCE-Temperature points
Inclosure Type
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.
encapsulated
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.
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.
12.000 kilohms
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.
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.
The temperature at which nominal zero power resistance is specified,expressed in degrees celsius.
25.0
Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
rod
Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.
Indicates the type and number of terminals for providing electrical connection.
2 wire lead
Answers.
What quantity is this sold in?
1EA
What is the style?
Rod
How is this classified for shipping?
Schedule B number: 8533400080
nmfc 062960
Variable resistors, including potentiometers
What's the federal classification of TM254-123K?
FSC 5905 ⁓ Resistors
Excluding resistance wire.
NSN 5905-00-341-2006 RESISTOR,THERMAL
rod
- NIIN
- 003412006
- NIIN Date
- 01/06/74
- Schedule B
- 8533400080
- Name Code
- 00309
- FIIG
- A086A0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $205.68 EA
- 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
- Has ESD sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 958024-41B | Cage 82577 |
| 2. | TM254-41B | Cage 01295 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Air Force
- - Spain
- - Germany
- - Italy
Availability for TM254-123K A member of our team will provide you with a price and availability quote
Request a Quote »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
- Electrostatic sensitive device (esd)
- 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
TM254-123K / 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.
