TM254-20B
Resistors
RESISTOR,THERMAL
TM254-20B
Texas Instruments Incorporated
RESISTOR,THERMAL
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Technical Characteristics
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Zero Power Resistance
330.000 ohms
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Zero Power Resistance Tolerance In Percent At Reference Temp
m10.0/p10.0
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Reference Temp In Deg Celsius
25.0
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Terminal Type And Quantity
2 wire lead
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Reliability Indicator
not established
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Body Outside Diameter
0.125 inches minimum and 0.155 inches maximum
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Terminal Diameter
0.025 inches nominal
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Thermal Time Constant In Seconds
34.8
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Zero Power Temp Coefficient Of Resistance In Percent Per Deg Celsius
0.70
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Temp Points For Resistance Readings At Zero Power
100.0 deg celsius
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Temp Points For Resistance Readings At Zero Power
125.0 deg celsius
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Temp Points For Resistance Readings At Zero Power
150.0 deg celsius
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Temp Points For Resistance Readings At Zero Power
m25.0 deg celsius
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Temp Points For Resistance Readings At Zero Power
m55.0 deg celsius
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Temp Points For Resistance Readings At Zero Power
m65.0 deg celsius
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Zero Power Resistance At Specified Temp
184.8 ohms
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Zero Power Resistance At Specified Temp
531.3 ohms
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Zero Power Resistance At Specified Temp
612.2 ohms
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Zero Power Resistance At Specified Temp
699.6 ohms
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Resistance Tolerance At A Specified Temp In Percent
m15.0/p15.0
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Terminal Length
1.300 inches minimum
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Body Length
0.391 inches minimum and 0.421 inches maximum
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Maximum Power Dissipation Rating
125.00 milliwatts
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Ambient Temp At Full Rated Power
100.0 deg celsius
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Maximum Operating Temp
150.0 deg celsius
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Temp Points For Resistance Readings At Zero Power
75.0 deg celsius
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Zero Power Resistance At Specified Temp
171.6 ohms
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Zero Power Resistance At Specified Temp
231.0 ohms
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Zero Power Resistance At Specified Temp
455.4 ohms
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Inclosure Type
encapsulated