Model: MIL-PRF-18546/1
Wire Wound Fixed ResistorSpecial Features:
Resistance value r-demical; insulation resistance 10, 000 m- dry, 1000 m- after moisture test; solderability meets requirements of ansi j-std-002; operating temperature range -55 to +250 celsius degrees; free air power rating - 7.5; power rating 4 inches x 6 inches x 2 inches x 0.40 inches thick aluminum chassis (129 sq. In. Surface area); performance test temperature 250 degrees celsius for 2 h; terminal strength 30 s, 5 pound pull test; material specification element: cooper nickel alloy or nickel-chrome alloy, depending on resistance value; end caps: stainless steel
Properties:
A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self supporting. Opposition to the flow of current is an inherent property of the resistance wire and is manifest by the heat dissipation in the resistor. Excludes suppressor, ignition interference.
Part MIL-PRF-18546/1 NSN 5905-01-643-6954
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsFreight Classification
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Schedule B and Export
- Schedule B: 8533390080
- SITC: 77233
- End Use: Electric apparatus
- NAICS: 334416
- USDA: 1
Freight Class: Wirewound variable resistors, nesoi
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