5905-01-015-5655, RESISTOR,VARIABLE,HYBRID

5905-01-015-5654 RESISTOR,VARIABLE,NONWIRE WOUND,

5905-01-015-5656 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
5905-01-015-5655

Federal Supply Class:
5905

National Item Identification Number:
010155655

Description:
RESISTOR,VARIABLE,HYBRID

Detail:
A RESISTOR IN WHICH A SLIDING OR ROLLING CONTACT MOVES OVER AN EXPOSED AREA OF THE RESISTIVE ELEMENT. UNIFORM CONTACT PRESSURE ON THE RESISTANCE ELEMENT IS MAINTAINED BY POSITIVE PRESSURE TO PERMIT SMOOTH ELECTRICAL AND MECHANICAL CONTROL OF THE RESISTOR OVER THE ENTIRE RESISTANCE RANGE. THE RESISTIVE ELEMENT IS CONSTRUCTED OF A COMBINATION OF TWO MATERIALS USUALLY CONSISTING OF A WIREWOUND ELEMENT WITH A COATING OF CONDUCTIVE PLASTIC APPLIED OVER THE RESISTANCE WIRE WHERE THE SLIDER MAKES CONTACT. MAY BE CONSTRUCTED OF A SINGLE OR MULTITURNS OF WIRE SUPPORTED ON AN INSULATING STRUCTURE ON WHICH THE WIPER CONTACTS THE COATED WIRE CONTINUOUSLY IN THE DIRECTION OF WIPER TRAVEL. THE OPPOSITION TO THE FLOW OF CURRENT IS AN INHERENT PROPERTY OF THE WIRE USED AND IS MANIFESTED IN THE HEAT DISSIPATED IN THE RESISTOR ITSELF. FOR ITEMS HAVING MANUALLY POSITIONED TAPS DESIGNED TO BE SET AND FIXED PRIOR TO USE, SEE RESISTOR, ADJUSTABLE. FOR ITEMS WITH STEP BY STEP VARIATION, SEE RHEOSTAT; AND RESISTOR, STEP BY STEP. FOR TANDEM-MOUNTED ITEMS DESIGNED TO FUNCTION TOGETHER AS AN ATTENUATOR (AND RATED ACCORDINGLY), SEE ATTENUATOR, VARIABLE. EXCLUDES OTHER RESISTOR (1), VARIABLE, (AS MODIFIED).

Manufacturer Information:

8146 R1K L.25	73138	BI TECHNOLOGIES CORPORATION
8146R1KL 0.25	73138	BI TECHNOLOGIES CORPORATION

Techincal Specification:

SECTION QUANTITY	1
ELECTRICAL RESISTANCE PER SECTION	1.000 KILOHMS SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT	-10.0 TO 10.0 SINGLE SECTION
FUNCTION CONFORMITY PER SECTION	SINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CHARACTERISTIC PER SECTION	SINGLE SECTION LINEAR
FUNCTION CONFORMITY TOLERANCE PER SECTION	-0.25 TO 0.25 SINGLE SECTION
SHAFT RUNOUT	0.003 INCHES
LATERAL RUNOUT	0.005 INCHES
PILOT DIAMETER RUNOUT	0.00400 INCHES
SHAFT RADIAL PLAY	0.003 INCHES
SHAFT BEARING TYPE	SLEEVE
SHAFT END PLAY	0.01000 INCHES
MAXIMUM STOP TORQUE	48.00 INCH-OUNCES
MAXIMUM STARTING TORQUE	8.00 INCH-OUNCES
MAXIMUM RUNNING TORQUE	8.00 INCH-OUNCES
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS	-150.0 TO 100.0 SINGLE SECTION
POWER DISSIPATION RATING PER SECTION IN WATTS	2.0 FREE AIR SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER	70.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER	125.0 SINGLE SECTION
BODY STYLE	CYLINDRICAL BUSHING MOUNTED
BODY DIAMETER	0.875 INCHES NOMINAL
BODY LENGTH	0.750 INCHES NOMINAL
MOUNTING BUSHING LENGTH	0.312 INCHES NOMINAL
ACTUATOR TYPE	SINGLE SHAFT
SHAFT STYLE	ROUND, SLOTTED
SHAFT DIAMETER	0.250 INCHES MAXIMUM
SHAFT LENGTH	0.812 INCHES NOMINAL
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG	3600.0 NOMINAL
ACTUATOR TRAVEL CONTROL FEATURE	STOPS
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION	3600.0 NOMINAL
MOUNTING METHOD	STANDARD BUSHING
SCREW THREAD SERIES DESIGNATOR	UNEF
SCREW THREAD DIAMETER	0.375 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH	32.0
TERMINAL TYPE AND QUANTITY	3 TAB, SOLDER LUG
TERMINAL LOCATION	LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE
RELIABILITY INDICATOR	NOT ESTABLISHED
OVERALL LENGTH	1.562 INCHES NOMINAL
OVERALL DIAMETER	1.250 INCHES MAXIMUM

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