5905-01-066-3301 RESISTOR,FIXED,FILM Index 5905-01-066-3303 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
5905-01-066-3302

Federal Supply Class:
5905

National Item Identification Number:
010663302

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:
311-1889-0080009TEKTRONIX, INC.
35415-70-50332997BOURNS INC
3541S-458-50332997BOURNS INC
3541S-458-5033Z867BOURNS, INC.
3541S-70-5033Z867BOURNS, INC.
8141-20-273138BI TECHNOLOGIES CORPORATION


Techincal Specification:
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION3600.0 MINIMUM
ELECTRICAL RESISTANCE PER SECTION50.0 KILOHMS SINGLE SECTION
ACTUATOR TYPESINGLE SHAFT
ACTUATOR TRAVEL CONTROL FEATURESTOPS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER70.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 SINGLE SECTION
BODY DIAMETER0.875 INCHES NOMINAL
BODY LENGTH0.750 INCHES NOMINAL
BODY STYLECYLINDRICAL BUSHING MOUNTED
FRAGILITY FACTORMODERATELY RUGGED
FUNCTION CHARACTERISTIC PER SECTIONSINGLE SECTION LINEAR
FUNCTION CONFORMITY PER SECTIONSINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.25 TO 0.25 SINGLE SECTION
LATERAL RUNOUT0.005 INCHES
MAXIMUM STARTING TORQUE0.50 INCH-OUNCES
MAXIMUM STOP TORQUE75.00 INCH-OUNCES
MAXIMUM RUNNING TORQUE0.50 INCH-OUNCES
MECHANICAL BACKLASH IN DEG ANGULAR ROTATION1.0
MOUNTING BUSHING LENGTH0.312 INCHES NOMINAL
MOUNTING METHODSTANDARD BUSHING
PILOT DIAMETER RUNOUT0.005 INCHES
POWER DISSIPATION RATING PER SECTION IN WATTS2.0 FREE AIR SINGLE SECTION
PRECIOUS MATERIALGOLD
PRECIOUS MATERIAL AND LOCATIONTERMINAL SURFACES GOLD
RELIABILITY INDICATORNOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT-10.0 TO 10.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG3600.0 MINIMUM
SCREW THREAD QUANTITY PER INCH32.0
SCREW THREAD SERIES DESIGNATORUNEF
SCREW THREAD DIAMETER0.250 INCHES NOMINAL
SECTION QUANTITY1
SHAFT BEARING TYPESLEEVE
SHAFT END PLAY0.010 INCHES
SHAFT DIAMETER0.126 INCHES MAXIMUM
SHAFT RADIAL PLAY0.003 INCHES
SHAFT RUNOUT0.003 INCHES
SHAFT STYLEROUND, SLOTTED
SHAFT LENGTH0.812 INCHES NOMINAL
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS-100.0 TO 100.0 SINGLE SECTION
TERMINAL LOCATIONLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG


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