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Nonwire Wound Variable Resistor

Model / MPN: BL18245 | NSN: 5905-01-008-8432
ITAR Registered seal

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. 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 resistor (1), variable, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

Product Details
NATO Stock Number
5905-01-008-8432
Sold in multiples of
EA
DEMIL
NO
Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Body Diameter
Between 0.720 inches and 0.780 inches
Shaft Diameter
Between 0.124 inches and 0.126 inches
Shaft Length
Between 0.718 inches and 0.781 inches
Mounting Bushing Length
Between 0.235 inches and 0.265 inches
Body Length
0.750 inches
Shaft Style
Round
Switch Type
Rotary
Switch Voltage Rating In Volts
125.0
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
280.0
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
Between 0.360 inches and 0.390 inches
Switch Operating Position
Start of rotation
Switch Contact Arrangement
Single pole, single throw, normally open, both positions maintained
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Rear-bottom
Mounting Method
Standard bushing
Features Provided
Switch
Electrical Resistance Per Section
10.0 kilohms single section
Rotary Actuator Travel In Angular Deg
280.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-100.0/+250.0 single section
Power Dissipation Rating Per Section In Watts
2.0 free air single section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Switch Current Type And Rating In Amps
3.000 ac
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
5 tab, solder lug
BL182 Series Parts

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BL18245 Cross Reference
  • 13218E3334