®
Commercial 15/16"
(24mm) Diameter,
5-Watt, Wirewound
Variable Resistors
•Fully enclosed construction
•5-watt power rating
•Compact size
•Superior resistance stability
•Tandem constructions available
•Economical
•Bushing or twist tab mounting
•Available with pull-push and rotary
power switches
•3% maximum linearity
Series 026
Technical Data Sheet 1448C
CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS
Electrical and Mechanical Specifications
Resistance Range
Linear: 1 ohm through 25K ohms
Resistance Tolerance
Standard: ±10%
Special: Tighter tolerance available in most
Power Rating, Watts
5 watts @25 C, 4watts@55 C, derated to
no load at 105 C, linear taper, bushing
mounted control on steel panel 4" x 4" x .050"
(101.6mm x 101.6mm x 1.27mm).
(Derating required on two section controls.)
Voltage Rating
Bushing to Terminals:
High pot test, one minute --- 1,000 VAC
Operating maximum --- 500 VDC
Across End Terminals:
350 VDC maximum, load not to exceed
wattage rating.
Resistance Tapers
Standard: Linear, 15% audio
Special: Consult factory
Taps
One tap at 50% of resistance and rotation available
on resistance values under 5K ohms.
Power Switches
Available in most constructions.
Angle of Rotation
Total Rotation:
Without switch --- 300 ±5
With switch --- 300 ±5
Effective Rotation:
Without switch --- 280 approximate
With switch --- 265 approximate
(continued on next page)
Technical Data Sheet 10/28/03 Rev A
Audio: 20 ohms through 10K ohms
resistance values
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Operating Temperature
-10 C to +70 C
Turning Torque
0.75 to 6.0 IN.OZ. (45 to 360 g-cm)
Stop strength
Typical 8 to 15 Kg-cm (material dependent)
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