®
Commercial
Miniature
16mm Diameter
Composition
Variable Resistors
• Miniature 16mm style
• Bushing mounted with PC terminals and
shaft parallel or perpendicular to PC board
• Single or multiple section units
• Compatible with CTS 288 series rotary
encoders
Available with:
• Molded or metal shafts
• Push Pull Switch
• Electrical taps
• Center detent
Series 280
Technical Data Sheet 1448C
CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS
Electrical and Mechanical Specifications
Resistance Range
500 ohms through 5 megohms (linear taper).
Resistance Tolerance
Standard: ±20%
Special tolerances available
Power Rating, Watts
1/4watt per section through 10K ohms
1/8watt per section above 10K ohms
Full rating @ 55°C derated to no load at 85°C
for linear tapers (derating required on
multiple section controls).
Voltage Rating
Bushings to Terminals:
High pot test, one minute — 750 VAC
Operating maximum — 500 VDC
Across End Terminals:
350 VDC, load not to exceed power rating.
Insulation Resistance
100 megohms minimum dry
Angle of Rotation
Total Rotation:
Without switch — 300° ± 5°
Effective Rotation:
Without switch — 300° (approximate)
Rotation Torque
0.5-4 inch-ounces (36-288 gcm)
Switch Rating
Push pull type: 50mA, 20VDC
Technical Data Sheet 1280A