®
Industrial 15/16"
(24mm) Diameter
1/2 Watt Composition
Variable Resistors
• Low cost
• Versatile mounting styles:
– bushing
– twist tab
– bend tab
– snap-in PC bracket
– solder lug or PC terminals
• Wide resistance range
• Molded / metal shaft & bushing
• Pull-push, Push-push and rotary power switches
• Shaft and bushing waterseal available
• Rear extended shaft available
• Single, tandem, or concentric constructions
• Special vernier adjust (multiturn) construction
available for fine adjustment
• Long life construction available
Series 450
Electrical and Mechanical Specifications
Resistance Range
100 ohms through 10 megohms (linear taper)
Long life construction - 10K ohms through 5 megohms
(linear taper)
Resistance Tolerance
Standard: ±20%
Power Rating, Watts
1/2 watt 10K ohms, 1/3 watt; above 10K ohms through
100K ohms, 1/4watt above 100K ohms. Full rating @
55°C, derated to no load at 85°C
Voltage Rating
Bushing to Terminals:
High pot test, one minute
Standard construction – 1080VAC
Vernier construction – 1000VAC
Operating maximum – 750VDC
Across End Terminals:
500 VDC, load not to exceed listed wattage ratings.
Special: 1500/1800VAC high pot available.
(continued on next page)
Features
Resistance Tapers
Standard – Linear,10% Audio and 10% CCW Audio
Special – Consult CTS
Rotational Angle
Standard Construction
Total Rotation: with rotary switch — 320° ± 5°
Total Rotation: without switch or with push-pull
or push-push switches — 300° ± 5°
Vernier Adjust Construction
Effective Rotation
With or without switch — 300° (approximate)
Special angle available — consult CTS
Bushing Information
Diameter: EIA Standard
3
/8"-32 UNEF-2A thread.
Standard length:
3
/8 " or
1
/4 " (9.53mm or 6.35mm)
Special length available upon request
Metric bushing available upon request
All models of 450 series pot. are now RoHS compliant
except 040 and 041 push-push power switches. The
two models of power switches are RoHS compliant
available upon request.
Special:
±
1
0
%
Shaft Rotational Angle
VA-450 – 3700° – 10 turns
1
/
4
5VA-450 – 2000° – 5 turns
1
/
2
1 - 9 01/25/07
CTS Electronic Components www.ctscorp.com
RoHS Compliant
© 2007 CTS Corporation. All rights reserved. Information subject to change.
