Series 110
®
Commercial
3
/
4
" (19mm)
Diameter, 1
1
/
2
and 2
Watt Wirewound
Variable Resistors
Features
• Inexpensive design
• Open construction
• Four mounting styles
• Incorporated fixed resistor available
• Available with nylon knob
• Interchangeable mounting with
CTS Series 115 preset potentiometer
• RoHS compliant
Electrical and Mechanical Specifications
Resistance Range
1 ohm through 10K ohms (linear taper)
Resistance Tolerance
Standard:±20%
Special:±5% or 10%
Power Rating, Watts
2 watts @ 55°C derated to no load @ 105°C,
mounted on steel panel
1.5 watts @ 55°C derated to no load @ 105°C,
mounted on bakelite panel
Voltage Rating
Determined by resistance value and wattage rating
Resistance Taper
Standard:Linear taper only
Minimum Resistance
At ends of rotation: 1% or 1 ohm, whichever is greater
Resistance Taper
None
Incorporated Fixed Resistor
A fixed resistor can be incorporated in the Series 110
at the end of CW or CCW rotation to a minimum of 10%
of the total resistance. The rotation is shortened by an
amount proportional to the ratio of the fixed resistor to
the total resistance. Available at extra cost.
Angle of Rotation
246°±5°without fixed resistor stop
Resistor Adjustment
Standard Cross Slot: Provided in drive plate for screwdriver
adjustment.
Special Molded Knob: Available at extra cost secured to
drive plate cross slot.
Mounting Types Available
Type 110:
Solder or clinch-ear mounted
Type XPC - 110: Vertically mounted on printed circuit board
Type 111:
Snap-in mounting
Type 112:
Eyelet or rivet mounting
Rotational Torque
1
/
2
to 10 inch ounces (36 – 720 gf-cm)
Terminals
Terminals at end of CW or CCW rotation may be omitted.
Refer to terminals on all types by numbers 1 and 3 as
indicated on line drawings.
1-3
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
www.ctscorp.com
9/30/06
Type 111, Snap-In Mounted
END C.C.W ROT
NO.1 TERM
7.14
.281
MOUNTING PANEL
5.54
.218
10.11
.398
1.57
.062
2.79
.110
246°
21.59
.850
14.3
.563
9.40
.370
2
1.5 60
.0
20.22
.796
KNOB OPTIONAL
57°
1.4
.055
19.94
.785
57°
11.13
.438
END C.W ROT
NO.3 TERM
1.57
.062
10.72
.422
3.96
.156
5.56
.219
17.86
.703
40°
1
.05 .40
5
2
.11 .79
0
40°
SCREWDRIVER
ADJUSTMENT SLOT
DIMENSION:
mm
INCH
Type 112, Eyelet or Rivet Mounted
240°
ROT.
31.75
1.25
25.4
1.000
MOUNTING PANEL
KNOB OPTIONAL
19.94
.785
3.45
.136
9.53
.375
57°
40°
40°
57°
14.3
.563
OPTIONAL TERM LOC. B
25.4
1.000
12.7
.500
Ø3.45
.136
END C.C.W ROT
NO.1 TERM
END C.W ROT
NO.3 TERM
SCREWDRIVER
ADJUSTMENT SLOT
TERM LOC. A
11.13
.438
1.57
.062
TERMS
1.98/.078 X 0.4/.016
R8.64
.340R.
40°
40°
DIA. OF HOLE TO SUIT
TERM CLEARANCE.
1.57
.062
9.53
.375
8.74
.344
DIMENSION:
mm
INCH
Ordering Information
110
SERIES MOUNTING
DESIGNATION
110
– CLINCH EAR MOUNT
OR VERTICAL MOUNT
111
– SNAP-IN MOUNT
112
– EYELET MOUNT
U
A
KNOB OPTION
A
– NO KNOB
B
– .438" (11.1mm)
LONG KNOB
103
RESISTANCE CODE
EXAMPLES
CODERESISTANCE
5A0
5 OHMS
500
50
101
100
501
500
102
1K
252
2.5K
502
5K
103
10K
203
20K
B
RESIST TOL
A
– ±10%
B
– ±20%
D
– ± 5%
1
TAPER
1
– LINEAR
TERMINAL STYLE
X
– PC MOUNT (XPC-110 AND 112 ONLY)
U
– PC TERMINALS FORMED TO FRONT
(110, 111, 112 ONLY)
M
– PC TERMINALS FORMED TO FRONT
MEDIUM LENGTH (110 ONLY)
3-3
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
www.ctscorp.com
9/30/06
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