CTS 280

Series 280
®
Commercial
Miniature
16mm Diameter
Composition
Variable Resistors
Features
• Miniature 16mm style
• Bushing mounted with PC
terminals and shaft parallel or
perpendicular to PC board
• Single, tandem or concentric units
• RoHs compliant
Available with:
• Molded or metal shafts
• ± 2% Linearity
• Center detent
Electrical and Mechanical Specifications
Resistance Range
500 ohms through 5 megohms (linear taper).
Resistance Tolerance
Standard:±30%
Special: ±20%, ±10%
Power Rating, Watts
1/4 watt per section through 10K ohms
1/8 watt 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
Insulation Resistance
100 megohms minimum @ 250 VDC
Rotational Angle
Total Rotation: 300°±5°
Effective Rotation: 300°(approximate)
Rotational Torque
21.6~216 g-cm (0.3~3 in-oz)
Locating Lugs
Available without lugs
Mounting Information
Standard: Bushing mount
Diameter: 3/8”-32UNEF-2A or M8 x .75P thread
Standard Length: 9.53mm(.375”) or 6.35mm(.250”)
Special Length: Available as required
Special: PCB, Bracket mount
Across End Terminals:
350 VDC, load not to exceed power rating.
Life Cycle
Standard: 10K cycles
Special: 100K ~ 500K cycles.
1-4
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
10/25/06
www.ctscorp.com
B280 Metal Shaft, Die casting bushing, "XB" style Terminals with Bracket
2
WIPER
CCW
MTG. SURFACE
"L"±
19.8
.780
A±
18.0
.709 MAX.
0.8
.031
CIRCUIT
MTG. SURFACE
5.00±0.05
.197±.002
10.2±0.4
.402±.016
6.35±0.05
.250±.002
8.5
.335
11.2
.441
3
CLOCKWISE
9.53±0.05
.375±.002
0.4
.016
CW
1
19.06±0.05
.750±.002
Ø1.40 (3)HL'S
.055
12.5
.492
2.54±0.05
.100±.002
12.70±0.05
.500±.002
M7X.75P
1
Ø2.08±0.05 (4)HL'S
.082±.002
3
2
16.4
.646
RECOMMENDED PCB LAYOUT
DIMENSION:
mm
INCH
T280 Metal Shaft, Bushing mount, Type “T” Solder Lug Terminals
MTG. SURFACE
"L"±0.8
±.031
10.2±0.4
.402±.016
MAX.
18.0
.709
"A"±0.4
±.016
MAX.
8.5
.335
7.9±.013
.311±.002
2
WIPER
CCW
CW
1
3
CLOCKWISE
11.2
.441
3/8-32UNEF-2A
CIRCUIT
10.9
.429
1
2.18X1.52
.086X.060
2
3
2.92±0.08
.115±.003
HL'S(3)
16.4
.646
DIMENSION: mm
INCH
X280 Metal Shaft, Bushing Mounting, Printed Circuit Type "X" Terminals
MTG. SURFACE
10.2±0.4
.402±.016
18.00
.709
MAX.
"L"±0.8
.031
"A"±0.4
10.00±0.05
.394±.002
.016
8.5
.335
7.9±0.13
.311±.005
5.00±0.05
.197±.002
MAX.
2
MTG. SURFACE
WIPER
CCW
CW
1
11.20
.441
12.50
.492
3/8-32UNEF-2A
3
CLOCKWISE
6.83±0.05
.269±.002
CIRCUIT
Ø1.40 (3)
.055
1
2
16.4
3
.646
RECOMMENDED PCB LAYOUT
DIMENSION:
2-4
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
mm
INCH
10/25/06
www.ctscorp.com
V280 Metal Shaft, Bushing Mounting, Printed Circuit Type "V" Terminals
MTG. SURFACE
10.2±0.4
.402±.016
18.0
.709 MAX.
8.5
.335
3/8-32UNEF-2A
CENTER LINE OF POT
MAX.
7.9±.013
.311±.005
12.70±0.05
.500±.002
12.5
.492
"A"±
1
3
2
6.4
.252
16.4
.646
0.4
.016
0.8
"L"±
.031
WIPER
2
CCW
CW
1
Ø2.08±0.05 (4)HL'S.
.082±.002
3
CLOCKWISE
CIRCUIT
RECOMMENDED PCB LAYOUT
mm
INCH
DIMENSION:
X2-280 Dual Section, Metal Shaft, Bushing Mounting, Printed Circuit Type "X" Terminals
MTG. SURFACE
18.0
.709
MAX.
MTG. SURFACE
3/8-32UNEF-2A
8.5
.335
7.9±0.13
.311±.005
11.2
.441
1
4
2
3
5
6
3.68±0.05
.145±.002
MAX.
2
12.5
.492
CW
1
3
4
6
5
0.4
"A"± .016
15.1±0.4
.594±.016
16.4
.646
WIPER
CCW
8.10±0.05
.319±.002
WIPER
Ø1.40 (6)HL'S.
.055
CLOCKWISE
CIRCUIT
0.4
"L"± .016
5.00±0.05
.197±.002
10.00±0.05
.394±.002
RECOMMENDED PCB LAYOUT
mm
INCH
DIMENSION:
BC2-280 Dual Section, Metal Shaft, Bushing Mounting, Printed Circuit Type "XB" Terminals
with Bracket
MTG. SURFACE
19.8
.780
"L2"±
"L1"± 0.8
.031
MAX.
18.0
.709
MTG. SURFACE.
0.8
.031
19.06±0.05
.750±.002
9.53±0.05
.375±.002
DIMENSION:
5.00±0.05
.197±.002
2.54±0.05
.100±.002
15.1±0.4
.594±.016
6.35±0.05
.250±.002
8.5
.335
MAX.
7.9±0.13
.311±.005
11.2
.441
7.49±0.05
.295±.002
12.70±0.05
12.5
.492
.500±.002
"A"±
1
2
3
4
5
6
mm
INCH
0.4
.016
3/8-32 UNEF-2A
10.00±0.05
Ø1.40 (6)HL'S.
.055
.394±.002
Ø2.08±0.05 (4)HL'S.
.082±.002
RECOMMENDED PCB LAYOUT
16.4
.646
2
WIPER
CCW
CW
1
3
4
6
5
WIPER
CLOCKWISE
CIRCUIT
3-4
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
10/25/06
www.ctscorp.com
V280-SPL Hollow Shaft Type, Printed Circuit “X” Type Terminals,
360 degree endless rotation angle.
17.06
.672
18.00 MAX.
.709
Ø1.90
.075
8.5 MAX.
.335
12.70±0.05
.500±.002
4.05
Ø .160
10.19
.401
Ø7.50
.295
Ø1.40 (3)HL'S.
.055
12.50
.492
3.05
.120
1.52
(2 )
.060
MOUNTING SURFACE
0.50
.020
5.00(2)
.197
0.99 TYP.
.039
5.00(2)
RECOMMENDED PCB LAYOUT
.197
2.00
1
3.41
1.20
.047
1
3
2
3
2
2
WIPER
CCW
16.40
.646
CW
1
3
CLOCKWISE
CIRCUIT
mm
DIMENSION:
INCH
Ordering Information
280
X
2
20
TERMINAL STYLE
B – XB STYLE
T – SOLDER LUG
X – PC (X STYLE)
V – PC FORMED
TO REAR
MOUNTING STYLE “A”
R
103
SHAFT TRIM
RESIST TOL
R – ROUND
F – F x 4.5mm
(For metric size)
.375 x .156"
(For inch size)
K – 18 TEETH
(For metric size)
24 TEETH
(For inch size)
S – SD SLOT
0 – HOLLOW TYPE
A – ±10%
B – ±20%
C – ±30%
A – 5.0mm
2 – .250"
B – 6.35mm
3 – .375"
C – 7.0mm
8 – 1.000"
D – 9.5mm
ALL
M8 x .75P
ALL
3/8-32 UNEF
0 – Hollow Type
Z – 4.8mm M7 x .75P
1
SPECIALS
1 – NONE
2 – CENTER
DETENT
TAPER
1 – LINEAR
2 – 10% AUD
3 – 10% CCW AUD
LINEARITY
BUSHING LENGTH:
1/8" (3.2mm) INCREMENTS
EXAMPLES:
mm
inch
5
1
B
SHAFT LENGTH “L”
FROM MOUNTING SURFACE
1/32" (0.8mm) INCREMENTS
mm
EXAMPLES:
inch
A0 – 10mm
20 – .625"
A5 – 15mm
24 – .750"
B0 – 20mm
28 – .875"
B5 – 25mm
32 – 1.000"
C0 – 30mm
RESISTANCE CODE
EXAMPLES
CODE
501
102
252
502
103
253
503
104
RESISTANCE
500 OHMS
1K
2.5K
5K
10K
25K
50K
100K
5 – ±5%
3 – ±3%
* 2 – ±2%
CTS for
* Consult
details.
C5 – 35mm
ALL
6.0mm Dia.
ALL
.250" Dia.
00 – Hollow Type
4-4
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
10/25/06
www.ctscorp.com