Series 250
®
Commercial
Composition
9mm Diameter
Variable Resistors
• Miniature 9mm size
• Low cost
• Bushing mount or PC mount
• Dual control
• Detent available
Electrical and Mechanical Specifications
Resistance Range
Standard: 500 ohms through 1 megohms.
Special: For non-standard resistance values,
please contact CTS.
Resistance Tolerance
Standard: ±20%
Special: Tighter tolerances available
in most resistance values.
Resistance Taper
Standard: Linear
Special: Available
Power Rating
Single section - 0.05 watts @ 50°C derated to no load
@ 85°C for linear curve.
Dual section - 0.03 watts @ 50°C derated to no load
@ 85°C for linear curve.
Dielectric Strength
Withstands 250 VAC for 1 minute
Insulation Resistance
100 megohms minimum at 250 VDC
Maximum Operating Voltage
50 VAC, 20 VDC
Angle of Rotation
Total Rotation: 280° ± 5°
Rotational Torque
10-100 g-cm
Stop Strength
3kg-cm minimum
Detent
50% detent available in single section units
Pull-Push Strength
5kgf maximum
Rotational Life
Single seciton - 5K cycles
Dual section - 2K cycles
Slide Noise
Less than 100mV (measured by JIS C6443)
Gang Error
Within 3dB at –40 to 0 dB
Insertion Loss
0.1 dB maximum
Technical Data Sheet 1448C
Technical Data Sheet 1250
CTS CORPORATION /
MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS
250 B or X
DIMENSION:
MM
INCH
250Y
DIMENSION:
MM
INCH
250U
DIMENSION:
MM
INCH
UM250
With Bushing
DIMENSION:
MM
INCH
XMD250RE
DIMENSION:
MM
INCH
YMD250RE
DIMENSION:
MM
INCH
UMD250RE
DIMENSION:
MM
INCH
Ordering Information
250
U
– PC FORMED TO REAR
B
– 6.5MM HEIGHT, P.C.
(SINGLE SECTION ONLY)
X
– 10.0MM HEIGHT, P.C.
Y
– 10.0MM HEIGHT, P.C.
COVER EAR IN FRONT
OF TERMINALS
U
20
“L” SHAFTS LENGTH
*15
– 15MM
**20
– 20MM
**25
– 25MM
30
– 30MM
*NOT
AVAILABLE
IN SINGLE
SECTION WITH
BUSHING OR
DUAL SECTION
**NOT
AVAILABLE
IN DUAL SECTION
F
102
RESISTANCE CODE
EXAMPLES
CODE
501
102
252
502
103
253
503
104
RESISTANCE
500Ω
1K
2.5K
5K
10K
25K
50K
100K
B
1
2
3
4
5
6
7
8
9
A
B
–
–
–
–
–
–
–
–
–
–
–
1
TAPER
LINEAR
CW 10% AUDIO
CCW 10% AUDIO
CW 15% AUDIO
CCW 15% AUDIO
CW 20% AUDIO
CCW 20% AUDIO
CW 30% AUDIO
CCW 30% AUDIO
CW 5% AUDIO
CCW 5% AUDIO
N
A
DETENT
N–
NO
DETENT
*
C–
CENTER
DETENT
*
NOT
AVAILABLE
IN DUAL
SECTION
RESIST TOL
SHAFTS TRIM
*
B
– KNURLED 24 TEETH,
4MM DIAMETER
F
– FLATTED 4.5MM,
THICKNESS
6MM DIAMETER
**L
– KNURLED 40 TEETH,
6MM DIAMETER
*
NOT AVAILABLE IN
SINGLE SECTION WITH
BUSHING OR DUAL
SECTION
**NOT
AVAILABLE IN DUAL
SECTION
A
– ±10%
B
– ±20%
C
– ±30%
*
A
– DUAL SECTION WITH BUSHING
*
B
– SINGLE SECTION WITH BUSHING
D
– DUAL SECTION
BLANK
– SINGLE SECTION
WITHOUT BUSHING
*
U STYLE TERMINALS ONLY
Order From:
CTS CORPORATION, ELECTROCOMPONENTS
/ 1601 Mishawaka Street / Elkhart, Indiana 46514
North America Toll Free (888) 287-4690 / (219) 296-6700 / FAX: (219) 293-1240 http://www.ctscorp.com
CTS COMPONENTS TAIWAN, LTD.
/ 7, Central 6th Road (Chung Liu Road) / P.O. Box 26-20
Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Rep. of China
(07) 8216145 / FAX: (07) 8417642.8110040
5m-4-99I
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