Commercial
Composition
9mm Diameter
Variable Resistors
Miniature 9mm size
Low cost
Bushing mount or PC mount
Dual control
Detent available
Series 250
Technical Data Sheet 1448C
C T S C O R P O R A T I O N /
M A N U F A C T U R E R O F R E L I A B L E E L E C T R O N I C C O M P O N E N T S
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 @ 50C derated to no load
@ 85C for linear curve.
Dual section - 0.03 watts @ 50C derated to no load
@ 85C 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 1250
"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
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
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-4-99
I
Ordering Information
250 U 20 F 102 B 1 N A
RESIST TOL
A 10%
B 20%
C 30%
DETENT
N NO
DETENT
* C CENTER
DETENT
* NOT
AVAILABLE
IN DUAL
SECTION
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
TAPER
1 LINEAR
2 CW 10% AUDIO
3 CCW 10% AUDIO
4 CW 15% AUDIO
5 CCW 15% AUDIO
6 CW 20% AUDIO
7 CCW 20% AUDIO
8 CW 30% AUDIO
9 CCW 30% AUDIO
A CW 5% AUDIO
B CCW 5% AUDIO
* A DUAL SECTION WITH BUSHING
* B SINGLE SECTION WITH BUSHING
D DUAL SECTION
BLANK SINGLE SECTION
WITHOUT BUSHING
* U STYLE TERMINALS ONLY
RESISTANCE CODE
EXAMPLES
CODE
RESISTANCE
501
500
102
1K
252
2.5K
502
5K
103
10K
253
25K
503
50K
104
100K
UMD250RE
DIMENSION:
MM
INCH
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