
查询250B20B501A1CA供应商
®
Commercial
Composition
9mm Diameter
V ariable Resistors
• Miniature 9mm size
• Low cost
• Bushing mount or PC mount
• Dual control
• Detent available
Series 250
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

UMD250RE
DIMENSION:
MM
INCH
Ordering Information
250 U 20 F 102 B 1 N A
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
* B – KNURLED 24 TEETH,
F – FLATTED 4.5MM,
**L – KNURLED 40 TEETH,
* NOT AVAILABLE IN
SINGLE SECTION WITH
BUSHING OR DUAL
SECTION
**NOT AVAILABLE IN DUAL
SECTION
“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
SHAFTS TRIM
4MM DIAMETER
THICKNESS
6MM DIAMETER
6MM DIAMETER
RESISTANCE CODE
EXAMPLES
CODE RESISTANCE
501 500Ω
102 1K
252 2.5K
502 5K
103 10K
253 25K
503 50K
104 100K
RESIST TOL
A – ±10%
B – ±20%
C – ±30%
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
*U STYLE TERMINALS ONLY
DETENT
N– NO
DETENT
* C– CENTER
DETENT
* NOT
AVAILABLE
IN DUAL
SECTION
WITHOUT BUSHING
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