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
