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 DIMENSION: With Bushing MM INCH XMD250RE DIMENSION: MM INCH YMD250RE DIMENSION: MM INCH UMD250RE DIMENSION: MM INCH Ordering Information 250 U 20 “L” SHAFTS LENGTH 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 *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 N A TAPER 1 2 3 4 5 6 7 8 9 A B – – – – – – – – – – – 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 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 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 * NOT AVAILABLE IN SINGLE SECTION WITH BUSHING OR DUAL SECTION **NOT AVAILABLE IN DUAL SECTION 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