® Electrocomponents Series 250 Data Sheet Rotary Potentiometer Commercial 9mm Carbon Composition Rotary Potentiometer R Features • Miniature 9mm size • Snap-in structure • Vertical or horizontal PCB mount • Closed construction • Detent available • Low cost • RoHS compliant Electrical and Mechanical Specifications Resistance Range 500 ohms through 1 Megohms Stop Strength 3 kgf-cm minimum Resistance Tolerance ±30%, ±20%, ±10% Detent Detent @ 50% rotation Power Rating 0.05 watts @ 50°C Pull-Push Strength on shaft 5 kgs for 10 seconds Dielectric Strength 250 VAC for 1 minute Rotational Life Standard: 5 K cycles Special: 10 K, 100 K cycles Insulation Resistance 100 Megohms minimum @ 250 VDC Maximum Operating Voltage 50 VAC, 20 VDC Angle of Rotation 280° Rotational Torque 10 to 100 gf-cm 1-3 CTS Electrocomponents Operating Temperature 0°C to 85°C Solder Heat Resistance 260°C for 5 seconds Mounting Information P.C. board mounting Type “X”, “Y”, “B” : shaft parallel to P.C. board Type “U” : shaft perpendicular to P.C. board © 2010 CTS Corporation. All rights reserved. Information subject to change. 05/14/10 www.ctscorp.com 250X 9.7±0.2 .382±.008 8.2 ±0.05 .323±.002 5.5 .217 6.0 .236 3.3±0.05 .130±.002 +0.1 6.3 .248 10.0±0.5 .394±.02 2.1 -0.0 .083 +.004 -0 (2) +0.2 1.0 .039 +0.0 2.0 -0.1 .079 +.0 -.004 Ø1.1 -0.0 (3) Ø.043 +.008 -0 3.8 .150 5.0±0.05 .197±.002 +0.0 6.8 .268 0.8 -0.1 (3) .031 +.0 -.004 5.0 .197 7.4 .291 9.8 .386 3.3 .130 L± 0.5 .020 250Y 10.0±0.5 .394±.02 1.8 (2) .071 1.0 .039 DIMENSION: 9.7±0.2 .382±.008 5.00±0.05 .197±.002 5.5 .217 6.0 .236 6.5 .256 6.3 .248 +0.2 Ø1.1 -0.0 Ø.043 +.008 -0 +0.1 2.1 -0.0 .083 +.004 -0 (3) (2) 2.5±0.05 .098±.002 4.0 .157 2.0 -0.1 .079 +.0 -.004 5.0 .197 5.0 .197 7.4 .291 9.2 .362 3.0 .118 L± 0.5 .020 250U +0.0 2.0 -0.1 .079 +.0 -.004 0.8 -0.1 (3) .031 +.0 -.004 1.8 (2) .071 DIMENSION: L± 0.5 .020 1.0 .039 6.8 3.8 .268 .150 10.60±0.05 .417±.002 1.8 (2) .071 9.7±0.2 .382±.008 6.0 .236 5.5 .217 10.1 .398 6.3 .248 +0.1 2.10 -0 (2) +.004 .083 -0 +0.20 Ø1.1-0 Ø.043 +.008 -0 7.00±0.05 .276±.002 (3) 5.00±0.05 .197±.002 5.0 .197 11.4 .449 3.8 .150 DIMENSION: 250U With Bushing 2.0 .079 3.8 .150 8.5 .335 9.7±0.2 .382±.008 5.0 .197 6.0 .236 5.7 .224 3.8 .315 8.0 .315 5.5 .217 10.1 .398 6.3 .248 11.4 .449 +0.1 2.10 -0 (2) +.004 .083 -0 7.00±0.05 .276±.002 +0.20 Ø1.1-0 (3) Ø.043 +.008 -0 5.0 .197 5.00±0.05 .197±.002 DIMENSION: 2-3 CTS Electrocomponents mm inch 10.60±0.05 .417±.002 1.8 (2) .071 L ± 0.5 .020 7.0 .276 mm inch Without Bushing 5.7 .224 7.0 .276 8.2 ±0.05 .323±.002 +0.0 +0.0 2.5 .098 mm inch © 2010 CTS Corporation. All rights reserved. Information subject to change. mm inch 05/14/10 www.ctscorp.com 250B 9.7±0.2 .382±.008 1.8 (2) .071 8.2 ±0.05 .323±.002 5.5 .217 6.0 .236 6.3 .248 6.5±0.5 .256±.02 -0 (2) +0.2 Ø1.1 -0.0 (3) Ø.043 +.008 -0 3.58±0.3 .141±.012 1.0 .039 +0.0 2.50±0.05 .098±.002 +0.0 2.0 -0.1 .079 +.0 -.004 0.8 -0.1 (3) .031 +.0 -.004 5.0 .197 7.4 .291 9.8 .386 3.3 .130 6.8 .268 3.3±0.05 .130±.002 +0.1 2.1 -0.0 .083 +.004 L ± 0.5 .020 2.50±0.05 .098±.002 DIMENSION: mm inch Shaft Trim F - FLATTED Ø 6.0 Ø .236 B - KNURLED L - KNURLED H Ø 4.0 Ø .156 Ø 4.5 Ø .177 Ø 6.0 Ø .236 24 TEETH "L" Shaft Length 15mm(.591") 40 TEETH “H” Dimension 6mm (.236”) 20mm(.787") 7mm (.276”) 25mm(.984") 12mm (.472”) 30mm(1.181") 12mm (.472”) DIMENSION: mm inch Ordering Information 250 TERMINAL STYLE U– B– X– Y– PC FORMED TO REAR 6.5mm(.256") HEIGHT, P.C. 10.0mm(.394") HEIGHT, P.C. 10.0mm(.394") HEIGHT, P.C. COVER EAR IN FRONT OF TERMINALS U 20 "L" SHAFTS LENGTH * 15 –15mm(.591") 20 – 20mm(.787") 25 – 25mm(.984") ** 30 – 30mm(1.181") * Not available in bushing construction. ** Not available in terminal style Y. F 102 RESISTANCE CODE EXAMPLES CODE 501 102 252 502 103 253 503 104 RESISTANCE 500Ω 1K 2.5K 5K 10K 25K 50K 100K SHAFTS TRIM * B – KNURLED 24 TEETH, F – FLATTED L – KNURLED 40 TEETH * Not available in bushing construction. 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 RESIST TOL A – ±10% B – ±20% C – ±30% SPECIALS * B – WITH BUSHING BLANK – WITHOUT BUSHING * U Style terminals only. 3-3 CTS Electrocomponents © 2010 CTS Corporation. All rights reserved. Information subject to change. 05/14/10 www.ctscorp.com