® Electrocomponents Series 280 Data Sheet Rotary Potentiometer Commercial 18mm Diameter Carbon Composition Rotary Potentiometer Features • 500K Cycle Life Available • 2% Precision Linearity Available • Durable Brass Bushing and Shaft • Wide Resistance Range • Low Noise • Solder Lug, Faston, PCB Terminal • Single, Dual, or Concentric Tandem Construction • RoHS compliant Electrical and Mechanical Specifications Resistance Range 500 ohms through 5 Megohms, linear 5K ohms through 500K ohms, audio Resistance Tolerance ±30%, ±20%, ±10% Stop Strength 5.76 kgf-cm minimum Linearity Standard : ±5% Special : ±3%, ±2% Mounting Information Bushing mount on Panel Bracket mount on PCB Power Rating 0.25 watts @ 55°C Dielectric Strength 750 VAC for 1 minute Push-Pull Strength of Shaft 8 kg for 10 seconds Maximum Operating Voltage 500 VDC Insulation Resistance 100 Megohms minimum @ 250 VDC Rotational Life Standard : 10K cycles Special : 100K, 250K, 500K cycles Rotational Angle 300 ° Operating temperature -10°C to +80°C Rotational Torque 36 – 216 gf-cm (.5~3 in.oz) Solder Heat Resistance 260°C for 5 seconds 1-4 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. 3/4/15 www.ctscorp.com 280V Metal Shaft, Bushing Mount, Printed Circuit Type “V” Terminals MTG. SURFACE 10.2±0.40 .402±.016 18.00 .709 MAX. 3/8-32UNEF-2A 8.50 .335 CENTER LINE OF POT MAX. 7.89±.013 .311±.005 12.70±0.05 .500±.002 12.50 .492 "A"± 1 3 2 6.40 .252 16.40 .646 WIPER 2 0.40 .016 CCW CW 1 0.80 "L"± .031 Ø2.08±0.05 (3)HL'S. .082±.002 3 CLOCKWISE CIRCUIT RECOMMENDED PCB LAYOUT mm INCH DIMENSION: 280T Metal Shaft, Bushing Mount, Type “T” Solder Lug Terminals MTG. SURFACE "L"±0.80 ±.031 10.2±0.40 .402±.016 MAX. 18.00 .709 "A"±0.40 ±.016 MAX. 8.30 .335 2 WIPER CCW 7.89±.013 .311±.002 CW 1 3 CLOCKWISE 11.20 .441 3/8-32UNEF-2A CIRCUIT 7.14 .281 1 2.18X1.52 .086X.060 2 3 2.92±0.08 .115±.003 HL'S(3) 16.40 .646 DIMENSION: mm INCH 280X Metal Shaft, Bushing Mount, Printed Circuit Type “X” Terminals MTG. SURFACE 10.2±0.40 .402±.016 18.00 .709 MAX. "L"±0.80 .031 "A"±0.40 10.00±0.05 .394±.002 .016 5.00±0.05 .197±.002 8.50 .335 2 MAX. 7.9±0.13 .311±.005 MTG. SURFACE WIPER CCW CW 1 11.20 .441 12.50 .492 3/8-32UNEF-2A 3 CLOCKWISE 6.83±0.05 .269±.002 CIRCUIT Ø1.40 (3) .055 1 2 3 16.40 .646 RECOMMENDED PCB LAYOUT DIMENSION: 2-4 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. mm INCH 3/4/15 www.ctscorp.com X2-280 Dual Section, Metal Shaft, Bushing Mount, Printed Circuit Type “X” Terminals MTG. SURFACE 18.00 .709 MAX. MTG. SURFACE 3/8-32UNEF-2A 8.50 .335 7.9±0.13 .311±.005 11.20 .441 3.68±0.05 .145±.002 MAX. WIPER 2 CCW CW 1 3 4 6 12.50 .492 WIPER 5 1 4 2 5 0.40 "A"± .016 3 6 15.1±0.40 .594±.016 16.40 .646 8.10±0.05 .319±.002 10.00±0.05 CIRCUIT 0.40 "L"± .016 5.00±0.05 .197±.002 Ø1.40 (6)HL'S. .055 CLOCKWISE .394±.002 RECOMMENDED PCB LAYOUT DIMENSION: mm INCH 280V-SPL Through Hole, Plastic Rotor, Printed Circuit Type “V” Terminals, Continuous Rotation. 17.06 .672 18.00 MAX. .709 Ø1.90 .075 12.70±0.05 .500±.002 Ø 4.05 .160 8.5 MAX. .335 10.19 .401 Ø7.50 .295 Ø1.40 (3)HL'S. .055 12.50 .492 3.05 .120 1.52 (2) .060 MOUNTING SURFACE 0.50 .020 5.00(2) .197 0.99 TYP. .039 5.00(2) RECOMMENDED PCB LAYOUT .197 2.00 1 3.41 1.20 .047 2 1 3 2 3 2 WIPER CCW 16.40 .646 CW 1 3 CLOCKWISE CIRCUIT DIMENSION: mm INCH Shaft Trim “X” “Z” “Y” “Z” “W” “X” “X” “Y” “X” “Y” “Z” R - ROUND X Imperial Shaft .250” Metric Shaft 6.00 F - FLATTED X Y Z Imperial Shaft .250” .156” .375” Metric Shaft 6.00 4.50 7.00 K - KNURLED & SLOTTED W X Y Z Imperial Shaft .250” .062” .344” 24 TEETH Metric Shaft 6.00 1.57 7.0 18 TEETH S - SLOTTED X Y Z Imperial Shaft .250” .046” .062” Metric Shaft 6.00 1.17 1.57 DIMENSION: 3-4 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. inch mm 3/4/15 www.ctscorp.com Ordering Information 280 X 2 20 R 103 SHAFT TRIM TERMINAL STYLE 1 SPECIALS RESIST TOL R – ROUND F – FLATTED K – KNURLED & SLOTTED S – SLOTTED T – SOLDER LUG X – PC STYLE PERPENDICULAR V – PC FORMED TO REAR 5 1 B A – ±10% B – ±20% C – ±30% 1 – NONE *2 – CENTER DETENT *NOT AVAILABLE FOR V280-SPL 0 – N/A (280V-SPL only) TAPER 1 – LINEAR 2 – 10% AUD 3 – 10% CCW AUD MOUNTING STYLE “A” BRASS BUSHING MOUNT Length(mm) Length(inch) A – 5.0mm 2 – .250" B – 6.35mm 3 – .375" C – 7.0mm 8 – 1.000" METAL SHAFT D – 9.5mm ALL M8 X .75P LINEARITY SHAFT LENGTH “L” ALL 3/8-32 NEF Increment : 1/32” DIECAST BUSHING MOUNT Z – 4.8mm M7 x .75P BRACKET MOUNT (280V-SPL only) 0- EAR MOUNT A0 – 10mm 20 – .625" A5 – 15mm 24 – .750" B0 – 20mm 28 – .875" B5 – 25mm 32 – 1.000" C0 – 30mm C5 – 35mm Diameter : 6mm Increment : 5mm Diameter : .250” Increment : 1/32” RESISTANCE CODE EXAMPLES CODE 501 102 252 502 103 253 503 104 RESISTANCE 500 OHMS 1K 2.5K 5K 10K 25K 50K 100K 5 – ±5% 3 – ±3% 2 – ±2% *N – N/A *LINEARITY SPEC IS FOR LINEAR TAPER ONLY. PLASTIC ROTOR (280V-SPL only) 00 – Plastic Rotor Please consult factory for dual constructions or custom features not listed. 4-4 CTS Electrocomponents © 2015 CTS Corporation. All rights reserved. Information subject to change. 3/4/15 www.ctscorp.com