MEGGITT CITEC POTENTIOMETERS INDUCTORS, SURFACE MOUNT DEVICES SWITCHES, NETWORKS ENCODERS, SENSORS Spindle Operated Potentiometers TYPE 23 SERIES A popular range of 20mm control potentiometers, the type 23 ser ies can be tailored to suit more specific requirements. The potentiometers are available with printed carbon resistance element, choice of bush lengths in metal or plastic and insulated shafts up to 50mm in length. In addition BS approved mains and low current switches are available as standard options. MEGGITT CITEC KEY FEATURES VERSATILE DESIGN CAN BE CUSTOMISED TO SUIT YOUR REQUIREMENTS 0.4 WATT AT 40°C DIE CAST METAL BUSH AVAILABLE INSULATED BUSH AVAILABLE INSULATED SHAFTS UP TO 50mm EYELET OR PC TERMINATIONS RUGGED CONSTRUCTION MOUNTING BRACKET AUDIO LAWS AVAILABLE DUAL GANG AND DUAL CONCENTRIC STYLES SALES ACTION DESK TEL: (01793 611666) FAX: (01793 611777) EMAIL:[email protected] WEB: www.meglec.co.uk MEGGITT ELECTRONIC COMPONENTS LOG No FO144 ISSUE 6 4 PAGES 12-99 TYPE 23 SERIES SPECIFICATION 2 OF 4 ELECTRICAL Resistance Range ( Law ): 1K to 1M (Linear) 4K7 to 470K (Non Linear) 1, 2.2 and 4.7 per decade ± 20% (± 10% by selection) 0.4W (Linear), 0.2W (Non Linear) 500V DC or AC RMS 267° without switch, 232° with switch 5 Ohms maximum 2% maximum (Linear), 3% maximum (Non Linear) 4G minimum 1000 V AC peak Resistance Values: Resistance Tolerance: Rated Dissipation at 40°C: Limiting Element Voltage: Electrical Rotation: Terminal Resistance: Noise (ENR): Insulation Resistance: Voltage Proof: RESISTANCE LAWS A. - Linear B. - Log C. - Inverse Log PERCENT VOLTAGE RATED OUTPUT 100 90 80 70 C 60 A 50 40 B 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 % EFFECTIVE ELECTRICAL CLOCKWISE ROTATION MECHANICAL Operating Torque: Mechanical Rotation: End Stop Torque: 15 mNm maximum 300° 800 mNm maximum ENVIONROMENTAL Limits of Resistance Change: Temperature characteristics of resistance: Bump Severity: Vibration Severity: Climatic Catagory: Mechanical Endurance: 15% (After 1000 hours endurance) 5% ( -55°C to 125°C ) 390m/s², 4000 Bumps 10 - 500 Hz, 0.75mm or 98m/s² 8 days @ 36°C 82% RH R < 15% 15000 Operations (minimum) DIY DESIGN The 23 Series can be customised to suit your individual requirements with features such as detent action, track centre tap etc. Please call our technical sales team to discuss variations on these 20mm diameter devices. TYPE 23 SERIES SPECIFICATION L ± 0.5 10.7 20.4 DIMENSIONS 15 21.6 11.3 X 25.2 12.9 4 15 1.1 x 0.45 1.3 3.9 18.2 10.8 TYPE 24 10 A SE Viewed on component side Viewed on component side 20.3 20.4 L ± 0.5 9.6 10.7 5.7 L ± 0.5 W 25.2 12.9 23.1 12.9 X X 11 Y 0.45 x 1.1 18.2 1.6 4 18.2 4 22.2 10.2 TYPE 25 1.3 A S E Viewed on component side 12.7 20.9 2 Chassis piercing 1.3 TYPE 26 0.45 x 1.1 4.2 10 Y 4.6 10 10 23.0 W 0.65 x 1.1 1.3 A S E TYPE 23 X 12.9 4 0.45 1.1 x 0.45 L ± 0.5 25.2 Y W 3 OF 4 10 L ± 0.5 10.7 20.4 20.4 L ± 0.5 W 1 X Y W X 23.1 12.9 25.2 Y 12.9 15 18.2 3.9 0.45 x 1.1 4 4 10.2 1.1 x 0.45 18.2 TYPE 27 1.3 Viewed on component side 20.9 A S E 12.7 TYPE 28 10 L1 L2 PCB piercing plan 4 6 15 10 4 3.9 9.2 5 15.3 0.5 1.3 TYPE 29 10 15.3 1.4 L L 10 3.0 1.3 10 8.5 2.8 11.07 3.0 1.3 10 1.4 0.45 x 1.1 SWITCHED TYPES 3.9 PCB piercing plan HOW TO ORDER 23 E POTENTIMETER TYPE 23 - Std Spindle Style 24 - Standard 20mm with Mounting Bracket TYPE 23 SERIES X A CUSTOMER IDENTITY S - Standard X - Customer Special See drawing (provide copy with order) D - Special Cut and Mtd track 104 M L B RESIST ANCE V ALUE RESISTANCE VALUE BUSH DET AILS DETAILS T he first two digits are significant figures of resistance value and the third denotes the number of zeros following L - Diecast M10 x 9mm no location lug 6mm Hole W - Diecast M10 x 9mm with locator 6 mm hole Y - Diecast M10 x 9mm no locator 4mm hole M - Diecast 3/8" x 8mm with location lug 6.35mm hole K - Diecast 3/8" x 8mm no locator 6.35mm hole P - Diecast M7 x 6mm no locator 4mm hole S - Insulated M10 x 7mm 6mm Hole T - Insulated M10 x 10mm 6mm Hole U - No Bush F - Diecast 3/8" x 12mm 6.35mm hole G - Diecast 3/8" x 8mm no locator 4mm hole 100 k Ohms : 101 4.7 k Ohms : 472 22k Ohms : 223 100k Ohms : 104 25 - No Bush Mounting Bracket terminations swept forward parallel to shaft 26 - Pc terminations swept down to board for rear mounting 27 - Dual gang style single shaft same value/tol on each section 4 OF 4 22 A SHAFT LENGTH FMF in mm ie 22mm 28 - Pc T erminations Terminations swept forward parellel to shaft 29 - Dual Concentric style TERMINA TION STYLE TERMINATION E - Std Eyelet P - Std Pc 15mm MH R - Long Pc X - Extra long Pc S - Pc bent forward at 90° RESIST ANCE LA W RESISTANCE LAW RESIST ANCE TOLERANCE RESISTANCE A - Linear M - 20% B - log K - 10% C - Inv Inv.. Log N.B. Where a potentiometer is rear mounting then the SHAFT LENGTH is measured from the PCB to the tip of the shaft whether or not it is fitted with a mounting bush. SHAFT STYLE A - PLAIN 6mm B - SLOTTED 6mm C - FLA TTED 6mm FLATTED 5mm A/F D - FLA TTED 6mm FLATTED deep flat 4mm A/F E - PLAIN 4mm F - FULL 6.35mm flat - special angle G - FLA TTED 4mm FLATTED H - PLAIN 6.35mm J - FLA TTED 5.5mm FLATTED L - FLA TTED 6mm FLATTED 4.6mm A/F M - FLA TTED 6.35mm FLATTED alloy SWITCH DET AILS DETAILS A - DPST 4A/250 V Ac B - SPST - Eyelet termination C - DPDT Changeover switch D - DPST - Eyelet terminations on rear 1A N - No Switch T - SPST PC terminals Meggitt Electronic Components Ltd. Ohmic House, Westmead Industrial Estate, Swindon, Wilts. SN5 7US Telephone: (01793)487301 (Admin.) (01793) 611666 (Sales) www.megelec.co.uk Citec G Fax:(01793) 610217 or 51 This publication is issued to provdie outline information only and (unless specifically agreed to the contrary by the Company in writing) is not to form part of any order or be regarded as a representation relating to the products or service concerned. We reserve the right to alter without notice the specification, design, price or conditions of supply of any product or service. Whilst Meggitt Electronic Components products are of the very highest quality and reliability, all electronic components can occasionally be subject to failure. Where failure of a Meggitt Electronic Components product could result in life threatening consequences, then the circuit and application must be discussed with the Company. Such areas might include ECG, respiratory. and other medical and nuclear applications and any non fail safe applications circuit.