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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 40C 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
MEGGITT ELECTRONIC COMPONENTS
SALES ACTION DESK TEL: (01793 611666) FAX: (01793 611777) EMAIL:sales@megelec.co.uk WEB: www.meglec.co.uk
LOG No FO144 ISSUE 6 4 PAGES 12-99
SPECIFICATION ELECTRICAL
Resistance Range ( Law ): Resistance Values: Resistance Tolerance: Rated Dissipation at 40C: Limiting Element Voltage: Electrical Rotation: Terminal Resistance: Noise (ENR): Insulation Resistance: Voltage Proof:
TYPE 23 SERIES
2 OF 4
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 LAWS
100
PERCENT VOLTAGE RATED OUTPUT
A. - Linear B. - Log C. - Inverse Log
90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 B C A
% 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% ( -55C to 125C ) 390m/s, 4000 Bumps 10 - 500 Hz, 0.75mm or 98m/s 8 days @ 36C 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.
SPECIFICATION DIMENSIONS
20.4 10.7
TYPE 23 SERIES
L 0.5 21.6 11.3
3 OF 4
L 0.5
15 4
25.2 12.9 W 1.1 x 0.45 18.2 1.3 0.45 3.9 Viewed on component side
X Y 15 4 1.1 x 0.45 1.3 12.9
25.2 W 4.6 Y
X
0.65 x 1.1 10 10
TYPE 24
Viewed on component side
TYPE 23
23.0
ASE 10 10.8 5.7
A SE 20.3 20.4
L 0.5
9.6 10.7 W 23.1 12.9
L 0.5
25.2 12.9 18.2
22.2 10.2
X 0.45 x 1.1 4 18.2
X 11 4 0.45 x 1.1 Y
TYPE 26
1.6
TYPE 25
ASE Chassis piercing L 0.5 10 20.4 20.4
1.3 Viewed on component side 10.7 W 23.1 12.9 18.2 4 10.2 1.1 x 0.45 18.2 X Y 0.45 x 1.1 L 0.5
4.2 12.7 10 1.3
20.9 2 1
X W 3.9 Y 15 4
25.2 12.9
TYPE 27
1.3 Viewed on component side ASE 10
12.7
TYPE 28
20.9 L2
L1 PCB piercing plan 4
15 4 3.9
6 10
TYPE 29
1.3
10
9.2 0.5 3.0 8.5 11.07 10
5
15.3
15.3 1.4 L 10 1.3 10
L
2.8 3.0 1.3 1.4 0.45 x 1.1
SWITCHED TYPES
3.9 PCB piercing plan
HOW TO ORDER
TYPE 23 SERIES
4 OF 4
23 POTENTIMETER TYPE
E
X CUSTOMER IDENTITY S - Standard X - Customer Special See drawing (provide copy with order) D - Special Cut and Mtd track
A
104 RESISTANCE VALUE RESISTANCE VALUE T he first two digits are significant figures of resistance value and the third denotes the number of zeros following 100 k Ohms : 101 4.7 k Ohms : 472 22k Ohms : 223 100k Ohms : 104
M
L DETAILS BUSH DETAILS 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
B
22 SHAFT LENGTH FMF in mm ie 22mm
A
23 - Std Spindle Style
24 - Standard 20mm with Mounting Bracket
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 Terminations 28 - Pc Terminations swept forward parellel to shaft
29 - Dual Concentric style
TERMINATION TERMINATION STYLE E - Std Eyelet P - Std Pc 15mm MH R - Long Pc X - Extra long Pc S - Pc bent forward at 90
RESISTANCE LAW RESISTANCE LAW A - Linear
RESISTANCE RESISTANCE TOLERANCE
SHAFT STYLE A - PLAIN 6mm B - SLOTTED 6mm FLATTED C - FLATTED 6mm 5mm A/F FLATTED D - FLATTED 6mm deep flat 4mm A/F E - PLAIN 4mm F - FULL 6.35mm flat - special angle FLATTED G - FLATTED 4mm H - PLAIN 6.35mm FLATTED J - FLATTED 5.5mm FLATTED L - FLATTED 6mm 4.6mm A/F FLATTED M - FLATTED 6.35mm alloy
DETAILS SWITCH 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
M - 20% B - log K - 10% Inv. C - 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.
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.

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