TYPE 51 SERIES Spindle Operated Potentiometers MEC CITEC POTENTIOMETERS INDUCTORS, SMDs SWITCHES, NETWORKS ENCODERS POWER COMPONENTS The type 51 Series from MEC Citec offers a small, high quality poten- tlometer system. You can choose a standalone module or a conventional bushed potentiometer with shaft. Advanced carbon polymer element technol- ogy potentiometers with or without switches are available to meet your every requirements. MEC CITEC KEY FEATURES M@ FULLY AUTOMATED ASSEMBLY AND TEST @ CHOICE OF SHAFTS AND EDGEWHEELS @ SPST SWITCH STYLES M@ AVAILABLE IN DISTRIBUTION @ AUTOMATIC MACHINE INSERTABLE MODULES @ LINEAR AND NON LINEAR LAWS @ ATTRACTIVELY PRICED MEGGITT ELECTRONICS SALES ACTION DESK (O793) 611666SPECIFICATION ELECTRICAL Resistance Range: Linear Law: Log Law: Tolerance: Power Rating: Linear Law: Log Law: Operating Voltage: Linear Law: Log Law: Load Life % A R: Rotational Life % AR: CRV (Linear Law): Dielectric Strength: Insulation Resistance: 470 Ohm to 4.7 Megohm 2.2K Ohm to 470K Ohm +20% (tighter by selection) 0.2 Wate @ 40C 0.1 Wart @ 40C 350 VAC or 500 VDC Max. JV P Max. x R Nom. < 10% after 1000 Hrs. @ 70C < 10% @ 15,000 Cycles 1% 500 VAC/S0 HZ > 100 Megohm DERATING CURVE 100 4 IN J \ g * | \ 604 N Dissipation as a function of temperature. z 4. TTT + x Potentiometers covered by this specification are 2 | derated from 100% rated dissipation at 40C to zero a 24 | \ ae dissipation at 100C. | \ 0 v T r T T T T T v F. T T T x T T T 40 0 40 70 100 13 Ambient Temperature (C) Linear Law 100% = 0.2W Non-Linear Law 100% = 0.1.W MECHANICAL Angle of Rotation: 300 42 Rotational Torque: 2.3 In. Oz Max. Scop Strength: 3.5 In. Lbs. Rotational Life: 25,000 Cycles ENVIRONMENTAL Storage Temperature: Operating Temperature: Humidity: Temperature Coefficient; -40C to 85C -25C to 70C < 10% A R RH 75% @ 35C + 500 PPM/C @ -25 to 70C SWITCH Contact Resistance: Rating: Contact Configuration: On/Off Torque: Operational Angle: Electrical Rotation: < 20 Milliohm Initial 3.5 Amp @ 14.4 VDC SPST Off @ CCWE 30 mNm Nominal 50 Max. 50 to 295 MEGGITT ELECTRONICSSTYLES AVAILABLE [TYPE 50 VERSION TYPE 57 VERSION WITHOUT SPINDLE SINGLE HORIZONTAL DUAL GANG VERTICAL MODE POTENTIOMETER Li SINGLE MODULE TYPE 53 VERSION TYPE 51 VERSION VERTICAL HORIZONTAL POTENTIOMETER TYPE 54 VERSION TYPE 56 VERSION SINGLE POTENTIOMETER POTENTIOMETER WITH SPST SWITCH At Ae 7 SPINDLE OPTIONS Potentiometers with Bush b- ML* = 30+ 0.3 po Me = 20 #034 | | 8+0.15 ' | | 8 +015 0 Sau fortes. vt fn We can offer any length up to 30mm, with or without flats or slots in metal. Plastic plug in shafts are shown overleaf. PANEL HOLE DATA Potentiometers with Bushes for single and dual gang required mounting holes fixing of potentiometers in chassis potentiometer with mounting bush ne with supplied M7 x 0.75mm T mounting nut; +: max. torque for QW tightening = 1 Nm; minimum thickness of mounting plate 2,7 min = 1 mmHOW TO ORDER - 51 SERIES POTENTIOMETERS Please specify : Type No. eg. 51 Spindle detail e.g. 6 mm diameter x 30 mm long Resistance Value e.g. 220k ohms Law e.g. Linear Switch detail e.g. SPST Accessories .g. plug-in edgewheel & size. NOTE The 51 Series is ordered by description due to the very wide multiples and configurations available. We will sample to your description and if approved, our Technical Sales Group will define a discrete part number to mect your requirements and for future ordering. SNAP-IN SHAFTS AND EDGEWHEELS - For Standalone Modules The diagram illustrates the snap-in part of a plastic 18207 a presse actuator which can be used to rotate the Series 51 Standalone module. Consult MEC Citec Sales Action Desk for details on our full custom knob and shaft capabilities. We will for example be pleased to +01 934 *al - peas oat @44"5 quote for moulding your shaft and knob as a single easzom snap-in component, subject to suitable volumes being available. r tH - asteta oy ACCESSORY OPTIONS - For Standalone Modules At the date of publication the following mould tools exist for standard plug-in accessories shaft. 60 mm long x 6 mm diameter with knurl end and screwdriver slot colour black 30 mm long x 6 mm diameter with knurl end and screwdriver slot colour black 20mm long x 6 mm diameter with knurl end and screwdriver slot colour black 10mm long x 6 mm diameter with knurl end and screwdriver slot colour black Edgewheels for horizontal modules 25 mm diameter colour black (other colours by request) 30 mm diameter Bon 0 0. r= 10 + 0.2 | 2546.1 25 +01 Printed in England Publicanon No. FO 144 4/94 MEC Meggitt Electronic Components Ltd. Ohmic House, Westmead Industrial Estate, Swindon, Wilts. SN5 7US Telephone: (0793) 487301 (Admin.) (0793) 611666 (Sales) Telex: 449112 Citec G Fax: (0793) 610217 or 495141 This publication is issued to provide outline information only and (unless specifically agreed to the contrary by the Company in wniting) is nor to form part of any order or be regarded as a representation telaring to the products or service concerned. We reserve the right to alter without notice the specificauon, design. price or conditions of supply of any product or service. Whilst MEC products are of the very highest quality and rehabiliry, all electrome components can occasionally be subject to failure. Where failure of an MEC Product could result in life threatening consequences, then the circunt and appheanon must be discussed wath the Company. Such areas might include ECG, respiratory, other medical and nuclear applications and any non fal safe applications curcute