MEGGITT CITEC POTENTIOMETERS INDUCTORS, SURFACE MOUNT DEVICES SWITCHES, NETWORKS ENCODERS, SENSORS Professional Trimmers TYPE 422PW AND 433PW SERIES When you need a durable trimming potentiometer, these 19mm rectilinear styles offer quality performance at a competitive price. They feature a cermet element for stability and resolution and are available in two formats. Type 422PW has a transparent plastic case so the wiper position may be clearly seen. Type has an opaque plastic case. Either will withstand all recognised board washing solvents. Both styles can be offered with panel mount for external adjustment. MEGGITT CITEC KEY FEATURES STABLE INFINITE RESOLUTION HIGH PERFORMANCE AUDIBLE CLICK AT WIPER END STOP TRANSPARENT CASE AVAILABLE RUGGED CONSTRUCTION FULLY SEALED PANEL MOUNT AVAILABLE ATTRACTIVE PRICE KEEPS DOWN COSTS SALES ACTION DESK MEGGITT TEL: (01793 611666) ELECTRONIC FAX: (01793 611777) COMPONENTS EMAIL: sales megelec.co.uk WEB SITE: www.megelec.co.uk LOG No FO262 ISSUE 6 2 Pages 02-00SPECIFICATION TYPE 422/433 SERIES Page 2 of 2 ELECTRICAL Resistance Range: 10 Ohms to 2M Ohms STD Resistance Values: 1, 2 and 5 in each decade STD Resistance Tolerance: 10% End Resistance: 2 Ohms or 1% of total resistance, whichever is greater Slider Current: 100 mA or within power rating maximum Power Rating, Watts: 0.75 at 70C derating to zero at 125C Isolation Voltage: 500 V dc or ac peak Input Voltage: 400 V dc or ac RMS maximum Breakdown Voltage: 1000 V ac for one minute Insulation Resistance: 100 M ohms at 500 V dc minimum Resolution: Essentially Infinite Rotational Noise (CRV): 1 Ohms or 1 % of total resistance, whichever is greater Temperature Coefficient: 100 ppm/C maximum Electrical Adjustment 15 Turns Nominal MECHANICAL End Stop: Slipping Clutch Both Ends Starting Torque: 35mNm maximum Mechanical Adjustment: 18 Turns Nominal Weight: 1.4 grams max.imum ENVIRONMENTAL Temperature Range: -55C to +125C Temperature Storage: 1000 Hrs at 125C Thermal Shock: 5 Cycles -55C to +125C 4000 Bumps 40g (3mm or 390 m/s) Bump Severity: Vibration Severity: 10 - 500Hz 10g (0.75mm or 98m/s) Rotational Life: 200 Cycles Load Life at 85C: R < 2% after 1000 Hours Sealing: Sealed for Board Washing 55/125/21 Climatic Category: 19.05 DIMENSIONS 1.52 4.83 2.36 0.79 DIA. 1 3 CW 2 0.5 0.76 DIA. 2.54 5.08 12.7 3.3 All Dimensions are nominal and in mm unless othrwise shown.Do Not Scale. HOW TO ORDER 433433433433433 102102102102102 KKK PWPWPWPWPW KK COMMON PCOMMON PCOMMON PCOMMON PCOMMON PARTARTARTARTART ORIENTORIENTORIENTORIENTORIENTAAAAATIONTIONTIONTIONTION RESISTRESISTRESISTRESISTRESISTANCE VANCE VANCE VANCE VANCE VALUEALUEALUEALUEALUE TOLERANCETOLERANCETOLERANCETOLERANCETOLERANCE The first digits are Example PW for PCB Mount 433 - Opaque case significant figures of 1k : 102 K = 10% resistance value and 10k : 103 the third one denotes the 422 - Clear case PM for Panel Mount 100k : 104 number of zeros following Meggitt Electronic Components Ltd. Ohmic House, Westmead Industrial Estate, Swindon, Wilts. SN5 7US Telephone:(01793)487301(Admin.) (01793)611666 (Sales) EMail:sales megelec.co.uk Fax:(01793) 611777 This publication is issued to provide 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. 4.19 6.35 MIN 0.38 MIN 4.7 0.64