Meggitt Citec PCB Trimmer Selection Guide A Selection Guide to Trimmer Potentiometers Meggitt Electronic Components offer a wide range of PCB trimmers in cermet and carbon, suited to hand or auto insertion, fully sealed or lower cost enclosure sealed specification. Size Turns Element Style Features Product 6mm sq. 13 Cermet Top, Side, Low Profile Fully Sealed 4270 10mm sq. 22 Cermet Top, Side, Low Profile Fully Sealed 4290 19mm rect. 15 Cermet Opaque / Clear Fully Sealed 433/422 4.5mm sq 1 Cermet Top Fully Sealed 468 6mm dia. 1 Cermet Top, Side Fully Sealed 470 6mm sq. 1 Cermet Top, Side Fully Sealed 4265 6mm sq. 1 Cermet Top, Side Fully Sealed 4275 10mm sq. 1 Cermet Top, Side, Low Profile Fully Sealed 4295 6mm dia. 1 Cermet Top, Side, Underside High Reliability 406 6mm dia. 1 Cermet Top, Side, Underside Low Cost 416 6mm sq. 1 Cermet Top, Side, Underside Auto Insertion 436 6mm sq. 1 Cermet Top, Side, Underside Auto Insertion 446 10mm sq. 1 Cermet Top, Side, Underside Finger Adjust 409 10mm sq. 1 Cermet Top, Side, Underside Plug In Shafts PTC10 15mm sq. 1 Cermet Top, Side, Underside Plug In Shafts PTC15 15mm dia. 1 Cermet Top, Finger High Power PC910 6mm sq. 1 Carbon Top, Side, Underside Low Cost N6 10mm sq. 1 Cermet Top, Side, Underside Plug In Shafts PT10 15mm sq. 1 Carbon Top, Side, Underside Low Cost PT15 15mm dia. 1 Carbon Top, Finger Enclosed MP For product or data not shown within this section please, contact our Sales Desk Tel: (01793) 611666 Fax: (01793) 611777 MEGGITT ELECTRONIC COMPONENTS Single Turn Single Turn Single Turn Multiturn Carbon Enclosed Cermet Enclosed Cermet Sealed Cermet SealedProfessional Trimmers Meggitt Citec 124 6mm square multiturn Key features stable high resolution cermet element type 4270 series 0.25 watts at 70C Small modern and reliable, this low temperature coefficient is a range of 6mm square multiturn trimming space saving size potentiometers well suited to double chevron seal industrial and professional applications. For stability, the fully sealed for board washing range has a cermet resistance low profile version available element. The trimmer is actuated by a lead screw with choice of adjustment styles slipping clutch at each end of travel. Components from this range are available with Specification various adjustment Electrical configurations. They are all Resistance Range: 10R to 1M fully sealed to stand up to Resistance Values: 1, 2, 5 in each decade Resistance Tolerance: 10% immersion in normal board Slider Current: 50mA washing solvents. Power Rating: 0.25 Watts at 70C derating to zero at 125C Limiting Element Voltage: 250V DC or AC RMS maximum Insulation Resistance: 1000M ohms at 500 Volts DC Rotational Noise (CRV): 3 ohms or 3% maximum, whichever is greater Temperature Coefficient: <100 ohms 200ppm/C, >100 ohms 100ppm/C Electrical Adjustment: 13 turns nominal PCB Trimmers Mechanical Environmental End Stop: Slipping Clutch action Temperature Range: - 55C ~ +125C Starting Torque: <35mNm Rotational Life: 200 cycles Mechanical Adjustment: 14 turns nominal Load Life: R <2% after 1000 hours Sealing: For board washing Dimensions 4270P 4270W 4270X 4270W & X Pinout How To Order 4270 W 103 K Common Part Pin Configuration Resistance Value Tolerance The first two digits are Please Request Full Data Example P - Low Profile significant figures of Sheet F0261 K - 10% 1K :102 4270 W - Top Adjust resistance value and the 10K :103 X - Side Adjust third one denotes the 100K:104 number of zeros following sales action desk (01793) 611666 sales fax line (01793) 611777