Professional Trimmers Type 4290 Series Type 4290 Series Characteristics Electrical Where size and reliability are critical, this range of 10mm square multiturn trimming potentiometers satisfies the requirements in industrial and professional applications. The cermet resistance element offers stability and high resolution. The trim- Resistance Range: Resistance Values: Resistance Tolerance: End Resistance: Slider Current: Power Rating: Isolation Voltage: Limiting Element Voltage: Breakdown Voltage: Insulation Resistance: Resolution: Rotational Noise (CRV): Temperature Coefficient: Electrical Adjustment: 10R to 2M 1, 2 and 5 in each decade 10% 2 ohms or 1% whichever is greater 100 mA DC or AC, maximum 0.5 Watts at 70C derating to zero at 125C 430 V DC or AC peak 300 V DC or AC RMS, maximum 900 V AC for one minute 1000 M at 500 V DC, minimum Essentially Infinite 3 Ohms or 1 %, whichever is greater 250 ppm/C, maximum 25 turns Characteristics Mechanical mer is actuated by a lead screw with a slipping clutch at each end of travel. Top or side adjustment components are available and pin configurations meet the majority of requirements. All units are fully sealed to withstand immersion in board washing solvents. Key Features High Stability Cermet Element 0.5 Watt Rating at 70C Slim Profile Assists Stacking Top & Side Adjustment Styles Available Flame Retardant Case End Stop: Starting Torque: Weight: Slipping clutch both ends 35 mNm 0.8 gram, approx. Characteristics Environmental Temperature Range: Temperature Storage: Thermal Shock: Bump Severity: Vibration Severity: Rotational Life: Load Life at 85C: Sealing: Climatic Category: -55C to +125C 1000 Hrs at 125C 5 Cycles -55C to +125C 4000 Bumps; 40 G (3mm or 390m/s2) 10 - 500Hz; 20 G 200 Cycles R <3% after 1000 hours Sealed for board washing 55/125/21 Dimensions 10.0 How to Order 4290 W 502 K Common Part Pin Configuration Resistance Value Tolerance W - Top Adjust The first two digits are significant figures of resistance value and the third denotes the number of zeros following. K - 10 % 4290 X - Side Adjust Y - Top Adjust Literature No. 1773169 Issued: 04-06 Dimensions are shown for reference purposes only. Dimensions are in millimetres unless otherwise specified. e.g. 1K: 102 10K: 103 100K: 104 Specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com