T73

T73 Vishay Sfernice 1/4" Square Single-Turn Cermet Sealed Trimmers FEATURES • Industrial grade • Fully sealed • Miniature package • Rotor designed for automatic machine adjust interface • Withstands harsh environments and immersion cleaning process RoHS COMPLIANT DIMENSIONS in millimeters T73Y Top adjust T73YP T73YE T73YU T73YB 6.6 Ø 0.46 7 3.8 5.46 ± 0.38 4.7 54 2.54* 3 2.54* 2 Base level 2.54 1 3.53 2.54* 2 2.54* 3 2.54* 2.54* 3 2 2.54* 1 3.53 2. 54 2. 2 1 3.53 4.06 ± 0.38 3 1 T73X Side adjust T73XX Ø 0.46 ± 0.05 7 3.8 1.02 3 2.54* 2 2.54* 1 2.54* 1.02 1 2.54* 2 2.54* 3 2.29 2.54 1 2.54* 2 2.54* 3 4.7 T73XH T73XW 6.6 5.46 ± 0.38 Base level 4.7 4.7 Tolerances unless otherwise specified ± 0.25 mm Cruciform slot Ø 3 long 2.77, wide 0.64 - deep 0.89 CIRCUIT DIAGRAM a (1) b (2) cw c (3) www.vishay.com 42 For technical questions, contact: sfer@vishay.com See also: Application notes Document Number: 51016 Revision: 24-Jan-07 T73 1/4" Square Single-Turn Cermet Sealed Trimmers Vishay Sfernice ELECTRICAL SPECIFICATIONS Resistive Element Electrical Travel Resistance Range Standard Series Tolerance Standard Power Rating Temperature Coefficient Limiting Element Voltage Contact Resistance Variation Absolute Minimum Resistance Adjustability Resolution Insulation Resistance (500 V DC) Dielectric Strength Linear Logarithmic Cermet 240° nominal 10 Ω to 2 MΩ 1-2-5 ± 10 % 0.5 W at 70 °C not applicable ± 100 ppm/°C 300 V 1 % or 3 Ω max. whichever is greater 1 % or 2 Ω max. whichever is greater ± 0.05 % voltage ± 0.15 % resistance infinite 103 MΩ minimum 900 Vac sea level 350 Vac 80 000 feet MECHANICAL SPECIFICATIONS Mechanical Travel Operating Torque (max. Ncm) End Stop Torque (max. Ncm) Unit Weight (max. g) 270° 2.1 4.9 0.6 POWER RATING CHART 0.50 ENVIRONMENTAL SPECIFICATIONS Temperature Range - 55 °C to + 125 °C Climatic Category 55/100/56 Seal Test 85 °C Fluorinert** Flammability UL 94-VO ** Fluorinert is a registered trademark of 3M Co. POWER IN WATT 0.25 0 0 20 40 60 70 100 125 140 AMBIENT TEMPERATURE IN DEGREES CELSIUS PERFORMANCE TESTS Load Life CONDITIONS 1000 hours - 0.5 W at + 70 °C ΔR R ΔR R ΔR R ΔR R ΔR R TYPICAL VALUES AND DRIFTS ≤3% CRV ΔV V ΔV V i.R. 10 MΩ CRV