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| T93 Vishay Sfernice 3/8" Square Multiturn Cermet Trimmers FEATURES * Industrial Grade * 0.5 Watt at 70C The T93 is a small size trimmer - 3/8" x 3/8" x 3/16" answering PC board mounting requirements. Five versions are available which differ by the position of the control screw in relation to the PC board plane and by the spacing of the terminals. Excellent operational stability is provided by the use of a cermet element. * CECC 41 100 * MIL-R-22097 * Good stability * Contact resistance variation < 1% typical * Meet MIL-R-22097 specifications Terminal Spacing on a 2.54 PCB 9.8 max 5 1 a b c 1.3 0.5 O 2.2 7.9 0.2 1.2 0.2 5 max a b c DIMENSIONS in millimeters T93XA 2.3 0.2* 2.54 2.54 slot 0.6 x 0.6 O 0.5 9.7 max T93XB 2.54 2.54* 2.54* slot 0.6 x 0.6 0.6 0.2* 9.8 max 5 1 a b c O 0.5 1.3 0.5 O 2.2 7.9 0.2 5 max a b c 9.7 max 1.2 0.2 T93YA 2.3 0.2* O 2.2 2.54* 2.54* slot 0.6 x 0.6 1.3 9.8 max 5 1 a b c O 0.5 1.2 0.1 1.6 0.1 9.7 max a b c 5 max T93YB 0.6 0.2* 2.54 2.54* 2.54* 1.2 0.1 1.3 O 2.2 slot 0.6 x 0.6 0.5 9.8 max 5 1 1.6 0.1 a b c O 0.5 9.7 max a b c 5 max T93Z slot 0.6 x 0.6 4.8 0.2* 2.54* 5.2 max 51 9.7 max c b a O 0.5 Base 0.5 level 9.7 max 1.3 0.1 1.2 0.1 c b a O 2.2 1.3 2.54* 2.54* CIRCUIT DIAGRAM a c (3) b (2) cw *to be measured at base level (1) www.vishay.com 64 For technical questions, contact sfer@vishay.com Document Number: 51026 Revision 04-Mar-02 T93 3/8" Square Multiturn Cermet Trimmers ELECTRICAL SPECIFICATIONS Resistive Element Electrical Travel Resistance Range Standard Series E3 Tolerance Power Rating Temperature Coefficient Limiting Element Voltage (Linear Law) Contact Resistance Variation End Resistance (Typical) Dielectric Strength (RMS) Insulation Resistance (500 VDC) Standard On Request Linear Logarithmic cermet 19 turns 2 10 to 2.2 M 1 - 2.2 - 4.7 and 1 - 2 - 5.. 10% 5% 0.5 W at + 85C not applicable See Standard Resistance Element Data 250 V 2% Rn or 2 1 1000 V 106M Vishay Sfernice MECHANICAL SPECIFICATIONS Mechanical Travel Operating Torque (max. Ncm) End Stop Torque Unit Weight (max. g) 22 turns 5 1.5 1.2 POWER RATING CHART 0.5 RATED POWER IN WATT 0 0 25 50 70 85 100 155 AMBIENT TEMPERATURE IN DEGREES CELSIUS clutch action ENVIRONMENTAL SPECIFICATIONS Temperature Range Climatic Category Sealing - 55C + 155C 55/125/56 fully sealed container IP67 PERFORMANCE TESTS Load Life CONDITIONS 1000 hours at rated power 90'/30' - ambient temperature 85C Phase A dry heat 125C - 30% Pr Phase B damp heat Phase C cold -55C Phase D damp heat 5 cycles 56 days 5 cycles - 55C at + 125C 50 g 11 ms 3 successive shocks in 3 directions 10 - 55 Hz 0.75 mm or 10 g during 6 hours 200 cycles TYPICAL VALUES AND DRIFTS RT R1-2 (%) (%) RT R1-2 1% 2% Contact resistance variation : < 1% Rn 0.5% 0.5% Dielectric strength : 1000 V RMS Insulation resistance : > 104 M Climatic Sequence 1% 1% Long Term Damp Heat Rapid Temperature Change Shock 0.5 % V1-2 1% V1-3 0.2% 0.1% Vibration 0.1% 2% Contact resistance variation : < 1% Rn V1-2 0.2% V1-3 Rotational Life Document Number: 51026 Revision 04-Mar-02 For technical questions, contact sfer@vishay.com www.vishay.com 65 T93 Vishay Sfernice 3/8" Square Multiturn Cermet Trimmers MARKING Printed : VISHAY logo, series, style, rated ohmic value (in , k, M), tolerance (in %), manufacturing date, marking of terminal 3. STANDARD RESISTANCE ELEMENT DATA LINEAR LAW STANDARD MAX. CUR. MAX. MAX. RESISTANCE POWER WORKING THROUGH VALUES AT + 85C VOLTAGE ELEMENT mA W V 10 22 47 100 220 470 1k 2.2k 4.7k 10k 22k 47k 100k 220k 470k 1M 2.2M 0.5 2.2 3.3 4,8 7 10.5 15.3 22.4 33.2 48.5 70.7 105 153 224 250 250 250 250 224 150 103 70 47 32 22 15 10 7 4.8 3.2 2.2 1.1 0.53 0.25 0.11 T.C. - 55C + 125C ppm/C 0 + 200 100 0.5 0.28 0.13 0.06 0.028 PACKAGING - In magazine pack by 50 pieces (tube) code "TU50". ORDERING INFORMATION T93 SERIES XA VERSION 220k OHMIC VALUE 10 % TOLERANCE TU50 PACKAGING TU50: Tube www.vishay.com 66 For technical questions, contact sfer@vishay.com Document Number: 51026 Revision 04-Mar-02 |
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