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| 43 Vishay Spectrol 3/4" Rectangular (19mm) Multi-Turn Cermet Trimmer FEATURES * Panel mount, clear lid versions available * Chevron shaft for sealing and smooth consistent torque * Unique "T" slider block for excellent stability and setability * Solder plated terminals for good solderability * Solder terminations for improved reliability The Model 43 is manufactured to the highest international standards. This product, sealed to 85C for 1 minute (IEC. 68-2-17) has an effective travel of 20 turns nominal and a resistance range of 10 to 2M. * I.C. style pins for easier board insertion * Multi-finger wiper for better C.R.V. DIMENSIONS in inches (millimeters) 0.750 (19.05) 0.010 0.060 (1.52) 0.015 0.025 x 0.030 DP (0.64 x 0.76) 0.250 (6.35) 0.010 0.185 (4.70) 0.015 0.0150 (0.38) 0.010 0.020 (0.510) 0.003 o 0.100 (2.54) 0.010 0.187 (4.75) 0.015 0.010 (0.25) 0.003 0.100 (2.54) 0.010 0.015 (0.38) 0.010 0.190 (4.83) 0.010 0.205 (5.21) 0.10 0.045 (1.14) 0.300 (7.62) 0.010 0.270 (6.86) 0.010 0.125 (3.18) 0.10 0.200 (5.08) 0.010 0.500 (12.7) 0.010 o 0.120 (3.05) Through to STD shaft Hex nut (T601 Style) Internal tooth lock washer (T601 Style) CIRCUIT DIAGRAM 2W CCW 1 CW 3 www.vishay.com 82 For technical questions, contact: sfer@vishay.com Document Number: 57026 Revision: 05-Aug-04 43 3/4" Rectangular (19mm) Multi-Turn Cermet Trimmer ELECTRICAL SPECIFICATIONS Resistive Element Electrical Travel Resistance Range Resistance Tolerance Power Rating Temperature Coefficient of Resistance Contact Resistance Variation End Resistance Dielectric Withstanding Voltage Insulation Resistance (500VDC) cermet 20 turns nominal 10 to 2M 10% 0.5W at + 70C, derated linearly to zero watts at 125C Maximum voltage not to exceed 400V 100ppm/C. 100 to 2M - 100 to 200ppm/C. 10, 20 and 50 1% Rn or 1 , whichever is greater 2 or 1%, whichever is greater 1000VAC at sea level, 250VAC at 80, 00 feet (24, 000 meters) 1000M minimum Vishay Spectrol MECHANICAL SPECIFICATIONS Rotational Life Operating Torque End Stop Torque Unit Weight (max. g) Stability 200 cycles min. 2% res. 5 oz (35mNm) max wiper idles against stop 1.13 0.05% RT ENVIRONMENTAL SPECIFICATIONS Temperature Range Climatic Category - 55C to + 125C 55 / 125 / 21 ENVIRONMENTAL SPECIFICATIONS TESTS Bumps Vibration Electrical Endurance Soldering Resistance to Heat Damp Heat Steady Rate Sealing Mechanical Life Terminal Strength CONDITIONS 390m/s2, 4000 98m/s2, 10 to 500Hz 1000 hours - - 21 days 85C for 1 minute 200 cycles 2.2lbs (1kg) MAX R 1% 1% 3% - 1% 3% - 3% min CHANGE VAB VAC - 2% - - - - - - - PER CECC 41100 (PARA) 2.3.3 (PARA) 2.3.2 (PARA) 2.5.16 (PARA) 2.3.7 (PARA) 2.3.7 (PARA) 2.1 AS IEC - - PER IEC 68.1 PART TEST EB (IEC 68-2-29) TEST FC (IEC 68-2-6) - TEST TB (IEC 68-2-20) TEST TB (IEC 68-2-20A) TEST C (IEC 68-2-3) TEST QC (IEC 68-2-17) METHOD 2 - PER MIL 202F NO EQUIV METHOD 204 NO EQUIV METHOD 208 METHOD 210 METHOD 1A METHOD 103 METHOD 112 - - MARKING Printed: - VISHAY trademark - model - style - ohmic value (in , k, M) - tolerance (in %) - manufacturing date - marking of terminal 3 ORDERING INFORMATION 43P MODEL AND PIN STYLE SPECIAL (omit if standard) T601 - Panel mount T602 - Base rise 103 EIA RESISTANCE VALUE SAP PART NUMBERING GUIDELINES M 4 3 P 1 0 3 K B 4 0 MODEL OHMIC VALUE TOL PACKAGING CODE SPECIAL (IF APPLICABLE) See the end of this data book for conversion tables Document Number: 57026 Revision: 05-Aug-04 For technical questions, contact: sfer@vishay.com www.vishay.com 83 |
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