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 85°C for 1 minute (IEC. 68-2-17) has an effective travel of 20 turns nominal and a resistance range of 10Ω to 2MΩ. • 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 0.250 (6.35) ± 0.010 0.185 (4.70) ± 0.015 0.025 x 0.030 DP (0.64 x 0.76) 0.0150 (0.38) ± 0.010 0.187 (4.75) ± 0.015 ø 0.100 (2.54) ± 0.010 0.010 (0.25) ± 0.003 0.100 (2.54) ± 0.010 0.020 (0.510) ± 0.003 0.015 (0.38) ± 0.010 0.205 (5.21) ± 0.10 0.190 (4.83) ± 0.010 0.045 (1.14) 0.300 (7.62) ± 0.010 0.270 (6.86) ± 0.010 0.125 (3.18) ± 0.10 ø 0.120 (3.05) Through to STD shaft 0.200 (5.08) ± 0.010 0.500 (12.7) ± 0.010 Hex nut (T601 Style) Internal tooth lock washer (T601 Style) CIRCUIT DIAGRAM 2 W www.vishay.com 82 CCW CW 1 3 For technical questions, contact: [email protected] Document Number: 57026 Revision: 05-Aug-04 43 Vishay Spectrol 3/4” Rectangular (19mm) Multi-Turn Cermet Trimmer ELECTRICAL SPECIFICATIONS Resistive Element Electrical Travel Resistance Range Resistance Tolerance cermet 20 turns nominal 10Ω to 2MΩ ± 10% 0.5W at + 70°C, derated linearly to zero watts at 125°C Maximum voltage not to exceed 400V ± 100ppm/°C. 100Ω to 2MΩ - 100 to 200ppm/°C. 10Ω, 20Ω and 50Ω 1% Rn or 1Ω , whichever is greater 2Ω or 1%, whichever is greater 1000VAC at sea level, 250VAC at 80, 00 feet (24, 000 meters) 1000MΩ minimum Power Rating Temperature Coefficient of Resistance Contact Resistance Variation End Resistance Dielectric Withstanding Voltage Insulation Resistance (500VDC) MECHANICAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS Rotational Life Operating Torque End Stop Torque Unit Weight (max. g) Stability Temperature Range Climatic Category 200 cycles min. ±2% res. 5 oz (35mNm) max wiper idles against stop 1.13 ± 0.05% RT – 55°C to + 125°C 55 / 125 / 21 ENVIRONMENTAL SPECIFICATIONS CONDITIONS MAX R CHANGE VAB VAC PER CECC 41100 PER IEC 68.1 PART PER MIL 202F 390m/s2, 4000 98m/s2, 10 to 500Hz 1000 hours – 1% 1% 3% – – 2% – – (PARA) 2.3.3 (PARA) 2.3.2 (PARA) 2.5.16 (PARA) 2.3.7 TEST EB (IEC 68-2-29) TEST FC (IEC 68-2-6) – TEST TB (IEC 68-2-20) – 1% – (PARA) 2.3.7 TEST TB (IEC 68-2-20A) 21 days 85°C for 1 minute 200 cycles 2.2lbs (1kg) 3% – 3% min – – – – (PARA) 2.1 AS IEC – – TEST C (IEC 68-2-3) TEST QC (IEC 68-2-17) METHOD 2 – NO EQUIV METHOD 204 NO EQUIV METHOD 208 METHOD 210 METHOD 1A METHOD 103 METHOD 112 – – TESTS Bumps Vibration Electrical Endurance Soldering Resistance to Heat Damp Heat Steady Rate Sealing Mechanical Life Terminal Strength MARKING – ohmic value (in Ω, kΩ, MΩ) – tolerance (in %) – manufacturing date – marking of terminal 3 Printed: – VISHAY trademark – model – style 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 MODEL 3 P 1 0 OHMIC VALUE 3 K TOL B 4 0 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: [email protected] www.vishay.com 83