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148DXN32S103SP Datasheet(PDF) 2 Page - Vishay Siliconix |
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148DXN32S103SP Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 4 page 148, 149 1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometers Vishay Spectrol Document Number: 57040 For technical questions, contact: sfer@vishay.com www.vishay.com Revision: 31-Jul-06 See also: Application notes 103 ELECTRICAL SPECIFICATIONS PARAMETER 148 149 Resistance Range 1 k Ω to 1 MΩ linear 500 Ω to 500 kΩ non-linear 100 Ω to 2.0 MΩ linear 250 Ω to 1 MΩ non-linear Resistance Tolerance Linear Non-Linear Standard ± 10 % to 500K, ± 20 % over 500K Standard ± 10 % to 100K, ± 20 % over 100K Taper Tolerance 20 % of the Nominal R at 50 % mechanical rotation Linearity (Typical) ± 5 % Independent End Resistance 4 Ω maximum each end Power Rating 0.5 watts at 70 °C 0 watts at 120 °C 1 watt at 70 °C 0 watt at 150 °C Non-Linear or PC mount, derate 50 % Effective Rotation 270° ± 10° without rotary switch 240° ± 10° with rotary switch Contact Resistance Variation 1.5 % of total resistance 3 % of total resistance Maximum Continuous Working Voltage 350 VAC across end terminals, but within power rating Dielectric Withstanding Voltage Sea Level - 750 VAC 70 000 feet - 350 VAC Switch Specifications Rotary (AL) switch: S.P.S.T and S.P.D.T 125 mA, 28 VDC CCW or CW, rotational life 10 000 cycles (rated load) MECHANICAL SPECIFICATIONS Mechanical Rotation 300° ± 5° Torque Operating Single section 0.2 to 3.0 oz - in Dual or triple section 0.3 to 4.5 oz - in Center Detent 0.6 to 3.0 oz - in Stop Strength 3 in - lbs min Weight (approx) Single 0.19 oz Dual 0.27 oz Triple 0.35 oz ENVIRONMENTAL SPECIFICATIONS 148 149 Operating Temperature - 40 °C to + 120 °C - 40 °C to + 150 °C Storage Temperature - 55 °C to + 120 °C - 55 °C to + 150 °C Temperature Cycling (5 Cycles) - 40 °C to + 120 °C (4 % ΔRt) - 40 °C to + 150 °C (3 % ΔRt) Load Life (1000 hrs. Rated Load at 70 °C) 10 % ΔRt 5 % ΔRt Rotational Load Life 50 000 cycles 25 000 cycles TCR ± 1000 ppm/°C ± 150 ppm/°C |
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