Trimmer Potentiometers Product Chart of Trimmer Potentiometers Size Applicable Part Numbers 2 mm Square Open EVM2G (low-profile) EVM2N (low-profile) EVM2W (low-profile) 3 mm Square 4 mm Square Open Open EVM3G, EVM3E EVM3Y, EVM3S EVM1D EVM3R (low-profile) EVM1E EVM3W (low-profile) EVM1U EVM3V (with rotation stopper) Total Resistance Value and Tolerance 100 Ω to 1 MΩ ±25 % • EVM2G, 3G 100 Ω to 1 MΩ ±20 % Taper EVMAAS EVMAAG EVMAHG EVMAJG EVMASG EVM3R 500 Ω to 1 MΩ ±25 % (bulk) (bulk) (bulk) (bulk) EVMAES EVMAEG (bulk) 100 Ω to 1 MΩ ±25 % 10 Ω to 500 Ω ±25 % 0.3 W(70 °C) 100 V 0.5 W(70 °C) √ P·R B 0.15 W(70 °C) 50 V Power Rating and Limiting Element Voltage • 6 mm Square Dustproof Radial Taping 0.2 W(70 °C) 50 V For potentiometers operated in ambient temperatures above 70 °C, power rating shall be derated in accordance with the figure on the right. Category Temperature Range 100 Rated 80 Load 60 (%) 40 20 0 Power Derating Curve 20 40 60 70 80 100 Ambient Temperature (°C) –40 to +100 °C Sliding Noise 5 % max. Temperature Coef ficient of Resistance ±250 × 10–6/°C Electrically Effective Range ·EVM2G 300 °±20 ° ·EVM2N, EVM2W 260 °±20 ° Rotation Torque ·EVM2G, EVM2N 0.5 to 10 mN·m ·EVM2W 1 to 15 mN·m ·EVM3G 300 °±20 ° ·EVM3E, 3Y, 3S, 3R 260 °±20 ° ·EVM3W, EVM3V 240 °±20 ° ·EVM3G, 3E, 3Y, 3S, 3W 2 to 20 mN·m ·EVM3R 1 to 20 mN·m ·EVM3V 2 to 10 mN·m ·10 Ω < R < 20 Ω ±200 × 10–6/°C ·20 Ω < R < 200 Ω ±150 × 10–6/°C ·200 Ω < R < 500 Ω ±100 × 10–6/°C ±200 × 10–6/°C 260 °±20 ° 220 °±20 ° 240 °±20 ° (Total Mechanical Range) 2 to 20 mN·m 2 to 30 mN·m Stopper Strength – 50 mN·m min. Resistance to Soldering Heat – 260±5 °C 5±1 s Reflow Flow Applicable Soldering Resistance to Damp, Heat 60 °C 90 to 95 %RH Resistance to Heat 70 °C After 1000 h After 500 h ±5 % Endurance (Under Damp, Load) 60 °C 90 to 95 %RH R > 500 Ω ±3 % 100 Ω < R < 500 Ω ±5 % After 1000 h ±5 % Endurance (Under Damp, Load) 70 °C Endurance (Sliding) ·EVM2G, EVM2N 10 cycles ±15 % ·EVM2W 20 cycles ±15 % ·EVM3G, EVM3E, EVM3Y, EVM3S, EVM3W, EVM3V, EVM1D, EVM1E, EVM1U 20 cycles ±15 % ·EVM3R 10 cycles ±15 % 50 cycles ±10 % Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 03 Jul. 2014