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ST-32EG Datasheet(PDF) 2 Page - Copal Electronics |
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ST-32EG Datasheet(HTML) 2 Page - Copal Electronics |
2 / 6 page Adjustment position A (J-hook) G (J-hook) B (Gull wing) H (Gull wing) ST-32 SURFACE MOUNT TRIMMERS ■ LIST OF PART NUMBERS Shape of terminal Form of packaging Taping (reel) ST-32ETA ST-32EA ST-32ETB ST-32EB ST-32ETG ST-32EG ST-32ETH ST-32EH 500 pcs./reel 100 pcs./pack Plastic bag Pieces in package ■ ELECTRICAL CHARACTERISTICS Nominal resistance range 10 Ω ~ 2 MΩ ± 20 % 0.125 W (70 °C) 0 W (125 °C) Linear law (B) DC200 V or power rating, whichever is smaller 100 mA or power rating, whichever is smaller 210 ° (1 turn) 1 % or 2 Ω, whichever is greater 1 % or 3 Ω, whichever is greater −55 ~ 125 °C 10 Ω ~ 50 Ω : ± 250 10-6/°C maximum 100 Ω ~ 2 MΩ : ± 100 10-6/°C maximum 1000 M Ω minimum (DC500 V) AC500 V, 60 s Approx. 0.05 g (ST-32EA, EB) Approx. 0.11 g (ST-32EG, EH) Resistance tolerance Power ratings Resistance law Maximum input voltage Maximum wiper current Effective electrical angle End resistance C.R.V. Operating temp. range Temp. coefficient Insulation resistance Dielectric strength Net weight Top adjustment Side adjustment ΔR/R:Change in total resistance S.S. :Setting stability 〈Nominal resistance values〉 A 10 Ω A 20 Ω 50 Ω 100 Ω 200 Ω 300 Ω 500 Ω 1 k Ω 2 k Ω 3 k Ω 5 k Ω 10 k Ω 20 k Ω 30 k Ω 50 k Ω 100 k Ω 200 k Ω 500 k Ω 1 M Ω 2 M Ω The products indicated by A mark are manufactured upon receipt of order basis. ※The part numbers on the left are all available with the respective combination of <Nominal resistance values> (Fig. 1). ※Verify the above part numbers when placing orders. ※Taping specification is not sold separately and must be purchased in reel units. ■ MECHANICAL CHARACTERISTICS Mechanical angle 250 ° (1 turn) 5 mN·m {51 gf·cm} maximum 20 mN·m {204 gf·cm} minimum 100 cycles [ ΔR/R ≦ ± (2 Ω +3 %)] 5 N {0.51 kgf} minimum 245 ± 3 °C, 2 ~ 3 s 5 N {0.51 kgf} 10 s Width 90 mm, bend 3 mm, 5 s, 1 time 5 N {0.51 kgf} 10 s { }:Reference only Operating torque Stop strength Rotational life Thrust to rotor Solderability Shear (Adhesion) Substrate bending Pull-off strength ■ ENVIRONMENTAL CHARACTERISTICS Test item Test conditions Specifications Thermal shock −65 ~ 125 °C (0.5 h), 5 cycles [ ΔR/R ≦ 2 %] [S.S. ≦ 1 %] Humidity −10 ~ 65 °C , 10 cycles, 240 h [ ΔR/R ≦ 2 %] Shock 981 m/s 2, 6 ms 6 directions for 3 times each [ ΔR/R ≦ 1 %] [S.S. ≦ 1 %] Vibration (Amplitude) 1.52 mm or (Acceleration) 196 m/s 2, 10 ~ 2000 Hz, 3 directions, 12 times each Load life 70 °C, 0.125 W, 1000 h [ ΔR/R ≦ 3 %] [S.S. ≦ 1 %] Low temp. operation −55 °C, 2 h [ ΔR/R ≦ 2 %] [S.S. ≦ 2 %] High temp. exposure 125 °C, 250 h [ ΔR/R ≦ 3 %] [S.S. ≦ 2 %] Immersion seal 85 °C, 60 s No leaks (No continuous bubbles) Soldering heat [ ΔR/R ≦ 1 %] Fig.1 Reflow profile for soldering heat evaluation〉 Reflow : two times maximum Peak : 250 Over 230 C Pre Heating Zone 180 C (C) 250 200 150 100 50 150 C 90 30 s 30 10 s Soldering Zone Heating time C +5 0 Flow : 260 ± 3 °C as the temperature in a pot of molten solder, immersion from head of terminal to backside of board, 5 ~ 6 s, two times maximum. Reflow : Peak temperature 255 °C (Please refer to the profile below.) Manual soldering :350 ± 10 °C, 3 ~ 4 s |
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