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ST-2 bảng dữ liệu(PDF) 3 Page - Copal Electronics |
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ST-2 bảng dữ liệu(HTML) 3 Page - Copal Electronics |
3 / 5 page 0 1 0.65 0.65 0.6 Δ R/R:Change in total resistance S.S. :Setting stability ■ ENVIRONMENTAL CHARACTERISTICS Test item Test conditions Specifications Thermal shock −65 ~ 125 °C (0.5 h), 5 cycles [ ΔR/R ≦ 2 %] [S.S. ≦ 2 %] Humidity −10 ~ 65 °C (80 ~ 98 %), 10 cycles, 240 h [ ΔR/R ≦ 2 %] Shock 981 m/s 2, 6 ms 6 directions for 3 times each [ ΔR/R ≦ 2 %] [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, 0.1 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 Reflow Peak temperature : 255 °C (Please refer to the profile below) Flow soldering: 260 ± 3 °C, 5 ~ 6 s, two times maximum Manual soldering: 350 ± 10 °C, 3 ~ 4 s [ ΔR/R ≦ ± 1 %] ST-2 SURFACE MOUNT TRIMMERS ■ MAXIMUM INPUT RATINGS ■ RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS Nominal resistance values ( Ω) Resistance code Maximum input voltage (V) Maximum wiper current (mA) 100 101 3.16 31.6 200 201 4.47 22.4 500 501 7.07 14.1 1 k 102 10.0 10.0 2 k 202 14.1 7.1 5 k 502 22.3 4.5 10 k 103 31.6 3.2 20 k 203 44.7 2.2 50 k 503 50.0 1.0 100 k 104 50.0 0.5 200 k 204 50.0 0.25 500 k 504 50.0 0.1 1 M 105 50.0 0.05 (Unit : mm) Note) The zero point is the center of mounting. 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 |
Số phần tương tự - ST-2 |