features mechanical data @ t a = 25 c unless otherwise specified slca5.0-slca50 400 watts surface mount transient voltage suppressor 400w peak pulse power dissipation 5.0v - 50v standoff voltages glass passivated die construction uni- and bi-directional versions available excellent clamping capability fast response time plastic material: ul flammability classification rating 94v-0 case: sma, transfer molded epoxy terminals: solderable per mil-std-202, method 208 polarity indicator: cathode band (note: bi-directional devices have no polarity indicator.) characteristic symbol value unit peak pulse power dissipation (non repetitive current pulse derated above t a =25 c) (note 1) p pk 400 w peak forward surge current, 8.3ms single half sine wave s uperimposed on rated load (jedec method) (notes 1, 2, & 3) i fsm 40 a instantaneous forward voltage @ i pp = 35a (notes 1, 2, & 3) v f 3.5 v operating and storage temperature range t j ,t stg -55 to +150 c notes: 1. valid provided that terminals are kept at ambient temperature. 2. measured with 8.3ms single half sine-wave. duty cycle = 4 pulses per minute maximum. 3. unidirectional units only. a b c d g h e j sma dim minmax a 2.29 2.92 b 4.00 4.60 c 1.27 1.63 d 0.15 0.31 e 4.80 5.59 g 0.10 0.20 h 0.76 1.52 j 2.01 2.62 all dimensions in mm maximum ratings and electrical characteristics 1of2
40.0 45.0 50.0 55.00 50 50 36 26 18 12 8.5 slca12 slca10 slca8.0 ib voltage @ i reverse maximum maximum maximum t stand-off reverse peak pulse clamping voltage leakage surge current voltage @ i ppm type @ v wm (see fig. 2) v br (v) v wm i r i ppm v c min. (v) ( m a) (a) (v) i t (ma) test current breakdown working inverse blocking voltage v wib (v) inverse blocking leakage v wib i (ma) slca5.0 slca6.0 slca7.0 slca8.5 slca15 slca18 slca22 slca26 slca36 slca45 slca50 5.0 6.0 7.0 8.0 10 15 22 45 300 300 300 100 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 7.60 7.90 8.33 8.89 9.44 11.10 13.30 16.70 20.00 24.40 28.90 33.30 40.00 50.00 1 slca30 30 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 75 75 75 75 75 75 75 75 75 75 75 75 75 150 37.0 36.0 31.0 26.0 21.0 17.0 14.0 12.0 10.0 8.0 6.0 6.0 10.0 11.2 12.6 13.4 14.0 16.3 19.0 23.6 28.8 35.4 42.3 60.0 48.6 77.0 88.0 2of2 150
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