device marking lbat54swt1g= b8 maximum ratings (t j = 125c unless otherwise noted) rating symbol value unit reverse voltage v r 30 volts forward power dissipation p f @ t a = 25c 200 mw derate above 25c 1.6 mw/c forward current(dc) i f 200max ma junction temperature t j 125max c storage temperature range t stg ?55 to +150 c electrical characteristics (t a = 25c unless otherwise noted) characteristic symbol min typ max unit reverse breakdown voltage (i r = 10 a) v (br)r 30 ? ? volts total capacitance (v r = 1.0 v, f = 1.0 mhz) c t ? ? 10 pf reverse leakage (v r = 25 v) i r ? 0.5 2.0 adc forward voltage (i f = 0.1 madc) v f ? 0.22 0.24 vdc forward voltage (i f = 30 madc) v f ? 0.41 0.5 vdc forward voltage (i f = 100 madc) v f ? 0.52 1.0 vdc reverse recovery time (i f = i r = 10 madc, i r(rec) = 1.0 madc, figure 1) t rr ? ? 5.0 ns forward voltage (i f = 1.0 madc) v f ? 0.29 0.32 vdc forward voltage (i f = 10 madc) v f ? 0.35 0.40 vdc forward current (dc) i f ? ? 200 madc repetitive peak forward current i frm ? ? 300 madc non?repetitive peak forward current (t < 1.0 s) i fsm ? ? 600 madc lbat54swt1g sot?323 (sc?70) these schottky barrier diodes are designed for high speed switching applications, circuit protection, and voltage clamping. extremely low forward voltage reduces conduction loss. miniature surface mount package is excel- lent for hand held and portable applications where space is limited. extremely fast switching speed low forward voltage ? 0.35 volts (typ) @ i f = 10 madc ordering information device marking shipping lbat54swt1g b8 3000/tape & reel 3 cathode/anode anode 1 cathode 2 dual series schottky barrier diodes leshan radio company, ltd. LBAT54SWT3G b8 10000/tape & reel we declare that the material of product compliance with rohs requirements. 1 3 2 rev.a 1/3
lbat54swt1g notes: 1. a 2.0 k variable resistor adjusted for a forward current (i f ) of 10ma. notes: 2. input pulse is adjusted so i r(peak) is equal to 10ma. notes: 3. t p ? t rr figure 1. recovery time equivalent test circuit 100 10 1.0 0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 150c t a = 150c t a = 125c t a = 85c t a = 25c 0 5 10 15 20 25 30 1000 100 10 1.0 0.1 0.01 0.001 0 5 10 15 20 25 30 14 12 10 8 6 4 2 0 i f , forward current (ma) v f , forward voltage (volts) figure 2. forward voltage v r , reverse voltage (volts) figure 3. leakage current v r , reverse voltage (volts) figure 4. total capacitance i r , reverse current ( a) 125c 85c 25c ? 40c ?55c c t total capacitance (pf) +10 v 2.0 k 820 100 h 0.1 f d.u.t. 0.1 f 50 output pulse generator t r 50 input sampling oscilloscope t p t 10% 90% i f i r t rr t i r(rec) = 1.0 ma output pulse (i f = i r = 10 ma; measured at i r(rec) = 1.0 ma) input signal i f v r leshan radio company, ltd. rev.a 2/3
0.7 1.9 0.028 0.65 0.025 0.65 0.025 inches mm 0.075 0.035 0.9 notes: 1. dimension i ng and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. dim min max min max millimeters inches a 0.071 0.087 1.80 2.20 k 0.017 ref 0.425 ref l 0.026 bsc 0.650 bsc n 0.028 ref 0.700 ref s 0.079 0.095 2.00 2.40 b 0.045 0.053 1.15 1.35 c 0.032 0.040 0.80 1.00 d 0.012 0.016 0.30 0.40 g 0.047 0.055 1.20 1.40 h 0.000 0.004 0.00 0.10 j 0.004 0.010 0.10 0.25 c n a l d g s b h j k 3 12 0.05 0.002 sc - 70 / sot - 323 lbat54swt1g leshan radio company, ltd. rev.a 3/3
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