sb520 thru sb560 document number 88721 14-jul-05 vishay general semiconductor www.vishay.com 1 do-201ad schottky barrier rectifier major ratings and characteristics i f(av) 5.0 a v rrm 20 v to 60 v i fsm 220 a v f 0.48 v, 0.65 v t j max. 125 c, 150 c features guardring for overvoltage protection extremely fast switching low forward voltage drop high forward surge capability high frequency operation solder dip 260 c, 40 seconds typical applications for use in low voltage high frequency inverters, free wheeling, dc-to-dc converters, and polarity protection applications mechanical data case: do-201ad epoxy meets ul 94v-0 flammability rating terminals: matte tin plated leads, solderable per j-std-002b and jesd22-b102d e3 suffix for commercial grade polarity: color band denotes the cathode end maximum ratings t a = 25 c unless otherwise specified parameter symbol sb520 SB530 sb540 sb550 sb560 unit maximum repetitive peak reverse voltage v rrm 20 30 40 50 60 v maximum rms voltage v rms 14 21 28 35 42 v maximum dc blocking voltage v dc 20 30 40 50 60 v maximum average forward rectified current 0.375" (9.5 mm) lead length (see fig.1) i f(av) 5.0 a peak forward surge current, 8.3 ms single half sine- wave superimposed on rated load i fsm 220 a operating junction temperature range t j - 65 to + 125 - 65 to + 150 c storage temperature range t stg - 65 to + 150 c
www.vishay.com 2 document number 88721 14-jul-05 sb520 thru sb560 vishay general semiconductor electrical characteristics t a = 25 c unless otherwise specified notes: (1) pulse test: 300 s pulse width, 1 % duty cycle thermal characteristics t a = 25 c unless otherwise specified notes: (1) thermal resistance from junc tion to lead vertical p.c.b. mounting, 0.375" (9.5 mm) lead length ratings and characteristics curves (t a = 25 c unless otherwise noted) parameter test condition symbol sb520 SB530 sb540 sb550 sb560 unit maximum instantaneous forward voltage at 5.0 a (1) v f 0.48 0.65 v maximum instantaneous reverse current at rated dc blocking voltage (1) t a = 25 c t a = 100 c i r 0.5 ma 50 25 parameter symbol sb520 SB530 sb540 sb550 sb560 unit typical thermal resistance (1) r ja r jl 25 8 c/w figure 1. forward current derating curve 0 20 40 60 80 100 120 150 0 1.0 2.0 3.0 5.0 4.0 average forward current (a) lead temperature (c) resistive or inductive load 0.375" (9.5mm) lead length sb520 - sb540 sb550 & sb560 figure 2. maximum non-repetitive peak forward surge current 1 10 100 50 100 150 0 250 200 peak forward surge current (a) number of cycles at 60 hz t j =t j max. 8.3ms single half sine-wave
sb520 thru sb560 document number 88721 14-jul-05 vishay general semiconductor www.vishay.com 3 package outline dimensions in inches (millimeters) figure 3. typical instantaneous forward characteristics figure 4. typical reve rse characteristics 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.01 0.1 1 10 50 instantaneous forward current (a) instantaneous forward voltage (v) sb520 - sb540 sb550 & sb560 pulse width = 300 s 1% duty cycle t j =25c t j = 125 c t j = 150 c 0 20 40 60 80 100 0.001 0.01 0.1 1 10 20 instantaneous reverse current (ma) percent of rated peak reverse voltage (%) sb520 - sb540 sb550 & sb560 t j =25c t j =75c t j = 125 c figure 5. typical junction capacitance figure 6. typical transient thermal impedance 1,000 4,000 100 0.1 1.0 10 100 junction capacitance (pf) reverse voltage (v) sb520 - sb540 sb550 & sb560 t j =25c f=1.0 mh z v sig =50mvp-p 0.1 1 10 0.1 10 1 100 100 0 transient thermal impedance ( c/w) t, pulse duration (sec.) 0.210 (5.3) 0.190 (4.8) dia. 0.052 (1.32) 0.048 (1.22) dia. 1.0 (25.4) min. 0.375 (9.5) 0.285 (7.2) 1.0 (25.4) min. do-201ad
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