SSB43L and ssb44 30v-40v 4.0a 1 of 2 web site: www.taychipst.com features e-mail: sales@taychipst.com maximum ratings and electrical characteristics m e c h a n i c a l d a t a high-current density surface mount schottky rectifier ? low profile package ? ideal for automated placement ? guardring for overvoltage protection ? low power losses, high efficiency ? very low forward voltage drop ? high surge capability ? meets msl level 1, per j-std-020, lf maximum peak of 260 c ? solder dip 260 c, 40 s ? component in accordance to rohs 2002/95/ec and weee 2002/96/ec case: do-214aa (smb) epoxy meets ul 94v-0 flammability rating terminals: matte tin plated leads, solderable per j-std-002 and jesd22-b102 e3 suffix for consumer grade, meets jesd 201 class 1a whisker test, he3 suffix for high reliability grade (aec q101 qualified), meets jesd 201 class 2 whisker test polarity: color band denotes the cathode end notes: (1) pulse test: 300 s pulse width, 1 % duty cycle (2) pulse test: pulse width 40 ms electrical characteristics (t a = 25 c unless otherwise noted) parameter test conditions symbol SSB43L ssb44 unit typ. max. typ. max. maximum instantaneous forward voltage (1) 4.0 a t j = 25 c t j = 125 c v f 0.43 0.33 0.45 0.38 0.45 0.37 0.49 0.42 v maximum reverse current at rated v r (2) t j = 25 c t j = 125 c i r - 35 0.6 45 - 25 0.4 40 ma thermal characteristics (t a = 25 c unless otherwise noted) parameter symbol SSB43L ssb44 unit typical thermal resistance (1) r ja r jl 70 23 c/w maximum ratings (t a = 25 c unless otherwise noted) parameter symbol SSB43L ssb44 unit device marking code 43l s44 maximum repetitive peak reverse voltage v rrm 30 40 v maximum rms voltage v rms 21 28 v maximum dc blocking voltage v dc 30 40 v max. average forward rectified current at t l (fig. 1) i f(av) 4.0 a peak forward surge current 8.3 ms single half sine-wave superimposed on rated load i fsm 100 a voltage rate of change (rated v r ) dv/dt 10 000 v/s operating junction temperature range t j - 65 to + 150 c storage temperature range t stg - 65 to + 150 c
ratings and characteristic curves SSB43L and ssb44 2 of 2 e-mail: sales@taychipst.com web site: www.taychipst.com high-current density surface mount schottky rectifier figure 1. forward current derating curve 0 1 2 3 4 5 6 025 50 75 100 125 150 a v erage for w ard c u rrent (a) lead temperat u re (c) SSB43L ssb44 figure 2. maximum non-repetitive peak forward surge current 1 10 100 0 20 60 40 100 8 0 120 peak for w ard s u rge c u rrent (a) nu m b er of cycles at 60 hz figure 3. typical instantaneous forward characteristics figure 4. typical reve rse characteristics 0.01 0.1 0.1 0.2 0.3 0.4 0.6 0.7 0.5 0. 8 0 1 10 100 instantaneo u s for w ard v oltage ( v ) instantaneo u s for w ard c u rrent (a) SSB43L ssb44 t j = 150 c t j = 125 c t j = 25 c 020 60 40 100 8 0 0.001 0.01 10 0.1 100 1000 instantaneo u s re v erse c u rrent (ma) percent of rated peak re v erse v oltage ( % ) SSB43L ssb44 t j = 150 c t j = 125 c t j = 25 c 1 figure 5. typical junction capacitance re v erse v oltage ( v ) 1 10 100 100 1000 10 000 10 SSB43L ssb44 t j = 25 c f = 1.0 mhz v sig = 50 m v p-p j u nction capaci tance (pf) SSB43L and ssb44 30v-40v 4.0a
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