dimensions in inches and (millimeters) sk12b - sk115b 1.0 amp. surface mount schottky barrier rectifiers smb/do-214aa features for surface mounted application metal to silicon rectifier, majority carrier conduction low forward voltage drop easy pick and place high surge current capability plastic material used carriers underwriters laboratory classification 94v-0 epitaxial construction high temperature soldering: 260 o c / 10 seconds at terminals mechanical data case: molded plastic terminals: pure tin plated, lead free. polarity: indicated by cathode band weight: 0.093 gram maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol sk 12b sk 13b sk 14b sk 15b sk 16b sk 90b sk 110b sk 115b units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 100 150 v maximum rms voltage v rms 14 21 28 35 42 63 70 105 v maximum dc blocking voltage v dc 20 30 40 50 60 90 100 150 v maximum average forward rectified current at t a =75 o c i (av) 1.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 30 a maximum instantaneous forward voltage @ 1.0a v f 0.5 0.75 0.85 0.95 v 0.5 0.1 maximum dc reverse current (note 1)@t a =25 o c at rated dc blocking voltage @ t a =125 o c i r 10 5.0 2.0 ma ma typical junction capacitance (note 2) cj 110 pf typical thermal resistance ( note 1 ) r jl 25 o c/w operating temperature range t j -55 to +125 -55 to +150 o c storage temperature range t stg -55 to +150 o c notes: 1. thermal resistance from junction to lead. 2. measured at 1.0 mhz and applies reverse voltage of 4.0v. 3. measured on p.c.board with 0.4? x 0.4? (10mm x 10mm) copper pad area. http://www.luguang.cn mail:lge@luguang.cn
ratings and characteristic curves (sk12b thru sk115b) fig.2- maximum non-repetitive forward surge current peak forward surge current. (a) 1 10 100 0 10 20 40 30 50 number of cycles at 60hz at rated tl 8.3ms single half sine wave jedec method fig.1- maximum forward current derating curve average forward current. (a) 50 60 70 80 90 100 110 120 170160150140130 0 0.5 1.0 lead temperature. ( c) o resistive or inductive load sk15b - sk115b sk12b - sk14b pcb mounted on 0.4x0.4" (10x10mm) copper pad areas fig.3- typical forward characteristics instantaneous forward current. (a) 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 0.01 0.1 1 10.0 50 forward voltage. (v) sk12b-sk14b sk15b & sk16b sk110b & sk115b fig.4- typical reverse characteristics instantaneous reverse current. (ma) 0 20 40 60 80 100 120 140 0.001 0.01 0.1 1 10 100 percent of rated peak reverse voltage. (%) tj=125 c 0 tj=25 c 0 tj=75 c 0 sk12b-sk14b sk15b & sk16b sk110b & sk115b fig.5- typical junction capacitance junction capacitance.(pf) .1 1.0 10 100 10 100 400 reverse voltage. (v) tj=25 c f=1.0mhz vsig=50mvp-p 0 pulse width=300 s 1% duty cycle transcient thermal impedance, ( o c / w) 1 0.01 0.1 10 100 0.1 10 1 100 pulse duration, (sec) fig.6- typical transient thermal characteristics sk12b - sk115b 1.0 amp. surface mount schottky barrier rectifiers http://www.luguang.cn mail:lge@luguang.cn
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