s3a thru SFS3J page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 3a super fast recovery surface mount rectifier sfs3a thru SFS3J features z low profile package z plastic package has underwriters laboratory 94v-0 z ideal for surface mounted application z glass passivated chip junction z built-in strain relief design z super fast recovery time for high efficient z high temperature soldering : 250c/10 seconds at terminal mechanical data z case: jedec do-214aa molded plas body, dimensions in inches and (millimeters) z terminal: solder plated, solderable per mil-std- 750 method 2026 z polarity: color band denotes cathode z weight: 0.21 grams maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or induc tive load. for capacitive load, derate current by 20% ratings symbol sfs3a sfs3b sfs3 d sfs3e sfs3g sfs3h SFS3J units maximum recurrent peak reverse voltage v rrm 50 100 200 300 400 500 600 v maximum rms voltage v rms 35 70 140 210 280 350 420 v maximum dc blocking voltage v dc 50 100 200 300 400 500 600 v maximum average forward rectified current at t l =90 c i o 3.0 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 100 a typical junction capacitance (note 1) c j 25 pf typical thermal resistance (note 2) r jl 20 c /w storage temperature range t stg - 55 to + 150 c operating temperature range t op - 55 to + 150 c electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol sfs3a sfs3 b sfs3d sfs3e sfs3g sfs3h SFS3J units maximum forward voltage at i o dc v f 0.95 1.25 1.85 v maximum reverse current at 25 i r 10 a maximum reverse current at 100 i r 100 a maximum reverse recovery time (note3) t rr 35 ns marking sfs3a sfs3b sfs3d sfs3e sfs3g sfs3h SFS3J note: 1. measured at 1 mhz and applied reverse voltage 0f 4.0 volts 2 . thermal resistance from junction to ambi ent and junction to lead p.c.b. mounted on 0.3x0.3?(8.0x8.0mm) copper pad areas 3. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a .060(1.52) .030(0.76) .320(8.13) .305(7.75) .103(2.62) .079(2.06) .280(7.11) .260(6.60) .245(6.22) .220(5.59) .126(3.20) .114(2.90) cathode
s3a thru SFS3J page: 2 ratings and characteristic curve sfs3a thru SFS3J fig. 1-test circuit diagram and reverse recovery time characteristic +0.5a 0 -0.25a trr fig. 3-typical reverse characteristics fig. 4-typical instantaneous forward characteristics fig. 6-typical junction capacitance .1 .2 .4 1.0 2 4 10 20 40 100 reverse voltage (v) 200 100 40 20 10 6 4 2 1 junction capacitance (pf) sfs1a~sfs1d sfs3e~SFS3J fig. 5-maximum non-repetitive forward surge current 40 30 25 20 15 10 5 0 1 5 10 20 50 100 number of cycles at 60 hz peak forward surge current ( a ) 8.3 ms single half sine wave (jedec method) t j =25 o c .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 instantaneous forward voltage (v) 0 20 40 60 80 100 120 140 t j =25 o c t j =80 o c t j =100 o c sfs3a~sfs3d s f s3j 10 1.0 .1 .01 .001 instantaneous forward current (a) instantaneous reverse current (ua) average forward current ( a ) 6.0 5.0 4.0 3.0 2.0 1.0 0 25 50 7 5 10 0 12 5 15 0 17 5 lead temperature ( o c) fig. 2-typical forward current derating curve single phase half wave 60 hz resistive or inductive load 1cm set time base for 10/20 ns/cm sfs3e~sfs3g 100 10 1.0 0.1 0.01 pulse generator ( note 2 ) (+) 25 v dc (approx) ( - ) d.u.t. 1 non inductive oscilloscope ( note 1 ) 50 no inductive 100 no inductive (-) (+) note: 1. rise time=7ns max. input impedance=1 mohms 22pf 2. rise time =10ns max. source impedance=50 ohms percent of rated peak reverse voltage (%) p.c.b mounted on 0.30.3?(8.08.0mm) copper pad areas
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