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1 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no: dpc-0000014 re v. 5 www.everlight.com 4 pin sop phototransistor photocoupler el357n-g series features: ? halogens free ? current transfer ratio (ctr: 50~600% at i f =5ma, v ce =5v) ? high isolation voltage between input and output (viso=3750 v rms ) ? compact 4 pin sop with a 2.0 mm profile ? pb free and rohs compliant. ? ul approved (no. e214129) ? vde approved (no. 132249) ? semko approved ? nemko approved ? demko approved ? fimko approved ? csa approved (no. 1408633) description the el357n-g series contains an infrared emitting d iode, optically coupled to a phototransistor detect or. the devices in a 4-pin small outline smd package. applications ? dc-dc converters ? programmable controllers ? telecommunication equipments ? signal transmission between circuits of different p otentials and impedances schematic pin configuration 1. anode 2. cathode 3. emitter 4. collector
datasheet 4 pin sop phototransistor photocoupler el357n-g series 2 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com absolute maximum ratings (ta=25 ) parameter symbol rating unit input forward current i f 50 ma peak forward current (1us, pulse) i fp 1 a reverse voltage v r 6 v power dissipation derating factor (about ta=100c) p d 70 mw 2.9 mw/ c output power dissipation derating factor (above t a = 70 c) p c 150 mw 3.7 mw/c collector current i c 50 ma collector-emitter voltage v ceo 80 v emitter-collector voltage v eco 7 v total power dissipation p tot 200 mw isolation voltage* 1 v iso 3750 v rms operating temperature t opr -55 ~ +110 c storage temperature t stg -55 ~ +125 c soldering temperature*2 t sol 260 c notes: *1 ac for 1 minute, r.h.= 40 ~ 60% r.h. in this test, pins 1, 2 are shorted together, and pins 3, 4 are s horted together. * 2 for 10 seconds
datasheet 4 pin sop phototransistor photocoupler el357n-g series 3 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com electro -optical characteristics (ta=25 unless specified otherwise) input parameter symbol min. typ. max. unit condition forward voltage v f - 1.2 1.4 v i f = 20ma reverse current i r - - 10 a v r = 4v input capacitance c in - 30 250 pf v = 0, f = 1khz output parameter symbol min typ. max. unit condition collector-emitter dark current i ceo - - 100 na v ce = 20v, i f = 0ma collector-emitter breakdown voltage bv ceo 80 - - v i c = 0.1ma emitter-collector breakdown voltage bv eco 7 - - v i e = 0.01ma transfer characteristics (t a =25c unless specified otherwise) parameter symbol min typ. max. unit condition current transfer ratio el357n ctr 50 - 600 % i f = 5ma ,v ce = 5v el357na 80 - 160 el357nb 130 - 260 el357nc 200 - 400 el357nd 300 - 600 el357ne 100 - 200 el357nf 150 - 300 collector-emitter saturation voltage v ce(sat) - 0.1 0.2 v i f = 20ma ,i c = 1ma isolation resistance r io 510 10 - - v io = 500vdc, 40~60% r.h. floating capacitance c io - 0.6 1.0 pf v io = 0, f = 1mhz rise time t r - 3 18 s v ce = 2v, i c = 2ma, r l = 100 fall time t f - 4 18 * typical values at t a = 25c
datasheet 4 pin sop phototransistor photocoupler el357n-g series 4 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com typical electro-optical characteristics curves
datasheet 4 pin sop phototransistor photocoupler el357n-g series 5 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com figure 10. switching time test circuit & waveforms i f i c r l r in v cc output input input pulse output pulse 10% 90% t f t r t off t on
datasheet 4 pin sop phototransistor photocoupler el357n-g series 6 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com order information part number el357n(x)(y)-vg note x = ctr rank (a, b, c, d, e, for none) y = tape and reel option (ta, tb, or none). v = vde (option) g = halogens free option description packing quantity none standard smd option 100 units per tube -v standard smd option + vde 100 units per tube (ta) ta tape & reel option 3000 units per reel (tb) tb tape & reel option 3000 units per reel (ta)-v ta tape & reel option + vde 3000 units per reel (tb)-v tb tape & reel option + vde 3000 units per reel
datasheet 4 pin sop phototransistor photocoupler el357n-g series 7 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com package dimension (dimensions in mm) recommended pad layout for surface mount leadform
datasheet 4 pin sop phototransistor photocoupler el357n-g series 8 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com device marking notes el denotes everlight 357n denotes device number r denotes ctr rank y denotes 1 digit year code ww denotes 2 digit week code v denotes vde approved (optional) el 357n rywwv
datasheet 4 pin sop phototransistor photocoupler el357n-g series 9 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com tape & reel packing specifications tape dimensions dimension no. a b do d1 e f dimension (mm) 4.4 0.1 7.4 0.1 1.5 + 0.1/-0 1.5 0.1 1.7 5 0.1 7.5 0.1 dimension no. po p1 p2 t w k dimension (mm) 4.0 0.15 8.0 0.1 2.0 0.1 0.25 0.03 16.0 0.2 2.4 0.1 direction of feed from reel direction of feed from reel option ta option tb
datasheet 4 pin sop phototransistor photocoupler el357n-g series 10 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com precautions for use 1. soldering condition 1.1 (a) maximum body case temperature profile for e valuation of reflow profile note: reference: ipc/jedec j -std-020d preheat temperature min (t smin ) 150 c temperature max (t smax ) 200c time (t smin to t smax ) (t s ) 60 -120 seconds average ramp -up rate (t smax to t p ) 3 c/second max other liquidus temperature (t l ) 217 c time above liquidus temperature (t l ) 60 -100 sec peak temperature (t p ) 260c time within 5 c of actual peak temperature: t p - 5c 30 s ramp - down rate from peak temperature 6c /second max. time 25c to peak temperature 8 minutes max. reflow times 3 times .
datasheet 4 pin sop phototransistor photocoupler el357n-g series 11 copyright ? 2010, everlight all rights reserved. re lease date : may 13, 2013. issue no:dpc-0000014 rev .5 www.everlight.com disclaimer 1. above specification may be changed without notic e. everlight will reserve authority on material cha nge for above specification. 2. when using this product, please observe the abso lute maximum ratings and the instructions for using outlined in these specification sheets. everlight assumes no responsi bility for any damage resulting from use of the pro duct which does not comply with the absolute maximum ratings a nd the instructions included in these specification sheets. 3. these specification sheets include materials pro tected under copyright of everlight corporation. pl ease don?t reproduce or cause anyone to reproduce them without everlight?s consent.

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