page 1 of 4 revised: 12-dec-14 pin pin pin pin power inductor power inductor power inductor power inductor rch4764b description ? ferrite drum core construction. ? magnetically unshielded. ? l w h: 5.0 5.0 6.5mm max. ? product weight: 0.5 g(ref.) ? moisture sensitivity level: 1 ? rohs compliance. environmental data ? operating temperature range: -20 +105 (including coils self temperature rise) ? storage temperature range: -20 +85 packaging ? box packaging. applications ? ideally used in printers, lcd tv, dvd, copy machine, mainboard of the compounding machines etc. as dc-dc converter inductors. rohs dimension - [mm] connection - [mm] 2 . 5 0 . 5 5 . 0 m a x . 6.5 max. 2.70.5 0.7 max. 0 . 5 0 . 1
page 2 of 4 revised: 12-dec-14 pin pin pin pin power inductor power inductor power inductor power inductor rch4764b electrical characteristics 1: inductance measuring condition:1.5uh 6.8uh at 100khz ; 10uh 1.0mh at 1khz 2. saturation current: the value of d.c. current wh en the inductance decreases to 90% of its nominal value. 3. temperature rise current: the value of d.c. curr ent when the temperature rise is t 40 (ta 20 ). 0.16 0.24 8.25(6.60) 1.0mh10% n rch4764bnp-1 0 2k 0.18 0.30 5.56(4.45) 680h10% l rch4764bnp-681k 0.25 0.39 3.36(2.69) 390h10% h rch4764bnp-391k 0.31 0.48 2.41(1.93) 270h10% f rch4764bnp-271k 0.58 0.78 843m(675m) 100h10% a rch4764bnp-1 0 1k 0.72 0.9 537m(430m) 68h10% y rch4764bnp-68 0 k 1.0 1.1 281m(225m) 39h20% v rch4764bnp-39 0 m 1.2 1.7 183m(147m) 22h20% s rch4764bnp-22 0 m 1.5 2.4 100m(74m) 10h20% n rch4764bnp-1 00 m 2.3 2.8 64m(47m) 6.8h20% l rch4764bnp-6r8m 2.5 3.8 48m(35m) 3.9h20% h rch4764bnp-3r9m 2.7 4.8 40m(29m) 2.7h20% f rch4764bnp-2r7m 3.3 5.8 30m(22m) 1.5h20% c rch4764bnp-1r5m temperature rise current (a) 4 saturation current (at 20) (a) 3 d.c.r. () max. (typ.) (at 20) inductance within 1 stamp part no.
page 3 of 4 revised: 12-dec-14 pin pin pin pin power inductor power inductor power inductor power inductor rch4764b 0 150 300 450 600 750 900 0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 40 50 60 0 100 200 300 400 500 600 0 0.1 0.2 0.3 0.4 0.5 0.6 0 10 20 30 40 50 60 0 60 120 180 240 300 360 0 0.2 0.4 0.6 0.8 0 10 20 30 40 50 60 0 20 40 60 80 100 120 0 0.3 0.6 0.9 1.2 0 10 20 30 40 50 60 0 15 30 45 60 75 90 0 0.4 0.8 1.2 1.6 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0 0.4 0.8 1.2 1.6 2 0 10 20 30 40 50 60 0 4 8 12 16 20 24 0 0.5 1 1.5 2 2.5 3 0 10 20 30 40 50 60 0 2 4 6 8 10 12 0 1 2 3 4 5 0 10 20 30 40 50 60 0 2 4 6 8 10 12 0 1 2 3 4 5 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 1 2 3 4 5 6 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 2 4 6 8 0 10 20 30 40 50 60 0 1 2 3 4 5 6 0 2 4 6 8 10 0 10 20 30 40 50 60 saturation current & temperature rise graph 1. rch4764bnp-1r5m t ( ) l ( h) 2. rch4764bnp-2r7m t ( ) l ( h) 3. rch4764bnp-3r9m l ( h) dc (a) 5. RCH4764BNP-100M t ( ) l ( h) 6. rch4764bnp-220m 7. rch4764bnp-390m t ( ) l ( h) 8. rch4764bnp-680m t ( ) l ( h) dc (a) 4. rch4764bnp-6r8m t ( ) dc (a) dc (a) dc (a) dc (a) dc (a) t ( ) l ( h) t ( ) l ( h) 9. rch4764bnp-101k t ( ) l ( h) dc (a) dc (a) l (20 ) t 10. rch4764bnp-271k t ( ) l ( h) dc (a) 11. rch4764bnp-391k t ( ) l ( h) dc (a) 12. rch4764bnp-681k t ( ) l ( h) dc (a)
page 4 of 4 revised: 12-dec-14 pin pin pin pin power inductor power inductor power inductor power inductor rch4764b 0 200 400 600 800 1000 1200 0 0.1 0.2 0.3 0.4 0 10 20 30 40 50 60 saturation current & temperature rise graph 13. rch4764bnp-102k t ( ) l ( h) dc (a) neumarkt obernzell chicago tel.+49-9181-4509-110 fax. +49-9181-4509-310 infocomp@eu.sumida.com tel.+49-8591-937-0 fax. +49-8591-937-103 contact@eu.sumida.com tel.+1-847-545-6700 fax. +1-847-545-6720 sales@us.sumida.com taipei shenzhen shanghai hong kong tel.+1-408-321-9660 fax.+1-408-321-9308 sales@us.sumida.com tel.+65-6296-3388 fax.+65-6841-4426 sales@sg.sumida.com tel.+82-2-6237-0777 fax.+82-2-6237-0778 sales@kr.sumida.com tel.+81-48-691-7300 fax.+81-48-691-7340 sales@jp.sumida.com san jose singapore seoul saitama(japan) please refer to the sales offices on our website - http://www.sumida.com tel.+886-2-8751-2737 fax.+886-2-8751-2738 sales@tw.sumida.com tel.+86-755-8291-0228 fax.+86-755-8291-0338 shenzhen.sales@cn.sumida.com tel.+86-21-5836-3299 fax.+86-21-5836-3266 shanghai.sales@cn.sumida.com tel.+852-2880-6781 fax.+852-2565-9600 sales@hk.sumida.com l (20 ) t
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