power inductor & 2 in 1 transformer < smd type: cls series> type: cls4d18 please refer to the sales offices on our website for a representative near you www.sumida.com 1/4 ?? description ?e 4 terminal pins? type gives a flexible design as inductors or transformers. ?e can also be used as a coupled inductor, two single inductors connected in parallel, as 1:1 transformer or as an autotransformer when connected in series. ?e core material: ferrite. ?e custom design is available. ?? feature ?e max. operating frequency: 1mhz. ?e 2 in 1 coils for high efficiency up-down dc-dc converters.(sepic, zeta, cuk converter). ?e storage temperature range: -40 ?? ~+105 ?? . ?e operating temperature range: -40 ?? ~+105 ?? (including coil?s self-heat). ?e product weight: 140mg(ref.). ?e ideally used in the power supply for dsc note pc dvc and w-led backlighting. ?e rohs compliance. ?? dimensions (mm) ?? schematics (bottom) ?? land pattern (mm) ? ? indicates polarity. ?p ?q ?s ?r ?r ?r 1.8 3.1 1.0 1.5 4.8?}0.2 4.8?}0.2 2.0 max. 0.50 2.8 0.7 0.7 3.4 5.3 5.1 max. electrode
power inductor & 2 in 1 transformer < smd type: cls series> type: cls4d18 please refer to the sales offices on our website for a representative near you www.sumida.com 2/4 ?? specification saturation current ? a ? ? 2 temperature rise current (a) ? 3 d.c.r. [max.] ( ?|? ) (at 20 ?? ) ? 1 in parallel in series part no. stamp inductance ? within y (2-1) (4-3) at 20 ?? at 100 ?? at 20 ?? at 100 ?? in parallel in series cls4d18-1r0n ?? a 1.0h30% 52(40) 64(49) 2.10 1.40 1.00 0.77 3.0 1.5 cls4d18-1r8n ?? b 1.8h30% 69(53) 85(65) 1.50 1.10 0.72 0.56 2.7 1.2 cls4d18-2r2n ?? c 2.2h30% 75(58) 95(73) 1.20 0.96 0.62 0.51 2.4 1.1 cls4d18-3r3n ?? d 3.3h30% 95(72) 120(94) 1.10 0.80 0.52 0.40 2.3 0.9 cls4d18-5r0n ?? e 5.0h30% 145(114) 185(145) 0.96 0.70 0.45 0.34 1.8 0.7 cls4d18-6r8n ?? f 6.8h30% 175(134) 230(178) 0.72 0.62 0.39 0.30 1.6 0.65 cls4d18 -100n ?? g 10h30% 310(240) 415(320) 0.64 0.51 0.32 0.26 1.2 0.47 ? description of part name cls4d18 -1r0n ?? ? 1. ( ) typical value. ? 2. saturation current: the dc current at which the i nductance decreases to 90% of it?s nominal value. ? 3.temperature rise current: the dc current at which the temperature rise is ? t ? 40 ?? .(ta ? 20 ?? ). ?? typical sepic schematic b box c carrier tape vin v out l1 l2 c1 c2 d
power inductor & 2 in 1 transformer < smd type: cls series> type: cls4d18 please refer to the sales offices on our website for a representative near you www.sumida.com 3/4 ?? typical l vs current ? ref. ? parallel mode l vs idc ( at 20 ?? ) ( ref. ? 0 1 10 100 00110 ?? ) ??? dc ? a ? 0.1 1.0 1.8 5.0 2.2 3.3 10 0.01 0.1 6.8 series mode l vs idc ( at 20 ?? ) ( ref. ? 0 1 10 100 00110 ?? ) ??? dc ? a ? 0.1 0.01 1.0 1.8 5.0 2.2 3.3 10 6.8 0.1
power inductor & 2 in 1 transformer < smd type: cls series> type: cls4d18 please refer to the sales offices on our website for a representative near you www.sumida.com 4/4 ?? recommendation reflow condition ?? packaging with embossed tape and reel qty.: 1000pcs/reel 300 0 0 100 150 200 250 300 50 t( ?? ) t(s) 60 120 180 240 170 ? 10 ?? ? 60 ~ 120s 40s 230 ?? 245 ?? peak 300 60 120 180 240 0 0 100 150 200 250 300 50 10 t( ??) t( s ) 60 260?? 230?? heat endurance test temperature chart 300 0 0 100 150 200 250 300 50 t( ?? ) t(s) 60 120 180 240 300 0 0 100 150 200 250 300 50 t( ?? ) t(s) 60 120 180 240 170 ? 10 ?? ? 60 ~ 120s 40s 230 ?? 245 ?? peak 300 60 120 180 240 0 0 100 150 200 250 300 50 10 t( ??) t( s ) 60 260?? 230?? heat endurance test temperature chart leading edge bar code label sprocket holes s pr ocket holes bar code label leadin g ed g e 1.75 ?} 0.1 2.0 ?} 0.1 +0.1 -0 4.0 ?} 0.1 1.5 12.0 ?} 0.2 (4.75) 8.0 ?} 0.1 5.5 ?} 0.08 2.3 ref 5.2
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