power inductor & 2 in 1 transformer < smd type : cls series> type: cls4d23b please refer to the sales offices on our website fo r a representative near you www.sumida.com 1/4 5.0 0.2 4.8 0.2 1.8 0.1 4.6 0.1 max. 2.5 1.6 0.1 max. 6.0 description ? 4 terminal pins type gives a flexible design as in ductors or transformers. ? can also be used as a coupled inductor, two single inductors connected in parallel, as 1:1 transformer or as an autotransf ormer when connected in series. ? core material: ferrite. ? custom design is available. feature ? ?? ? max. operating frequency: 1mhz. ? ?? ? 2 in 1 coils for high efficiency up-down dc-dc conv erters.(sepic, zeta, cuk converter). ? ?? ? storage temperature range: -40 ~+105 . ? ?? ? operating temperature range: -40 ~+105 (including coils self-heat). ? product weight: 220mg(ref.). ? ?? ? ideally used in the power supply for dsc ? note pc ? dvc and w-led backlighting. ? ?? ? rohs compliance. dimensions (mm) schematics (bottom) land pattern (mm) indicates polarity. 2.0 0.9 2.4 1.2 s s 1 2 3 4
power inductor & 2 in 1 transformer < smd type : cls series> type: cls4d23b please refer to the sales offices on our website fo r 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 (2-1) (4-3) at 20 at 100 at 20 at 100 in parallel in series cls4d23b-2r2n a 2.2h30% 65(49) 75(58) 1.48 1.36 0.76 0.64 2.71 1.30 cls4d23b -3r6n b 3.6h30% 80(60) 98(75) 1.16 1.12 0.56 0.52 2.56 1.15 cls4d23b -5r3n c 5.3h30% 115(89) 145(112) 1.04 0.80 0.52 0.44 1.95 0.94 cls4d23b -7r3n d 7.3h30% 155(121) 195(151) 0.80 0.77 0.44 0.36 1.64 0.71 cls4d23b -11?n e 11h30% 220(171) 285(219) 0.68 0.62 0.35 0.29 1.23 0.59 cls4d23b -17?n f 17h30% 385(297) 480(368) 0.56 0.48 0.28 0.24 0.95 0.44 cls4d23b -22?n g 22h30% 430(330) 570(440) 0.50 0.45 0.25 0.20 0.85 0.42 description of part name cls4d23b -2r2n 1. ( ) typical value. 2. saturation current: the dc current at which the inductance decreases to 90% of its initial 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 vout l1 l2 c1 c2 d
power inductor & 2 in 1 transformer < smd type : cls series> type: cls4d23b please refer to the sales offices on our website fo r a representative near you www.sumida.com 3/4 typical l vs current ref. parallel mode l vs idc ( at 20 ) ( ref. 1 10 100 0 0 1 10 ? ? ) dc a 0.1 0.01 22? 5.3? 3.6? 7.3? 2.2? 11? 17? series mode l vs idc ( at 20 ) ( ref. 1 10 100 0 0 1 10 ? ? ) dc a 0.1 0.01 22? 5.3? 3.6? 7.3? 2.2? 11? 17?
power inductor & 2 in 1 transformer < smd type : cls series> type: cls4d23b please refer to the sales offices on our website fo r a representative near you www.sumida.com 4/4 recommendation reflow condition packaging with embossed tape and reel qty.: 2000pcs/reel 300 0 0 100 150 200 250 300 50 t( ) t(s) 60 120 180 240 170 10 60 ~ 120s 40s 230 245 pe ak 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 pe ak 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 (4.75) 12.0 0.2 5.5 0.08 1.75 0.1 1.5 -0 +0.1 2.0 0.1 4.0 0.1 8.0 0.1 6.2 5.2 2.8 ref. leading edge ba r co de la be l sprocket holes
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