power inductor & 2 in 1 transformer < smd type: cls series> type: cls3d18 please refer to the sales offices on our website fo r a representative near you www.sumida.com 1/4 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: 100mg(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. s s 1 2 3 4 3.8 4 . 0 max.2.0 1 . 1 m a x . 5 . 0 1.1 3.6 3 . 8 O electrode 3.80.2 4 . 0 0 . 2 3. 6 0.2 3 . 8 0 . 2 0.8 1.6 1.9 0.8
power inductor & 2 in 1 transformer < smd type: cls series> type: cls3d18 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 h within (2-1) (4-3) at 20 at 100 at 20 at 100 in parallel in series cls3d18np-1r0n a 1.030% 56(45) 45(36) 1.65 1.53 0.82 0.72 2.10 1.02 cls3d18np-1r8n b 1.830% 84(67) 69(55) 1.24 1.08 0.62 0.51 1.80 0.83 cls3d18np-2r2n c 2.230% 95(76) 73(58) 1.12 0.95 0.53 0.46 1.60 0.80 cls3d18np-3r3n d 3.330% 141(113) 108(86) 1.01 0.86 0.49 0.41 1.35 0.60 cls3d18np-5r0n e 5.030% 200(160) 155(127) 0.73 0.63 0.35 0.32 1.17 0.50 cls3d18np-6r8n f 6.830% 278(222) 213(170) 0.61 0.59 0.32 0.27 0.98 0.47 cls3d18np-100n g 1030% 404(323) 305(244) 0.51 0.45 0.24 0.23 0.75 0.34 description of part name cls3d18np -1r0n 1. ( ) typical value. 2. saturation current: the dc current at which the inductance decreases to 90% of its 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 vout l1 l2 c1 c2 d
power inductor & 2 in 1 transformer < smd type: cls series> type: cls3d18 please refer to the sales offices on our website fo r a representative near you www.sumida.com 3/4 typical l vs current parallel mode l vs idc ( at 20 ) ( ref. 0 1 10 0 0 1 10 ? ? ) dc a 0.1 0.01 0.1 10? 2.2? 1.8? 3.3? 1.0? 5.0? 6.8? series mode l vs idc ( at 20 ) ( ref. 0 1 10 0 0 1 10 ? ? ) dc a 10? 2.2? 1.8? 3.3? 1.0? 5.0? 0.1 0.01 6.8? 0.1
power inductor & 2 in 1 transformer < smd type: cls series> type: cls3d18 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 +0.1 -0 (4.75) 1.5 6.2 5.2 2.3 ref. 2.0 0.1 4.0 0.1 8.0 0.1 12.0 0.2 5.5 0.08 1.75 0.1 leading edge ba r co de la be l sprocket holes sprocket holes bar code label leading edge
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