power inductor & 2 in 1 transformer < smd type : cls series> type: cls3d23 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 max.2.5 0.8 1.6 1.9 0.8
power inductor & 2 in 1 transformer < smd type : cls series> type: cls3d23 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 cls3d23np-1r0n a 1.030% 59(47) 53(42) 2.18 1.84 1.05 0.89 2.11 1.18 cls3d23np-1r5n b 1.530% 65(52) 62(49) 1.92 1.62 0.91 0.80 2.06 0.97 cls3d23np-2r2n c 2.230% 90(72) 78(62) 1.71 1.51 0.90 0.75 1.89 0.81 cls3d23np-3r3n d 3.330% 114(91) 95(76) 1.42 1.21 0.66 0.63 1.47 0.72 cls3d23np-4r7n e 4.730% 159(127) 135(108) 0.97 0.91 0.47 0.44 1.36 0.54 cls3d23np-7r4n f 7.430% 208(166) 169(135) 0.85 0.64 0.43 0.37 0.99 0.49 cls3d23np-100n g 1030% 345(276) 288(230) 0.70 0.59 0.36 0.32 0.94 0.38 description of part name cls3d23np -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: cls3d23 please refer to the sales offices on our website fo r a representative near you www.sumida.com 3/4 typical l vs current series mode l vs idc ( at 20 ) ( ref. 0 1 10 0 0 1 10 ? ? ) dc a 10? 2.2? 1.5? 3.3? 1.0? 4.7? 0.1 0.01 7.4? 0.1 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? 1.5? 3.3? 1.0? 4.7? 7.4?
power inductor & 2 in 1 transformer < smd type : cls series> type: cls3d23 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 1 2 . 0 0 . 2 ( 4 . 7 5 ) 5 . 5 0 . 0 8 1 . 7 5 0 . 1 1.5 +0.1 -0 2.00.1 4.00.1 8.00.1 2.8 ref. 6 . 2 5 . 2 leading edge ba r co de la be l sprocket holes sprocket holes bar code label leading edge
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