CLS4D28B SUMIDA | Alldatasheet
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Power Inductor & 2 in 1 Transformer < SMD Type: CLS Series> Type: CLS4D28B Please refer to the sales offices on our website for a representative near you w w w . s u m i d a . c o m 1/4 MAX. 6.0 5.0 0.2 4.8 0.2 MAX. 3.0 1.6 0.1 4.6 0.1 1.8 0.1 Description E4 Terminal pins’ type gives a flexible design as inductors or transformers. ECan 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. ECore material: Ferrite. ECustom design is available. Feature EMax. Operating frequency: 1MHz. E2 in 1 Coils for high efficiency up-down DC-DC converters.(SEPIC, Zeta, Cuk converter). EStorage temperature range: -40℃~+105℃. EOperating temperature range: -40℃~+105℃ (including coil’s self-heat). EProduct weight: 230mg(Ref.). EIdeally used in the power supply for DSC¤Note PC¤DVC and W-LED backlighting. ERoHS Compliance. D i m e n s i o n s ( m m ) Schematics (Bottom) Land Pattern (mm) “ ” indicates polarity. 2.00.9 2.4 1.2 S 2 3 Under Development
Power Inductor & 2 in 1 Transformer < SMD Type: CLS Series> Type: CLS4D28B Please refer to the sales offices on our website for a representative near you w w w . s u m i d a . c o m 2/4 Specification Saturation Current（A） Temperature Rise current (A) ※3 D.C.R. [Max.] (ｍΩ) (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 ※ Description of Part Name CLS4D28B -2R2N□ ※1. ( ) typical value. ※2. Saturation Current: The DC current at which the inductance 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 Vout D
Power Inductor & 2 in 1 Transformer < SMD Type: CLS Series> Type: CLS4D28B Please refer to the sales offices on our website for a representative near you w w w . s u m i d a . c o m 3/4 Typical L Vs Current Series mode L vs Idc ( at 20℃ ) ( REF.） 100 001 1 0 Ｌ（ µΗ ) Ｉdc（A）0.10.01 22µΗ 5.2µΗ 3.5µΗ 6.8µΗ 2.2µΗ 10µΗ 15µΗ 33µΗ 47µΗ Parallel mode L vs Idc ( at 20℃ ) ( REF.） 100 001 1 0 Ｌ（ µΗ ) Ｉdc（A）0.10.01 22µΗ 5.2µΗ 3.5µΗ 6.8µΗ 2.2µΗ 10µΗ 15µΗ 33µΗ 47µΗ
Power Inductor & 2 in 1 Transformer < SMD Type: CLS Series> Type: CLS4D28B Please refer to the sales offices on our website for a representative near you w w w . s u m i d a . c o m 4/4 Recommendation Reflow Condition Packaging with Embossed Tape and reel Qty.: 2000pcs/reel 3000 100 150 200 250 300 T() T(s)60 120 180 240 40s 230 245 PEAK 300 120 180 2400 100 150 200 250 300 T( ) T( s)60 260 230 Heat Endurance Test Temperature Chart 3000 100 150 200 250 300 T() T(s)60 120 180 240 3000 100 150 200 250 300 T() T(s)60 120 180 240 40s 230 245 PEAK 300 120 180 2400 100 150 200 250 300 T( ) T( s)60 260 230 Heat Endurance Test Temperature Chart Leading Edge Bar code label Sprocket Holes 12.0}0.2 (4.75)5.5}0.08 2.0}0.1 4.0}0.1 8.0}0.1 3.3 Ref. 6.2 5.2 1.5 +0.1 1.75}0.1 Sprocket Holes Bar code label Leading Edge