YSFB1890-100M

High Current Power Inductor ■ Features ● Assemblage design,sturdy structure. ● High inductance,high current,low magnetic loss,low ESR,small parasitic capacitance. ● Flat wire winding,achieve alow D.C.Resistance. ● Temperature rise current and saturation current is less influenced by environment. ● Operating temperature range:-40℃ ~ +125℃. ■ Applications ● Low profile,high current power supplies. ● Battery powered devices. ● DC/DC converters in distributed power systems. ● DC/DC converters for field programmable gate array. ■ Product Identification ⑴ ：Type ⑵ ：Dimensions ⑶ ：Inductance value ⑷ ：Inductance Tolerance: M=±20%,K=±10% ■ Shapes and Dimensions (Unit：mm) TYPE YSFB1890 A 18.3±1.0 深圳市益嘉源电子有限公司 http://www.yjycoin.com B 18.2±0.5 C 8.9±0.3 D 4.5±1.0 E 3.0±0.5 F 0~0.3 1 High Current Power Inductor ■ Electrical requirements Inductance DCR Max. Saturation Temperature rise (uH) (mΩ) current (A) current(A) YSFB1890-1R3M 1.3±20% 1.20 67 32 YSFB1890-2R2M 2.2±20% 1.82 50 32 YSFB1890-3R3M 3.3±20% 2.60 43 25 YSFB1890-4R7M 4.7±20% 3.40 39 23 YSFB1890-6R8M 6.8±20% 4.70 31 19 YSFB1890-100M 10±20% 6.90 24 16 YSFB1890-150M 15±20% 10.0 22 14 YSFB1890-220M 22±20% 14.1 18 11 YSFB1890-330M 33±20% 23.0 14 8.5 Part Number ※ All test data is based on 25 ℃ ambient. ※ DC current(A) that will cause an approximate ΔT40℃. ※ DC current(A) that will cause L0 to drop approximately 30% Typ. ※ The part temperature (ambient + temp rise) should not exceed 125℃ under worst case operating conditions. Circuit design,component.PWB trace size and thickness,airflow and other cooling provision all affect the part temperature.Part temperature should be verified in the den application. ■ Electrical schematics 深圳市益嘉源电子有限公司 http://www.yjycoin.com 2 High Current Power Inductor ■ Current characteristic 深圳市益嘉源电子有限公司 http://www.yjycoin.com 3 High Current Power Inductor ■ Reliability Item Solder a bility test Specification and Requirement Terminals area must have 95% min solder coverage Test Method Solder heat proof: ①Preheating:160±10℃ for 90 seconds ②Retention time:245±5℃ for 2±0.5 seconds ① Vibration frequency:(10Hz to 55Hz to Vibration test Inductance change:Within±5% Without Mechanical damage such as break 10Hz) in 60 seconds as a period ② Vibration time: Period cycled for 2 hours in each of 3 mutual perpendicular directions. ③ Amplitude:1.5mm Max. ① Peak value:100G. Shock test Inductance change: Within±5% Without ② Duration of pulse:11ms. Mechanical damage such as break ③ Times in each positive and negative direction of 3 mutual perpendicular directions ① Repeat 100 cycle as follow (-55±2℃ 30±3 minutes),Room temperature,5 minutes Thermal shock Inductance change: Within±5% Without (+125±2℃，30±3 minutes) Mechanical damage such as break ② Recovery:48+4/-0 hours of recovery Under the standard condition after the test. (see Note 1) High temperature Inductance change: Within±5% Without life test Mechanical damage such as break ① Environment condition:85±2℃ Applied current:Rated current ② Duration:1000+4/-0 hours(see Note 1) ① Environment condition:60±2℃ Humidity Inductance change: Within±5% Without Humidity:90-95% Resistance Mechanical damage such as break Applied current:Rated current ② Duration:1000+4/-0 hours(see Note 1) Low temperature Inductance change: Within±5% Without Store temperature -55±±2℃ for total life test Mechanical damage such as break 1000+4/-0 hours High temperature Inductance change: Within±5% Without Store temperature +125±2℃for total life test Mechanical damage such as break 1000+4/-0 hours 深圳市益嘉源电子有限公司 http://www.yjycoin.com 4 High Current Power Inductor ■ Reflow Profile ■ Reflow Soldering Method Reflow Soldering Tp:255 ~ 260℃ Max. 30 seconds(tp) 217℃ Pre-Heat 150 ~ 200℃ Time 25℃ to peak temperature 8 minutes Max. 60 ~ 150 seconds 60 ~ 150 seconds ■ Soldering iron method 350±5℃ Max.3 seconds. 深圳市益嘉源电子有限公司 http://www.yjycoin.com 5 High Current Power Inductor ■ Taping Dimensions(Unit:mm) W A0 B0 K0 P E F D0 P0 T MPQ 32±0.3 19.4±0.1 18.8±0.1 9.5±0.1 0.2±0.05 1.75±0.1 14.2±0.1 1.5±0.1 4.0±0.1 0.5±0.05 250 ■ Reel Dimensions(Unit:mm) TYPE W W1 W2 W3 A B C D YSFB1890 330±0.5 32.4+1.5-0 38.4Max 31.9 Min 13.0±0.50 21.0±0.80 2.0±0.50 100 Min 深圳市益嘉源电子有限公司 http://www.yjycoin.com 6 High Current Power Inductor ■ Direction of rolling ■ Cover tape peel off condition Cover tape peel force shall be 0.1N to 1.3N. Reference peel speed 300±10mm/min. 深圳市益嘉源电子有限公司 http://www.yjycoin.com 7