SQH4018S-220M-LF

Coilmaster Electronics Co., Ltd. 3F No.211, Huan Bei Rd. Chung Li City, Taoyuan 320, Taiwan Tel : +886-3-422-8279 Fax : +886-3-452-5688 E-mail :info@coilmaster.com.tw Web Site : www.coilmaster.com.tw SQH4018S SERIES ~ Low Profile SMD Power Inductors PART NUMBERING SYSTEM SQH 4018S TYPE DIMENSIONS 3R3M － INDUCTANCE SHAPES AND DIMENSIONS － LF LEAD FREE UNIT：mm A=4.2 Max. B=4.2 Max. C=2.5 Ref. D=1.8 Max. E=1.1±0.2 RECOMMENDED PATTERNS UNIT：mm G= 1.40 H= 3.60 I = 1.20 FEATURES * Low profile and small inductors ( 4.2mm Max. square and 1.8mm Max. height ) * Magnetically shielded construction and high current * Ideal for DC-DC converter choke coil for portable equipments ( DVDs , DSC , Cellular , PDAs ) * RoHS compliant option with lead free 1/2 Coilmaster Electronics Co., Ltd. E-mail :info@coilmaster.com.tw Web Site : www.coilmaster.com.tw 3F No.211, Huan Bei Rd. Chung Li City, Taoyuan 320, Taiwan Tel : +886-3-422-8279 Fax : +886-3-452-5688 SQH4018S SERIES ~ Low Profile SMD Power Inductors SPECIFICATION TABLE INDUCTANCE DCR (Ω) Isat (A) Irms (A) TEST FREQ. (μH) (Max.) (Max.) (Max.) (f) SQH4018S-1R0N-LF 1.0±30% 0.036 4.00 1.83 100KHz SQH4018S-2R2M-LF 2.2±20% 0.072 2.70 1.44 100KHz SQH4018S-3R3M-LF 3.3±20% 0.084 2.00 1.23 100KHz SQH4018S-4R7M-LF 4.7±20% 0.108 1.70 1.20 100KHz SQH4018S-6R8M-LF SQH4018S-100M-LF 6.8±20% 10±20% 0.132 0.216 1.45 1.20 1.06 0.84 100KHz 100KHz SQH4018S-150M-LF 15±20% 0.300 0.94 0.65 100KHz SQH4018S-220M-LF 22±20% 0.432 0.80 0.59 100KHz SQH4018S-330M-LF 0.636 0.65 0.49 100KHz SQH4018S-470M-LF 33±20% 47±20% 0.780 0.57 0.42 100KHz SQH4018S-680M-LF 68±20% 1.200 0.47 0.32 100KHz SQH4018S-101M-LF 100±20% 1.800 0.40 0.27 100KHz PART NUMBER ● ● ● SQH4018S-151M-LF 3.000 0.31 0.22 100KHz 150±20% SQH4018S-221M-LF 4.800 0.27 0.17 100KHz 220±20% Isat : DC current at which the inductance drops 30%(typ) from its value without current. Irms : The temperature rise current value is the DC current value having temperature increase up 40°C temperature rise from 25°C ambient. Operating temperature range -40℃ to +105℃ , Electrical specifications at 25℃ . 2/2