SRN4012-1R5M

Features Applications Semi-shielded construction DC/DC converters Low pro le: 1.2 mm Notebook computers Inductance range: 0.47 to 22 H Digital video cameras Rated current up to 3.2 A HDDs RoHS compliant* and halogen free** Cellphones Televisions, LCD displays SRN4012 Series - Semi-shielded Power Inductors Electrical Speci cations 25 C General Speci cations Operating Temperature Inductance DCR ................................. -40 C to +125 C 100 KHz / 0.1 V () Irms Isat (Temperature rise included) Bourns Part No. L (H) Tol. % Max. (A) (A) Storage Temperature .. -40 C to +125 C SRN4012-R47M 0.47 20 0.03 3.2 4 Resistance to Solder Heat SRN4012-1R0M 1.0 20 0.045 2.2 2.8 ...............................+260 C for 40 sec. Temperature Rise .....40 C at rated Irms SRN4012-1R5M 1.5 20 0.06 2 2.2 Rated Current SRN4012-2R2M 2.2 20 0.072 1.9 1.65 ............ Inductance drops 30 % at Isat SRN4012-3R3M 3.3 20 0.101 1.7 1.4 SRN4012-4R7M 4.7 20 0.114 1.5 1.2 Materials SRN4012-6R8M 6.8 20 0.15 1.3 0.9 Core ..............................................Ferrite SRN4012-100M 10 20 0.204 1.1 0.8 Wire ............................Enameled copper SRN4012-220M 22 20 0.48 0.62 0.5 Terminal Finish ...................................Sn Coating .................Magnetic epoxy resin Packaging ..... 4000 pcs. per 13-inch reel Soldering Pro le Peak Temperature260 max. Product Dimensions Max. Peak Temperature 260 40 sec. max. Max. Time Above 217 : 60~150 sec. max. 4.0 0.3 (.157 .012) Preheating Soldering Natural Cooling 20~40 Sec. Peak Temperature (260 C, 40 Sec. Max.) 4.0 0.3 (.157 .012) 217 C 200 C 60~150 Sec. 150C 60~180 1.2 Sec. (.047) 1.65 0.2 MAX. (.065 .008) 480 Sec. Max. 25 Time (Seconds) Reflow Times: 3 Times Max. Electrical Schematic How to Order SRN4012 - R47M Model Recommended Layout Value Code (see table) 4.3 (.169) 4.3 0.9 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. (.169) (.035) **Bourns follows the prevailing de nition of halogen free in the industry. Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) the Chlorine (Cl) content is 900 ppm or less and (c) the MM DIMENSIONS: total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. (INCHES) Speci cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their speci c applications. 1.0 *RoHS COMPLIANT Temperature (C) SRF0504 Series - Line Filter SRN4012 Series - Semi-shielded Power Inductors L vs. IDC SRN4012-R47M SRN4012-1R0M SRN4012-1R5M 1.0 1.20 40 15 3.0 20 0.8 0.96 32 12 2.4 16 0.72 0.6 24 9 1.8 12 0.48 0.4 6 1.2 16 8 0.24 3 0.2 0.6 4 8 0 0 0 0 0 0 0 0.56 1.12 1.68 2.24 2.80 0 0.8 1.6 2.4 3.2 4.0 0 0.44 0.88 1.32 1.76 2.20 DC Current (A) DC Current (A) DC Current (A) SRN4012-2R2M SRN4012-3R3M SRN4012-4R7M 3.0 4.0 12.0 14.0 6.0 17.0 2.4 3.2 9.6 11.2 4.8 13.6 1.8 7.2 2.4 8.4 3.6 10.2 1.2 4.8 1.6 5.6 2.4 6.8 0.6 2.4 0.8 1.2 2.8 3.4 0 0 0 0 0 0 0 0.38 0.76 1.14 1.52 1.90 0 0.34 0.68 1.02 1.36 1.70 0 0.3 0.6 0.9 1.2 1.5 DC Current (A) DC Current (A) DC Current (A) SRN4012-6R8M SRN4012-100M SRN4012-220M 9.0 17.0 14.0 28.0 18.0 12.0 7.2 13.6 11.2 22.4 14.4 9.6 5.4 10.2 8.4 10.8 16.8 7.2 3.6 6.8 5.6 7.2 11.2 4.8 1.8 3.4 2.8 5.6 2.4 3.6 0 0 0 0 0 0 0 0.28 0.52 0.78 1.04 1.3 0 0.22 0.44 0.66 0.88 1.10 0 0.124 0.248 0.372 0.496 0.620 DC Current (A) DC Current (A) DC Current (A) Speci cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their speci c applications. Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)