SRN4012T-4R7M Bourns

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 SRN4012T Series - Semi-shielded Power Inductors Electrical Speci cations 25 C General Speci cations Operating Temperature Inductance Q (Min.) ................................. -40 C to +125 C 100 KHz / 1 V SRF DCR 100 kHz / (MHz) () Irms Isat (Temperature rise included) Bourns Part No. L (H) Tol. % 1 V Typ. 20 % (A) (A) Storage Temperature .. -40 C to +125 C SRN4012T-R47M 0.47 20 6 140 0.025 3.2 4 Resistance to Solder Heat ...............................+260 C for 10 sec. SRN4012T-1R0M 1.0 20 6 100 0.042 2.2 2.8 Temperature Rise .....40 C at rated Irms SRN4012T-1R5M 1.5 20 6 90 0.05 2 2.2 Rated Current SRN4012T-2R2M 2.2 20 6 70 0.06 1.9 1.65 ............ Inductance drops 30 % at Isat SRN4012T-3R3M 3.3 20 6 60 0.07 1.7 1.4 SRN4012T-4R7M 4.7 20 6 45 0.095 1.5 1.2 Materials SRN4012T-6R8M 6.8 20 6 35 0.125 1.3 0.9 Core ..............................................Ferrite SRN4012T-100M 10 20 10 30 0.18 1.1 0.8 Wire ............................Enameled copper SRN4012T-150M 15 20 10 24 0.26 0.75 0.65 Terminal Finish ...................................Sn Coating .................Magnetic epoxy resin SRN4012T-220M 22 20 10 18 0.4 0.62 0.5 Packaging ..... 4500 pcs. per 13-inch reel Soldering Pro le Product Dimensions 1.2 Preheating Soldering Natural Cooling 4.0 0.2 (.047) (.157 .008) T (260 C / 10 Sec. Max.) MAX. P t (245 C, 20~40 Sec.) p 4.0 0.2 217 C 200 C (.157 .008) 60~150 Sec. 150C 60~180 Sec. 1.1 REF. 480 Sec. Max. (.043) 25 Time (Seconds) Electrical Schematic How to Order SRN4012T - R47M 2.5 Model (.098) Value Code (see table) 1.1 REF. REF. (.043) Recommended Layout 4.2 (.165) 4.2 (.165) WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. **Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) the Chlorine 1.2 (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. (.047) Specications are subject to change without notice. Users should verify actual device performance in their specic MM applications. The products described herein and this document are subject to specic legal disclaimers as set forth on DIMENSIONS: (INCHES) the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf *RoHS COMPLIANT Temperature (C) SRF0504 Series - Line Filter SRN4012T Series - Semi-shielded Power Inductors L vs. IDC SRN4012T-R47M SRN4012T-1R5M SRN4012T-1R0M 2.5 0.8 2.0 2.0 0.6 1.5 1.5 1.0 0.4 1.0 0.2 0.5 0.5 0 0 0 01 2 34 5 01 2 34 5 01 2 34 DC Current (A) DC Current (A) DC Current (A) SRN4012T-2R2M SRN4012T-3R3M SRN4012T-4R7M 4 5.0 8 3 4.5 6 2 3.0 4 1 1.5 2 0 0 0 0 0.7 1.4 2.1 2.8 0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 DC Current (A) DC Current (A) DC Current (A) SRN4012T-150M SRN4012T-6R8M SRN4012T-100M 20 12 20 15 9 15 15 6 10 10 3 5 5 0 0 0 0 0.4 0.8 1.2 1.6 0 0.2 0.4 0.6 0.8 1.0 0 0.3 0.6 0.9 1.2 DC Current (A) DC Current (A) DC Current (A) SRN4012T-220M 40 30 20 10 0 0 0.2 0.4 0.6 0.8 1.0 DC Current (A) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Inductance ( H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance ( H) Inductance (H) Inductance (H) Inductance ( H)