SRN2012-1R0M Bourns

Features Applications Semi-shielded construction DC/DC converters Miniature size Notebook computers Low pro le: 1.2 mm Digital video cameras Inductance range: 0.24 to 2.2 H HDDs Rated current up to 3.5 A Cellphones RoHS compliant* and halogen free** Televisions, LCD displays SRN2012 Series - Semi-shielded Power Inductors Electrical Speci cations 25 C General Speci cations Operating Temperature Inductance Test SRF DCR ................................. -55 C to +125 C 1 MHz / 0.1 V Q Freq. (MHz) () Irms Isat (Temperature rise included) Bourns Part No. L (H) Tol. % (Ref.) (MHz) Min. Max. (A) (A) Storage Temperature .... -40 C to +85 C SRN2012-R24M 0.24 20 8 1 360 0.033 3.5 4.8 Resistance to Solder Heat SRN2012-R47M 0.47 20 9 1 220 0.046 2.9 3.5 ...............................+260 C for 40 sec. Temperature Rise .....40 C at rated Irms SRN2012-1R0M 1.0 20 10 1 110 0.104 2.3 2.5 Rated Current SRN2012-1R5M 1.5 20 12 1 90 0.108 1.8 2.0 ............ Inductance drops 30 % at Isat SRN2012-2R2M 2.2 20 13 1 70 0.186 1.3 1.6 Materials Soldering Pro le Core ..............................................Ferrite Peak Temperature 260 max. Wire ............................Enameled copper Max. Peak Temperature 260 40 sec. max. Terminal Finish ...................................Sn Max. Time Above 217 : 60~150 sec. max. Coating .................Magnetic epoxy resin Packaging ....... 2000 pcs. per 7-inch reel Preheating Soldering Natural Cooling Product Dimensions 20~40 Sec. Peak Temperature (260 C, 40 Sec. Max.) 2.0 +0.2/-0.1 (.079 +.008/-.004) 217 C 200 C 60~150 Sec. 150C 60~180 1.6 +0.2/-0.1 Sec. (.063 +.008/-.004) 480 Sec. Max. 25 Time (Seconds) Reflow Times: 3 Times Max. Electrical Schematic How to Order SRN2012 - R24M Model 0.6 0.6 (.024) (.024) Value Code (see table) REF. 0.8 REF. (.031) REF. Asia-Paci c: Tel: +886-2 2562-4117 Fax: +886-2 2562-4116 1.2 EMEA: Tel: +36 88 520 390 Fax: +36 88 520 211 (.047) MAX. The Americas: Tel: +1-951 781-5500 Fax: +1-951 781-5700 www.bourns.com Recommended Layout 2.4 (.094) 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 1.8 0.8 (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. (.031) (.071) 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 MM DIMENSIONS: the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf (INCHES) *RoHS COMPLIANT Temperature (C) SRF0504 Series - Line Filter SRN2012 Series - Semi-shielded Power Inductors L vs. IDC SRN2012-R24M SRN2012-1R0M SRN2012-R47M 0.4 2.0 0.8 0.3 1.5 0.6 1.0 0.2 0.4 0.1 0.5 0.2 0 0 0 0 0 1.5 3 4.5 6 0.6 1.2 1.8 2.4 3.0 0 12 4 4 DC Current(A) DC Current(A) DC Current(A) SRN2012-2R2M SRN2012-1R5M 2.5 4 2.0 3 1.5 2 1.0 1 0.5 0 0 0 0.5 1.0 1.5 2.0 2.5 0 0.5 1.0 1.5 2.0 DC Current(A) DC Current(A) Packaging Speci cations 8.4 1.0 (.331 .004) 4.0 0.1 2.0 0.05 0.23 0.05 (.157 .004) (.079 .002) (.009 .002) 13.0 0.8 2.0 0.1 (.079 .004) (.512 .031) 8.0 0.1 50.0 (.315 .004) (1.969) MIN. 1.40 0.1 4.0 0.1 (.055 .004) (.157 .004) 178 2.0 (7.008 .079) 2.0 0.1 (.079 .004) MM DIMENSIONS: (INCHES) USER DIRECTION OF FEED QTY: 2000 PCS. PER REEL REV. 12/14 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)