Features n Semi-shielded construction n Miniature size n High Q value n High self-resonant frequency n Low DCR n RoHS compliant* and halogen free** SRN2012T Series - Semi-Shielded Power Inductors Electrical Specifications 25 C Additional Information Click these links for more information: L & Q SRF DCR Irms Isat Inductance Q Test Freq. (MHz) (W) (mA) (mA) Bourns Part No. L (mH) Tol. % Typ. / Voltage Typ. 30 % Typ. Typ. SRN2012T-1R0K 1.0 14 7.9 MHz / 0.5 V 208 0.085 1300 1100 10 SRN2012T-2R2K 2.2 13 7.9 MHz / 0.5 V 100 0.18 1040 740 10 PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT SELECTOR LIBRARY SRN2012T-4R7K 4.7 14 7.9 MHz / 0.5 V 65 0.36 840 520 10 SRN2012T-6R8K 6.8 14 7.9 MHz / 0.5 V 55 0.6 700 420 10 11.0 0.5 11.0 0.5 General Specifications (.433 .020) (.433 .020) SRN2012T-100K 10 14 2.5 MHz / 0.5 V 40 0.8 560 360 10 10.0 0.3 10.0 0.3 (.394 .012) (.394 .012) Operating Temperature SRN2012T-150K 15 15 2.5 MHz / 0.5 V 35 1.4 380 300 10 .................................. -40 C to +125 C SRN2012T-220K 22 15 2.5 MHz / 0.5 V 20 1.76 340 240 10 (Temperature rise included) 100 R45 Storage Temperature (Component) 1516 1516 Product Dimensions .................................. -40 C to +125 C Product Dimensions 1 Temperature Rise .... 40 C at rated Irms 10.0 0.3 10.0 0.3 3.8 0.2 3.8 0.2 2.0 0.2 0.60 (.394 .012) (.394 .012) (.150 + .008) (.150 + .008) Rated Current REF. (.079 .008) (.020) 2.75 0.35 2.75 0.35 ............. Inductance drops 20 % at Isat(.108 .014) (.108 .014) 2.3 0.3 2.3 0.3 Moisture Sensitivity Level ......................1 (.091 .012) (.091 .012) ESD Classification (HBM)..................N/A 1.2 0.2 (.047 .008) Note 1: Circuit design, component, PCB trace size and thickness, airflow and other cooling provisions all affect the part temperature. Part temperature should be 1.2 0.70 0.70 verified in the end application. MAX. REF. REF. (.047) (.028) (.028) 3.0 0.3 3.0 0.3 (.118 .012) (.118 .012) Materials TOP VIEW SIDE VIEW BOTTOM VIEW Core .............................................. Ferrite MM DIMENSIONS: (INCHES) Wire .............................Enameled copper 13.6 (.535) Terminal Finish ................................... Sn Coating ..................Magnetic epoxy resin 3.5 (.138) Packaging ........ 2000 pcs. per 7-inch reel 5.4 (.213) Electrical Schematic Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com How to Order EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com SRN2012T - 1R0K The Americas: Tel: +1-951 781-5500 Email: americus bourns.com Model www.bourns.com Value Code (see table) WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 or ppmless (b) the Chlorine (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. RoHS COMPLIANT* & HALOGEN FREE** *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT* SRN2012T Series - Semi-Shielded Power Inductors Soldering Profile Recommended Layout NATURAL 2.80 PRE-HEATING SOLDERING COOLING (.110) T (260 C / 10 seconds max.) P t (245 C / 20~40 seconds) p 1.78 (.070) 217 200 60 ~ 150 seconds 150 0.76 (.030) 60 ~ 180 seconds MM DIMENSIONS: 480 seconds max. (INCHES) 25 Time (Seconds) REFLOW TIMES: 3 MAX. Packaging Specifications 8.4 1.0 (.331 .039) 178 2 (7 .079) 50 MIN. (1.969) 13 0.8 (.512 .031) 1.75 0.1 4.0 0.1 2.0 0.05 1.50 +0.10/-0 0.23 0.05 DIA. (.069 .004) (.157 .004) (.079 .002) (.059 +.004/-0) (.009 .002) 2.25 0.1 3.50 0.05 4 (.089 .004) (.138 .002) 8.00 0.10 (.315 .004) 1.40 0.1 4.00 0.1 1.00 0.1 (.055 .004) (.157 .004) (.039 .004) 8 0.3 1.35 0.1 R: MAX. (.012) (.053 .004) MM DIMENSIONS: (INCHES) 10/21 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Temperature (C)