Features Semi-shielded construction Inductance range: 0.47 to 22 H Rated current up to 3.2 A AEC-Q200 qualied RoHS compliant* and halogen free** SRN4012TA Series - Semi-shielded Power Inductors Operating Temperature Inductance Q SRF DCR ................................. -40 C to +125 C 100 kHz / 1 V (Min.) (MHz) () Irms Isat (Temperature rise included) Bourns Part No. L (H) Tol. % 100 kHz Typ. 20 % (A) (A) Storage Temperature .. -40 C to +125 C SRN4012TA-R47M 0.47 20 6 140 0.025 3.2 4 Temperature Rise .....40 C at rated Irms Rated Current SRN4012TA-1R0M 1.0 20 6 100 0.042 2.2 2.8 ............ Inductance drops 30 % at Isat SRN4012TA-1R5M 1.5 20 6 90 0.05 2 2.2 9 Failure In Time (FIT) ........24.7/10 hours SRN4012TA-2R2M 2.2 20 6 70 0.06 1.9 1.65 Mean Time Between Failures (MTBF) 6 SRN4012TA-3R3M 3.3 20 6 60 0.07 1.7 1.4 ..................................40.4 x 10 hours SRN4012TA-4R7M 4.7 20 6 45 0.095 1.5 1.2 Materials SRN4012TA-5R6M 5.6 20 6 40 0.12 1.4 1.1 Core ..............................................Ferrite SRN4012TA-6R8M 6.8 20 6 35 0.125 1.3 0.9 Wire ............................Enameled copper SRN4012TA-100M 10 20 10 30 0.18 1.1 0.8 Terminal Finish ...................................Sn Coating ................. Magnetic epoxy resin SRN4012TA-150M 15 20 10 24 0.26 0.75 0.65 Packaging ..... 4500 pcs. per 13-inch reel SRN4012TA-220M 22 20 10 18 0.4 0.62 0.5 Product Dimensions 4.0 0.2 (.157 .008) Preheating Soldering Natural Cooling T (260 C, 10 Sec. Max.) P 4.0 0.2 (.157 .008) t (245 C, 20~40 Sec.) p 217 C 200 C 60~150 Sec. 150C 60~180 Sec. 480 Sec. Max. REF. REF. 1.2 1.2 25 (.047) (.047) Time (Seconds) 1.6 REF. 1.2 (.063) (.047) MAX. Electrical Schematic How to Order SRN4012TA - 100M Model Recommended Layout Value Code (see table) 4.2 REF. (.165) 4.2 (.165) REF. 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 (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Specications are subject to change without notice. Users should verify actual device performance in their specic MM 1.2 REF. DIMENSIONS: (.047) (INCHES) 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 *RoHS COMPLIANT & AEC APPROVED Temperature (C) SRF0504 Series - Line Filter SRN4012TA Series - Semi-shielded Power Inductors Inductance vs. Current SRN4012TA-R47M SRN4012TA-1R5M SRN4012TA-1R0M 0.8 2.0 2.5 2.0 0.6 1.5 1.5 0.4 1.0 1.0 0.2 0.5 0.5 0 0 0 0 123 4 5 0 0 12 3 4 12 3 4 5 DC Current(A) DC Current(A) DC Current(A) SRN4012TA-2R2M SRN4012TA-3R3M SRN4012TA-4R7M 6.0 4 8 3 4.5 6 2 4 3.0 1 2 1.5 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) SRN4012TA-100M SRN4012TA-5R6M SRN4012TA-6R8M 20 8 12 15 6 9 6 10 4 5 2 3 0 0 0 0 0.4 0.8 1.2 1.6 0 0.3 0.6 0.9 1.2 0 0.4 0.8 1.2 1.6 DC Current(A) DC Current(A) DC Current(A) SRN4012TA-150M SRN4012TA-220M 25 40 20 30 15 20 10 10 5 0 0 0 0 0.2 0.4 0.6 0.8 1.0 0.2 0.4 0.6 0.8 1.0 DC Current(A) 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 in this document are subject to specic legal disclaimers 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) Inductance (H)