Features Shielded construction Metal alloy powder core High saturation current Low buzz noise Inductance range: 0.15 to 22 H RoHS compliant* and halogen free** SRP1245C Series - Shielded Power Inductors Electrical Specifications 25 C General Specifications Operating Temperature Inductance 100 kHz ................................-40 C to +125 C Irms SRF DCR DCR Isat Bourns Q (Min.) Terminal / 1 V (Temperature rise included) (MHz) (m) (m) (A) (A) Part Number 100 kHz Type Typ. Typ. Max. Storage Temperature .. -40 C to +125 C L Tol. Typ. Typ. (H) (%) Rated Current ............ Inductance drops 30 % at Isat SRP1245C-R15Y 0.15 30 15 147 0.36 0.41 55 100 1 Temperature Rise ... 40 C at rated Irms SRP1245C-R22M 0.22 20 15 120 0.5 0.55 48 95 non- Moisture Sensitivity Level .....................1 SRP1245C-R36M 0.36 20 20 100 0.75 0.83 41 80 leadframe ESD Classification (HBM).................N/A SRP1245C-R47M 0.47 20 20 70 0.96 1.15 38 65 SRP1245C-R68M 0.68 20 20 58 1.4 1.6 32 54 1 Circuit design, component, PCB trace SRP1245C-1R0M 1.0 20 20 42 2 2.4 30 50 size and thickness, airflow and other SRP1245C-1R5M 1.5 20 20 32 3 3.5 27 48 cooling provisions all can affect the part SRP1245C-2R2M 2.2 20 20 27 4.3 5 25 40 temperature. Part temperature should be SRP1245C-3R3M 3.3 20 20 25 7.3 8.4 20 32 verified in the end application. SRP1245C-4R7M 4.7 20 20 20 11.4 15 14 27 leadframe SRP1245C-6R8M 6.8 20 20 16 14.5 16.7 12 23 Materials SRP1245C-8R2M 8.2 20 20 13 18.6 21.5 11.5 20 SRP1245C-100M 10 20 20 10 21.4 25.5 11 17 Core ..........................Metal alloy powder SRP1245C-150M 15 20 20 8 32.6 38 9 13 Wire ............................Enameled copper SRP1245C-220M 22 20 20 6 50 58 7.5 11 Terminal Finish ...................................Sn Packaging ....... 500 pcs. per 13-inch reel Product Dimensions How to Order Non-Lead Frame Terminal SRP1245C - 100M 13.5 0.5 (.531 .020) Model 12.6 0.3 4.7 0.3 2.6 0.4 (.496 .012) (.185 .012) (.102 .016) Value Code (see table) Recommended Layout R47 14.5 (.571) YYWWH 5.0 (.197) 12.6 0.2 E MM (.496 .008) DIMENSIONS: 8.0 (INCHES) (.315) Lead Frame Terminal 13.5 0.5 Please consult Bourns Model SRP-A (.531 .020) Series Visual Inspection Guide for detailed 12.6 0.3 4.7 0.3 2.6 0.4 construction, processing and testing (.496 .012) (.185 .012) (.102 .016) information. 100 YYWWH * 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 ppm or less (b) 12.6 0.2 E the Chlorine (Cl) content is 900 ppm or less and (c) (.496 .008) the total Bromine (Br) and Chlorine (Cl) content is 4.0 0.3 E: SRP1245C-R47M through -R68M: 1500 ppm or less. (.157 .012) Specications are subject to change without notice. E: SRP1245C-R15Y through -R36M 4.7 0.3 Users should verify actual device performance in their and SRP1245C-1R0M through -2R2M: (.185 .012) 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 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov www.bourns.com/docs/legal/disclaimer.pdf. R47 1933H RoHS COMPLIANT* & HALOGEN FREE** SRP1245C Series - Shielded Power Inductors L vs. I Charts SRP1245C-R15Y SRP1245C-R22M SRP1245C-R36M 0.25 0.30 0.45 100 100 100 0.20 0.24 0.36 80 80 80 0.15 0.18 0.27 60 60 60 0.10 0.12 0.18 40 40 40 0.05 0.06 0.09 20 20 20 0 0 0 0 0 0 0 23 46 69 92 115 0 20 40 60 80 100 0 18 36 54 72 90 DC Current (A) DC Current (A) DC Current (A) SRP1245C-R47M SRP1245C-R68M SRP1245C-1R0M 0.65 1.0 1.5 100 100 100 0.52 0.8 1.2 80 80 80 0.39 0.6 0.9 60 60 60 0.26 0.4 0.6 40 40 40 0.13 0.2 0.3 20 20 20 0 0 0 0 0 0 0 14 28 42 56 70 0 12 24 36 48 60 0 11 22 33 44 55 DC Current (A) DC Current (A) DC Current (A) SRP1245C-1R5M SRP1245C-2R2M SRP1245C-3R3M 2.0 3.0 5.0 100 100 100 1.6 2.5 4.0 80 80 80 1.2 2.0 3.0 60 60 60 0.8 1.5 2.0 40 40 40 0.4 0.5 1.0 20 20 20 0 0 0 0 0 0 0 10 20 30 40 50 0 9 18 27 36 45 0 7 14 21 28 35 DC Current (A) DC Current (A) DC Current (A) SRP1245C-4R7M SRP1245C-6R8M SRP1245C-8R2M 6.5 9.0 11.0 100 100 100 5.2 7.2 8.8 80 80 80 3.9 5.4 6.6 60 60 60 2.6 3.6 4.4 40 40 40 1.3 1.8 2.2 20 20 20 0 0 0 0 0 0 0 6 12 18 24 30 0 5 10 15 20 25 0 5 10 15 20 25 DC Current (A) 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 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) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance ( H) Inductance ( H) Inductance ( H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance ( H) Inductance ( H) Inductance ( H) Inductance ( H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)