R47 Features n Shielded construction n Metal alloy powder core n High saturation current n Low buzz noise n Flat wire n RoHS compliant* and halogen free** SRP0412 Series - Shielded Power Inductors Electrical Specifications 25 C Additional Information Click these links for more information: Q Inductance SRF DCR DCR Irms Isat Bourns Q Test 100 kHz / 1 V (MHz) (mW) (mW) (A) (A) Part Number Typ. Freq, Typ. Typ. Max. Typ. Typ. L (H) Tol. (%) (MHz) SRP0412-R47K 0.47 10 20 25.2 90 13.2 15.3 7.6 13.5 PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT LIBRARY SRP0412-R68K 0.68 10 20 25.2 74 21.3 25.0 5.6 10.5 SRP0412-1R0K 1.00 10 45 7.96 55 25.2 29.5 5.3 8.2 SRP0412-1R5K 1.50 10 26 7.96 42 36.9 43.3 4.8 5.8 General Specifications SRP0412-2R2K 2.20 10 37 7.96 33 49.0 57.5 4.1 5.2 Operating Temperature SRP0412-3R3K 3.30 10 38 7.96 28 90.0 105.0 2.8 4.2 ................................-40 C to +125 C SRP0412-4R7K 4.70 10 38 7.96 26 109.0 128.0 2.6 3.7 (Temperature rise included) SRP0412-6R8K 6.80 10 26 7.96 20 191.0 223.0 1.9 2.8 Storage Temperature (Component) SRP0412-100K 10.0 10 20 2.52 15 213.0 250.0 1.7 1.9 ................................-40 C to +125 C Rated Current ............ Inductance drops 30 % at Isat Product Dimensions Recommended Layout 1 Temperature Rise ... 40 C at rated Irms 4.10 0.2 2.00 Rated Voltage ..................................50 V REF. (.161 .008) (.079) Moisture Sensitivity Level .....................1 0.315 2.00 ESD Classification (HBM).................N/A (.012) 2.85 (.079) REF. (.112) Note 1: Circuit design, component, PCB trace size REF. and thickness, airflow and other cooling provisions all affect the part temperature. Part temperature should be verified in the end application. 4.80 REF. (.189) Materials 4.40 0.2 MM DIMENSIONS: (.173 .008) (INCHES) Core ..........................Metal alloy powder Wire ............................Enameled copper Electrical Schematic Terminal Finish ...................................Sn Packaging ..... 4000 pcs. per 13-inch reel 4.40 MAX. Please consult Bourns Model SRP-A (.173) Series Visual Inspection Guide for detailed construction, processing and testing information. 1.20 MAX. (.047) How to Order SRP0412 - 4R7K Model Value Code (see table) 1.10 0.1 (.043 .004) * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900or less ppm (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. WARNING Specifications are subject to change without notice. Users should verify actual device performance in their specific Cancer and Reproductive Harm applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 4R7 RoHS COMPLIANT* & HALOGEN FREE** *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT* SRP0412 Series - Shielded Power Inductors L vs. I Charts SRP0412-R47K SRP0412-R47K 120% 50 100% 40 80% 30 60% 20 40% 10 20% 0% 0 0 3.0 6.0 9.0 12.0 15.0 0 2.0 4.0 6.0 8.0 IDC (A) IDC (A) SRP0412-1R0K SRP0412-1R0K 120% 50 100% 40 80% 30 60% 20 40% 10 20% 0% 0 0 2.0 4.0 6.0 8.0 10.0 0 1.2 2.4 3.6 4.8 6.0 IDC (A) IDC (A) SRP0412-2R2K SRP0412-2R2K 120% 50 100% 40 80% 30 60% 20 40% 10 20% 0% 0 0 1.2 2.4 3.6 4.8 6.0 0 1.0 2.0 3.0 4.0 5.0 IDC (A) IDC (A) SRP0412-100K SRP0412-100K 120% 50 100% 40 80% 30 60% 20 40% 10 20% 0% 0 0 0.5 1.0 1.5 2.0 2.5 0 0.4 0.8 1.2 1.6 2.0 IDC (A) IDC (A) 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. L/LOA L/LOA L/LOA L/LOA Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)