Features Shielded construction Carbonyl powder core High saturation current Inductance range: 0.20 to 22 H AEC-Q200 compliant RoHS compliant* and halogen free** SRP1245A Series - Shielded Power Inductors Electrical Specifications 25 C General Specifications Test Voltage ....................................1.0 V Inductance 100 KHz Test Frequency ......................... 100 KHz Q (Min.) SRF DCR DCR Bourns Irms Isat Terminal / 1 V Operating Temperature 100 KHz (MHz) (m) (m) Part Number (A) Type (A) / 1 V Typ. Typ. Max...............................-55 C to +150 C L Tol. (H) (%) (Temperature rise included) Storage Temperature .. -55 C to +150 C SRP1245A-R20M 0.20 20 10 130 0.45 0.55 52 110 Rated Current SRP1245A-R22M 0.22 20 10 120 0.5 0.7 52 110 ............ Inductance drops 20 % at Isat SRP1245A-R33M 0.33 20 15 90 0.7 0.9 42 80 Temperature Rise .....40 C at rated Irms SRP1245A-R36M 0.36 20 15 80 0.75 0.95 42 75 Non- Moisture Sensitivity Level ..................... 1 SRP1245A-R39M 0.39 20 15 78 0.78 0.95 42 70 Lead ESD Classification (HBM).................N/A Frame SRP1245A-R47M 0.47 20 20 70 0.86 1.1 38 65 SRP1245A-R50M 0.50 20 20 65 0.9 1.3 37 60 1 Circuit design, component, PCB trace SRP1245A-R56M 0.56 20 20 60 1 1.5 36 55 size and thickness, airflow and other SRP1245A-R68M 0.68 20 20 50 1.4 1.7 34 54 cooling provisions all affect the part SRP1245A-R82M 0.82 20 20 45 1.7 2.1 31 52 temperature. Part temperature should be SRP1245A-1R0M 1.0 20 20 40 1.85 2.5 29 50 verified in the end application. SRP1245A-1R2M 1.2 20 20 35 2.5 3.0 28 49 SRP1245A-1R5M 1.5 20 20 30 2.8 3.3 27 48 SRP1245A-1R8M 1.8 20 20 27 4 4.9 21 40 Materials SRP1245A-2R2M 2.2 20 20 24 4.2 5.5 20 32 Core ............................. Carbonyl powder SRP1245A-2R7M 2.7 20 20 23 4.7 6.7 17 32 Wire ............................Enameled copper SRP1245A-3R3M 3.3 20 20 22 6.8 9.2 15 32 Lead Terminal Finish ...................................Sn Frame SRP1245A-4R7M 4.7 20 20 15 11.4 15.0 12 27 Packaging ....... 500 pcs. per 13-inch reel SRP1245A-5R6M 5.6 20 20 13 12.3 16.5 11.5 22 SRP1245A-6R0M 6.0 20 20 12 13 16.5 11.5 21.5 How to Order SRP1245A-6R8M 6.8 20 20 12 14.5 18.5 11 21 SRP1245A-8R2M 8.2 20 20 11 16.8 22.5 9.5 18 SRP1245A - 100M SRP1245A-100M 10 20 20 10 21.4 25.5 9 16 Model SRP1245A-180M 18 20 20 7 40 45.0 7.5 11 SRP1245A-220M 22 20 20 6 50 58 6.5 10 Value Code (see table) Product Dimensions Recommended Layout 14.2 Non-Lead Frame Terminal Lead Frame Terminal (.559) 13.5 0.5 13.5 0.5 (.531 .020) (.531 .020) 5.0 (.197) R20 3R3 8.0 (.315) 1510 1510 Please consult Bourns Model SRP-A Series Visual Inspection Guide for detailed 12.5 0.3 12.5 0.3 4.8 0.2 4.8 0.2 construction, processing and testing (.492 .012) (.492 .012) (.189 + .008) (.189 + .008) information. 2.75 0.35 2.75 0.35 (.108 .014) (.108 .014) 2.3 0.3 2.3 0.3 2.0 2.0 (.091 .012) (.091 .012) (.079) (.079) REF. REF. GRADUATED GRADUATED LINE LINE WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov 4.7 0.3 4.7 0.3 MM * RoHS Directive 2015/863, Mar 31, 2015 and Annex. (.185 .012) (.185 .012) DIMENSIONS: (INCHES) ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) Specications are subject to change without notice. Users should verify actual device performance in their specic the Chlorine (Cl) content is 900 ppm or less and (c) applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the the total Bromine (Br) and Chlorine (Cl) content is last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 1500 ppm or less. R47 1318 *RoHS and AEC-Q200 COMPLIANT SRP1245A Series - Shielded Power Inductors L vs. I Charts SRP1245A-R20M SRP1245A-R22M SRP1245A-R33M 0.4 0.35 150 0.8 150 150 0.28 120 0.32 120 120 0.6 0.21 90 90 0.24 90 0.4 0.14 60 60 0.16 60 0.2 0.07 30 30 0.08 30 0 0 0 0 0 0 0 22 44 66 88 110 0 20 40 60 80 022 44 66 88 110 DC Current (A) DC Current (A) DC Current (A) SRP1245A-R39M SRP1245A-R47M SRP1245A-R36M 0.60 0.7 100 1.0 120 150 0.56 80 0.8 120 0.45 90 90 0.42 60 0.6 0.30 60 60 0.4 0.28 40 0.15 30 30 0.14 20 0.2 0 0 0 0 0 0 015 30 45 60 75 0 13 26 39 52 65 0 13 26 39 52 65 DC Current (A) DC Current (A) DC Current (A) SRP1245A-R50M SRP1245A-R56M SRP1245A-R68M 0.8 1.0 100 1.5 110 150 88 0.8 80 1.2 120 0.6 66 0.6 60 0.9 90 0.4 44 0.4 40 0.6 60 0.2 22 0.2 20 0.3 30 0 0 0 0 0 0 013 26 39 52 65 011 22 33 44 55 09 18 27 36 45 54 DC Current (A) DC Current (A) DC Current (A) SRP1245A-R82M SRP1245A-1R0M SRP1245A-1R2M 1.20 120 2.0 150 1.5 50 96 0.96 1.6 1.2 120 40 0.72 72 1.2 90 0.9 30 48 0.48 0.8 0.6 60 20 0.24 24 0.4 30 0.3 10 0 0 0 0 0 0 10.4 0 20.8 31.2 41.6 52 010 20 30 40 50 9.8 0 19.6929.4 39.2 4 DC Current (A) DC Current (A) DC Current (A) SRP1245A-1R5M SRP1245A-1R8M SRP1245A-2R2M 3.0 120 4 4 120 150 2.4 120 3 90 3 90 1.8 90 2 60 60 2 1.2 60 1 30 30 1 0.6 30 0 0 0 0 0 0 08 16 24 32 0 6 12 18 24 30 36 42 010 20 30 40 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) Inductance ( H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance ( H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance ( H) Inductance ( H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)