Features AUTOMOTIVE n Shielded construction GRADE n Metal alloy powder core n High saturation current n Low buzz noise n AEC-Q200 compliant n RoHS compliant* and halogen free** SRP7028AA Series - Shielded Power Inductors Electrical Specifications 25 C Additional Information Click these links for more information: Inductance 100 KHz Irms Isat Q (Typ.) SRF DCR DCR Bourns / 1 V (A) 100 KHz (MHz) (mW) (mW) (A) Part Number / 1 V Typ. Typ. Max. Typ. L Tol. Typ. (H) (%) PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT SRP7028AA-R15Y 0.15 30 8 160 1.7 2.1 30 40 LIBRARY SRP7028AA-R22M 0.22 20 8 130 2 2.5 23 34 General Specifications SRP7028AA-R33M 0.33 20 8 95 2.8 3.4 21 25 SRP7028AA-R36M 0.36 20 8 90 3.3 3.9 20 24 Operating Temperature ................................-55 C to +155 C SRP7028AA-R47M 0.47 20 8 62 3.4 4 18 20 (Temperature rise included) SRP7028AA-R56M 0.56 20 10 57 3.9 4.5 16.5 18 Storage Temperature (Component) SRP7028AA-R68M 0.68 20 10 52 4.7 5.3 16 17 ................................-55 C to +155 C SRP7028AA-R82M 0.82 20 10 50 5.4 6 14 16 Rated Current SRP7028AA-1R0M 1.00 20 10 42 6.7 7.4 12 15 ............ Inductance drops 30 % at Isat 1 SRP7028AA-1R2M 1.20 20 10 40 7.7 9.5 10 14 Temperature Rise ... 40 C at rated Irms Moisture Sensitivity Level .....................1 SRP7028AA-1R5M 1.50 20 10 38 10.2 12.1 10 14 ESD Classification (HBM).................N/A SRP7028AA-2R2M 2.20 20 10 26 13.5 15 8 10 SRP7028AA-2R7M 2.70 20 10 25 17.3 20 7.2 9.8 1 Circuit design, component, PCB trace SRP7028AA-3R3M 3.30 20 10 22 19 22 6.5 9.5 size and thickness, airflow and other SRP7028AA-4R7M 4.70 20 10 20 28 33 5.5 6.5 cooling provisions all affect the part temperature. Part temperature should be SRP7028AA-5R6M 5.60 20 10 17 39 42 5.5 6 verified in the end application. SRP7028AA-6R8M 6.80 20 10 16 43 50 4.5 6 SRP7028AA-8R2M 8.20 20 10 15 54 60 4.5 6 Materials SRP7028AA-100M 10.0 20 10 14 62 68 4 5.5 Core ..........................Metal alloy powder SRP7028AA-150M 15.0 20 10 10 110 140 3 4.5 Wire ............................Enameled copper SRP7028AA-220M 22.0 20 10 9 150 190 2.5 3 Terminal Finish ...................................Sn Packaging .... 1,000 pcs. per 13-inch reel Product Dimensions Please consult Bourns Model SRP-A 7.1 0.3 1.8 0.3 Series Visual Inspection Guide for detailed (.280 .012) (.071 .012) construction, processing and testing 6.4 0.3 0 ~ 0.15 1.6 0.3 information. (.252 .012) (0 ~ .006) (.063 .012) Recommended Layout 8.0 1R0 6.6 0.2 (.315) (.260 .008) 2026 3.4 (.134) 2.8 0.2 3.0 0.2 (.110 .008) (.118 .008) 3.7 (.146) MM DIMENSIONS: (INCHES) MM DIMENSIONS: (INCHES) 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 ppm or less (b) Specifications are subject to change without notice. Users should verify actual device performance in their specific the Chlorine (Cl) content is 900 ppm or less and (c) applications. The products described herein and this document are subject to specific 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. *RoHS COMPLIANT, **HALOGEN FREE & AEC-Q200 COMPLIANT SRP7028AA Series - Shielded Power Inductors L vs. I Charts SRP7028AA-R15Y SRP7028AA-R22M SRP7028AA-R33M 0.25 70 0.30 80 0.5 65 0.20 56 0.24 64 0.4 52 0.15 42 0.18 48 0.3 39 0.10 28 0.12 32 0.2 26 0.05 14 0.06 16 0.1 13 0 0 0 0 0 0 0 9 18 27 36 45 0 8 16 24 32 40 0 6 12 18 24 30 DC Current (A) DC Current (A) DC Current (A) SRP7028AA-R36M SRP7028AA-R47M SRP7028AA-R56M 0.60 65 0.70 70 0.80 65 0.48 52 0.56 56 0.64 52 0.36 39 0.42 42 0.48 39 0.24 26 0.28 28 0.32 26 0.12 13 0.14 14 0.16 13 0 0 0 0 0 0 0 5 10 15 20 25 30 0 5 10 15 20 25 0 4.6 9.2 13.8 18.4 23 DC Current (A) DC Current (A) DC Current (A) SRP7028AA-R68M SRP7028AA-R82M SRP7028AA-1R0M 1.0 60 1.20 80 1.5 70 0.8 48 0.96 64 1.2 56 0.6 36 0.72 48 0.9 42 0.4 24 0.48 32 0.6 28 0.2 12 0.24 16 0.3 14 0 0 0 0 0 0 0 4.4 8.8 13.2 17.6 22 0 4 8 12 16 20 0 4 8 12 16 20 DC Current (A) DC Current (A) DC Current (A) SRP7028AA-1R2M SRP7028AA-1R5M SRP7028AA-2R2M 1.80 80 2.5 80 3.5 80 1.44 64 2.0 64 2.8 64 1.08 48 1.5 48 2.1 48 0.72 32 1.0 32 1.4 32 0.36 16 0.5 16 0.7 16 0 0 0 0 0 0 0 3.6 7.2 10.8 14.4 18 0 3.6 7.2 10.8 14.4 18 0 3 6 9 12 15 DC Current (A) DC Current (A) DC Current (A) SRP7028AA-2R7M SRP7028AA-3R3M SRP7028AA-4R7M 4.0 70 5 90 7.0 80 3.2 56 4 72 5.6 64 2.4 42 3 54 4.2 48 1.6 28 2 36 2.8 32 0.8 14 1 18 1.4 16 0 0 0 0 0 0 0 2.4 4.8 7.2 9.6 12 0 3 6 9 12 15 0 2 4 6 8 10 DC Current (A) DC Current (A) DC Current (A) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. SRP7028AA-5R6M SRP7028AA-6R8M SRP7028AA-8R2M 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. 9.0 80 10 90 14.0 90 7.2 64 8 72 11.2 72 5.4 48 6 54 8.4 54 3.6 32 4 36 5.6 36 1.8 16 2 18 2.8 18 0 0 0 0 0 0 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 DC Current (A) DC Current (A) DC Current (A) SRP7028AA-100M SRP7028AA-150M SRP7028AA-220M 15 90 25 90 40 80 12 72 20 72 32 64 9 54 15 54 24 48 6 36 10 36 16 32 3 18 5 18 8 16 0 0 0 0 0 0 0 1.8 3.6 5.4 7.2 9 0 1.6 3.2 4.8 6.4 8 0 1 2 3 4 5 DC Current (A) DC Current (A) DC Current (A) Inductance (H) Inductance (H) 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) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) 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) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) 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) Temperature Rise (C) Temperature Rise (C)