Features Shielded construction Carbonyl powder core High saturation current Inductance range: 0.45 to 100 H AEC-Q200 compliant RoHS compliant* and halogen free** SRP1770TA Series - Shielded Power Inductors Electrical Specifications 25 C General Specifications Operating Temperature Inductance 100 KHz ................................-55 C to +150 C / 1 V Q (Min.) SRF DCR DCR (Temperature rise included) Irms Bourns Tol. 100 KHz (MHz) (m) (m) Isat1 Isat2 Terminal Storage Temperature Part Number L (H) (%) / 1 V Typ. Typ. Max. (A) (A) (A) Type ................................-55 C to +150 C SRP1770TA-R45M 0.45 20 20 56 0.8 0.96 62 85 125 Rated Current SRP1770TA-1R0M 1 20 20 35 1.6 2 52 60 70 ......... Inductance drops 20 % at Isat1, SRP1770TA-1R5M 1.5 20 20 30 2 2.5 47 52 65 30 % at Isat2 SRP1770TA-2R2M 2.2 20 20 22 2.4 2.7 43.5 47 62 Temperature Rise .....40 C at rated Irms SRP1770TA-3R3M 3.3 20 20 17 3.5 3.9 28 45 54 Moisture Sensitivity Level ..................... 1 SRP1770TA-4R7M 4.7 20 20 15 4.8 5.5 25 41 50 ESD Classification (HBM).................N/A SRP1770TA-5R6M 5.6 20 20 12 5.8 7.05 21 40 45 SRP1770TA-6R8M 6.8 20 20 11 8.4 9.2 19 32 39 1 Circuit design, component, PCB trace SRP1770TA-8R2M 8.2 20 20 10 9.6 10.8 18 25 31 Lead size and thickness, airflow and other Frame SRP1770TA-100M 10 20 20 8 11.8 13 16.5 24 29 cooling provisions all affect the part SRP1770TA-150M 15 20 20 7 17.8 20.5 12.5 23 27 temperature. Part temperature should be SRP1770TA-220M 22 20 20 5 25.1 26.5 12 18 23 verified in the end application. SRP1770TA-330M 33 20 20 4 38 44 10.7 15 20 Materials SRP1770TA-390M 39 20 20 4 40 48 9.2 11 18 SRP1770TA-470M 47 20 20 3 48 55 8.7 9.5 16 Core ............................. Carbonyl powder SRP1770TA-560M 56 20 20 3 54 62 7.8 9 15 Wire ............................Enameled copper SRP1770TA-680M 68 20 20 2 68 80 7 8 13 Terminal Finish ...................................Sn SRP1770TA-101M 100 20 20 2 102 118 5.3 6.5 12 Packaging ....... 200 pcs. per 13-inch reel Soldering Profile Product Dimensions Preheating Soldering Natural Cooling Lead Frame Terminal T (260 C / 10 Sec. Max.) P 17.6 0.4 t (245 C, 20~40 Sec.) (.693 .016) p 16.9 0.3 (.666 .012) 217 C 200 C 60~150 Sec. 150C 60~180 101 Sec. 1510 480 Sec. Max. 25 0 ~+ 0.25 Time (Seconds) 16.9 0.3 (0 ~+ .010) 6.7 0.3 (.666 .012) Reflow Times: 3 Times Max. (.264 .012) 2.1 0.3 How to Order Recommended Layout (.083 .012) 2.3 0.3 SRP1770TA - 220 M 18.5 (.091 .012) (.728) Model Value Code (see table) Tolerance Code MM 11.9 0.3 12.2 12.5 DIMENSIONS: (.469 .012) (INCHES) (.480) (.492) * 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) 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. WARNING Users should verify actual device performance in their specic applications. Cancer and Reproductive Harm The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of www.P65Warnings.ca.gov this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT, **HALOGEN FREE & AEC-Q200 COMPLIANT Temperature (C) SRP1770TA Series - Shielded Power Inductors L vs. I Charts SRP1770TA-1R0M SRP1770TA-1R5M SRP1770TA-R45M 1.20 2.00 0.60 100 100 100 0.96 0.48 80 80 1.50 80 0.36 60 0.72 60 1.00 60 0.24 0.48 40 40 0.50 20 0.12 20 0.24 20 0 0 0 0 0 0 0 30 60 90 120 150 016432 48 6 80 015030 45 6 75 DC Current (A) DC Current (A) DC Current (A) SRP1770TA-2R2M SRP1770TA-3R3M SRP1770TA-4R7M 3.0 4.0 6.0 100 100 100 2.4 80 3.2 4.8 80 80 1.8 60 2.4 60 3.6 60 1.2 40 1.6 40 2.4 40 0.6 20 0.8 20 1.2 20 0 0 0 0 0 0 014628 42 5 70 012824 36 4 60 010020 30 4 50 DC Current (A) DC Current (A) DC Current (A) SRP1770TA-5R6M SRP1770TA-6R8M SRP1770TA-8R2M 7.0 100 8.0 10 100 100 5.6 80 6.4 80 8 80 4.2 60 4.8 60 6 60 2.8 40 3.2 4 40 40 1.4 20 1.6 2 20 20 0 0 0 0 0 0 010020 30 4 50 010020 30 4 50 07 14 21 28 35 DC Current (A) DC Current (A) DC Current (A) SRP1770TA-100M SRP1770TA-150M SRP1770TA-220M 12.5 20 30 100 100 100 10.0 80 16 80 24 80 7.5 60 12 60 18 60 5.0 40 8 12 40 40 2.5 20 4 6 20 20 0 0 0 0 0 0 07 14 21 28 35 06 12 18 24 30 05 10 15 20 25 DC Current (A) DC Current (A) DC Current (A) SRP1770TA-330M SRP1770TA-390M SRP1770TA-470M 35 60 100 50 100 100 28 80 48 40 80 80 21 60 30 60 36 60 14 40 24 20 40 40 7 20 12 20 10 20 0 0 0 0 0 0 05 10 15 20 25 04 812 16 20 0 3.5 7.0 10.5 14.0 17.5 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)