SRP1270-3R3M Bourns

This series is currently available, Features but not recommended for new Shielded construction designs. The newer SRP1265A Unit height of 7.0 mm max. series is recommended. Current up to 41 A RoHS compliant* SRP1270 Series - Shielded Power Inductors Test Voltage ....................................1.0 V Inductance I rms I sat DCR SRF Test Frequency ......................... 100 KHz Bourns Part No. L (H) 20 % (A) (A) (m) Max. (MHz) Typ. 230 C 50 sec. max. SRP1270-R32M 0.32 46 65 0.9 95 Operating Temperature SRP1270-R47M 0.47 41 65 1.2 85 ................................-40 C to +125 C (Temperature rise included) SRP1270-R68M 0.68 35 60 1.6 65 Storage Temperature (On Board) SRP1270-1R0M 1.0 32 50 2.1 45 ................................-40 C to +125 C SRP1270-1R5M 1.5 27 48 2.6 31 Resistance to Soldering Heat SRP1270-1R8M 1.8 24 41 3.2 31 .............................+260 C for 10 sec. Moisture Sensitivity Level .....................1 SRP1270-2R2M 2.2 22 40 4.2 25 .................N/A SRP1270-3R3M 3.3 18 35 6.6 20 SRP1270-4R7M 4.7 15 30 11.2 15 Materials SRP1270-5R6M 5.6 14 26.5 10.0 13 Core .................................................. Iron SRP1270-6R8M 6.8 12 21 14.0 12 Wire ............................Enameled copper Adhesive .............................. Epoxy resin SRP1270-8R2M 8.2 11 17 15.5 11 Terminal ....................................Ag/Ni/Sn SRP1270-100M 10.0 10 16 16.8 10 Rated Current .....Ind. drops 20 % at Isat Temperature Rise .....40 C at rated Irms Packaging ....... 400 pcs. per 13-inch reel 275 Product Dimensions 260 C peak <1>Maximum of 10 seconds <1> 255 C between +255 C and +260 C MAX. 225 7.0 220 C 13.7 MAX. (.276) (0.539) 190C Ramp Down 60 seconds 6.5 5 C/second maximum 175 12.9 MAX. (.256) (0.508) 150 C MAX. 125 120-150 seconds 13.7 10 seconds minimum (0.539) MAX. 100 75 Ramp Up 1725 4 C/second maximum 25 0 50 100 150 200 250300 Time (Seconds) 12.9 MAX. (0.508) 3.0 0.5 Electrical Schematic (0.118 0.020) 2.5 0.5 (0.098 0.020) Recommended Layout 4.5 15.0 (.177) (0.591) WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 7.0 Specications are subject to change without notice. Users should verify actual device performance in their specic (.276) 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 MM DIMENSIONS: (INCHES) 100 1725 *RoHS COMPLIANT Temperature (C)Applications Input/output of DC/DC converters Power supplies for: Portable communications equipment Camcorders LCD TVs Car audio systems SRP1270 Series - Shielded Power Inductors L vs. I Charts SRP1270-R32M SRP1270-R47M SRP1270-R68M 0.5 100 0.6 100 1.0 100 90 90 0.5 0.4 80 80 0.8 80 70 0.4 70 60 0.3 60 0.6 60 0.3 50 50 0.2 40 40 0.4 40 0.2 30 30 20 20 0.1 0.1 0.2 20 10 10 0 0 0 0 0 0 013 26 39 52 65 013 26 39 52 65 010 20 30 40 50 60 DC Current (A) DC Current (A) DC Current (A) SRP1270-1R0M SRP1270-1R5M SRP1270-1R8M 1.2 100 2.5 100 2.5 100 90 90 90 1.0 80 2.0 80 2.0 80 70 70 70 0.8 60 60 1.5 1.5 60 0.6 50 50 50 40 1.0 40 1.0 40 0.4 30 30 30 20 0.5 0.5 20 20 0.2 10 10 10 0 0 0 0 0 0 010 20 30 40 50 0 8 16 24 32 40 48 0 8.2 16.4 24.6 32.8 41 DC Current (A) DC Current (A) DC Current (A) SRP1270-2R2M SRP1270-3R3M SRP1270-4R7M 2.5 100 4.0 100 6.0 100 90 90 90 5.0 2.0 80 3.2 80 80 70 70 70 4.0 1.5 60 60 2.4 60 3.0 50 50 50 1.0 1.6 40 40 40 2.0 30 30 30 0.8 20 20 0.5 20 1.0 10 10 10 0 0 0 0 0 0 0 7 14 21 28 35 0 6 12 18 24 30 010 20 30 40 DC Current (A) DC Current (A) DC Current (A) SRP1270-5R6M SRP1270-6R8M SRP1270-8R2M 9.0 100 12.0 100 14.0 100 90 11.2 7.2 80 80 80 9.0 70 8.4 60 5.4 60 60 6.0 50 5.6 40 3.6 40 40 2.8 20 30 3.0 1.8 20 20 0 0 10 0 3.2 6.469.6 12.8 1 0 0 0 0 DC Current (A) 0 5.3 10.6 15.9 21.2 26.5 0 4.2 8.4 12.6 16.8 21 DC Current (A) DC Current (A) SRP1270-100M 15.0 100 90 12.0 80 70 9.0 60 50 6.0 40 30 3.0 20 10 0 0 048612 1 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 disclaimers as set forth on the last page of this document, and at www.bourns.com/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) 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)