SRP1270-1R8M 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 Electrical Speci cations General Speci cations 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. Re ow Soldering .. 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 ................................-55 C to +125 C (Temperature rise included) SRP1270-R68M 0.68 35 60 1.6 65 Storage Temperature SRP1270-1R0M 1.0 32 50 2.1 45 ................................-55 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. SRP1270-2R2M 2.2 22 40 4.2 25 Materials SRP1270-3R3M 3.3 18 35 6.6 20 Core .................................................. Iron SRP1270-4R7M 4.7 15 30 11.2 15 Wire ............................Enameled copper SRP1270-5R6M 5.6 14 26.5 10.0 13 Adhesive .............................. Epoxy resin SRP1270-6R8M 6.8 12 21 14.0 12 Terminal ....................................Ag/Ni/Sn Rated Current .....Ind. drops 20 % at Isat SRP1270-8R2M 8.2 11 17 15.5 11 Temperature Rise .....40 C at rated Irms SRP1270-100M 10.0 10 16 16.8 10 Packaging ....... 400 pcs. per 13-inch reel Soldering Pro le Product Dimensions 275 260 C peak MAX. <1>Maximum of 10 seconds 7.0 <1> 255 C 13.7 between +255 C and +260 C MAX. (.276) 225 (0.539) 220 C 6.5 12.9 190C Ramp Down MAX. (.256) 60 seconds (0.508) 5 C/second maximum 175 MAX. 150 C 13.7 125 (0.539) 120-150 seconds MAX. 10 seconds minimum 1R2 75 Ramp Up 4 C/second maximum 25 0 50 100 150 200 250 300 12.9 MAX. (0.508) Time (Seconds) 3.0 0.5 (0.118 0.020) Electrical Schematic 2.5 0.5 (0.098 0.020) Recommended Layout 4.5 15.0 (.177) (0.591) 7.0 (.276) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Speci cations are subject to change without notice. MM The device characteristics and parameters in this data sheet can and do vary in different applications and actual device DIMENSIONS: (INCHES) performance may vary over time. Users should verify actual device performance in their speci c applications. *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 6.4 9.6 12.8 16 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 04 8 12 16 DC Current (A) Speci cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their speci c applications. 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)