SRP1250-1R8M Bourns

This series is currently available, Features but not recommended for new n Shielded construction designs. The newer SRP1245A series is recommended. n Unit height of 5.9 mm n Inductance range: 0.22 to 10 H n Current up to 45 A n RoHS compliant* SRP1250 Series - Shielded Power Inductors Electrical Specifications General Specifications Test Voltage .......................................1 V Inductance I rms I sat DCR Test Frequency ......................... 100 KHz Bourns Part No. L (H) 20 % (A) (A) (m) Max. Reflow Soldering .. 230 C 50 sec. max. SRP1250-R22M 0.22 45 80 1.0 Operating Temperature SRP1250-R36M 0.36 41 75 1.1 ................................-55 C to +150 C (Temperature rise included) SRP1250-R47M 0.47 38 65 1.3 Storage Temperature SRP1250-R50M 0.50 36 55 1.5 ................................-55 C to +150 C SRP1250-R56M 0.56 36 55 1.5 Resistance to Soldering Heat SRP1250-R68M 0.68 34 54 1.7 .............................+260 C for 10 sec. SRP1250-R82M 0.82 31 53 2.3 Materials SRP1250-1R0M 1.00 29 50 2.5 Core ..................................................Iron SRP1250-1R2M 1.20 27 49 3.3 Wire ............................Enameled copper SRP1250-1R5M 1.50 23 48 4.1 Terminal ........................................Cu/Sn SRP1250-1R8M 1.80 21 40 4.7 Rated Current .....Ind. drops 20 % at Isat Temperature Rise .....40 C at rated Irms SRP1250-2R2M 2.20 20 32 5.5 Packaging ....... 500 pcs. per 13-inch reel SRP1250-2R7M 2.70 17 32 7.3 SRP1250-3R3M 3.30 15 32 9.2 5.2 13.9 Product Dimensions MAX. (.205) SRP1250-4R7M 4.70 12 27 MAX. 15.0 (0.547) 5.9 MAX. 12.7 0.3 13.9 SRP1250-6R0M 6.00 9.5 14 10.0 5.2 MAX. (.232) 13.9 5.0 (0.500 0.012) (0.531) MAX. MAX. (.205) (0.547) 5.2 (.197) SRP1250-6R8M 6.80 11 21 18.5 12.7 0.3 5.9 MAX. MAX. 13.9 (.205) 12.7 0.3 (0.500 0.012) MAX. (.232) 5.0 SRP1250-7R8M 7.80 10 18 20.5 (0.531) MAX. 13.5 (0.500 0.012) (.197) 5.2 (0.531) 12.7 0.3 SRP1250-9R0M 9.00 10 18 22.5 100 MAX. (.205) MAX. (0.500 0.012) 13.5 MAX. SRP1250-100M 10.0 9 16 25.5 13.5 (0.547) (0.531) 1725 1R5 MAX. 100 MAX. 13.5 (0.547) Soldering Profile 1725 1R5 MAX. 12.7 0.3 12.7 0.3 275 275 (0.500 0.012) (0.500 0.012) 260 C peak <1>Maximum of 10 seconds <1>5 seconds maximum <1> 255 C12.7 0.3 <1> 245 C 12.7 0.3 2.5 0.5 between +255 C and +260 C at +245 C (0.500 0.012) (0.500 0.012) 225 225 (0.098 0.020) 220 C 170 C 190C Ramp Down 2.5 0.5 60 seconds 183 C 5 C/second maximum 175 (0.098 0.020) 175 150 C 150 C 60 seconds 3.0 0.5 maximum Ramp Down (0.118 0.020) 5 C/second 125 3.0 0.5 125 120-150seconds 120-150 seconds (0.118 0.020) 3.0 0.5 10 secondsminimum 10 secondsminimum 2.5 0.5 (0.118 0.020) 3.0 0.5 75 75 (0.098 0.020) Ramp Up (0.118 0.020) Ramp Up 2.5 0.5 4 C/second maximum 4 C/second maximum (0.098 0.020) 25 25 050 100 150200 250300 050100 150200 250300 4.5 Recommended Layout Time (Seconds)15.0 Time (Seconds) (.177) (0.591) 4.5 15.0 4.5 (.177) 15.0 (0.591) (.177) 2.5 (0.591) 4.5 15.0 (.099) (0.591) (.177) 7.0 4.5 7.0 (.276) (.177) (.276) 1.5 7.0 MM7.0 (.060) (.276) DIMENSIONS: (INCHES)(.276) WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov Electrical Schematic *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. 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. 100 1725 Temperature(C) Temperature(C) SRP1250 Series - Shielded Power Inductors L vs. I Charts SRP1250-R22M SRP1250-R36M SRP1250-R47M 0.4 100 0.60 110 0.60 110 0.54 99 0.54 99 0.32 80 0.48 88 0.48 88 0.42 77 0.42 77 0.24 60 0.36 66 0.36 66 0.30 55 0.30 55 0.16 40 0.24 44 0.24 44 0.18 33 0.18 33 0.12 22 0.12 22 0.08 20 0.06 11 0.06 11 0 0 0 0 0 0 05 10 15 20 25 30 35 40 45 50 55 60 05 10 15 20 25 30 35 40 45 50 55 60 65 01224364860 DC Current (A) DC Current (A) DC Current (A) SRP1250-R68M SRP1250-R50M SRP1250-R56M 0.80 110 0.60 110 0.60 110 0.54 99 0.72 99 0.54 99 0.48 88 0.64 88 0.48 88 0.42 77 0.56 77 0.42 77 0.48 66 0.36 66 0.36 66 0.40 55 0.30 55 0.30 55 0.32 44 0.24 44 0.24 44 0.18 33 0.24 33 0.18 33 0.12 22 0.16 22 0.12 22 0.06 11 0.08 11 0.06 11 0 0 0 0 0 0 05 10 15 20 25 30 35 40 45 50 55 60 05 10 15 20 25 30 35 40 45 50 55 05 10 15 20 25 30 40 45 50 55 60 DC Current (A) DC Current (A) DC Current (A) SRP1250-R82M SRP1250-1R0M SRP1250-1R2M 1.2 100 1.2 110 1.6 160 1.1 99 1.0 0.96 80 88 0.9 1.2 120 77 0.8 0.72 60 66 0.7 0.6 55 0.8 80 0.48 40 0.5 44 0.4 33 0.3 0.4 40 0.24 20 22 0.2 11 0.1 0 0 0 0 0 0 0 10.6 21.2 31.8 42.453 05 10 15 20 25 35 40 45 50 60 010 20 30 40 50 DC Current (A) DC Current (A) DC Current (A) SRP1250-1R5M SRP1250-1R8M SRP1250-2R2M 3.0 120 2.4 160 2.4 108 2.7 108 2.1 96 2.0 2.4 96 120 84 1.8 2.1 84 1.5 72 1.5 1.8 72 60 1.5 1.2 80 60 1.1 48 1.2 48 0.9 0.8 0.9 36 36 40 0.6 0.6 24 24 0.4 0.3 12 0.3 12 0 0 0 0 0 0 05 10 15 20 25 30 35 40 08 16 24 32 40 05 10 15 20 25 30 35 40 DC Current (A) DC Current (A) DC Current (A) SRP1250-3R3M SRP1250-2R7M SRP1250-4R7M 4.0 140 0.40 6.0 108 108 5.5 0.36 96 120 96 5.0 3.2 0.32 84 84 4.5 100 0.28 72 4.0 72 2.4 0.24 80 3.5 60 60 0.20 3.0 60 48 1.6 48 0.16 2.5 36 40 2.0 36 0.12 0.8 24 1.5 0.8 24 20 1.0 12 0.4 12 0.5 0 0 0 0 0 0 08 16 24 32 05 10 15 20 25 30 04 81215 20 24 28 DC Current (A) DC Current (A) DC Current (A) SRP1250-6R0M SRP1250-6R8M SRP1250-7R8M 10 100 8.0 10.0 96 96 9.0 7.0 84 84 8 80 8.0 6.0 72 72 7.0 5.0 6.0 60 6 60 60 5.0 48 Specifications are subject to change without notice. 4.0 48 4.0 4 40 Users should verify actual device performance in their specific applications. 36 3.0 36 3.0 24 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. 2.0 24 2.0 2 20 12 1.0 1.0 12 0 0 0 0 0 0 02 4 6 8 10 12 14 16 18 02.8 5.68.4 11.214 03 69 12 15 18 21 DC Current (A) DC Current (A) DC Current (A) SRP1250-9R0M SRP1250-100M 16 120 12.0 100 11.0 90 100 10.0 80 12 9.0 70 80 8.0 60 7.0 60 8 50 6.0 5.0 40 40 4.0 4 30 3.0 20 20 2.0 10 1.0 0 0 03 6 9 12 15 18 0 0 02 4 6 8 10 12 14 16 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) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)