SRP1270-3R3M

This series is currently available, but not recommended for new designs. The newer SRP1265A series is recommended. PL IA N T Features CO M ■ Shielded construction *R oH S ■ Unit height of 7.0 mm max. ■ Current up to 41 A 100 5 172 ■ RoHS compliant* SRP1270 Series - Shielded Power Inductors Bourns Part No. Inductance L (μH) ±20 % I rms (A) I sat (A) DCR (mΩ) Max. SRF (MHz) Typ. SRP1270-R32M 0.32 46 65 0.9 95 SRP1270-R47M 0.47 41 65 1.2 85 SRP1270-R68M 0.68 35 60 1.6 65 SRP1270-1R0M 1.0 32 50 2.1 45 SRP1270-1R5M 1.5 27 48 2.6 31 SRP1270-1R8M 1.8 24 41 3.2 31 SRP1270-2R2M 2.2 22 40 4.2 25 SRP1270-3R3M 3.3 18 35 6.6 20 SRP1270-4R7M 4.7 15 30 11.2 15 SRP1270-5R6M 5.6 14 26.5 10.0 13 SRP1270-6R8M 6.8 12 21 14.0 12 SRP1270-8R2M 8.2 11 17 15.5 11 SRP1270-100M 10.0 10 16 16.8 10 Temperature (°C) 275 Maximum of 10 seconds between +255 °C and +260 °C 225 Test Voltage ....................................1.0 V Test Frequency ......................... 100 KHz .. 230 °C; 50 sec. max. Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature (On Board) ................................-40 °C to +125 °C Resistance to Soldering Heat ............................. +260 °C for 10 sec. Moisture Sensitivity Level ..................... 1 ................. N/A Materials Core ..................................................Iron Wire ............................Enameled copper Adhesive .............................. Epoxy resin Terminal ....................................Ag/Ni/Sn Rated Current .....Ind. drops 20 % at Isat Temperature Rise .....40 °C at rated Irms Packaging ....... 400 pcs. per 13-inch reel Product Dimensions 260 °C peak 255 °C 220 °C 190°C 60 seconds maximum 175 Ramp Down 5 °C/second 150 °C 125 120 -150 seconds 13.7 (0.539) MAX. 10 seconds minimum 75 MAX. 7.0 (.276) 13.7 MAX. (0.539) 12.9 MAX. (0.508) Ramp Up 4 °C/second maximum 6.5 (.256) MAX. 100 1725 25 0 50 100 150 200 250 300 Time (Seconds) Electrical Schematic 12.9 MAX. (0.508) 3.0 ± 0.5 (0.118 ± 0.020) 2.5 ± 0.5 (0.098 ± 0.020) Recommended Layout 4.5 (.177) 15.0 (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. 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 7.0 (.276) DIMENSIONS: MM (INCHES) 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 20 0 39 52 0 0 13 60 0.6 0.4 0.2 0 30 40 50 40 30 20 10 0 50 100 90 80 70 60 1.5 1.0 0.5 0 0 8 16 24 32 100 40 1.5 60 50 1.0 40 30 20 10 0 40 0.5 0 10 20 30 Inductance (μH) 80 70 Temperature Rise (°C) Inductance (μH) 90 2.0 3.2 2.4 1.6 0.8 0 0 7 7.2 80 5.4 60 3.6 40 1.8 20 0 0 5.3 10.6 15.9 21.2 9.0 6.0 3.0 0 8 60 1.5 6.0 3.0 4.2 8.4 12.6 32.8 50 40 30 20 10 0 41 24 100 90 80 70 60 50 40 30 20 10 0 30 1.0 0.5 0 0 8.2 16.4 24.6 100 90 80 70 60 50 40 30 20 10 0 35 SRP1270-4R7M 6.0 5.0 4.0 3.0 2.0 1.0 0 0 6 12 18 16.8 100 90 80 70 60 50 40 30 20 10 0 21 SRP1270-8R2M 14.0 100 11.2 80 8.4 60 5.6 40 2.8 20 0 0 3.2 6.4 9.6 12.8 0 16 DC Current (A) 12 100 90 80 70 60 50 40 30 20 10 0 16 Temperature Rise (°C) Inductance (μH) 12.0 4 50 40 30 20 10 0 48 100 90 80 70 DC Current (A) 9.0 0 50 DC Current (A) SRP1270-100M 0 28 0 0 26.5 DC Current (A) 15.0 21 SRP1270-6R8M 12.0 Temperature Rise (°C) Inductance (μH) 100 Inductance (μH) SRP1270-5R6M 9.0 14 40 2.0 DC Current (A) DC Current (A) 30 DC Current (A) SRP1270-3R3M 4.0 20 SRP1270-1R8M 2.5 DC Current (A) SRP1270-2R2M 0 10 10 0 60 DC Current (A) 2.0 DC Current (A) 2.5 0 Inductance (μH) 20 0 Inductance (μH) 0.8 50 40 30 20 0.4 0.2 Inductance (μH) Inductance (μH) 1.0 10 52 SRP1270-1R5M 2.5 Inductance (μH) 100 90 80 70 Temperature Rise (°C) SRP1270-1R0M 0 39 0.6 DC Current (A) DC Current (A) 1.2 26 10 0 65 Temperature Rise (°C) 26 0.1 0 65 Temperature Rise (°C) 13 0.2 Temperature Rise (°C) 0 50 40 30 20 Temperature Rise (°C) 0.1 0.3 0.8 Temperature Rise (°C) 40 0.4 100 90 80 70 60 Temperature Rise (°C) 0.2 0.5 SRP1270-R68M 1.0 DC Current (A) 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 disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf. Temperature Rise (°C) 60 100 90 80 70 60 Inductance (μH) 80 0.3 Inductance (μH) 0.4 SRP1270-R47M 0.6 Temperature Rise (°C) Inductance (μH) 100 Temperature Rise (°C) SRP1270-R32M 0.5 3312 - 2 mm SMD- Shielded TrimmingPower Potentiometer SRP1270 Series Inductors 330.0 (13.00) DIA. 2.0 ± 0.5 (.079 ± .020) THICKNESS 0.10 (.004) MAX. 13.5 ± 0.5 (0.53 ± .020) DIA. EMBOSSED CAVITY 100.0 ± 2.0 (3.94 ± .079) 13.5 ± 0.5 DIA. (.53 ± .020) EMBOSSED CARRIER 24.0 ± 0.5 (0.95 ± 0.020) 0.50 ± 0.05 (0.020 ± 0.002) 2.0 ± 0.1 (0.079 ± 0.004) 4.0 ± 0.1 (0.157 ± 0.004) 1.5 ± 0.1 (0.059 ± 0.004) DIA. 14.2 ± 0.1 (0.559 ± 0.004) 6.9 ± 0.1 (0.272 ± 0.004) 1.75 ± 0.1 (.069 ± 0.004) 2.7 ± 0.3 (.106 ± 0.012) 13.2 ± 0.1 (0.520 ± 0.004) 0.15 DIA. (0.0006) DIMENSIONS: 24.0 ± 0.3 (0.95 ± 0.012) 20.5 ± 0.1 (0.807 ± 0.004) MM (INCHES) REV. 12/17 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 disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL