CO LO & MP LI GE AN N T FR EE *R oH S Features Applications Shielded construction DC/DC converters Iron powder core Power supplies for: ** HA High saturation current Inductance range: 0.56 to 47 H Rated current up to 18 A RoHS compliant* and halogen free** * * * * Portable communications equipment Laptop computers Camcorders, HDTV, car audio systems Video game consoles SRP6540 Series - Shielded Power Inductors Electrical Specifications Bourns Part No. Inductance L (H) 20 % DCR (m) Max. I rms (A) I sat (A) SRP6540-R56M 0.56 SRP6540-R68M 0.68 4.4 18 18 5.0 16.5 SRP6540-R82M 0.82 17 5.5 15 15 SRP6540-1R0M SRP6540-1R5M 1.0 7.2 12 13.5 1.5 10.0 11 11 SRP6540-2R2M 2.2 15.5 9 9 SRP6540-3R3M 3.3 23.0 6.5 7 SRP6540-4R7M 4.7 33.5 6 6.5 SRP6540-5R6M 5.6 38.0 5.5 6 SRP6540-6R8M 6.8 49.5 5 5.5 SRP6540-8R2M 8.2 50.5 4.5 5 SRP6540-100M 10 78.5 4 4 SRP6540-150M 15 121 2.9 2.9 SRP6540-220M 22 133 2.5 2.5 SRP6540-270M 27 290 2 2 SRP6540-390M 39 322 1.8 1.8 SRP6540-470M 47 366 1.6 1.6 General Specifications Test Voltage ..................................0.25 V Test Frequency ......................... 100 KHz Operating Temperature ................................-55 C to +125 C (Temperature rise included) Storage Temperature ................................-55 C to +125 C Resistance to Soldering Heat ............................. +250 C for 10 sec. Materials Core .....................................Iron powder Wire ............................Enameled copper Terminal ....................................Cu/Ni/Sn Rated Current .........Ind. drops 20 % typ. at Isat Temperature Rise ................... 40 C typ. at rated Irms Packaging ..... 1200 pcs. per 13-inch reel Product Dimensions 7.20 0.3 (.283 .012) 3.00 0.3 (.118 .012) Peak Temperature: Time Above 245 C: Time Above 217 C: Temperature Rising Area Preheat Area +4.0 C / sec. max. 150~200 C / 60~120 sec. Reflow Area 250 C max. 30 sec. max. 60 ~ 150 sec. max. Forced Cooling Area +3.0 C / sec. max. 5 Soldering Profile 6.50 0.2 (.256 .008) INDUCTANCE CODE MARKING -(1.0~5.0) C / sec. max. 250 Temperature (C) 217 C 60 ~ 150 sec. 60 sec. max. 200 1.70 0.5 (.067 .020) 4.00 MAX. (.157) Recommended Layout 150 60 ~ 120 sec. 100 50 0 50 100 150 200 250 Time (Seconds) 7.40 (.291) TYP. DIMENSIONS: * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** Bourns follows the prevailing definition of "halogen free" in the industry. 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. Specifications 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 specific applications. 3.40 TYP. (.134) 3.70 (.146) TYP. MM (INCHES) Electrical Schematic SRP6540 Series - Shielded Power Inductors L vs. I Charts SRP6540-R68M 0.0 0.6 5.0 10.0 15.0 20.0 0.0 0.8 25.0 30.0 35.0 40.0 50.0 40.0 5.0 SRP6540-R82M T@ 25 C L@ 25 C T@ 25 C 10.0 15.0 20.0 25.0 30.0 35.0 50.0 0.9 40.0 0.8 0.6 0.0 0.4 20.0 L (H ) L (H ) 30.0 0.4 T (C) 10.0 15.0 20.0 25.0 30.0 50.0 40.0 30.0 0.5 20.0 0.3 0.2 10.0 0.0 0.0 0.0 0.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 2.0 4.0 6.0 0.0 8.0 10.0 12.0 14.0 16.0 18.0 T@ 25 C 10.0 15.0 20.0 25.0 0.0 1.6 5.0 10.0 15.0 20.0 0.0 2.4 20.0 30.0 0.8 20.0 L (H ) L (H ) 1.0 6.0 8.0 10.0 2.0 4.0 2.0 4.0 8.0 10.0 6.0 8.0 10.0 16.0 50.0 30.0 0.0 0.0 12.0 10.0 0.0 2.0 4.0 0.0 5.0 2.0 4.0 6.0 8.0 10.0 4.0 40.0 6.0 8.0 10.0 12.0 SRP6540-5R6M L@ 25 C T@ 25 C 12.0 0.0 6.0 14.0 50.0 3.5 3.0 30.0 50.0 1.2 SRP6540-4R7M 12.0 14.0 25.0 IDC (A) L@ 25 C T@ 25 C 6.0 20.0 40.0 IDC (A) SRP6540-3R3M 0.0 4.0 T@ 25 C 15.0 0.4 0.0 0.0 IDC (A) L@ 25 C 10.0 20.0 10.0 0.0 0.0 14.0 12.0 5.0 0.8 0.4 0.2 0.0 0.0 16.0 14.0 1.6 0.6 10.0 0.2 10.0 12.0 2.0 40.0 T (C) 0.4 8.0 L@ 25 C 25.0 50.0 1.2 T (C) 30.0 0.6 4.0 6.0 SRP6540-2R2M T@ 25 C 1.4 40.0 2.0 4.0 IDC (A) L@ 25 C 30.0 50.0 0.8 0.0 2.0 SRP6540-1R5M SRP6540-1R0M L@ 25 C 5.0 0.0 0.0 IDC (A) IDC (A) 0.0 1.0 10.0 0.2 T (C) 20.0 T (C) L (H ) 30.0 10.0 2.0 4.0 T@ 25 C 6.0 8.0 5.0 40.0 10.0 12.0 50.0 40.0 30.0 2.0 20.0 L (H ) 20.0 1.5 3.0 T (C) 30.0 2.0 L (H ) 2.5 T (C) 4.0 30.0 3.0 20.0 T (C) L (H ) 5.0 0.6 0.2 L (H ) T@ 25 C L@ 25 C T (C) SRP6540-R56M L@ 25 C 2.0 1.0 10.0 1.0 0.0 0.0 10.0 0.5 0.0 0.0 2.0 4.0 IDC (A) 6.0 8.0 0.0 0.0 2.0 4.0 IDC (A) 6.0 8.0 10.0 1.0 0.0 0.0 0.0 2.0 4.0 6.0 IDC (A) Specifications 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 specific applications. 3312 - 2 mm SMD- Shielded TrimmingPower Potentiometer SRP6540 Series Inductors L vs. I Charts SRP6540-6R8M L@ 25 C 0.0 8.0 2.0 SRP6540-8R2M L@ 25 C T@ 25 C 4.0 6.0 8.0 10.0 12.0 50.0 0.0 10.0 SRP6540-100M L@ 25 C T@ 25 C 2.0 4.0 6.0 8.0 10.0 0.0 10.0 12.0 50.0 2.0 T@ 25 C 4.0 6.0 8.0 10.0 12.0 50.0 40.0 8.0 40.0 30.0 6.0 30.0 6.0 30.0 4.0 20.0 4.0 20.0 2.0 10.0 2.0 10.0 20.0 3.0 2.0 10.0 L (H ) 4.0 T (C) 8.0 L (H ) 40.0 T (C) L (H ) 5.0 1.0 0.0 0.0 0.0 2.0 4.0 6.0 2.0 4.0 IDC (A) 6.0 8.0 10.0 12.0 0.0 22.0 50.0 4.0 6.0 8.0 10.0 0.0 30.0 12.0 50.0 30.0 12.0 10.0 20.0 10.0 2.0 3.0 4.0 0.0 5.0 10.0 2.0 4.0 1.0 2.0 3.0 4.0 8.0 40.0 30.0 18.0 15.0 0.0 5.0 20.0 10.0 0.0 0.0 0.5 1.0 1.5 IDC (A) IDC (A) SRP6540-470M T@ 25 C 6.0 10.0 L@ 25 C 0.0 2.0 T@ 25 C 12.0 50.0 4.0 6.0 8.0 50.0 10.0 12.0 50.0 40.0 40.0 40.0 30.0 30.0 20.0 20.0 20.0 10.0 10.0 10.0 0.0 0.0 20.0 T (C) 30.0 25.0 L (H ) 30.0 T (C) 40.0 35.0 15.0 10.0 5.0 0.0 0.0 0.5 1.0 1.5 IDC (A) 2.0 2.5 3.0 12.0 50.0 6.0 0.0 0.0 SRP6540-390M 0.0 45.0 10.0 3.0 IDC (A) L@ 25 C 8.0 9.0 4.0 0.0 1.0 T@ 25 C 6.0 12.0 2.0 0.0 L (H ) L (H ) 14.0 8.0 2.0 4.0 21.0 6.0 4.0 2.0 24.0 40.0 T (C) 20.0 6.0 T (C) 30.0 8.0 5.0 27.0 16.0 10.0 4.0 SRP6540-270M 18.0 40.0 12.0 L (H ) 2.0 3.0 L@ 25 C T@ 25 C 20.0 14.0 0.0 2.0 IDC (A) L@ 25 C T@ 25 C 4.0 0.0 1.0 SRP6540-220M SRP6540-150M 2.0 0.0 0.0 0.0 IDC (A) L@ 25 C 0.0 16.0 6.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 IDC (A) Specifications 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 specific applications. 2.0 2.5 3.0 T (C) 0.0 0.0 L (H ) T ( C) 6.0 T (C) 7.0 SRP6540 Series - Shielded Power Inductors Packaging Specifications 2.0 0.5 (.079 .020) 330.0 (13.00) DIA. 21.0 0.8 (.827 .031) 22.4 (.882) 13.0 0.5 (.512 .020) DIA. EMBOSSED CAVITY 50.0 - 0 (1.969 - 0) 13.0 0.5 DIA. (.512 .020) EMBOSSED CARRIER 18.0 + 0 (.709 +0) CARRIER TAPE WIDTH 12.0 (.472) END 5 4.0 (.157) 5 5 START 5 NO COMPONENT 200 (7.874) 16.0 (.630) NO COMPONENT COMPONENTS 400 (15.748) USER DIRECTION OF FEED 1200 PIECES PER REEL DIMENSIONS: MM (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 * Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 * Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 * Fax: +1-951 781-5700 www.bourns.com 03/13 Specifications 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 specific applications. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: SRP6540-100M SRP6540-1R0M SRP6540-1R5M SRP6540-2R2M SRP6540-3R3M SRP6540-4R7M SRP65405R6M SRP6540-6R8M SRP6540-8R2M SRP6540-R56M SRP6540-R68M SRP6540-R82M SRP6540-470M SRP6540-390M SRP6540-270M SRP6540-220M SRP6540-150M