Features Applications n Available in E6 series n Input/output of DC/DC converters n Unit height of 4.8 mm n Power supplies for: Portable communication equipment n Current up to 7.8 A Camcorders n RoHS compliant* LCD TVs SRU1048 Series - Shielded SMD Power Inductors Electrical Specifications General Specifications Test Voltage .......................................1 V Inductance Test SRF RDC I rms I sat Reflow Soldering .. 230 C, 50 sec. max. 100 KHz Q Bourns Typ. Max. Freq. Typ. **K- Part Number L Tol. (Ref.) Typ. Max. Operating Temperature (MHz) (MHz) (A) (A) Factor (H) (%) (mW) (mW) ................................-40 C to +125 C 266 (Temperature rise included) SRU1048-R80Y 0.8 30 8 7.96 100.0 3.6 4.8 7.80 8.50 Storage Temperature .. -40 C to +125 C SRU1048-1R5Y 1.5 30 14 7.96 70.0 4.3 5.8 7.00 7.20 207 Resistance to Soldering Heat 169 SRU1048-2R2Y 2.2 30 14 7.96 55.0 5.3 7.2 6.50 6.30 .............................+260 C for 10 sec. SRU1048-3R0Y 3.0 30 14 7.96 40.0 7.2 10.0 6.20 6.00 143 Moisture Sensitivity Level ...................... 1 SRU1048-4R7Y 4.7 30 12 7.96 30.0 9.5 12.5 5.50 4.75 124 ESD Classification (HBM) .................. N/A 98 SRU1048-6R8Y 6.8 30 10 7.96 20.0 13.6 18.0 4.80 4.10 Materials SRU1048-8R2Y 8.2 30 8 7.96 18.0 15.0 20.0 4.60 3.80 89 89 Core ....................Ferrite DR and RI core SRU1048-100Y 10.0 30 26 7.96 16.0 18.5 25.0 4.50 3.70 Wire ............................Enameled copper 81 SRU1048-120Y 12.0 30 26 2.52 15.0 25.0 35.0 4.00 3.30 Terminal ....................................Ag/Ni/Sn SRU1048-150Y 15.0 30 30 2.52 14.0 29.0 40.0 3.20 2.70 69 Rated Current SRU1048-220Y 22.0 30 22 2.52 12.0 42.0 55.0 2.60 2.00 56 ...................Ind. drop 35 % typ. at Isat SRU1048-330Y 33.0 30 24 2.52 10.0 63.0 84.0 2.10 1.70 48 Temperature Rise SRU1048-470Y 47.0 30 26 2.52 8.0 94.0 120.0 1.70 1.50 41 .....................30 C max. at rated Irms 10.0 0.3 SRU1048-560Y 56.0 30 26 2.52 7.0 110.0 145.0 1.60 1.40 34 Packaging .................... 600 pcs. per reel (.394 .012) SRU1048-680Y 68.0 30 24 2.52 6.0 127.0 170.0 1.40 1.25 33 SRU1048-820Y 82.0 30 24 2.52 5.5 149.0 200.0 1.30 1.10 30 Product Dimensions SRU1048-101Y 100.0 30 26 0.796 5.0 160.0 220.0 1.20 1.00 26 10.0 0.3 10.0 0.3 SRU1048-151Y 150.0 30 24 0.796 4.5 235.0 305.0 1.00 0.80 21 (.394 .012) (.394 .012) SRU1048-221Y 220.0 30 20 0.796 4.0 350.0 455.0 0.80 0.70 17 SRU1048-331Y 330.0 30 18 0.796 3.0 490.0 640.0 0.65 0.52 15 SRU1048-561Y 560.0 30 24 0.796 1.9 890.0 1237.0 0.47 0.37 12 10.0 0.3 4.8 0.3 (.394 .012) **K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(H) x I (peak-to-peak ripple current, A), (.189 .012) determine core loss from Core Loss vs. Flux Density plot. SRU1048 4.8 0.3 Core Loss vs. Flux Density (.189 .012) 7.4 3.4 TYP. (.291) 10000 (.134) TYP. 1000 7.4 3.4 TYP. (.291) (.134) TYP. 3.2 100 (.126) TYP. 1 MHz 3.4 500 KHz TYP. 300 KHz (.134) 10 200 KHz 3.2 100 KHz (.126) 50 KHz TYP. 3.4 TYP. 1 (.134) Recommended Layout 0.1 100 1000 10000 7.2 (.283) REF. Flux Density Bp-p (gauss) 1.8 1.8 (.071) (.071) REF. REF. 7.2 (.283) REF. 1.8 1.8 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov (.071) (.071) *RoHS Directive 2015/863, Mar 31, 2015 and Annex. REF. REF. Specifications are subject to change without notice. Users should verify actual device performance in their specific 3.6 MM applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the (.142) DIMENSIONS: last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. (INCHES) REF. 3.6 (.142) REF. LCR METER LCR METER 330 Core Loss (mW) T T T T10.0 0.3 (.394 .012) 10.0 0.3 (.394 .012) 4.8 0.3 (.189 .012) 3.4 7.4 TYP. (.291) (.134) TYP. 3.2 (.126) TYP. 3.4 TYP. (.134) 7.2 (.283) REF. 1.8 1.8 (.071) (.071) REF. REF. 3.6 SRU1048 Series - Shielded SMD Power Inductors SRF0504 Series - Line Filter (.142) REF. Electrical Schematic Inductor Connection LCR METER Packaging Specifications 330 2.0 0.5 DIA. 30.4 (12.99) (.079 .020) (1.20) 13.0 0.5 21.0 0.8 (.512 .020) (.827 .031) DIA. 50.0 (1.969) 13.0 0.5 DIA. (.512 .020) 24 26 (.945) (1.02) 4 (.157) END START 16 (.63) NO COMPONENT NO COMPONENT 400 160 COMPONENTS (6.299) (15.748) USER DIRECTION OF FEED MM DIMENSIONS: (INCHES) QTY: 600 PCS. PER REEL REV. 10/20 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. T T