& *R AE oH C- S C Q2 O 00 MP QU LI A L A NT IF IE D Features Applications ■ Shielded construction ■ Automotive systems: ■ Inductance range: 2.5 to 100 µH - Driver assistant - Information - Entertainment - Lighting ■ DC/DC converters ■ Power supplies ■ Heating current up to 4.5 A ■ AEC-Q200 qualified 220 ■ RoHS compliant* and halogen free** SRU8028A Series - Shielded Power Inductors Electrical Specifications @ 25 °C Q (Ref.) Test Freq. (MHz) SRF (MHz) Typ. DCR (Ω) Max. I rms (A) I sat (A) T Inductance @ 100 KHz / 1 V L (µH) Tol. (%) Bourns Part Number General Specifications SRU8028A-2R5Y 2.5 ±30 15 7.96 65 0.018 4.5 4.2 SRU8028A-3R3Y 3.3 ±30 12 7.96 60 0.023 3.6 3.5 SRU8028A-4R7Y 4.7 ±30 15 7.96 50 0.026 3.7 3.2 SRU8028A-6R8Y 6.8 ±30 13 7.96 40 0.045 2.8 2.5 SRU8028A-100Y 10 ±30 22 2.52 35 0.057 2.6 2.2 SRU8028A-150Y 15 ±30 20 2.52 25 0.085 2.0 1.7 SRU8028A-220Y 22 ±30 22 2.52 20 0.13 1.6 1.5 SRU8028A-330Y 33 ±30 20 2.52 15 0.185 1.3 1.1 SRU8028A-470Y 47 ±30 14 2.52 12 0.23 1.2 1.0 SRU8028A-680Y 68 ±30 23 2.52 9 0.39 0.85 0.8 SRU8028A-101Y 100 ±30 20 0.796 8 0.50 0.75 0.7 How to Order Electrical Schematic Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Resistance to Soldering Heat ............................. +250 °C for 10 sec. Temperature Rise ......................40 °C typ. at rated I rms Inductance Drop .......... 35 % typ. at I sat Materials Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish .........................Ag/Ni/Sn Packaging .................. 1500 pcs. per reel Product Dimensions SRU8028A - 100Y 8.0 ± 0.3 (.315 ± .012) Model Value Code (see table) 8.0 ± 0.3 (.315 ± .012) Inductor Connection T 2.8 ± 0.3 (.110 ± .012) 6.0 TYP. (.236) 2.5 (.098) TYP. T LCR METER 2.8 (.110) TYP. DIMENSIONS: 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 2.5 TYP. (.098) Recommended Layout 5.8 (.228) 2.0 (.079) * 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. MM (INCHES) 2.0 (.079) 3.2 (.126) SRU8028ASeries Series - Shielded Power Inductors SRF0504 Line Filter Soldering Profile Temperature Rising Area Preheat Area Reflow Area Forced Cooling Area +4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max. Temperature (°C) Peak Temperature 250 ഒ max. Peak Temperature: 250 °C 250 217 °C 60~150 Sec. 200 Max. Peak Temperature -5 ഒ 30 sec. max. 60 Sec. Max. 150 60~120 Sec. 100 Max. Time Above 217 ഒ: 60~150 sec. max. 50 50 0 100 150 200 250 Time (Seconds) L vs. IDC SRU8028A-2R5Y 30.0 3.0 L @ 125 ℃ L @ 25 ℃ 2.5 25.0 2.0 20.0 L (uH) L (uH) L @ 25 ℃ 1.5 10.0 0.5 5.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 0.0 0.0 8.0 0.5 1.0 SRU8028A-6R8Y L @ 25 ℃ 7.0 1.5 2.0 2.5 IDC (A) IDC (A) 8.0 L @ 125 ℃ 15.0 1.0 0.0 0.0 SRU8028A-220Y 100.0 L @ 125 ℃ 90.0 SRU8028A-101Y L @ 25 ℃ L @ 125 ℃ 80.0 70.0 5.0 L (uH) L (uH) 6.0 4.0 60.0 50.0 40.0 3.0 30.0 2.0 20.0 1.0 10.0 0.0 0.0 1.0 2.0 IDC (A) 3.0 4.0 0.0 0.0 0.3 0.6 0.9 1.2 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. SRU8028A Series - Shielded Power Inductors Temperature vs. IDC SRU8028A-2R5Y 80.0 70.0 Ⴄ T @ 25 ℃ 70.0 Ⴄ T @ 25 ℃ 60.0 60.0 50.0 50.0 Ⴄ T (°C) Ⴄ T (°C) SRU8028A-220Y 40.0 40.0 30.0 30.0 20.0 20.0 10.0 10.0 0.0 0.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 0.0 8.0 0.5 SRU8028A-6R8Y 60.0 1.0 1.5 2.0 2.5 IDC (A) IDC (A) 70.0 Ⴄ T @ 25 ℃ SRU8028A-101Y Ⴄ T @ 25 ℃ 60.0 50.0 50.0 Ⴄ T (°C) Ⴄ T (°C) 40.0 30.0 40.0 30.0 20.0 20.0 10.0 10.0 0.0 0.0 1.0 2.0 3.0 0.0 0.00 4.0 0.30 0.60 0.90 1.20 IDC (A) IDC (A) Packaging Specifications 330 DIA. (12.99) 2.0 ± 0.5 (.079 ± .020) 22.4 (.882) 13.0 ± 0.5 (.512 ± .020) DIA. 21.0 ± 0.8 (.827 ± .031) 50.0 (1.969) 13.0 ± 0.5 DIA. (.512 ± .020) 4 (.157) END 16 (.630) 18 (.709) START USER DIRECTION OF FEED QTY: 1500 PCS. PER REEL 12 (.472) NO COMPONENT 200 (7.874) DIMENSIONS: NO COMPONENT COMPONENTS 400 (15.748) REV. 09/13 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. MM (INCHES)