& *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: 1.2 to 100 µH - Driver assistant - Information - Entertainment - Lighting ■ DC/DC converters ■ Power supplies ■ Heating current up to 3.5 A 680 ■ AEC-Q200 qualified ■ RoHS compliant* and halogen free** SRU5028A Series - Shielded Power Inductors Electrical Specifications @ 25 °C Inductance @ 100 KHz / 0.1 V L (µH) Tol. (%) Bourns Part Number General Specifications Q (Ref.) Test Freq. (MHz) SRF (MHz) Typ. DCR (Ω) Max. I rms (A) I sat (A) 3.4 SRU5028A-1R2Y 1.2 ±30 10 7.96 200 0.022 3.5 SRU5028A-2R2Y 2.2 ±30 10 7.96 130 0.027 3.2 2.5 SRU5028A-3R3Y 3.3 ±30 10 7.96 90 0.032 2.8 2.1 SRU5028A-4R7Y 4.7 ±30 9 7.96 50 0.045 2.2 1.85 SRU5028A-6R8Y 6.8 ±30 10 7.96 45 0.056 2.0 1.55 SRU5028A-100Y 10 ±30 18 2.52 25 0.085 1.8 1.4 SRU5028A-150Y 15 ±30 18 2.52 23 0.14 1.1 1.0 SRU5028A-220Y 22 ±30 15 2.52 18 0.21 0.95 0.85 SRU5028A-330Y 33 ±30 15 2.52 16 0.26 0.8 0.68 SRU5028A-470Y 47 ±30 13 2.52 13 0.36 0.7 0.62 SRU5028A-680Y 68 ±30 13 2.52 10 0.55 0.56 0.46 SRU5028A-101Y 100 ±30 15 0.796 8 0.8 0.47 0.42 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 .................... 600 pcs. per reel Product Dimensions 5.2 ± 0.2 (.205 ± .008) Electrical Schematic How to Order SRU5028A - 100Y 5.2 ± 0.2 (.205 ± .008) Model Value Code (see table) Inductor Connection 2.8 ± 0.2 (.110 ± .008) 1.7 (.067) TYP. 3.9 TYP. (.154) LCR METER 1.8 TYP. (.071) 1.7 TYP. (.067) Recommended Layout 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 1.1 (.043) 1.1 (.043) 1.1 (.043) 3.7 (.146) 3.7 (.146) * 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. 2.0 (.079) 2.0 (.079) 1.1 (.043) DIMENSIONS: MM (INCHES) SRU5028ASeries Series - Shielded Power Inductors SRF0504 Line Filter Soldering Profile Inductance vs. DC Current Plot Peak Temperature250 ഒ max. Max. Peak Temperature -5 ഒ30 sec. max. Max. Time Above 217 ഒ: 60~150 sec. max. 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. -101Y Inductance (µH) Preheat Area Peak Temperature: 250 °C 217 °C 60~150 Sec. 200 60 Sec. Max. 150 10 2 -470Y 5 10 60~120 Sec. 100 3 5 Temperature Rising Area 250 Temperature (°C) 10 -100Y 1 -4R7Y 5 50 0 50 100 150 200 250 10 Time (Seconds) 0 -2 10 5 -1 10 5 10 0 5 10 1 DC Current (A) Packaging Specifications 178 DIA. (7.008) 2.0 ± 0.5 (.079 ± .020) 16.5 (.650) 13.0 (.512) DIA. 21.0 ± 0.8 (.827 ± .031) 50 -0 (1.969 -0) 13.0 DIA. (.512) 12 (.472) 14 +0 (.551 +0) 4 (.157) END 100 100 START 100 8 (.315) NO COMPONENT 200 (7.874) NO COMPONENT COMPONENTS 400 (15.748) USER DIRECTION OF FEED DIMENSIONS: QTY: 600 PCS. PER REEL MM (INCHES) 08/13 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.