T PL IA N M CO *R oH S Features Applications ■ Semi-shielded construction ■ DC/DC converters ■ High rated current ■ Notebook computers ■ Component height: 4 mm ■ Digital video cameras ■ Inductance range: 0.5 to 100 µH ■ HDDs ■ Rated current up to 10 A ■ Cell phones ■ RoHS compliant* and halogen free** ■ Televisions, LCD displays SRN8040 Series - Semi-shielded Power Inductors Electrical Specifications @ 25 °C Inductance @ 100 KHz / 1 V Bourns Part No. SRN8040-R50Y SRN8040-1R0Y SRN8040-1R5Y SRN8040-2R2Y SRN8040-3R3Y SRN8040-3R6Y SRN8040-4R7Y SRN8040-6R8Y SRN8040-8R2Y SRN8040-100M SRN8040-150M SRN8040-220M SRN8040-330M SRN8040-470M SRN8040-680M SRN8040-101M General Specifications L (μH) Tol. % Q (Ref.) 0.5 1.0 1.5 2.2 3.3 3.6 4.7 6.8 8.2 10 15 22 33 47 68 100 30 30 30 30 30 30 30 30 30 20 20 20 20 20 20 20 13 13 13 13 13 13 13 13 13 20 15 20 20 15 20 10 Test Freq. (MHz) SRF (MHz) Typ. DCR (Ω) Max. Irms (A) Isat (A) 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 0.796 125 75 55 40 34 32 28 23 20 18 14 12 10 9 7 6 0.007 0.01 0.011 0.013 0.021 0.022 0.024 0.033 0.045 0.05 0.07 0.1 0.145 0.19 0.275 0.4 10 7.8 7 6.3 5.6 4.9 4.1 3.9 3.7 3.1 2.4 2.2 1.7 1.4 1.1 1 12 11 8.2 7.4 5.5 5.3 4.7 4.2 4 3.4 2.7 2.2 1.9 1.5 1.2 1 Materials Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish ........................Sn/Ag/Cu Coating .................Magnetic epoxy resin Packaging ..... 1000 pcs. per 13-inch reel How to Order SRN8040 - 100M Model Soldering Profile Temperature (°C) Operating Temperature ................................. -40 °C to +125 °C (Temperature rise included) Storage Temperature .. -40 °C to +125 °C Resistance to Solder Heat ...............................+250 °C for 10 sec. Temperature Rise .....40 °C at rated Irms Rated Current ............ Inductance drops 30 % at Isat Value Code (see table) Temperature Rising Area Preheat Area Reflow Area ±3.0 °C/sec. max. 150 ~ 200 °C / 60 - 180 sec. +1.5 ~ 3.0 °C Forced Cooling Area Product Dimensions 6.0 °C / sec max. PeakTemperature: 250 °C +5/-10 °C, 5 sec. max. 250 40~90 sec.max. 200 217 °C 150 8.0 ± 0.3 (.315 ± .012) Peak Temperature: 255 ° max. Maximum Time Above 217 °C: 90 seconds 100 8.0 ± 0.3 (.315 ± .012) 50 0 50 100 150 250 200 Time (Seconds) Electrical Schematic Recommended Layout REF. 3.0 (.118) 4.0 MAX. (.157) 3.2 REF. (.126) 8.2 REF. (.323) REF. 2.6 (.102) REF. 2.6 (.102) DIMENSIONS: MM (INCHES) *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. 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. SRF0504 Filter SRN8040 Series Series -- Line Semi-shielded Power Inductors Packaging Specifications 330 DIA. (12.992) 2.0 ± 0.5 (.079 ± .020) 22.4 (.881) 13.0 ± 0.5 (.512 ± .020) DIA. 21.0 ± 0.8 (.827 ± .031) 50.0 -0 (1.97 -0) 13.0 ± 0.5 DIA. (.512 ± .020) 18 +0 (.709 +0) 12.0 (.472) END LEADER 16.0 (.630) 4.0 (.157) START COMPONENTS TRAILER 2000 (78.470) 800 (31.496) MIN. NO COMPONENT MIN. NO COMPONENT USER DIRECTION OF FEED 1000 PIECES PER REEL DIMENSIONS: MM (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com REV. 05/15 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.