PL IA NT CO M *R oH S 2R2 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 General Specifications Inductance @ 100 KHz/1 V Bourns Part No. L (μH) Tol. % DCR (Ω) Max. SRN8040-R50Y 0.5 30 0.007 10 12 SRN8040-1R0Y 1.0 30 0.01 7.8 11 SRN8040-1R5Y 1.5 30 0.011 7 8.2 SRN8040-2R2Y 2.2 30 0.013 6.3 7.4 SRN8040-3R3Y 3.3 30 0.021 5.6 5.5 SRN8040-3R6Y 3.6 30 0.022 4.9 5.3 SRN8040-4R7Y 4.7 30 0.024 4.1 4.7 SRN8040-6R8Y 6.8 30 0.033 3.9 4.2 SRN8040-8R2Y 8.2 30 0.045 3.7 4 SRN8040-100M 10 20 0.05 3.1 3.4 SRN8040-150M 15 20 0.07 2.4 2.7 SRN8040-220M 22 20 0.1 2.2 2.2 SRN8040-330M 33 20 0.145 1.7 1.9 SRN8040-470M 47 20 0.19 1.4 1.5 SRN8040-680M 68 20 0.275 1.1 1.2 SRN8040-101M 100 20 0.4 1 1 Forced Cooling Area Irms (A) Isat (A) Temperature (°C) Soldering Profile Operating Temperature ................................. -40 °C to +105 °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 Materials Core ..............................................Ferrite Wire ........................... Enameled copper Terminal Finish ....................................Sn Coating ................ Magnetic epoxy resin Packaging.....1200 pcs. per 13-inch reel How to Order SRN8040 - 100M Model Value Code (see table) Product Dimensions Temperature Rising Area Preheat Area Reflow Area ±3.0 °C/sec. max. 150 ~ 200 °C / 60 - 180 sec. +1.5 ~ 3.0 °C 8.0 ± 0.3 (.315 ± .012) 6.0 °C / sec max. PeakTemperature: 250 °C +5/-10 °C, 5 sec. max. 250 40~90 sec.max. 200 217 °C 8.0 ± 0.3 (.315 ± .012) 150 100 50 50 0 100 150 200 250 Time (Seconds) Peak Temperature: 255 ° max. Electrical Schematic Maximum Time Above 217 °C: 90 seconds 3.2 REF. (.126) Recommended Layout REF. 4.0 MAX. (.157) 3.5 (.138) 8.0 REF. (.315) MM 2.2 2.2 DIMENSIONS: REF. REF. (INCHES) (.087) (.087) * RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. ** 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. Customers 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) 21.0 ± 0.8 (.827 ± .031) 22.4 (.881) 13.0 ± 0.5 (.512 ± .020) DIA. 50.0 -0 (1.97 -0) 13.0 ± 0.5 DIA. (.512 ± .020) 18 +0 (.709 +0) 16.0 (.630) 12.0 (.472) END 4.0 (.157) LEADER COMPONENTS TRAILER 400 (15.748) 200 (7.874) MIN. NO COMPONENT START USER DIRECTION OF FEED QTY: 1200 PCS. 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 08/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MIN. NO COMPONENT