SRN2009T-4R7M Bourns

Features Applications n Semi-shielded construction n DC/DC converters n Inductance range: 0.33 to 10 H n Power supplies n Rated current up to 2.1 A n Wearable devices n Low profile: 0.95 mm max. n HDDs, SSDs n RoHS compliant* and halogen free** n Smartphones n LCD displays SRN2009T Series - Semi-shielded Power Inductors 2.0 +0.2/-0.1 (.079 +.008/-.004) Electrical Specifications 25 C General Specifications Operating Temperature Inductance Q SRF DCR Irms Isat ................................. -40 C to +125 C 1 MHz / 0.1 V (Typ.) (MHz) (W) (A) (A) (Temperature rise included) 1.6 +0.2/-0.1 Bourns Part No. L (mH) Tol. % 1 MHz Typ. 20 % Typ. Typ. Storage Temperature (Component) (.063 +.008/-.004) SRN2009T-R33M 0.33 20 30 400 0.028 2.1 2.1 ................................. -40 C to +125 C Temperature Rise .....40 C at rated Irms SRN2009T-R47M 0.47 20 25 300 0.038 2 2 Rated Current SRN2009T-R68M 0.68 20 22 250 0.055 1.5 1.5 ............ Inductance drops 30 % at Isat SRN2009T-1R0M 1.0 20 20 200 0.065 1.4 1.4 Moisture Sensitivity Level .....................1 SRN2009T-1R5M 1.5 20 18 170 0.11 1.2 1.2 ESD Classification (HBM) ................. N/A SRN2009T-2R2M 2.2 20 16 150 0.16 0.9 0.9 Materials SRN2009T-3R3M 3.3 20 15 120 0.25 0.85 0.85 SRN2009T-4R7M 4.7 20 15 90 0.4 0.75 0.75 Core ..............................................Ferrite Wire ............................Enameled copper SRN2009T-6R8M 6.8 20 15 80 0.55 0.65 0.65 0.6 0.6 Terminal Finish ...................................Sn (.024) (.024) SRN2009T-100M 10 20 15 60 1 0.55 0.6 Coating .................Magnetic epoxy resin REF. 0.8 REF. (.031) Packaging ....... 2000 pcs. per 7-inch reel REF. Electrical Schematic How to Order Product Dimensions SRN2009T - R68M 2.0 +0.2/-0.1 Model (.079 +.008/-.004) Value Code (see table) 0.95 (.037) MAX. Recommended Layout 1.6 +0.2/-0.1 (.063 +.008/-.004) 2.3 (.091) REF. 1.7 (.067) REF. 0.7 (.028) REF. 0.6 0.6 MM DIMENSIONS: (.024) (.024) (INCHES) REF. 0.8 REF. (.031) REF. 0.95 (.037) MAX. MM DIMENSIONS: (INCHES) 2.3 (.091) REF. * RoHS Directive 2015/863, Mar 31, 2015 and Annex. **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) 1.7 and Chlorine (Cl) content is 1500 ppm or less. (.067) Specifications are subject to change without notice. REF. 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. 0.7 (.028) REF. SRN2009T Series - Semi-shielded Power Inductors SRF0504 Series - Line Filter Inductance vs. Current SRN2009T-R33M SRN2009T-R47M SRN2009T-R68M 0.60 0.8 1.2 0.45 0.6 0.9 0.30 0.4 0.6 0.15 0.2 0.3 0 0 0 0 0.5 1.0 1.5 2.0 2.5 0 0 0.5 1.0 1.5 2.0 2.5 0.5 1.0 1.5 2.0 DC Current (A) DC Current (A) DC Current (A) SRN2009T-1R0M SRN2009T-1R5M SRN2009T-2R2M 2.0 2.8 4 1.5 2.1 3 1.0 1.4 2 0.5 0.7 1 0 0 0 0 0.5 1.0 1.5 2.0 0 0.4 0.8 1.2 1.6 0 0.3 0.6 0.9 1.2 DC Current (A) DC Current (A) DC Current (A) SRN2009T-6R8M SRN2009T-3R3M SRN2009T-4R7M 12 6.0 8 9 4.5 6 6 3.0 4 3 1.5 2 0 0 0 0 0.2 0.4 0.6 0.8 0 0.3 0.6 0.9 1.2 0 0.2 0.4 0.6 0.8 1.0 DC Current (A) DC Current (A) DC Current (A) SRN2009T-100M 20 15 10 5 0 0 0.2 0.4 0.6 0.8 DC Current (A) 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. Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H)