Features n High saturation current n Inductance range: 1.0 to 68 H n Heating current up to 2.7 A n Dimensions: 4.5 x 4 x 3.2 mm n AEC-Q200 compliant n RoHS compliant* and halogen free** SDE0403A Series - SMD Power Inductors Electrical Specifications 25 C General Specifications Test Frequency / Voltage ..... 1 MHz / 1 V SRF DCR DCR Inductance Bourns I rms I sat ***K- (MHz) (W) (W) Operating Temperature Part Number (A) (A) Factor L (H) Tol. (%) Typ. Typ. Max...............................-40 C to +125 C (Temperature rise included) SDE0403A-1R0M 1.0 20 113 0.0193 0.048 2.7 4.8 490 Storage Temperature SDE0403A-2R2M 2.2 20 76 0.0318 0.071 2.3 3.3 335 ................................-40 C to +125 C SDE0403A-3R3M 3.3 20 64 0.0469 0.086 2.0 2.5 255 Temperature Rise SDE0403A-4R7M 4.7 20 50 0.0645 0.108 1.65 2.2 220 .......................40 C typ. at rated Irms SDE0403A-6R8M 6.8 20 41 0.0936 0.126 1.45 1.7 182 Inductance Drop ...........10 % typ. at Isat SDE0403A-8R2M 8.2 20 38 0.106 0.142 1.4 1.6 163 SDE0403A-100M 10 20 36 0.127 0.172 1.05 1.4 148 Materials SDE0403A-120M 12 20 32 0.146 0.197 1.0 1.3 135 Core ..............................................Ferrite Wire ............................Enameled copper SDE0403A-150M 15 20 29 0.192 0.259 0.85 1.2 120 Terminal Finish ...................................Sn SDE0403A-180M 18 20 28 0.237 0.309 0.75 1.1 112 Packaging .................. 2000 pcs. per reel SDE0403A-220M 22 20 25 0.27 0.351 0.7 0.95 98 SDE0403A-270M 27 20 22 0.322 0.419 0.65 0.85 90 Product Dimensions SDE0403A-330K 33 10 20 0.373 0.485 0.6 0.8 83 SDE0403A-390K 39 10 18 0.449 0.561 0.55 0.7 75 4.50 0.3 (.177 .012) SDE0403A-470K 47 10 16 0.505 0.631 0.5 0.65 68 SDE0403A-560K 56 10 15 0.736 0.92 0.45 0.6 62 SDE0403A-680K 68 10 13 0.822 1.028 0.4 0.55 56 ***K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(H) x I (peak-to-peak ripple current, 4.00 0.3 A), determine core loss from Core Loss vs. Flux Density plot. (.157 .012) Core Loss vs. Flux Density 100 3.20 0.3 1.60 (.126 .012) REF. (.063) 10 1 0.1 Recommended Layout 0.01 4.50 0.001 (.177 .012) 10 100 1000 1 MHz 300 KHz Flux Density Bp-p (gauss) 800 KHz 200 KHz 1.50 500 KHz 100 KHz (.059) 400 KHz 5.00 (.197) * 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) and Chlorine (Cl)1500 content ppm isor less. Specifications are subject to change without notice. WARNING Users should verify actual device performance in their specific applications. Cancer and Reproductive Harm The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of www.P65Warnings.ca.gov this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT VERSIONS AVAILABLE *RoHS COMPLIANT LEAD FREE *RoHS and **AEC-Q200 COMPLIANT LEAD FREE VERSIONS ARE RoHS COMPLIANT* *RoHS COMPLIANT & AEC APPROVED *RoHS COMPLIANT, **HALOGEN FREE & AEC COMPLIANT Core Loss (mW) 110000 SDE0403A Series - SMD Power Inductors Inductance vs. IDC Electrical Schematic SDE0403A-150M SDE0403A-2R2M L 25 C L 125 C L 25 C L 125 C 2.5 18.0 15.0 2.0 12.0 How to Order 1.5 9.0 SDE0403A - 100M 1.0 6.0 Model 0.5 Value Code (see table) 3.0 0.0 0.0 0.0 1.0 2.0 3.0 4.0 0.0 0.3 0.6 0.9 1.2 1.5 IDC (A) IDC (A) SDE0403A-330K SDE0403A-680K L 25 C L 125 C L 25 C L 125 C 40.0 80.0 35.0 70.0 30.0 60.0 25.0 50.0 20.0 40.0 15.0 30.0 10.0 20.0 5.0 10.0 0.0 0.0 0.0 0.3 0.6 0.9 1.2 0.0 0.2 0.4 0.6 0.8 IDC (A) IDC (A) SDE0403A-2R2M SDE0403A-150M T 25 C T 25 C 60.0 60.0 50.0 50.0 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 0.0 0.3 0.6 0.9 1.2 1.5 IDC (A) IDC (A) SDE0403A-330K SDE0403A-680K T 25 C T 25 C 60.0 70.0 60.0 50.0 50.0 40.0 40.0 30.0 30.0 20.0 Specifications are subject to change without notice. 20.0 Users should verify actual device performance in their 10.0 10.0 specific applications. The products described herein and this document are 0.0 0.0 subject to specific legal disclaimers as set forth on the 0.0 0.2 0.4 0.6 0.8 0.0 0.3 0.6 0.9 1.2 last page of this document, and at IDC (A) IDC (A) www.bourns.com/docs/legal/disclaimer.pdf. L (H) T (C) T (C) L (H) L (H) L (H) T (C) T (C)