planar| Datasheet

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Planar cores for power applications
Integrating ferrite cores into the PCB has become common in the power supply market. In those low-profile designs ferrite planar cores with low losses and high saturation are widespread. The trends are increasing the power density of the throughput transformer and the current in the output inductor. Ferrite cores are considered a key component for these targets. EPCOS has extended the range of planar ferrite cores to meet the new requirements. Besides the standard ELP core series, EPCOS now offers extended series of planar cores with round center posts: Planar core sets ER 9.5 to ER 32 and EQ 13 to EQ 30. This wide range of shapes improves the design capabilities for individual power converter solutions. Customer-specific heights can be supplied as well as different air gap requirements for all series. All EPCOS planar cores are available in the well-known EPCOS power materials. Preferred materials are N97 and N92. N97 is optimized for low losses, N92 for high saturation currents in the output chokes. N87 is
suitable for standard requirements. For frequencies higher than 400 kHz, we recommend N49. Material (code number) AL values (nH) Piece 1 ELP ELP14/3.5/5 ELP18/4/10 ELP22/6/16 ELP32/6/20 ER ER9.5/2.5/5 ER11/2.5/6 ER14.5/3/7 ER18/3/10 ER23/5/13 ER24/5/8.5 ER25/6/15 ER26/6/8 ER32/5/21 EQ EQ13/3 EQ20/6 EQ25/6 EQ30/8 Piece 2 I I14/1.5/5 I18/2/10 I22/2.5/16 I32/3/20 ER or I ER9.5/2.5/5 ER11/2.5/6 ER14.5/3/7 ER18/3/10 I23/2/13 ER24/5/8.5 I25/3/15 ER26/6/8 ER32/5/21 I I13/1 I20/2 I25/2 I30/3 1550 25% 3400 25% 4450 25% 4600 25% 1750 25% 4400 25% 5750 25% 6000 25% 660 +30/ 20% 900 +30/ 20% 1100 +30/ 20% 1800 25% 2600 25% 1800 25% 3400 25% 1900 25% 3800 25% 840 +30/ 20% 1200 +30/ 20% 1500 +30/ 20% 2300 25% 3400 25% 2400 25% 4600 25% 2600 25% 5000 25% 900 25% 2300 25% 4000 25% 4800 25% 1300 25% 3000 25% 5250 25% 6300 25% N92 (92) N97 (97) Piece 1 or set ELP B66281G0000X1** B66453G0000X1** B66455G0000X1** B66457G0000X1** ER B65523J0000R0** B65525J0000R0** B65513J0000R0** B66480G0000X1** B6648
2G0000X1** B66352G0000X1** B66484G0000X1** B66508G0000X1** B66501G0000X1** EQ B66479G0000X1** B66483G0000X1** B66481G0000X1** B66506G0000X1** Piece 2 I B66281P0000X1** B66453P0000X1** B66455P0000X1** B66457P0000X1** ER or I (sets) (sets) (sets) B66480G0000X1** B66482P0000X1** B66352G0000X1** B66484P0000X1** B66508G0000X1** B66501G0000X1** I B66479P0000X1** B66483P0000X1** B66481P0000X1** B66506P0000X1**

Advantages
ELP cores: Standardized to IEC 61860 ER cores: Optimized winding area Small overall footprint (core and winding) Less EMI Minimized winding length EQ cores: Optimized cross section Small overall footprint (core and winding) Less EMI Minimized winding length

Ordering code