Coilcraft (Cary, IL) has released two new series of surface-mount planar transformers for power over Ethernet (PoE) and -48V network power applications. The PL160 Series is rated for 160 Watts between 200 kHz and 700 kHz with a nominal 48 V input, and the PL300 Series is rated to 300 Watts. Features include:
• DCR as low as 7.2 mOhms.
• Leakage inductance as low as 0.20 µH.
• 1500 Vrms primary-to-secondary isolation and 0.009 inch (0.229 mm) clearance above the seating plane.
For more information on the surface-mount planar transformers www.coilcraft.com.