The PLT09HN2003R0P1B is a 9 mm x 20 mm high performance, low profile, flat top planar transformer from Murata. It is designed for use with 5 V systems, and has a rated primary turns ratio of 1:1 and an inductance of 4.2 µH. The transformer has a wide temperature range of -40°C to +125°C, and is suitable for high density mounting. It has an isolation voltage rating of 3000 Vrms, and a maximum input power of 350 mW.