Power Electronics
High Isolation Transformers in SMT Package

High Isolation Transformers in SMT Package

Pulse Electronics Corporation introduces a new series of high isolation switch mode transformers that come in a standard SMT package. Pulse Electronics' PH9185 series provides a reinforced insulation power supply that's compatible with the MAXIM MAX253 to power RS-485/RS-232 transceivers. The transformers operate in a fixed duty cycle push-pull topology that delivers lower power (up to 3 W) from a low voltage source and a working voltage up to 4000 V, with 5000 V isolation and only 8 mm creepage. These low cost, efficient transformers offer high power density and safety isolation for use in industrial control systems, building automation, smart grid, surveillance, automotive, renewable energy, and aeronautics applications.

Pulse's switch mode high isolation transformers are RoHS compliant and meet standard EIA481 requirements. They have been certified by UL to comply with UL60950-1 2 edition, by CAN/CSA C22.2 NO. 60950-1-07 2 edition, and by TUV to comply with EN61558-1 and EN61558-2-16 with reinforced insulation. 4000Vrms isolation voltage is guaranteed to meet this requirement. They are available in tape-and-reel packaging. Lead time is eight weeks. 

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