Power transformers offer 2.5KV isolation for interface applications

11th September 2015
Jordan Mulcare

Pulse Electronics introduces a series of power transformers that offers isolation to communication interfaces such as RS485, CAN, MODBus, and ProfiBus for automation, automotive and smart grid applications. The PH9085 series is part of Pulse Electronics' isolation transformer line that offers a range of insulation (functional to reinforced) and isolation (up to 5KVrms) capabilities.

"Industrial communications interfaces provide isolation to protect peripheral devices from the hazardous voltages created by noisy environments," explained Gerard Healy, Product Manager, Pulse Electronics Power Business Unit. "The PH9085 series uses fully insulated wire to deliver a safe voltage to transceiver circuitry, providing 2500Vrms isolation to the user/operator. These transformers are compatible with various push-pull driver ICs such as Maxim's MAX253, Texas Instruments' SN6501 and UCC2808 and Analog Devices' ADuM4070 and ADuM447x."

The PH9085 is a push-pull transformer that comes in an industry standard platform as a compact, surface mount package of 8x7x5mm. It provides a direct cross to the Wurth Elektronik's 760 390, Halo's TGM-2xNSLF and Murata's 78 253 series of isolation transformers. The transformers are RoHS6 compliant and meet standard EIA481 requirements. They are available in tube and tape-and-reel packaging.

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