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Bourns pulse transformers for isolated power supplies

06.03.2020

Bourns has announced a new series of isolation transformers, the HCT series push-pull transformers, to power isolated CAN, RS-485, RS-422, RS-232, SPI, I2C, and low power LAN interfaces.

A feature of the series is the air gap between the primary and secondary windings increased to 8 mm, which allows to provide insulation voltage Vrms=4200 V (for 60 s). HCT series transformers comply with IEC 60950-1, IEC 62368-1, IEC 60664-1 and AEC-Q200.

The HCTs are designed for use with the SN6501, SN6505B, and SN6505D drivers from Texas Instruments, and the MAX256, MAX258, MAX13253, and MAX13256 drivers from Maxim Integrated. In addition to supplying interfaces, HCTs can be used in medical equipment (sensors), industrial automation devices (DC/DC converters), and other applications where isolation from high voltages is required.

Key Features:

Input voltage: 3,3...5 V;
Output voltage: 3,3...15 V (at I=350 mA);
Operating voltage: 800V;
Insulation voltage: 4200V;
Operating temperature: -40°С...125°С.

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