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Parts comparison: UC1875, UC2875, and UC3875

Genius 14729 points

Hi Experts,

Good day.

Hope you can help us. Were having a hard time comparing the three GPNs phase shift resonator controller. This info sheet (LINK) is not clear in comparing those devices.

Maybe in the screening process or the engraving technique. Any thoughts?

Thank you for your help.

Regards,
Archie A.

  • Hello,

    The UCX875 devices are an old family of FSFB controllers from Unitrode.  The device function and pinout is different and the devices were designed to operate over three different teampature ranges.   Parametrically they are the same however, they are only designed to operate over specific teampature range.   The teampature ranges are specified below.

    Regards,