The TAMURA part 3FD-556 is a compact and versatile transformer designed for PC mount applications. With a power rating of 12VA, it provides reliable and efficient power conversion. The primary input voltage can be switched between 115VAC and 230VAC, and supports both 50Hz and 60Hz frequencies. The secondary output is 28.0-CT-28.0 volts, capable of delivering up to 0.22A of current. This transformer is perfect for a wide range of electrical and electronic applications, ensuring stable and regulated power supply.