Power supply for Sizif-512 (9V,1A, 5.5mm/2.1mm, positive inner pin)

Switching power supply for the Sizif-512 board.

• output voltage: 9V
• max. current: 1A
• kind of output connector: 5.5mm / 2.1mm (positive inner pin)
• overvoltage and short circuit protection

Power supply designed for Sizif-512 motherboards with a sound card attached. When connecting external expansion cards, they must be included in the current balance. The Sizif-512 board itself draws 250mA, and with a sound card attached 500mA, it is protected by a 750mA polymer fuse.

Warning! 
The power supply is NOT designed for original ZX Spectrum computers (80's version) and may damage them! This is due to the reverse polarity of the power supply (minus in the middle) and the higher current draw of the original ZX Spectrum computers.