4 layers137.4 × 199.1 mm

St251n 20603
schlae/HardDriveInfo
Repair info and schematics for mostly older MFM hard drives
277 parts38
Boards in 1 GitHub repository, designed in KiCad, that use the IRFD110 by Texas Instruments (-55℃~+175℃ 1 N-channel 100V 180pF 1A 20pF 4V 600mΩ@10V 7nC@10V N-Channel DIP-4 MOSFETs). See how each wires it, with its parts, size, README and files; the IRFD110’s symbol, footprint and pinout are on its own page.

schlae/HardDriveInfo
Repair info and schematics for mostly older MFM hard drives

schlae/HardDriveInfo
Repair info and schematics for mostly older MFM hard drives

schlae/HardDriveInfo
Repair info and schematics for mostly older MFM hard drives