Spare MosFETs for the driver boards

Coil drivers are logic-level N-channel parts: 12N10L or IRL530, with 20N10L, 22NE10L or IRL540 as stronger upgrades. They must not have an F in the number. The lamp/switch strobe drivers are 12P06 or IRF9530, and that one does carry the F.

Systems

• Gottlieb System 3

Related tips

• Only logic-level (L) MosFETs work on the driver board
• Logic-level MOSFET equivalents: 12N10L, 20N10L, 22NE10L, IRL530, IRL540
• What the A3 driver board drives
• Cue Ball Wizard: coils holding on weakly (BUZ72L MosFETs)
• Magnet driver MOSFETs on Last Action Hero and Guns N' Roses
• Whitestar flipper weak or dead after a MOSFET swap: fake part, test with TPL1
• The A11 auxiliary driver board
• Last Action Hero / Guns N' Roses: magnet dead or locked on

Source: Repairing Gottlieb System 3 Electronic Pinball Games from 1989 to 1996, Clay Harrell (pinrepair.com)