Ordering the right coil
A coil is identified by the game maker and the part number printed on its wrapper; the digits encode the winding, wire size, voltage, size and lug layout. Flipper coils have three lugs, other coils two. Order by that number, or by the name of the relay or mechanism.
Systems
- Williams System 3
- Williams System 4
- Williams System 6 / 6A
- Williams System 7
- Williams System 9
- Williams System 11
- Williams System 11A
- Williams System 11B
- Williams System 11C
- WPC Alpha-Numeric
- WPC Dot Matrix
- WPC Fliptronics
- WPC DCS
- WPC-Security (WPC-S)
- WPC-95
- Bally MPU AS-2518-17
- Bally MPU AS-2518-35
- Stern MPU-100
- Stern MPU-200
- Bally 6803
- Gottlieb System 1
- Gottlieb System 80
- Gottlieb System 80A
- Gottlieb System 80B
- Gottlieb System 3
- Data East CPU Version 1/2
- Data East CPU Version 3
- Data East/Sega CPU Version 3b
- Capcom
- Electro-mechanical
Related tips
- Testing the diode on a coil
- Coil diode polarity
- Reading a gauge-and-turns coil number
- Wiring a replacement coil the right way round
- Renewing coil sleeves on action coils
- Bobbin size labels in the coil chart
- Protect coil diodes with a heat sink
- Diodes on coils: EM and solid-state coils are not interchangeable as-is
Source: Pinball Machine Care & Maintenance, Bernard B. Kamoroff (Bell Springs Pinball Alley)