Gottlieb relay coil equivalents and resistance
Equivalent groups (ohms, use). 15 ohms, the common general-purpose relay: R20-4 or A-9735 or A-7676 or A-7835 or A-5662 or A-3891 or A-489. 25 ohms, 30 V hold and coin lockout: R20-5 or A-9736 or A-7677. 10 ohms, tilt: R20-3 or A-9742 or A-7834 or A-1084. 2.5 ohms, interlock wired in series with another relay: R20-2 or A-7688 or A-9733 or A-487. 1.5 ohms, series use: R20-1 or A-9746. About 385 ohms, the 120 V R and S relays: R20-6 or A-5294 or A-3890. 22 ohms, used for credit hold, pop and vari-target relays: A-9740 or A-6698 or A-7846. 32 ohms, 110 V or 30 V hold: A-9738 or A-7836 or A-3498. A-1119 is 2.1 ohms for series use. A-6821 and A-5457 are listed as general relays with no resistance given.
Systems
Related tips
- Relay coil resistance and frame sizes
- Momentary and hold relays, and the coil resistance a hold relay needs
- Gottlieb relay and general-purpose coil windings
- Gottlieb relay return springs
- Relay banks and their reset coil
- Gottlieb AS relay (miniature match stepper)
- Gottlieb Ax/Bx/Dx relays, coin unit and player unit: what each does
- What the Gottlieb reset bank does and which relays to clean
Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part Two, Clay Harrell (pinrepair.com)