
Model A and B distributors used similar-but-different condensers. The Model A had an internally threaded end and the mounting bracket was soldered on the end of the can, whereas the Model B had a pigtail lead and had the attaching bracket positioned at mid-length.
The May 29, 1930 detail drawing of A-12300 indicates the condenser to be either a Bosch CD-77949, or an Auto-Lite 1GF-2004.
Detailed below are the published capacitance values for Model A and B distributor ignition condensers as found in the Ford documentation.
| Condenser | Capacitance (Microfarads) |
|---|---|
| Model A A-12300 |
0.20 - 0.25 |
| Model B B-12300 |
0.20 - 0.25 |