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French Mazda code

Two letters folowed by three or four figures

1st letter - heater voltage A 1V
B 2V
D 4V
E 5V
F 6V
G 7V
2nd letter - heater current W 0.2A and above
X 0.15A
Y 0.1 to 0.14A
Z 0.05A
1st two figures Amplification factor (single digit if <10)
Last two figures Internal resistance in kilohms

This file was last modified 11:45:56, Thursday April 14, 2022