... Key Specifications/Special Features:Dimensions in mm (inches): A, B, C1, C2, E1, E2, E3, F, FIG RM-4: terminal pins = ... pins = 6, A=13.5, B=18.5, C1=1.8, C2=3.6, E1=14.4, E2=18, F=20 ... terminal pins = 12, A=17.5, B=23.5, C1=3.6, C2=7.2, E1=14.4, E2=18, E3=21 ... terminal pins = 12, A=19.6, B=28.5, C1=3.6, C2=7.2, E1=18, E2=21.6, E3=25 ... terminal pins = 12, A=24.5, B=38.5, C1=3.6, C2=10.8, E1=21.5, E2=28.7, E3 ...