... Transformer Key Specifications/Special Features:Dimensions in mm (inches): A, B, C1, C2, E1, E2, E3, F, FIG RM-4: ... : terminal pins = 12, A=17.5, B=23.5, C1=3.6, C2=7.2, E1=14.4, E2=18, E3 ... : terminal pins = 12, A=19.6, B=28.5, C1=3.6, C2=7.2, E1=18, E2=21.6, E3 ... =2 RM-12: terminal pins = 12, A=24.5, B=38.5, C1=3.6, C2=10.8, E1=21 ... FIG=1 RM-12-1: terminal pins = 12, A=23.7, B=38.5, C1=33, E1=5.08, E2=5.1 ...