91 Series Connectors Yazaki 91 Series Connectors offer 0.8mm to 9.5mm tab widths for the male terminals and come in unsealed and sealed (waterproof) options. The 91 series features numbers variations, including A Type, TK Type, RV Type, RK Type, M-LC Type, and L-MC Type. Yazaki 91 Series Connectors provide housing with internal lances and a rear holder for secure terminal positioning.