is an innovative global electronics company supplying the world's leading manufacturers in the transportation, industrial, aerospace, defence and medical markets. The TT Electronics technology portfolio is one of the most comprehensive in the industry, supplying passive components (fixed and variable resistors, magnetics), discrete semiconductors (optoelectronics, diodes, MOSFETs) and connectors from brands including AB Connectors, BI Technologies, IRC, Optek, Semelab and .Welwyn Components.