What are TCA connectors? Meet the Connector: TCA Connectors  TCA connectors, or thermal compression anisotropic (TCA) connectors, are technically not connectors, but rather a termination technique. This seldom-used process was devised in the 1970s for use in electronics and telecommunications applications. TCA connectors use a liquid strip or solid pad of conductive material to create … Continue reading What are TCA connectors?