Electronic Components and Connectors | Passive, Active | Resistors, Varistors, Inductors, MLCC Capac Connector plating chemistry and post treatment for Nickel, Gold, Silver, Palladium, Palladium Nickel, Rhodium, Tin and Indium. Passive Components Plating Chemistry and Post Treatments for Nickel, Tin, and Tin/Lead. Plating solutions for ECLC (Electronic Components, Lead Frames, and Connectors) represent the heart of Technic's business and technology focus and our core customer base.