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Various components |
An electronic component is a basic electronic element usually packaged in a discrete form with two or more connecting leads or metallic pads. Components are intended to be connected together, usually by soldering to a printed circuit board, to create an electronic circuit with a particular function (for example an amplifier, radio receiver, or oscillator). Components may be packaged singly (resistor, capacitor, transistor, diode etc.) or in more or less complex groups as integrated circuits (operational amplifier, resistor array, logic gate etc.)
Components
Very often electronic components are mechanically stabilized, improved in insulation properties and protected from environmental influence by being enclosed in synthetic resin
Components may be passive or active: * Passive components are those that do not have gain or directionality.[1] In network analysis they are called electrical elements. * Active components are those that have gain or directionality, in contrast to passive components, which have neither. They include semiconductor devices and vacuum tubes (valves).
Terminals and connectors
Devices to make electrical connection * Terminal * Connector * Socket * Screw terminal, Terminal Blocks * Header
Cords
Cables with connectors or terminals at their ends * Power cord * Patch cord * Test lead
Switches
Components that may be made to either conduct (closed) or not (open) * Switch - manually operated switch * Keypad - small array of pushbutton switches * Relay - Electrically operated switch. This is a mechanical component, unlike the Solid State Relay * Reed switch - Magnetically activated switch * Thermostat - Thermally activated switch * Circuit Breaker - Over-current activated switch *