Power Source Guide 2017

The Power Source Guide includes the following technologies:  

AC/DC power supplies: Components/devices that convert an AC input to one or more DC outputs. Products are distinguished by their different output voltages and wattages and by use and form factor.  

Batteries: Electrochemical cells that can be charged electrically to provide a static potential for power or released electrical charge when needed.  

Capacitors: Passive electronic components consisting of a pair of conductors separated by a dielectric.  

Circuit protection devices: Devices that are used to stop current flow or open the circuit, including circuit breakers, fuses, and surge suppressors.  

Cooling devices: Devices involving the absorption of heat when current is sent through a junction of two dissimilar metals.  

DC/DC power supplies: Energy sources that generate DC power outputs when a DC input is applied. Products are distinguished by their input voltage ranges and wattages.  

Discrete semiconductors: These refer to bipolar junction transistors, insulated-gate bipolar transistors (IGBTs), gate-turn-off thyristors, silicon-controlled rectifiers, and distinct circuit components such as transistors, Schottky diodes, diodes, rectifiers, thyristors, triacs, and MOSFETs.  

Resistors: Passive two-terminal electrical components that implement electrical resistance as a circuit element. Resistors reduce current flow and, at the same time, lower voltage levels within circuits.  

Transformers: Electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.

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