This page (newly created and soon to be updated) will be a long list of components used in electronic circuits.
I will mostly order them in the order that I think it is best to learn about them. But of course, it is best to start with whatever interests you most. Or with whatever is required in circuits that you are interested in.
For purposes of this page, a component is considered being anything that is used as part of an electronic circuit.
General circuit parts:
- Power Source.
- Bench power supply.
- Alternatives (lots of options)
Basic passive components
Passive components generally respond in a straightforward way to the voltage across them and the current through them.
- Resistor – Current through resistor is determined by the voltage across it. Resistor component
- Rated value:
- Rated value:
- Light Dependent Resistor (LDR).
- Diode and LED – Current flows easily while forward biased (FB) and blocks current while reverse biased (RB). LED lights up during FB conduction. Diode and LED components
- Photodiode. Photodiode electronics component demonstration circuit
- Zener diode.
- Schottky diode.
- Capacitor – Voltage and stored charge is determined by the current put into it.
- RC time constant.
- Voltage ramp.
- Ultra/Super capacitors. Capacitors large enough to store a lot of short term power.
- Inductor – Slows down the rate of change of current.
Basic active components:
Active components generally pass power (voltage/current) to other circuitry determined by a signal given to it.
“Jelly bean” is something that you will find certain active components being referred to. It means that it is a component that one is expected to understand well if they have been studying circuits that use that type of component. Usually lots of manufacturers make it (the same part number) virtually the same as the other manufacturers, and it is low priced.
Almost of the components I use in my YouTube videos and refer to on this site would be called jelly bean components.
- Bipolar Junction Transistors (BJTs) Bipolar Junction Transistor (BJT)
- NPN BJT
- PNP BJT
- NPN BJT
- BJT circuits:
- Current source.
- voltage/Emitter follower.
- Field Effect Transistors (FETs)
- N Channel Enhancement Mode.
- P Channel Enhancement Mode.
- Other types (not as common)
There’s lots of integrated circuits out there. The ones that I list below will just be a small sampling of commonly known ICs. You need to look up the datasheet of the component that you want to use in order to verify that it has the electrical properties you want and can handle the power (voltage and current) that you need.
- 555 timer:
- NE555 SE555 and µA555.
- LM555 and LMC555.
- Op amp: Op amp comparator circuits – Inverting and non inverting
- Comparators: Comparator
- Logic gates (Buffer, NOT, AND, NAND, OR, NOR, XOR, XNOR). Common versions of 7400 (74xx00) series ICs are 74HCxx High Speed CMOS (HC) and 74LSxx Low Power Schottky (LS).
- 7400 (including 74HC00, 74LS00 etc.): Quad 2 input NAND gate
- 7414 (74xx14): Hex inverter gate with Schmitt trigger input
Used heavily for learning electronics or quickly testing a circuit while being able to quickly modify it. Metal on metal contact is limited.
- Prototype breadboard
- Jumper wires/cables
- Alligator clips
Long term but easily removeable connectors:
- Barrel plug
- Screw terminal
- Banana plug
- Binding post
- Heat shrink (typically wraps other connection types tightly).
Power Source options:
- DC power supply (typically powered by household AC outlet)
- Portable power bank: Not very large battery pack with USB and maybe other DC outlets. Some versions have low wattage AC and/or can jumpstart a vehicle.
- Portable battery station/generator: Larger battery unit that can produce household voltage AC and usually a variety of DC options. Sometimes called a solar generator, because it is usually easy to recharge them with solar panels.
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