Electronic Components Flash Cards

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resistors

potentiometer (pot)

trimpot

(LDR) light dependent resistor

(Greencap) polyester capacitor

capacitor

MKT polyester capacitors

ceramic capacitor

electrolytic

variable

transistors

power transistor

Diode

light emitting diodes

LED display

zener diodes

(FET) field effect transistors

integrated circuits

three terminal regulators

inductors

transformers

heatsink

electret microphone

loudspeaker

relay

switch slider
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is a variable resistor. it has three terminals and is rotary control shaft(spindle). Rotating this shaft varies the position of a wiping metal contact on a circular carbon resistance track inside the components body, this determines the resistance between the wiper( central terminal ) abd the two outer terminals.

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is used to regulate the amount of current flowing in a circuit.

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a capacitor that use polyester plastic film as their insulating dielectric. they are not polarised

a type of Pot which, while variable is intended to be adjuted once or only occasionally. For this reason a control shaft is not included, but unstead a slot or cross cutout is provided in the centre of the wiper rotor so it can be adjusted using a small screwdriver.

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this component comes in a variety of types but they all, block DC signals while allowing varying AC signals to pass through

these capacitors use a disk of ceramic (porcelain) material for there insulating dielectric . these capacitors are not polarised. and are often used in radio frequencies and filter circuits

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a type of resistor that varies its resistance value according to the amount of light falling on it, the component will have high resistance when the surroundings are dark, and the resistance will lower as light intensity increased

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this type of capacitor are another typecof capacitor that are rectangular block shaped. these capacitors have standardised lead spacings and are used in pc boards. these. capacitors are not polarised

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