Capacitors, Resistors, and Potentiometers Distributed by Area51
Area51 is a distributor for many leading franchised lines of capacitors, resistors and potentiometers. They offer a wide range of different brands of capacitors, resistors and potentiometers including: ANGSTROHM/VISHAY, AMERICAN TECHNICAL CERAMICS, AVX, BOURNS, CAL-CHIP, CORNELL DUBLIER, DALE/VISHAY, ILLINOIS CAPACITOR, KEMET, MITSUBISHI/KAMAYA, MURATA, OHMITE, PANASONIC, ROEDERSTEIN/VISHAY, SPAGUE/VISHAY, UNITED CHEMICON, VENKEL, VISHAY, and VITRAMON/VISHAY. As Area51 is so passionate about satisfying the needs of their customers, they do not simply just specialize in the most current capacitor, resistor and potentiometer products, but they also carry capacitors, resistors and potentiometers that are obsolete, discontinued, or on the trailing edge. So it’s a very good bet that if you need a specific type of capacitor, resistor or potentiometer, Area51 can help you.
A capacitor is an electrical mechanism that stores energy. They typically consist of two electrodes that act as conductors (these are known as “plates”) that are separated by an insulator. When voltage travels through a capacitor, electric charges of opposite polarity are stored on each plate. With their ability to store energy, capacitors are very useful when used in electrical circuits.
Capacitors have many different functional uses in electric and electronic devices. Because of their ability to store energy, capacitors are used in electrical devices that use batteries as their primary energy source and store information by way of a volatile memory. In this configuration, a capacitor is used as a back up power source during the replacement of batteries to prevent the loss of the stored information. They are also used in power supplies to smooth the output current of a rectifier (a rectifier converts alternating current to direct current). Capacitors are a main component of charge pump circuits, lending their energy storage properties to vary a voltage from its input voltage. They also are key when used in the power circuits of electronic devices to absorb fluctuations in input current to provide a smooth supply of power when sent to the signal or control circuits.
Capacitors are also used to filter or process signals and frequencies. Capacitors by nature pass alternating current signals, but block direct current signals when applied with a charge, so they can be used to separate or de-couple the two current signals. In inductive circuits with no capacitors, a large enough inductance over an open circuit can cause a spark which can destroy components. Smaller circuits may not be seriously damaged, but will cause radio frequency interference. The inclusion of snubber capacitors or filter capacitors in the circuit absorbs the energy that would normally cause these problems.
Capacitors can even be used to represent information as stored energy in binary form, analog form or as dynamic random access memory. This is where capacitors find uses in integrated circuits and tuned circuits, such as a radio receiver.
An assembly of a number of low inductance high voltage capacitors known as capacitor banks have a wide array of military and weapon uses from radar and lasers to detonators in nuclear weapons. They are also at the forefront in the emerging technology of electromagnetic armor and pulsed energy weapons of the railgun and coilgun type.
A resistor, on the other hand, is an electrical device ideally designed not to facilitate capacitance like a capacitor. It contains two terminals within it. Resistors resist electric currents because a drop in voltage occurs between its terminals in accordance to Ohm’s law, which states that the electrical current that travels through a conductor’s terminals is in direct proportion to the voltage or drop in voltage that occurs between the two terminals and in inverse proportion to the resistance that occurs in the conductor between those two points. What this basically means is that the electrical resistance of a particular resistor is equal to the drop in voltage between the two terminals divided by the amount of current that is flowing through the resistor. Resistors, like capacitors, find many uses in electronic circuits and electric networks.
Generally, a resistor in a circuit restricts (or “resists”) the flow of electrical current through a circuit and redirects it into its two terminals, whereby the energy dissipates into heat. This will smooth out the current flowing through the circuit and makes it possible to keep it predictable, consistent and safer for the operation of electronic or electrical components that do not need so much voltage to operate, such as a light emitting diode. This is known as current limiting, and is just one of many different applications for resistors. Some other applications involve wiring two or more resistors together in a group to create an attenuator. This will reduce the power of a signal without too much of a distortion of its actual waveform. Resistors are also used at the end of electric transmission lines, where a resistor known as a line terminator is utilized to facilitate impedance matching, which reduces the reflections of a signal. Resistors are used to regulate the speed of DC engines. They are even the central component in the creation of electric heaters, due to a resistors heat dissipation qualities. This principle is known as resistive heating.
A potentiometer is a special type of resistor known as a variable resistor. Also known simply as a ‘pot’ for short, a potentiometers electrical resistance can be varied by rotating a shaft, or moving a slider control. They usually consist of either two or three terminals with an adjustable point of contact known as the ‘wiper’ being attached to the shaft (of which a control knob is attached to) or slider (of which a fader control is attached to). Usually a flat graphite ring (known as an annulus) provides the potentiometer with its resistive capabilities,
Because of resistive losses, regular potentiometers are not used to control objects that use large amounts of power. Instead, they find widespread use in varying the level of an analog signal (such as the volume control of a home stereo) or as an electronic circuit input control (such as in the typical light switch dimmer). The kind of potentiometer that is used for higher powered applications is known as a rheostat.
As with most electronic components, there is a wide array of different types and uses for potentiometers, and their variable resistive properties can taper off according to either linear or logarithmic laws. A linear potentiometer will create a potential resistance that is proportional to the distance between the wiper the end terminal. A logarithmic potentiometer contains a resistive element with a resistivity that varies from one end of the other. The voltage that goes through the potentiometer is a logarithmic function of the mechanical position of it.
Rheostats are usually much larger and can resist much higher levels of voltage. They typically consist of resistive wire wrapped around a doughnut shape object (this becomes known as a toroid coil), with the wiper contacting the surface of the toroid coil and moving along the windings of wire.
A capacitor is an electrical mechanism that stores energy. They typically consist of two electrodes that act as conductors (these are known as “plates”) that are separated by an insulator. When voltage travels through a capacitor, electric charges of opposite polarity are stored on each plate. With their ability to store energy, capacitors are very useful when used in electrical circuits.
Capacitors have many different functional uses in electric and electronic devices. Because of their ability to store energy, capacitors are used in electrical devices that use batteries as their primary energy source and store information by way of a volatile memory. In this configuration, a capacitor is used as a back up power source during the replacement of batteries to prevent the loss of the stored information. They are also used in power supplies to smooth the output current of a rectifier (a rectifier converts alternating current to direct current). Capacitors are a main component of charge pump circuits, lending their energy storage properties to vary a voltage from its input voltage. They also are key when used in the power circuits of electronic devices to absorb fluctuations in input current to provide a smooth supply of power when sent to the signal or control circuits.
Capacitors are also used to filter or process signals and frequencies. Capacitors by nature pass alternating current signals, but block direct current signals when applied with a charge, so they can be used to separate or de-couple the two current signals. In inductive circuits with no capacitors, a large enough inductance over an open circuit can cause a spark which can destroy components. Smaller circuits may not be seriously damaged, but will cause radio frequency interference. The inclusion of snubber capacitors or filter capacitors in the circuit absorbs the energy that would normally cause these problems.
Capacitors can even be used to represent information as stored energy in binary form, analog form or as dynamic random access memory. This is where capacitors find uses in integrated circuits and tuned circuits, such as a radio receiver.
An assembly of a number of low inductance high voltage capacitors known as capacitor banks have a wide array of military and weapon uses from radar and lasers to detonators in nuclear weapons. They are also at the forefront in the emerging technology of electromagnetic armor and pulsed energy weapons of the railgun and coilgun type.
A resistor, on the other hand, is an electrical device ideally designed not to facilitate capacitance like a capacitor. It contains two terminals within it. Resistors resist electric currents because a drop in voltage occurs between its terminals in accordance to Ohm’s law, which states that the electrical current that travels through a conductor’s terminals is in direct proportion to the voltage or drop in voltage that occurs between the two terminals and in inverse proportion to the resistance that occurs in the conductor between those two points. What this basically means is that the electrical resistance of a particular resistor is equal to the drop in voltage between the two terminals divided by the amount of current that is flowing through the resistor. Resistors, like capacitors, find many uses in electronic circuits and electric networks.
Generally, a resistor in a circuit restricts (or “resists”) the flow of electrical current through a circuit and redirects it into its two terminals, whereby the energy dissipates into heat. This will smooth out the current flowing through the circuit and makes it possible to keep it predictable, consistent and safer for the operation of electronic or electrical components that do not need so much voltage to operate, such as a light emitting diode. This is known as current limiting, and is just one of many different applications for resistors. Some other applications involve wiring two or more resistors together in a group to create an attenuator. This will reduce the power of a signal without too much of a distortion of its actual waveform. Resistors are also used at the end of electric transmission lines, where a resistor known as a line terminator is utilized to facilitate impedance matching, which reduces the reflections of a signal. Resistors are used to regulate the speed of DC engines. They are even the central component in the creation of electric heaters, due to a resistors heat dissipation qualities. This principle is known as resistive heating.
A potentiometer is a special type of resistor known as a variable resistor. Also known simply as a ‘pot’ for short, a potentiometers electrical resistance can be varied by rotating a shaft, or moving a slider control. They usually consist of either two or three terminals with an adjustable point of contact known as the ‘wiper’ being attached to the shaft (of which a control knob is attached to) or slider (of which a fader control is attached to). Usually a flat graphite ring (known as an annulus) provides the potentiometer with its resistive capabilities,
Because of resistive losses, regular potentiometers are not used to control objects that use large amounts of power. Instead, they find widespread use in varying the level of an analog signal (such as the volume control of a home stereo) or as an electronic circuit input control (such as in the typical light switch dimmer). The kind of potentiometer that is used for higher powered applications is known as a rheostat.
As with most electronic components, there is a wide array of different types and uses for potentiometers, and their variable resistive properties can taper off according to either linear or logarithmic laws. A linear potentiometer will create a potential resistance that is proportional to the distance between the wiper the end terminal. A logarithmic potentiometer contains a resistive element with a resistivity that varies from one end of the other. The voltage that goes through the potentiometer is a logarithmic function of the mechanical position of it.
Rheostats are usually much larger and can resist much higher levels of voltage. They typically consist of resistive wire wrapped around a doughnut shape object (this becomes known as a toroid coil), with the wiper contacting the surface of the toroid coil and moving along the windings of wire.
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