Capacitors are a passive electronic component that stores energy in the form of an electrostatic field. In its simplest form, a capacitor consists of two conducting plates separated by an insulating material called the dielectric. The capacitance is directly proportional to the surface areas of the plates, and is inversely proportional to the separation between the plates. Capacitance also depends on the dielectric constant of the substance separating the plates. Capacitors can be fabricated onto integrated circuit (IC) chips. They are commonly used in conjunction with transistors in dynamic random access memory (DRAM). The capacitors help maintain the contents of memory. Because of their tiny physical size, these components have low capacitance. They must be recharged thousands of times per second or the DRAM will lose its data. Large capacitors are used in the power supplies of electronic equipment of all types, including computers and their peripherals. In these systems, the capacitors smooth out the rectified utility AC, providing pure, battery-like DC. Our product portfolio includes tantalum capacitors, film capacitors and ceramic capacitors, and electrolytic capacitors.

Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment. A potentiometer (colloquially known as a "pot") is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider. If only two terminals are used (one side and the wiper), it acts as a variable resistor or rheostat. Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick. Potentiometers are rarely used to directly control significant power (more than a watt). Instead they are used to adjust the level of analog signals (e.g. volume controls on audio equipment), and as control inputs for electronic circuits. For example, a light dimmer uses a potentiometer to control the switching of a TRIAC and so indirectly control the brightness of lamps. Our trimming potentiometers can be divided into single-turn potentiometers and multi-turn potentiometers, which include the series of 3006, 3262, 3266, 3262, 3314, 3313,3224, 3269, 3296, 3299, 3303, 3306, 3309, 3318, 3323, 3329, 3362, 3386, 3540, and 3590.

LED's proprietary characteristics determine their ideal suitability in a wide range of application. Due to the rich variety in colors, small size, durability, energy savings, LEDs are perfect light source for decorative application. Attached on a PCB, flexible cable, or other desired materials; LEDs can be used for light source of channel letter, signs, border light, light tube and so on. With the advance of the white light LED technology, an array of white light LEDs assembled in a certain way are now bright enough to be used for domestic illumination, such as light, table lamp, and garden lamp etc. A typical application of LEDs is for message display or large-scale display screen, which are popularity used in sport fields, airports, business centers and so on. The largest LED display in the world is 36mm high, at Times Square, Manhattan. Because of LED's small size and low power consumption, they are perfect light source for LCD backlight. Elecsound can offer SMD led, Led bar, indoor led, outdoor led display and high power led.

PCB is a printed circuit board, also known as a printed wiring board. It is used in electronics to build electronic devices. PCB serves two purposes in the construction of an electronic device; it is a place to mount the components and it provides the means of electrical connection between the components. PCB starts out as a thin, non-conducting sheet of material. The most common material used is a glass fiber epoxy laminate material. A thin layer of copper is then chemically deposited on each side of this material. It is also more common now for parts to be soldered directly to the board, eliminating the need for holes into which leads (wires) from the components must be inserted. A component soldered to the board is logically called a surface mount component, and the PCB is a surface mount PCB. This technique allows a large increase in the number of components to be mounted on the same PCB, or the same number of components to be mounted on a much smaller PCB. However, surface mounting also requires better quality control on the manufacture of the PCB. PCB is now used in almost every electronic product available. It is by far the most common method currently used to connect and assemble the components of almost any electronic device. Elecsound specializes in single-side PCB, double-side PCB, 4 layers PCB to 8 layers PCB.

Resistor is a two-terminal electronic component that produces a voltage across its terminals that is proportional to the electric current passing through it in accordance with Ohm's law. Resistors are elements of electrical networks and electronic circuits and are ubiquitous in most electronic equipment. Practical resistors can be made of various compounds and films, as well as resistance wire (wire made of a high-resistivity alloy, such as nickel/chrome). The primary characteristics of a resistor are the resistance, the tolerance, maximum working voltage and the power rating. Other characteristics include temperature coefficient, noise, and inductance. Resistors can be integrated into hybrid and printed circuits, as well as integrated circuits. Size and position of leads (or terminals) are relevant to equipment designers. Elecsound can offer carbon film resistors, metal film resistors, cement type resistors, Metal Oxide film resistors and SMD resistors.

Varistor is an electronic component with a significant nonlinear current–voltage characteristic. The name is a portmanteau of variable resistor. Varistors are often used to protect circuits against excessive transient voltages by incorporating them into the circuit in such a way that, when triggered, they will shunt the current created by the high voltage away from the sensitive components. A varistor is also known as Voltage Dependent Resistor or VDR. A varistor’s function is to conduct significantly increased current when voltage is excessive. Elecsound can manufacture 5mm, 7mm, 10mm, 14mm and 20mm dipped varistors.

Integrated circuit (IC), sometimes called a chip or microchip, is a semiconductor wafer on which thousands or millions of tiny resistors, capacitors, and transistors are fabricated. An IC can function as an amplifier, oscillator, timer, counter, computer memory, or microprocessor. A particular IC is categorized as either linear (analog) or digital, depending on its intended application. Elecsound can provide various original IC with the 30-day quality guarantee for every precious customer.

Capacitors are a passive electronic component that stores energy in the form of an electrostatic field. In its simplest form, a capacitor consists of two conducting plates separated by an insulating material called the dielectric. The capacitance is directly proportional to the surface areas of the plates, and is inversely proportional to the separation between the plates. Capacitance also depends on the dielectric constant of the substance separating the plates. Capacitors can be fabricated onto integrated circuit (IC) chips. They are commonly used in conjunction with transistors in dynamic random access memory (DRAM). The capacitors help maintain the contents of memory. Because of their tiny physical size, these components have low capacitance. They must be recharged thousands of times per second or the DRAM will lose its data. Large capacitors are used in the power supplies of electronic equipment of all types, including computers and their peripherals. In these systems, the capacitors smooth out the rectified utility AC, providing pure, battery-like DC. Our product portfolio includes tantalum capacitors, film capacitors and ceramic capacitors, and electrolytic capacitors.

Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment. A potentiometer (colloquially known as a "pot") is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider. If only two terminals are used (one side and the wiper), it acts as a variable resistor or rheostat. Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick. Potentiometers are rarely used to directly control significant power (more than a watt). Instead they are used to adjust the level of analog signals (e.g. volume controls on audio equipment), and as control inputs for electronic circuits. For example, a light dimmer uses a potentiometer to control the switching of a TRIAC and so indirectly control the brightness of lamps. Our trimming potentiometers can be divided into single-turn potentiometers and multi-turn potentiometers, which include the series of 3006, 3262, 3266, 3262, 3314, 3313,3224, 3269, 3296, 3299, 3303, 3306, 3309, 3318, 3323, 3329, 3362, 3386, 3540, and 3590.

LED's proprietary characteristics determine their ideal suitability in a wide range of application. Due to the rich variety in colors, small size, durability, energy savings, LEDs are perfect light source for decorative application. Attached on a PCB, flexible cable, or other desired materials; LEDs can be used for light source of channel letter, signs, border light, light tube and so on. With the advance of the white light LED technology, an array of white light LEDs assembled in a certain way are now bright enough to be used for domestic illumination, such as light, table lamp, and garden lamp etc. A typical application of LEDs is for message display or large-scale display screen, which are popularity used in sport fields, airports, business centers and so on. The largest LED display in the world is 36mm high, at Times Square, Manhattan. Because of LED's small size and low power consumption, they are perfect light source for LCD backlight. Elecsound can offer SMD led, Led bar, indoor led, outdoor led display and high power led.

PCB is a printed circuit board, also known as a printed wiring board. It is used in electronics to build electronic devices. PCB serves two purposes in the construction of an electronic device; it is a place to mount the components and it provides the means of electrical connection between the components. PCB starts out as a thin, non-conducting sheet of material. The most common material used is a glass fiber epoxy laminate material. A thin layer of copper is then chemically deposited on each side of this material. It is also more common now for parts to be soldered directly to the board, eliminating the need for holes into which leads (wires) from the components must be inserted. A component soldered to the board is logically called a surface mount component, and the PCB is a surface mount PCB. This technique allows a large increase in the number of components to be mounted on the same PCB, or the same number of components to be mounted on a much smaller PCB. However, surface mounting also requires better quality control on the manufacture of the PCB. PCB is now used in almost every electronic product available. It is by far the most common method currently used to connect and assemble the components of almost any electronic device. Elecsound specializes in single-side PCB, double-side PCB, 4 layers PCB to 8 layers PCB.

Resistor is a two-terminal electronic component that produces a voltage across its terminals that is proportional to the electric current passing through it in accordance with Ohm's law. Resistors are elements of electrical networks and electronic circuits and are ubiquitous in most electronic equipment. Practical resistors can be made of various compounds and films, as well as resistance wire (wire made of a high-resistivity alloy, such as nickel/chrome). The primary characteristics of a resistor are the resistance, the tolerance, maximum working voltage and the power rating. Other characteristics include temperature coefficient, noise, and inductance. Resistors can be integrated into hybrid and printed circuits, as well as integrated circuits. Size and position of leads (or terminals) are relevant to equipment designers. Elecsound can offer carbon film resistors, metal film resistors, cement type resistors, Metal Oxide film resistors and SMD resistors.

Varistor is an electronic component with a significant nonlinear current–voltage characteristic. The name is a portmanteau of variable resistor. Varistors are often used to protect circuits against excessive transient voltages by incorporating them into the circuit in such a way that, when triggered, they will shunt the current created by the high voltage away from the sensitive components. A varistor is also known as Voltage Dependent Resistor or VDR. A varistor’s function is to conduct significantly increased current when voltage is excessive. Elecsound can manufacture 5mm, 7mm, 10mm, 14mm and 20mm dipped varistors.

Integrated circuit (IC), sometimes called a chip or microchip, is a semiconductor wafer on which thousands or millions of tiny resistors, capacitors, and transistors are fabricated. An IC can function as an amplifier, oscillator, timer, counter, computer memory, or microprocessor. A particular IC is categorized as either linear (analog) or digital, depending on its intended application. Elecsound can provide various original IC with the 30-day quality guarantee for every precious customer.