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Electrical connector, a device for joining electrical circuits together (sometimes known as ports, plugs, or interfaces) . We have connectors of all types, including D-sub, fiber optic, automotive, circular, audio and video, RF, telecom, power, and USB. We also carry a large selection of connector terminals and terminal blocks, as well as backshells and accessories of all types.

XIDA Electronics shop a huge selection of memory chips, cards, and specialized memory modules for every application, including ROM chips and RAM and DRAM chips of every variety, Flash cards, FIFO, memory modules and more.

Sort by capacity, data bus width, access time, operating voltage, packaging, pin count and more. Find memory products for a wide variety of interface types and read/write operation demands, including rugged memory components. We stock memory products suitable for servers, personal computing, residential, commercial and industrial applications, and more.

A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike a logic gate, which has a fixed function, a PLD has an undefined function at the time of manufacture. Before the PLD can be used in a circuit it must be programmed, that is, reconfigured.

Power management integrated circuits (power management ICs or PMICs or PMU as unit) are integrated circuits (or a system block in a system-on-a-chip device) for managing power requirements of the host system. Thus PMIC refers to a wide range of chips, however most include some form of electronic power conversion and/or relevant power control functions. A PMIC is often included in battery-operated devices such as mobile phones and portable media players to decrease the amount of space required.

An analog chip is a set of miniature electronic analog circuits formed on a single piece of semiconductor material.
The voltage and current at specified points in the circuits of analog chips vary continuously in time. In contrast, digital chips only use and create voltages or currents at discrete levels, with no intermediate values. In addition to Transistors, analog chips often have a larger number of passive elements (Inductor/Capacitors/Resistors) than digital chips typically do. Inductors tend to be avoided because of their large size, and a transistor and capacitor together can do the work of an inductor. (When this method is used in a CFL, you get electronic ballast.)
Analog chips may also contain digital logic elements to replace some analog functions, or to allow the chip to communicate with a microprocessor. For this reason and since logic is commonly implemented using CMOS technology, these chips use BiCMOS processes by companies such as Freescale, Texas Instruments, STMicroelectronics and others. This is known as mixed signal processing and allows a designer to incorporate more functions in the chip. Some of the benefits include load protection, reduced parts count and higher reliability.
Pure analog chips in information processing have been mostly replaced with digital chips. Analog chips are still required for wideband signals on account of sampling rate requirements, high power applications and at the transducer interfaces. Research and industry in the field continues to grow and prosper. Some examples of long-lived and well-known analog chips are the 741 Operational Amplifier, and the 555 timer.
Power supply chips are also considered to be analog chips. Their main purpose is to produce a well-regulated output voltage supply for other chips in the system. Since all electronic systems require electrical power, power supply ICs PMICs are important elements of those systems.

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide over current protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby interrupting the current. It is a sacrificial device; once a fuse has operated it is an open circuit, and it must be replaced or rewired, depending on type.
Fuses have been used as essential safety devices from the early days of electrical engineering. Today there are thousands of different fuse designs which have specific current and voltage ratings, breaking capacity and response times, depending on the application. The time and current operating characteristics of fuses are chosen to provide adequate protection without needless interruption. Wiring regulations usually define a maximum fuse current rating for particular circuits. Short circuits, overloading, mismatched loads, or device failure are the prime reasons for fuse operation.
A fuse is an automatic means of removing power from a faulty system; often abbreviated to ADS (Automatic Disconnection of Supply). Circuit breakers can be used as an alternative design solution to fuses, but have significantly different characteristics.

An amplifier is an electronic device that increases the amplitude of an electrical signal. They are categorized in respect to their ability to effectively amplify either a voltage or current input signal. A voltage amplifier amplifies the input voltage signals and produces a larger output voltage. Current amplifiers, also known as transimpedance amplifiers, sense the currents at the inputs, and output a voltage to the load. Transconductance and Transresistance Amplifiers swap this effect – an input voltage or current produces a larger output current or voltage respectively.

One key performance parameter of an amplifier is its linearity, or its ability to accurately represent the input with the same shape signal in the time domain at the output. Other key performance parameters include the slew rate, frequency response, noise, and gain bandwidth.

Amplifiers are classified as A, AB, B, C, D and E. The class represents the amount of variation an output signal has over one cycle if the input is a sinusoidal waveform. The more linear an amplifier is, the lower the distortion product. Class A is the most linear and class C is the least linear. Class C is not suitable for audio applications and typically is used in products like RF transmitters. Classes D and E are switching amplifiers that can utilize output circuit stages containing harmonic resonators, multiple supply rail switching, complimentary output techniques, and PWM and delta-sigma modulation to increase efficiency and reconstruct the input waveform at the output.

A keyswitch is a type of small switch used for keys on keyboards. These are now largely out of use due to most modern keyboards using sheets of plastic with contacts on them
Key switch is also used to describe a switch operated by a key, usually used in burglar alarm circuits. A car ignition is also a switch of this type.

Relays are electromechanical switches that can be actuated by an electrical signal rather than by manually opening or closing the switch. This small signal acts as a gatekeeper for a much larger electrical signal. The ability to have low-power control over a high-power signal is what makes them such prominent electrical components.

Transistors are three-terminal devices that can be made in bipolar junction (BJT) form, or more commonly as complimentary metal-oxide-semiconductor (CMOS). They are created by adjoining n-type and p-type semiconductors in either the PNP or NPN configuration. Typically a voltage is applied to a gate terminal allowing current to flow through the device where the transistor functions similarly to a switch. They are used in digital systems to implement logic gates and store data. Analog circuits use them to create amplifiers and oscillators.

A diode is a two-terminal device that exists anywhere p-type and n-type semiconductors are directly adjoined to each other. Applying a positive voltage to the anode will not produce any significant current until the diode’s threshold voltage is exceeded. Once the threshold voltage is exceeded current will be allowed to flow from the anode to the cathode but the diode will block current flow from the cathode to the anode under most conditions. They are used in AC-DC transformers, radios, electro-static discharge (ESD) circuits, as light sources, etc.

We have resistors for all applications including single surface mount, single through hole, trimmers, potentiometers and rheostats, as well as a variety of kits, networks and arrays, and other accessories.

A resistor is a passive electrical component that limits or regulates the flow of electrical current through a circuit. The current is calculated via Ohm’s law: V = IR. Resistance value, tolerance, and sometimes even temperature coefficient can be determined by reading the color code, indicated by a series of colored bands on the side of the component.

Resistors can be used to limit the current flow through a diode and to terminate a transmission line and prevent reflections. Two can be used to create a voltage divider that produces an output voltage proportional the resistance values. A general-purpose input/output (GPIO) transceiver can have its output set by a large pull-up or pull-down resistor that is overridden when the GPIO becomes active.

Resistors are created using a variety of materials, including carbon composite, carbon film, metal film, and wire wound. Consumer electronics require them to be small and precise, whereas industrial applications may require them to be capable of dissipating large amounts of power, so they end up being larger.

A buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.
Speaker is electromechanical device which produces sound. It includes Computer speaker, Digital speaker, Electrostatic loudspeaker, Full-range speaker, Horn loudspeaker, Loudspeaker, Magnetostatic loudspeaker and so on.
Microphone is an energy converter that converts sound signals into electrical signals.

An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.
Batteries come in many shapes and sizes, from miniature cells used to power hearing aids and wristwatches to small, thin cells used in smartphones, to large lead acid batteries used in cars and trucks, and at the largest extreme, huge battery banks the size of rooms that provide standby or emergency power for telephone exchanges and computer data centers.

Capacitors are a passive electrical component with two terminals that store electromagnetic energy in the form of an electric field. Terminals are connected to two conductive plates that have a dielectric material between them. They store an electric charge on their conductive plates. The charged plates separated by the dielectric material create an electric field.

Capacitance is a parameter of a capacitor that indicates the amount of stored electric charge for a given voltage applied to its terminals. It is measured in farads (F). For example, doubling the capacitance will double stored electric charge (for a given constant voltage at terminals).

Capacitors are classified based on physical materials used for three-layer conductor dielectric conductor structure. For example, those with metal dielectric electrolyte materials are called electrolytic capacitors; metal ceramic metal are called ceramic capacitors, etc. Those that are non-polarized may be connected either to positive or negative voltage. If they are polarized they must be connected to a positive voltage, with the positive terminal being marked on the packaging.

A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a precise frequency. This frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers. The most common type of piezoelectric resonator used is the quartz crystal, so oscillator circuits incorporating them became known as crystal oscillators, but other piezoelectric materials including polycrystalline ceramics are used in similar circuits.
A crystal oscillator, particularly one made of quartz crystal, works by being distorted by an electric field when voltage is applied to an electrode near or on the crystal. This property is known as electrostriction or inverse piezoelectricity. When the field is removed, the quartz – which oscillates in a precise frequency – generates an electric field as it returns to its previous shape, and this can generate a voltage. The result is that a quartz crystal behaves like an RLC circuit.
Quartz crystals are manufactured for frequencies from a few tens of kilohertz to hundreds of megahertz. More than two billion crystals are manufactured annually. Most are used for consumer devices such as wristwatches, clocks, radios, computers, and cellphones. Quartz crystals are also found inside test and measurement equipment, such as counters, signal generators, and oscilloscopes.

An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it. An inductor typically consists of an insulated wire wound into a coil around a core.

Magnetic beads are designed to suppress high frequency noise and spike interference on signal lines, power lines, and also absorb electrostatic pulses. Magnetic beads are used to absorb UHF signals, such as some RF circuits, PLL, oscillating circuits, and ultra high frequency memory circuits (DDRSDRAM, RAMBUS, etc.) ,which need to add magnetic beads to the input part of the power supply. The magnetic bead has high resistivity and permeability, which is equivalent to parallel resistance and inductance, but the resistance value and inductance value vary with frequency.

Transformers are simply two inductors with strong mutual coupling between them. Step-down transformers reduce the voltage from the input power source to an amplitude that is less dangerous and also more practical in businesses and households. Step-up transformers increase the voltage for more efficient transmission over long distances of power lines. Transformers are essential to the distribution of AC power.

XIDA electronics is committed to providing more innovative unlimited worldwide more different customers with cost-effective technology products. we have successfully launched to the global market of digital multimeter, automotive instrumentation, electrical testing instrument, environmental protection and thermal analysis instrumentation, safety instrumentation, general tester, measurement and calibration instruments and digital storage oscilloscopes and other 10 a wide range of major categories of products, and continue to make the series of product diversification, and fully meet the unique needs of different clients.

Sensors generally fall into one of the following four categories:
Pressure Sensor
A pressure sensor typically measures pressure of gas or liquids. They operate by generating an electronic signal as a result of pressure generated as a function of the force that is required to stop a fluid or gas from expanding. Pressure sensors are also often called pressure transducers, pressure transmitters, piezometers and pressure indicators, among other names. They are commonly used in control and monitoring applications.
Motion and Position Sensors
A motion and position sensor allows for the measurement of position, either in absolute terms (absolute position sensor), or in relative terms (relative or displacement sensor). Motion or position sensors can measure the linear position of a device (linear position sensor), angular position changes, as well as multi-axis position changes. Among the most popular in use in wearables and handheld IoT devices are accelerometer and gyroscope sensors.
Optical Sensors
Optical sensors convert a shining light, or a change in light, into an electronic signal that is readable by an instrument. These sensors, also called photoelectric sensors, are then able to determine the existence and positional presence of an object. Optical sensors are used in a wide variety of industrial automation applications as well as commercial products. Among the most popular are fiber optic sensors, proximity sensors, and safety light curtain sensors.
Thermal Sensors
Thermal sensors are devices that produce an electrical signal in response to temperature or a change in temperature. They are integral for industrial applications that require feeback to maintain an optimal temperature operating range. Any over-temperature readings can then result in the shutdown of the machine to extend life and maintain a safe work environment. The two main types of thermal sensors are temperature sensors and humidity sensors.

Drivers are dedicated transmitters. They are optimized for driving a particular technology family or communication standard and simplify the design of a larger system by implementing all the relevant protocols and electrical requirements. For example, an LED driver offloads the high current source/sink demands from the CPU/AP GPIOs and onto the driver component. Interface components may contain drivers and receivers (transceivers), which are versatile components that can be used to implement a communication network and act as repeaters.

In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light.Opto-isolators prevent high voltages from affecting the system receiving the signal.Commercially available opto-isolators withstand input-to-output voltages up to 10 kVand voltage transients with speeds up to 25 kV/μs.

A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.

Light Emitting Diodes utilize solid-state lighting technology to produce light through solid matter, essentially a semiconductor. This sets them apart from other light sources such as incandescent bulbs (through a vacuum) or compact fluorescent bulbs (through gas). The fundamental mechanism of light production runs on Band-to-Band recombination or radiation.