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| Cooling Fans & Blower Fans Cooling fans and blowers are essential to systems that produce a significant amount of heat like computers and other electronic components. Different systems are engineered to work with specific types of fans. Cooling fans come in all shapes and sizes as well as voltage, airflow, and case size. Some are even weather resistant and can stand up against the elements. It's important to know the specific type of fan your CPU / electronic component requires as fans and blowers are not universal. Be sure to reference the fan part number before you buy a replacement. Installing the wrong fan type can cause more harm to your computer/system. Electronic Components generate the most heat in your typical system. It's also the most temperature-sensitive. That's why fans are necessary to aid in cooling the system. Without them, machines would overheat and cease functioning. The power supply also increases the temperature of a system. So although the components generate the most heat, the power supply also makes it necessary to have a cooling system in place to keep temperatures low and keep it from overheating. Without a way to maintain its temperature, a system won't last. Types:Cooling fans come in different makes and models, and are engineered specifically for the systems they support. Axial fans, for example, are fans designed to work with systems that have low back pressure and require less noise. These fans are quite common and are typically the most economical cooling solution. Axial fans are also referred to as box fans and are normally used in computers. Blowers, on the other hand, are designed to work with systems that have high impedance (i.e. back pressure). Blowers produce a more concentrated airflow in a system. As a result, they tend to generate a significant amount of noise. |
Optocoupler Integrated Circuits (ICs)
In electronics, an Optocoupler 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 kV and voltage transients with speeds up to 10 kV/s.
A common type of opto-isolator consists of an LED and a phototransistor in the same package. Opto-isolators are usually used for transmission of digital (on/off) signals, but some techniques allow use with analog (proportional) signals.
A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.
VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, about a third of the world's electrical energy is consumed by electric motors in fixed-speed centrifugal pump, fan and compressor applications and VFDs' global market penetration for all applications is still relatively small. This highlights especially significant energy efficiency improvement opportunities for retrofitted and new VFD installations.
Over the last four decades, power electronics technology has reduced VFD cost and size and improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.
VFDs are available in a number of different low and medium voltage AC-AC and DC-AC topologies.
AC Drives are extensively used for Automation & Automation Products.
Bridge rectifiers are used with electronic equipments to provide full wave rectification from an AC power supply. It is also called full-wave rectifier because it makes use of all the AC wave, that is both positive and negative parts. It also produce full-wave DC voltage output.
Advantage of Bridge Rectifiers
| - | One of the notable benefits of bridge rectifier is that with a given transformer, it produces a voltage output that is nearly twice that of conventional full-wave circuit. |
| - | Bridge rectifiers have low ratio of peak inverse voltage as compared to average output voltage. |
Bridge rectifiers are rated by the maximum current they can pass and the maximum reverse voltage they can withstand.
| Capacitors We supply and export comprehensive range of optimum quality capacitors. Our wide gamut is designed and programmed using latest technology to ensure durability and high stability. We also customize our range of components as per the client specification to meet the required results. A capacitor (formerly known as condenser) is a passive electronic component consisting of a pair of conductors separated by adielectric (insulator). When there is a potential difference (voltage) across the conductors, a static electric field develops in the dielectric that stores energy and produces a mechanical force between the conductors. An ideal capacitor is characterized by a single constant value, capacitance, measured in farads. This is the ratio of the electric charge on each conductor to the potential difference between them. Capacitors are widely used in electronic circuits for blocking direct current while allowing alternating current to pass, in filter networks, for smoothing the output of power supplies, in the resonant circuits that tune radios to particular frequencies and for many other purposes. |
| NTC Thermistors A thermistor is a type of resistor whose resistance varies significantly (more than in standard resistors) with temperature. The word is aportmanteau of thermal and resistor. Thermistors are widely used as inrush current limiters, temperature sensors, self-resetting overcurrent protectors, and self-regulating heating elements. Thermistors differ from resistance temperature detectors (RTD) in that the material used in a thermistor is generally a ceramic or polymer, while RTDs use pure metals. The temperature response is also different; RTDs are useful over larger temperature ranges, while thermistors typically achieve a higher precision within a limited temperature range [usually 90 C to 130 C] Features:- Insulation film wrapped- Different length 18mm, 25mm, 50mm, 75mm- Can be customized to connect with different cable.- Wrapped with insulation film for superb electric insulation and safe use;- Quick response to thermal sensing and high delicacy;- High resistance precision, and working stability and reliability;- Small, light, firm structure and convenient for automation mounting on PCB. Application:Computer, printer, battery- pack, home electric appliances, medical equipment and so on. |
Semiconductor fuses are used to protect against over-current conditions in semiconductors devices. Because of their fast action, semiconductor fuses help to limit the short circuit current significantly.
Semiconductor fuses are available in several different enclosures.
Used in electrical systems to protect against excessive current.
Its essential component is a metal wire or strip that melts when too much current flows, which interrupts the circuit in which it is connected. Short circuit, overload or device failure is often the reason for excessive current.
A fuse interrupts excessive current (blows) so that further damage by overheating or fire is prevented. Wiring regulations often define a maximum fuse current rating for particular circuits. Overcurrent protection devices are essential in electrical systems to limit threats to human life and property damage. Fuses are selected to allow passage of normal current and of excessive current only for short periods.
We offer efficient supplier of semi conductor fuses. These are used to protect against over current conditions in semi-conductor devices. Our range of semiconductor fuses limits the short circuit current and thus ensure the long lasting usage.
Some of the key features of our semi conductors fuses are as follows:- High Performance- Durable- Easy to us- Low power dissipation- High current limitation- Resistance to corrosion
