BR86

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A BR86 bridge rectifier is an electronic device that uses four rectifying arms to bridge an ac input current and convert it to a dc output current. The BR86 rectifier is most commonly used to deliver the smooth power required for many consumer electronics and computing equipment. The device contains two diode pairs, arranged in a two-armed bridge, that complete four independent half-wave rectifications simultaneously.

The primary component of a BR86 bridge rectifier is a bridge of four diodes connected in pairs across an input voltage. When an ac voltage is applied, current flows through one pair of connected diodes, then the second pair. In this way, an alternating current is changed into a unidirectional current that has the same cycle frequency as the ac input but a much smoother current flow.

The DC input voltage applied to the bridge rectifier is termed the \'Voltage Requirement\'. This voltage level increases above the diode threshold voltage with increasing forward current, so the actual output voltage for a given Vr is slightly higher than the specified voltage rating. The BR86 bridge rectifier\'s power rating, or wattage, is also determined by the Vr, along with the frequency of the input ac current and the forward current.

When deciding on the best BR86 bridge rectifier to use for a given application, it is important to consider the application\'s environment in order to ensure that the device can properly handle the input and output voltages and currents. The peak forward voltage rating should be well above the voltage requirement and the power rating should be able to handle the expected mean forward current. It is also important to take into consideration the operating temperature rating of the BR86 bridge rectifier.

BR86 bridge rectifiers are most commonly employed in power supplies, measuring instruments, industrial control systems, and electronic motor drives. The rectifier circuit provides the main switching functions throughout the duration of operation and serves to convert AC from the mains to DC, which is then filtered to smooth the waveform and regulate the voltage.

The BR86 bridge rectifier is designed with high efficiency and power factor conversion, making it ideal for power applications where high levels of efficiency and Power factor is necessary. Additionally, the device is specially designed with temperature and current characteristics that have the ability to limit peak current and temperature of the BR86 Bridge rectifier.

The BR86 bridge rectifier is advantageous in switching power supplies as they can withstand higher voltages than standard rectifier diodes. As such, they can be used to bridge both large and small applications, allowing for a more flexible design. Furthermore, the BR86 bridge rectifier helps reduce the size of switching power supplies and reduces electromagnetic interference (EMI) generated by switching power supplies.

Overall, the BR86 bridge rectifier is a versatile electronic device that is used in power supplies, measuring instruments, industrial control systems, and electronic motor drives. It is designed for use in high efficiency and power factor-conversion applications, and the temperature and current characteristics allow for limiting of peak current and temperature. It also provides improved switching power supply reliability and helps reduce the size, cost and EMI emissions of the power supply.

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