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Diodes - Rectifiers - Single

The 10BQ100 rectifier diode is a surface mount device specifically designed for surface mount technology (SMT) applications. The 10BQ100 is applied extensively in switch mode power supplies (SMPS) for rectification and freewheel applications. It is intended for use in power distribution systems, dimmer controls and high voltage rectification in motor drives. This article details the application field and working principle of the 10BQ100.

Application Field

The 10BQ100 has an operating temperature range of -55°C to +125°C, making it ideal for portable and battery operated applications, as well as designs with a wide range of temperatures. It is also widely used in appliances, automotive and LED lighting applications.

The 10BQ100 has excellent thermal properties due to its flat-z, write thin-film packaging. This allows for faster and more reliable power conversion, as well as increased power efficiency, as the dissipation of heat is unencumbered.

The 10BQ100 offers high frequency rectification and switching with low switching noise due to its fast-recovery capability, which reduces the switching losses and the total harmonic distortion in the circuit.

Working Principle

The 10BQ100 is comprised of two p-type and two n-type semiconductor regions. When a voltage difference is applied between the two p-type and n-type regions, a current is driven through the circuit as electrons are drawn from the n-type region and attracted to the p-type region.

The 10BQ100 offers reverse voltage protection, so when the diode is improperly connected current flows in the reverse direction, it will block the current and protect the circuit from harm.

The 10BQ100 also offers transient protection in the form of surge current suppression. When an unexpected current spike occurs, the 10BQ100 is able to rapidly short-circuit and divert the current, protecting all preceding components from damage, as well as maintaining a relatively consistent output current.

Conclusion

The 10BQ100 is a versatile rectifier diode designed for surface mount technology applications, offering high frequency rectification, low switching noise and transient protection. It is widely used in switch mode power supplies, motor drives, appliances, automotive and LED lighting applications, due to its excellent thermal properties and reliable operation at a wide range of temperatures.

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