SDB155-TP

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Bridge rectifiers are widely used diode components that convert alternating current (AC) to direct current (DC). The SDB155-TP is a type of fast-recovery bridge rectifier specially designed for very high temperature operating applications including 6-phase motor drives, solar inverters, and home appliances. This component can withstand extreme temperatures and is characterized by its low losses, high frequency operation, and low forward voltage drop.

The SDB155-TP is a four-phase bridge rectifier chip with a maximum current rating of 10A, operating on a voltage range of 400V-1200V. This component features a fast turn-off time of 50ns at the full 10A current rating. It also features a low forward voltage drop of just 0.3V at 10A. In addition, the SDB155-TP has a built-in over-voltage protection circuit, which is designed to prevent dielectric breakdown that may occur due to high voltages.

The working principle of the SDB155-TP bridge rectifier is as follows. AC is first applied to the bridge rectifier, where it is rectified. This causes the diodes to become conducting, allowing the current to flow through the bridge rectifier. The rectified current then passes through the diode, which has an effect of reducing the voltage by the forward voltage drop of the diode. The current is then output to the load. The AC signal is then reversed, allowing the bridge rectifier to alternate from conducting and non-conducting states.

The SDB155-TP bridge rectifier is designed with a multitude of advantages for users seeking very high-temperature applications, including its fast turn-off time, low forward voltage drop, over-voltage protection circuit, and high frequency operation. Its other features include a wide operating temperature range of -40°C to 175°C, a maximum single-phase peak forward surge current of 65A, and a high efficiency over the entire junction temperature range. Furthermore, the SDB155-TP has a 1000-hour M.T.B.F. rating and is RoHS compliant.

Overall, the SDB155-TP fast-recovery bridge rectifier is a great solution for power applications requiring very high temperature ratings, such as 6-phase motor drives, solar inverters, and home appliances. With its low losses and high frequency operation, it is designed to last for years with minimal maintenance required. Furthermore, its multiple features, including its high efficiency, wide operating temperature range, and over-voltage protection circuit, make it an ideal choice for a wide range of applications.

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