RB155

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	600V
Current - Average Rectified (Io):	1.5A
Voltage - Forward (Vf) (Max) @ If:	1V @ 1.5A
Current - Reverse Leakage @ Vr:	10µA @ 600V
Operating Temperature:	-55°C ~ 125°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-Circular, RB-15
Supplier Device Package:	RB-15
Base Part Number:	RB155

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Diodes - Bridge RectifiersA bridge rectifier is a device used in AC to DC power supplies. Its purpose is to convert alternating current (AC) to direct current (DC). A bridge rectifier is made up of four diodes which form a bridge shape. These four diodes allow the current to flow in one direction while blocking the current from flowing in the opposite direction. This process is known as rectification.One of the most common types of bridge rectifiers is the RB155. The RB155 is a Silicon-Controlled Rectifier (SCR) bridge rectifier with a voltage rating of 400V, a total rectified current of 2.5A, and an open-circuit resistance of 38 ohms. This device is designed for applications requiring high reverse voltage and high in-rush current capability. It is ideal for switching motor control, battery chargers, and many other applications. The RB155 bridge rectifier has a few distinct components that aid in its efficient operation. Anode and cathode connections are made to the two opposite sides of the device. Each of the four diodes is connected to the anode and cathode by their own respective connections, known as their “legs”. These individual legs are then connected to the desired application. When an alternating current is passed through the RB155 bridge rectifier, the anode and cathode poles form a complete circuit. As the current cycles between the two poles, it passes through each of the four diodes of the bridge. Each diode is responsible for a portion of the conversion process. The process of rectification occurs as the anode and cathode cycle through the bridge. As the current travels through each of the four diodes in the bridge, it is converted from alternating current to direct current. The rectified current, while still oscillating, is smoothed out using capacitors and inductors. This process helps to create a steady direct current output. The capacitors act to store charge during the DC, allowing for a constant flow of current. The output voltage of the RB155 bridge rectifier is regulated by a zener diode, which helps to ensure that the output voltage stays within specified limits. If the output voltage goes above the specified level, the zener diode kicks in and limits the flow of current so that the voltage doesn’t go any higher. The RB155 bridge rectifier is an efficient and reliable device. It is capable of providing a steady, constant voltage that is suitable for many applications. The device has the added benefit of allowing for current to flow in either direction, depending on the desired output. This device is widely used in areas such as motor control, battery chargers, and many other applications.

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