MB10S | Bridge Rectifier | Datasheet | Circuit Diagram | Output Voltage

Bridge Rectifier YZPST-MB10S

MB10S Circuit Diagram

MB10S Circuit

The MB10S is a widely used bridge rectifier designed for converting AC (alternating current) to DC (direct current). It is commonly employed in power supply circuits, DC motor control, battery charging applications, and any other system where the conversion of AC to DC is required.

Bridge Rectifier Configuration:

The MB10S bridge rectifier consists of four diodes (D1, D2, D3, D4) arranged in a bridge configuration. The AC input is connected to two terminals (AC1 and AC2), while the output is taken across two DC terminals (+ and -), connected to the load.

Work process:

1. Positive Half Cycle: During the positive half cycle of the AC input, diodes D1 and D2 conduct, allowing current to flow from AC1 through the load and back through D2 to AC2. This results in a positive voltage across the output terminals (relative to the load ground).
2. Negative Half Cycle: During the negative half cycle, diodes D3 and D4 conduct, and the current flows in the same direction through the load. Therefore, the output current direction remains the same, providing DC output.

Output Voltage:

The output voltage is a pulsating DC that follows the peak value of the AC input minus the forward voltage drop of the diodes. Each diode typically has a forward voltage drop of approximately 0.7V (for silicon diodes), so the output peak voltage will be slightly lower than the peak AC voltage.

Filter Capacitor’s Role:

The rectified output is pulsating, so a filter capacitor is used to smooth the output voltage. The capacitor charges to the peak value of the rectified voltage and discharges when the input voltage falls below its level, thereby reducing the ripple and providing a more stable DC voltage.

Load Connection:

After the rectified voltage is smoothed by the filter capacitor, it is delivered to the load, providing a DC current suitable for powering electronic devices or systems.