VS-111MT160KPBF

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Bridge rectifiers are electronic components that can be used to convert alternating current (AC) to direct current (DC). They are made up of four or more diodes arranged in the shape of a bridge. The VS-111MT160KPBF bridge rectifier is a single-phase bridge rectifier with four diodes usually configured in the reverse-connected form.

A common application of bridge rectifiers is as rectifiers in AC-DC power supplies.VS-111MT160KPBF bridge rectifier can be used to create a power supply with an input AC voltage ratings of 250 Volts, an average forward current of 1.6A, and a peak forwards surge current of 4A. For these applications, the bridge rectifier will usually be connected in series with a transformer, filter, and regulator circuit.

In the forward-biased configuration, the positive terminal of the supply is connected to the anode of the first diode and the negative terminal of the supply is connected to the cathode of the last diode. In this configuration, each diode will conduct for one-half cycle of the AC waveform, thereby converting the alternating current to direct current. As one diode turns off, the other diode turns on, allowing the current to continue flowing in only one direction. The result is a DC output with a magnitude equal to the peak value of the AC source. The peak value of the output can be regulated to some degree by altering the size of the transformer.

In the reverse-biased configuration, the positive terminal of the supply is connected to the cathode of the first diode and the negative terminal of the supply is connected to the anode of the last diode. In this configuration, the diodes are switched in parallel as opposed to the series arrangement of the forward-biased configuration. The advantage of this configuration is a reduction in voltage drop across the diodes, which increases the efficiency of the bridge. The disadvantage is the current is not restricted to one direction, and so the circuit will produce an alternating current output.

The forward-biased configuration will produce a higher efficiency than the reverse-biased configuration, and is thus most often used in power supplies. The reverse-biased configuration is used for applications where the load is current sensitive, such as rectifying an AC audio signal. The VS-111MT160KPBF is specifically designed to provide high efficiency and low power dissipation in AC-DC power supplies. It has a maximum operating junction temperature of +150°C, and is available in through-hole and surface mount packages.

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