SS3P4HM3/85A

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Diodes are one of the most fundamental components of electronics. Single diodes are mainly used to rectify alternating current (AC) into direct current (DC). The SS3P4HM3/85A is a single diode module typically used for switching applications.

The SS3P4HM3/85A is a 4-pin plastic package device configured in a three-terminal single-phase bridge rectifier configuration. The device consists of a plastic package that houses four diodes connected in a reverse-parallel configuration. It has a typical recurrence peak reverse voltage (VRRM) at 85A, reverse leakage current (IR) of less than or equal to 25 µA at 25°C, maximum forward voltage drop (VF) at 0.8V, and a maximum surge current of 2.5A.

The SS3P4HM3/85A primarily finds application in low voltage and medium power DC-to-DC converters. It can also be used in other applications such as inverters, switched-mode power supplies (SMPS) and power factor correction (PFC) circuits.

The working principle of the SS3P4HM3/85A is quite simple. AC current is applied to the anode of the diode, and when the voltage exceeds the forward voltage drop of the diode, it is conducted to the cathode and through the load resistor. During the negative cycle, no current passes through the diode as it is reversed biased. Thus, the AC input voltage is effectively converted to a DC output voltage.

In summary, the SS3P4HM3/85A is a three-terminal single-phase bridge rectifier package that is typically used for voltage conversion and rectification applications. It has a maximum recurrence peak reverse voltage of 85A, reverse leakage current of 25 µA, maximum forward voltage drop of 0.8V and maximum surge current of 2.5A. It is primarily used in low voltage and medium power DC-to-DC converters, inverters, switched-mode power supplies (SMPS) and power factor correction (PFC) circuits. Its working principle is based on the fact that it blocks current in the negative cycle and allows it to pass in the positive cycle.

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