MR851RLG Discrete Semiconductor Products

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The MR851RLG is a diode rectifier module with a single-phase bridge rectifier configuration. It is designed for use in DC/DC converters, UPS systems, power supplies and other power electronic applications. It has a variety of features designed to make it easy to use and reliable in operation.

The MR851RLG has a blocking voltage of 1000V and a maximum repetitive peak reverse voltage of 800V. It has a forward voltage drop of less than 1V and a maximum surge current rating of 200A. It has built-in EMI protection, low forward voltage drop, soft reverse recovery and low leakage current. The rectifier module also has a temperature range of -40°C to +85°C.

As far as assembly is concerned, the MR851RLG is available as an entire module or as a set of single parts consisting of diodes, discretes, mid-blocks, capacitor and heatsink. The module is designed to be assembled on the heatsink using soft bonding wires and conformal coating. The heatsink is designed to dissipate heat generated during operation and protect the components against thermal overload. It should be installed in a suitable location to ensure that the necessary cooling is achieved.

The working principle of the MR851RLG is relatively simple. It uses a bridge rectifier structure to achieve AC to DC conversion. When the AC voltage is applied to the bridge rectifier, it switches on four diodes in sequence, forming a closed conduction loop. The diodes act as rectifiers, allowing current to flow only in one direction and blocking current from flowing in the opposite direction. This results in a unidirectional voltage and current, forming a full-wave rectified DC output.

The MR851RLG is ideal for use in applications where a high-current, low-loss, low-voltage, high-stability power source is required. It is also suitable for applications where a wide operating range is required, such as in battery chargers and DC/DC converters. It is also suitable for use in solar energy generation and LED driver applications, as well as other applications which require reliable, low-noise rectification.

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