M1MA142WAT1G Discrete Semiconductor Products

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The M1MA142WAT1G is a part of the Diodes-Rectifiers-Arrays family of devices. It is a surface mount (SMT) solution that offers dual configuration and single value sensing. It is designed to be used in a wide range of applications, from power supplies, DC to DC converters, chargers and pro-audio amplifiers.

The M1MA142WAT1G package contains two diode rectifiers connected in series with two resistors in a single SMT package. It also includes a single value sensing line for current sense, as well as an entry for reverse polarity protection. The jumper allows easy selection of Single Pole Double Throw (SPDT) or Dual Pole Double Throw (DPDT) configurations.

Asymmetric rectifiers have anode and cathode leads dedicated to their respective current paths. The upper diode polarities are shown by the anode section and the lower diode polarities are shown by the cathode section. All components in the package are waterproof and suitable for moisture and corrosion protection.

The M1MA142WAT1G was designed with a Good Hardware manufacturing process for precision rectification with minimal voltage drops. It has been proven to be an economical and reliable choice for power designs that require an efficient, low-loss solution. The wide input voltage range and reverse voltage protection make it ideal for a variety of low voltage applications such as laptops, mobile phones, tablets and other consumer electronics.

In terms of working principle, the M1MA142WAT1G device operates as a dual rectifier. It allows current to flow in either direction depending on the applied voltage across the circuit. When forward biasing the device, the voltage polarity causes electrons to move in the direction of the anode and holes in the direction of the cathode. This in turn causes current flow in the desired direction. On the other hand, when reverse biasing the device, the opposite is true, as current can only flow from the cathode to the anode.

The single value sensing line enables two distinct voltage levels for each channel. This allows for current sensing for improved accuracy and an input resistance for improved protection against over-current conditions. A low level sensing voltage allows for an accurate single-valued current sense and a high level one allows for enhanced protection against over-current conditions. Additionally, the reverse polarity protection is enabled by connecting a resistor across the reverse diode to limit current in the reverse flow direction and improve device lifetime.

In conclusion, the M1MA142WAT1G device is a reliable and cost-effective solution for powering low voltage applications. Its dual configuration, single value sensing and reverse polarity protection make it the ideal choice for a variety of applications, from power supplies, DC to DC converters and audio amplification systems.

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