IRFH4251DTRPBF Discrete Semiconductor Products

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A 4251DTRPBF is a surface mount MOSFET pass transistor array. It is part of the Fairchild Semiconductor\'s FQP family, which was designed to address the demand for high-efficiency electronic circuits used in automotive, industrial, and communication markets. It is used in applications such as power control, motor control, and audio control.

The 4251DTRPBF is an 8-channel MOSFET pass transistor array in a 16-pin surface mount package. It is a combination of two series of N-channel enhancement mode MOSFETs, each series consisting of four transistors. The array is enabled by a single gate signal, and each series can be individually turned ON with separate enable inputs. It is optimized to produce low on-channel resistance.

In terms of performance, the 4251DTRPBF offers a maximum continuous drain current of 8A and a maximum gate-to-source voltage of ±20V. It also boasts excellent thermal performance and low leakage current. The device is ESD-protection, provides low gate charge, and utilizes the lowest on-resistance of any comparable device.

In terms of its working principle, the 4251DTRPBF operates by combining two series of relatively low-resistance enhanced-mode MOSFETs. Each series is controlled by two distinct gate signals, and each can be individually switched ON and OFF through a separate enable input. When an enable signal is applied, the connected series is turned ON, allowing current to flow across the device. By using multiple series together, the 4251DTRPBF is able to provide higher current output than a single enhancement mode MOSFET.

Applications for the 4251DTRPBF include motor control, electric power control, audio control, and many others. It is ideal for applications that require both low on-resistance and fast switching. Its low on-resistance makes it a great choice for applications that require high output current, while its ESD protection and fast switching speed makes it a great choice for high-bandwidth audio applications.

In conclusion, the 4251DTRPBF is a surface mount MOSFET pass transistor array. It is part of the Fairchild Semiconductor\'s FQP family and is used in applications such as power control, motor control, and audio control. The array is enabled by a single gate, and each series can be turned ON with its own enable input, which allows for greater current output. The 4251DTRPBF offers a maximum continuous drain current of 8A and a maximum gate-to-source voltage of ±20V and boasts excellent thermal performance and low leakage current. It is suitable for applications that require both low on-resistance and fast switching, making it a great choice for many applications.

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