BSS138WH6433XTMA1

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BSS138WH6433XTMA1 is a high-performance, low-cost surface-mount N-channel MOSFET (Metal Oxide Semiconductor FET) transistor. It is widely used in high-frequency applications, such as high-speed switching circuits and motor drive circuits, as well as PWM (Pulse Width Modulation) signal attenuation circuits.

The BSS138WH6433XTMA1 is a SOT-23 type signal-level MOSFET in which a drain terminal (D), a gate terminal (G), and a source terminal (S) are arranged inside a small package. The terminals of this MOSFET are electrically insulated, and do not directly contact each other. The gate of the MOSFET is directly driven by the external microcontroller and can control the on/off state of the MOSFET through the external voltage supplied to the gate terminal.

The MOSFET is ideal for power applications where the on/off control of the P-channel FET must be done with variable voltage, such as AC/DC converters, DC/DC converters, PC power supplies, LCD TVs, LED lanterns, telecom power supplies, portable electronic devices, and other consumer electronics. The BSS138WH6433XTMA1 has a low on-state resistance of 2.0 Ohms, a high side control voltage of 2.5 Volts, a drain-to-source breakdown voltage of 20 Volts, and a carry current of 0.5 Amps.

The working principle of BSS138WH6433XTMA1 is based on the MOSFET\'s function as a three-terminal device. It is composed of the source (S), gate (G), and drain (D) terminals, as well as the N-channel. When the gate is connected to a positive voltage, the N-channel opens and allows electric current to flow through it. This N-channel MOSFET generates a large drain-to-source current when a small gate-to-source voltage is applied. On the other hand, when the gate is connected to a negative voltage, the N-channel is closed and the drain-to-source current is cut off.

The BSS138WH6433XTMA1 has a small, low-profile package. It has a maximum power dissipation of 175mW, a low on-resistance of 2.0 Ohms, a high side control voltage of 2.5 Volts, a drain-to-source breakdown voltage of 20 Volts, a carry current of up to 500mA and a maximum operating temperature of up to 175 degree Celsius. This MOSFET is also RoHS compliant, which makes it a great choice for applications requiring high-reliable electronic components.

In conclusion, the BSS138WH6433XTMA1 is ideally suited for use in high-frequency switching and PWM signal attenuation applications. It is a high-performance, RoHS compliant MOSFET that is capable of delivering up to 500mA of current at 2.5 Volts. Its small size makes it suitable for use in a variety of applications and its low on-resistance and low power dissipation make it an ideal choice for power applications.

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