BLF8G20LS-140VJ

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The BLF8G20LS-140VJ is a high power RF MOSFET that belongs to the ultra-small 40V power field. It is a unipolar device featured low ON resistance, 50 W typical linear output at 10 W in the common base setup and excellent thermal characteristics. The BLF8G20LS-140VJ also provides excellent linearity performance and low distortion.

The BLF8G20LS-140VJ is an Ideal type N-channel RF MOSFET, which means it works with a simple one-stage source-gate configuration. The maximum drain source voltage (VDS) of BLF8G20LS-140VJ is 140 V and the maximum drain current (ID) capability is 37 A.

BLF8G20LS-140VJ can be adopted for various applications such as power amplifier for consumer and industrial electronics, base station system for cellular telephone, public announcement and cordless systems, digital microwave radio system and wireless communication systems. In consumer electronics, it can be used in TVs, USB wireless transceivers and multiplexed transmission of video signals. Moreover, it is a great device for designing high power amplifiers with excellent efficiency and excellent thermal characteristics.

The working principle of the BLF8G20LS-140VJ is based on the N-type MOSFET, which uses the principle of the depletion mode MOSFET. Its construction features a semiconductor layer which is composed of two types of materials, N-type and P-type and has a rectangular structure. Therefore, it is a unipolar device. In operation, when the gate-source voltage (VGS) of the MOSFET reaches a certain threshold, the channel will be formed, creating an inversion layer that may conduct current. The drain current (ID) is then dependent on the gate-source voltage (VGS) and the channel’s channel length and cross-sectional area. By changing the channel length and cross-sectional area, we can control and manipulate the current flowing to the drain.

The BLF8G20LS-140VJ is a great RF MOSFET, which is suitable for various applications and is capable of providing high power outputs. It has excellent thermal characteristics and low ON-resistance. Moreover, it is a unipolar device, which makes it reliable and cost-effective, and its operation is based on the principle of the depletion mode MOSFET. Therefore, the BLF8G20LS-140VJ is an excellent choice for RF applications.

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