BSS138BK

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BSS138BK

MOSFETs

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Description

The BSS138BK is an N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) designed for low-voltage applications. It features a maximum drain-source voltage (V_DS) of 50V and a continuous drain current (I_D) of 200mA, making it suitable for switching and amplification tasks in various electronic circuits. The device is known for its low on-resistance, which minimizes power loss during operation, and its fast switching capabilities.
Common applications include low-power switching, signal amplification, and driving loads in battery-operated devices. The BSS138BK is typically found in surface-mount packages, making it ideal for compact designs. Its gate threshold voltage (V_GS(th)) typically ranges between 0.8V to 3V, allowing it to be easily controlled by microcontrollers and logic circuits operating at lower voltages.
Overall, the BSS138BK is a versatile and efficient component widely used in hobbyist and commercial electronics projects.

Features

The BSS138BK is a N-channel MOSFET designed for low-voltage applications. Key features include:
1. Voltage Rating: It can handle a maximum drain-source voltage (Vds) of 50V.
2. Current Rating: The device supports continuous drain current (Id) of up to 220mA.
3. Low On-Resistance: The on-resistance (Rds(on)) is typically low, around 3.5Ω at Vgs = 10V, enhancing efficiency.
4. Fast Switching Speed: Suitable for high-speed switching applications, making it ideal for signal processing.
5. Gate Threshold Voltage: The gate-source threshold voltage (Vgs(th)) ranges from 0.8V to 3V, enabling operation in low-voltage circuits.
6. Package Type: It is available in a surface-mount package (SOT-23), facilitating compact designs.
7. Applications: Commonly used in switching power supplies, motor drivers, and signal routing.
Overall, the BSS138BK is favored for its compact size, efficiency, and versatility in various electronic circuits.

Package

The BSS138BK is typically packaged in a TO-92 package type. This is a plastic, cylindrical-type casing commonly used for transistors and other small electronic components.

Pinout

The BSS138BK is an N-channel MOSFET transistor with a total of three pins. The pin configuration is as follows:
1. Gate (G): This pin controls the MOSFET's operation, allowing it to turn on or off when a voltage is applied.
2. Drain (D): This is where the current flows out of the device; it connects to the load.
3. Source (S): This pin is connected to the ground or negative side of the power supply; it is where the current enters the MOSFET.
The BSS138BK is commonly used in low-power applications for switching and amplification due to its compact size and efficient performance. It can handle a maximum drain-source voltage of 50V and a continuous drain current of up to 220mA, making it suitable for various electronic circuit applications.

Manufacturer

The BSS138BK is manufactured by Nexperia, a global semiconductor company. Nexperia specializes in the production of discrete, logic, and MOSFET components, focusing on high-volume manufacturing for the automotive, industrial, and consumer markets. The company is known for its commitment to quality, reliability, and innovation in semiconductor technology. Nexperia was formed after the sale of the semiconductor division of NXP Semiconductors in 2017 and has established itself as a key player in the electronics industry.

Application

The BSS138BK is a N-channel MOSFET commonly used in various application areas, including low-side switching, signal amplification, level shifting, and digital circuits. It is suitable for power management in battery-operated devices, LED drivers, and relay control. Its low on-resistance and fast switching capabilities make it ideal for applications in telecommunications, automotive electronics, and consumer electronics.

Equivalent

The BSS138BK is an N-channel MOSFET. Equivalent products include the 2N7000, 2N7002, BS170, and IRLML2502. These alternatives offer similar characteristics, but always check specific parameters like voltage, current ratings, and package types for compatibility in your application.

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