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BSS138AKA/LF1R
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BSS138AKA/LF1R

Product Overview

Category

The BSS138AKA/LF1R belongs to the category of small-signal MOSFETs.

Use

It is commonly used in low voltage, low current applications such as signal switching and amplification.

Characteristics

  • Low threshold voltage
  • Low on-resistance
  • Fast switching speed
  • Small package size

Package

The BSS138AKA/LF1R is typically available in a SOT-23 package.

Essence

This MOSFET is essential for controlling small signals in electronic circuits.

Packaging/Quantity

It is usually supplied in reels with quantities varying based on manufacturer specifications.

Specifications

  • Drain-Source Voltage (Vdss): 50V
  • Continuous Drain Current (Id): 200mA
  • Total Power Dissipation (Pd): 350mW
  • Threshold Voltage (Vgs): 1-2.5V
  • On-Resistance (Rds(on)): 1.5Ω

Detailed Pin Configuration

The BSS138AKA/LF1R has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)

Functional Features

  • Low threshold voltage allows for easy control by microcontrollers and logic circuits.
  • Fast switching speed enables quick response in signal switching applications.

Advantages and Disadvantages

Advantages

  • Low threshold voltage makes it suitable for low voltage applications.
  • Small package size saves space on PCBs.

Disadvantages

  • Limited maximum drain-source voltage compared to other MOSFETs.
  • Relatively higher on-resistance for some applications.

Working Principles

The BSS138AKA/LF1R operates based on the principle of field-effect transistors, where the voltage applied to the gate terminal controls the flow of current between the source and drain terminals.

Detailed Application Field Plans

Signal Switching

The BSS138AKA/LF1R is widely used in electronic switches for signal routing in audio and data applications.

Amplification

In low-power amplification circuits, this MOSFET can be utilized to control the gain of the signal.

Level Shifting

Due to its low threshold voltage, it is employed in level shifting applications to interface between different voltage domains.

Detailed and Complete Alternative Models

  • 2N7002DW: Similar small-signal MOSFET with comparable characteristics.
  • DMG2302UK-7: Another alternative offering low on-resistance and fast switching speed.

In conclusion, the BSS138AKA/LF1R is a small-signal MOSFET with specific advantages and limitations, making it suitable for various low voltage, low current applications in electronic circuits.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BSS138AKA/LF1R i tekniske løsninger

  1. What is the maximum drain-source voltage for BSS138AKA/LF1R?

    • The maximum drain-source voltage for BSS138AKA/LF1R is 50V.

  2. What is the continuous drain current rating for BSS138AKA/LF1R?

    • The continuous drain current rating for BSS138AKA/LF1R is 220mA.

  3. What is the on-state resistance (RDS(on)) of BSS138AKA/LF1R?

    • The on-state resistance (RDS(on)) of BSS138AKA/LF1R is typically 1.5 ohms at VGS = 10V.

  4. Can BSS138AKA/LF1R be used for level shifting applications?

    • Yes, BSS138AKA/LF1R can be used for level shifting due to its low threshold voltage and high input impedance.

  5. Is BSS138AKA/LF1R suitable for battery-powered applications?

    • Yes, BSS138AKA/LF1R is suitable for battery-powered applications due to its low threshold voltage and low power consumption.

  6. What are the typical applications for BSS138AKA/LF1R?

    • Typical applications for BSS138AKA/LF1R include signal switching, small-signal amplification, level shifting, and load switching in portable devices.

  7. Does BSS138AKA/LF1R have ESD protection?

    • Yes, BSS138AKA/LF1R is designed with ESD protection, making it suitable for robust and reliable designs.

  8. What is the package type for BSS138AKA/LF1R?

    • BSS138AKA/LF1R is available in a SOT-23 surface-mount package, which is compact and suitable for space-constrained designs.

  9. What is the operating temperature range for BSS138AKA/LF1R?

    • The operating temperature range for BSS138AKA/LF1R is -55°C to 150°C, making it suitable for a wide range of environments.

  10. Can BSS138AKA/LF1R be used in audio amplifier circuits?

    • Yes, BSS138AKA/LF1R can be used in audio amplifier circuits due to its low on-state resistance and compatibility with low-voltage signals.