The BSS84 is a widely used component in electronics, known for its versatile applications and reliable performance. In this article, we will delve into the essential details of the BSS84 MOSFET. Whether you’re an electronics enthusiast or a professional engineer, this guide will provide you with valuable insights into understanding and utilizing the P-channel enhancement MOSFET with the code “BSS84.”
What is BSS84?
BSS84 is an N-channel enhancement mode MOSFET, commonly used for switching applications. MOSFETs are three-terminal devices that use voltage applied to the gate terminal to control the flow of current between the source and drain terminals.
The BSS84 MOSFET offers low on-resistance (RDS(on)) and provides fast switching speeds. It operates with low gate threshold voltage, allowing it to be driven easily by microcontrollers or other low-voltage signals. With a compact and popular SOT-23 package, the BSS84 is widely used in various electronic circuits.
How does BSS84 work?
The BSS84 MOSFET operates based on the principles of a field-effect transistor. When a positive voltage is applied to the gate terminal with respect to the source terminal, it creates an electric field that attracts free electrons from the source region into the channel region between the source and drain.
As the channel gets populated with electrons, it forms a conductive path, allowing the current to flow between the source and drain terminals. The amount of current flow is controlled by the voltage applied to the gate terminal. When the gate voltage is sufficiently high, the MOSFET is fully enhanced and allows maximum current flow. Conversely, when the gate voltage is low or zero, the MOSFET is turned off, and minimal current flows.
What is the use of BSS84?
The BSS84 MOSFET finds applications in various electronic circuits where switching or amplification functions are required. Some common uses include:
- Switching applications: The BSS84 is used to control the flow of current in electronic switches, relays, or power supplies. Its low on-resistance and fast switching capabilities make it suitable for efficient power management.
- Amplification: The BSS84 can be used as a small-signal amplifier in audio amplifiers, signal processing circuits, or low-power applications where voltage gain is needed.
- Level shifting: With its low gate threshold voltage and compatibility with microcontrollers and low-voltage signals, the BSS84 is often used for level shifting between different logic levels in digital circuits.
BSS84 Features
- High Voltage Capability: It exhibits exceptional voltage handling capabilities, with a maximum drain-source voltage of 50 V. This feature makes it an excellent choice for applications that require power switching or control in high-voltage environments. It ensures reliable performance and safety even under demanding conditions.
- Low On-Resistance: With a remarkably low on-resistance of just 10 Ohms, it facilitates efficient current flow. By minimizing power losses and reducing resistance, it significantly enhances the overall system efficiency. This characteristic makes it ideal for applications where power management is critical.
- Compact Size: It comes in a compact SOT23 package, making it highly suitable for space-constrained designs. Its small form factor allows for seamless integration into compact electronic devices where size optimization is crucial. This MOSFET enables engineers to design sleek and portable products without compromising on performance.
- Wide Operating Temperature Range: Designed to withstand extreme temperatures, it operates reliably within a broad temperature range from -55°C to 150°C. This wide operating temperature range ensures consistent performance and functionality, even in harsh hot or cold environments. It offers versatility and reliability across a diverse range of applications.
By combining its high voltage capability, low on-resistance, compact size, and wide operating temperature range, the BSS84 proves itself as a versatile MOSFET well-suited for various power management and switching applications. Its robust features enable engineers to create efficient and reliable electronic systems while overcoming challenges posed by voltage, space, and temperature constraints.
BSS84 Price
The price of the BSS84 MOSFET can vary depending on factors such as the manufacturer, distributor, package type, and quantity ordered. To obtain accurate pricing information, it is recommended to check with electronic component suppliers, distributors, or online marketplaces that offer pricing details for specific components.
Here is the reference price table, you can read it to make a budget:
| Quantity | Price |
|---|---|
| 1+ | $0.39 |
| 10+ | $0.316 |
| 100+ | $0.168 |
| 500+ | $0.111 |
| 1000+ | $0.075 |
Note: Minimum: 1 Multiple: 1 Price For Each
BSS84LT1G
Introduction
BSS84LT1G is a specific variant of the BSS84 MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). The “LT1G” in the part name refers to the package type and indicates that it is available in a surface-mount SOT-23 package.
Pcb Symbol and Footprint
Datasheet
If you want to check the datasheet of “BSS84LT1G”, you can click the picture below to read the pdf document!
Conclusion
In conclusion, the BSS84 MOSFET offers a compact and efficient solution for various switching and amplification tasks in electronic circuits. With its P-channel enhancement mode design, low on-resistance, and compatibility with microcontrollers, the BSS84 finds widespread use in power management, audio amplification, and level shifting applications.
