MMBF5485
Product Overview
Category
The MMBF5485 belongs to the category of field-effect transistors (FETs).
Use
It is commonly used as a small-signal amplifier or switch in electronic circuits.
Characteristics
- Low power consumption
- High input impedance
- Small package size
Package
The MMBF5485 is typically available in a SOT-23 package.
Essence
This FET is essential for amplifying and switching signals in various electronic applications.
Packaging/Quantity
It is usually sold in reels containing a quantity of 3000 units.
Specifications
- Drain-Source Voltage (VDS): 25V
- Gate-Source Voltage (VGS): ±20V
- Drain Current (ID): 50mA
- Power Dissipation (PD): 225mW
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The MMBF5485 has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)
Functional Features
- High input impedance allows for minimal loading of preceding stages.
- Low power consumption makes it suitable for battery-operated devices.
- Fast switching speed enables quick response in switching applications.
Advantages and Disadvantages
Advantages
- Low power consumption
- Small package size
- High input impedance
Disadvantages
- Limited maximum drain current
- Relatively low voltage handling capability
Working Principles
The MMBF5485 operates based on the principle of controlling the flow of current between the source and drain terminals using the voltage applied to the gate terminal.
Detailed Application Field Plans
The MMBF5485 is widely used in the following applications: - Audio amplifiers - Signal processing circuits - Battery-operated devices - Switching circuits
Detailed and Complete Alternative Models
Some alternative models to the MMBF5485 include: - 2N7002 - BS170 - J310 - BF862
In conclusion, the MMBF5485 is a versatile field-effect transistor with high input impedance and low power consumption, making it suitable for various small-signal amplification and switching applications. Its compact size and functional features make it an ideal choice for modern electronic designs.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät MMBF5485 :n soveltamiseen teknisissä ratkaisuissa
What is MMBF5485?
- MMBF5485 is a JFET (junction field-effect transistor) commonly used in electronic circuits for switching and amplification.
What are the key specifications of MMBF5485?
- The MMBF5485 has a maximum drain-source voltage of 25V, a maximum gate-source voltage of 25V, and a maximum continuous drain current of 50mA.
How can MMBF5485 be used in technical solutions?
- MMBF5485 can be used in applications such as signal amplification, analog switches, and voltage-controlled resistors.
What are the typical operating conditions for MMBF5485?
- The typical operating conditions for MMBF5485 include a drain-source voltage of 25V, a gate-source voltage of 0 to -20V, and a drain current of up to 10mA.
What are the advantages of using MMBF5485 in technical solutions?
- MMBF5485 offers low input capacitance, high input impedance, and low noise, making it suitable for low-power, high-frequency applications.
Can MMBF5485 be used in audio amplifier circuits?
- Yes, MMBF5485 can be used in audio amplifier circuits due to its low noise characteristics and high input impedance.
Are there any limitations or considerations when using MMBF5485?
- It's important to consider the maximum ratings and operating conditions to avoid damaging the MMBF5485. Additionally, proper biasing and temperature considerations are important for optimal performance.
What are some common alternatives to MMBF5485?
- Common alternatives to MMBF5485 include JFETs such as 2N5457, J201, and BF256B, which have similar characteristics and can be used in similar applications.
Can MMBF5485 be used in low-power sensor applications?
- Yes, MMBF5485 can be used in low-power sensor applications due to its low input capacitance and low noise characteristics.
Where can I find detailed application notes for using MMBF5485 in technical solutions?
- Detailed application notes for using MMBF5485 can be found on semiconductor manufacturer websites, electronics forums, and technical literature related to JFET applications.