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MMBF4393

Name: MMBF4393
Rating: 4.7 (12 reviews)

JFET N-CH 30V SOT23-3

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資料表 MMBF4393 DataSheet
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規格

Part Status	Obsolete
FET Type	N-Channel
Voltage - Breakdown (V(BR)GSS)	30 V
Drain to Source Voltage (Vdss)	30 V
Current - Drain (Idss) @ Vds (Vgs=0)	5 mA @ 20 V
Voltage - Cutoff (VGS off) @ Id	500 mV @ 1 nA
Input Capacitance (Ciss) (Max) @ Vds	14pF @ 20V
Power - Max	350 mW
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SOT-23-3
Base Product Number	MMBF43
Resistance - RDS(On)	100 Ohms

概述

Description

MMBF4393 is a type of N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) commonly used in electronic circuits. It is characterized by its high switching speed and low on-resistance, making it suitable for applications such as amplifiers, switching power supplies, and signal modulation.
The device operates by using voltage applied to its gate terminal to control the flow of current between its drain and source terminals. This feature enables efficient power management and fast signal processing in various electronic devices.
MMBF4393 is often favored in low-power applications due to its compact size and efficiency, allowing it to handle small load currents while maintaining reliable performance. Understanding its operation principles, specifications, and typical applications is essential for engineers and designers working in electronics and semiconductor fields.

Features

The MMBF4393 is an N-channel MOSFET designed for low voltage applications. Key features include:
1. Voltage Rating: It has a maximum drain-source voltage (V_DSS) of 30V.
2. Continuous Drain Current: The maximum continuous drain current (I_D) is typically around 5.6A, suitable for various switching applications.
3. Low R_DS(on): It offers a low on-resistance (R_DS(on)), typically around 0.1 ohm, which enhances efficiency by reducing power loss.
4. Fast Switching Speed: The MMBF4393 provides fast switching capabilities, making it ideal for high-frequency applications.
5. Package Type: It is usually available in a compact SOT-23 package, which is beneficial for space-constrained designs.
6. Gate Threshold Voltage: The gate threshold voltage (V_GS(th)) is typically in the range of 1 to 3V, facilitating easy drive from low-voltage logic circuits.
These features make the MMBF4393 suitable for use in power management, signal switching, and various consumer electronics applications.

Package

The MMBF4393 is typically available in a surface-mount package type, specifically the SOT-23. This compact package design is suitable for various applications in electronics, providing efficient space utilization on circuit boards.

Pinout

The MMBF4393 is a dual N-channel MOSFET in a surface-mount package, specifically the SOT-23. It has a total of 6 pins. The pin functions are as follows:
1. Gate 1 (G1) - Control input for the first N-channel MOSFET.
2. Drain 1 (D1) - Output for the first N-channel MOSFET, connected to the load.
3. Source 1 (S1) - Source terminal for the first N-channel MOSFET, usually connected to ground.
4. Gate 2 (G2) - Control input for the second N-channel MOSFET.
5. Drain 2 (D2) - Output for the second N-channel MOSFET, connected to the load.
6. Source 2 (S2) - Source terminal for the second N-channel MOSFET, usually connected to ground.
This configuration allows the device to control two independent loads with a compact form factor.

Manufacturer

The MMBF4393 is a product manufactured by Nexperia, a company known for its expertise in producing discrete semiconductor devices, logic devices, and MOSFETs. Nexperia specializes in offering high-quality, reliable electronic components for a variety of applications, including automotive, industrial, and consumer electronics. The company focuses on providing efficient, high-performance solutions while maintaining a commitment to sustainability and innovation in the semiconductor industry.

Application

The MMBF4393 is a N-channel MOSFET primarily used in low-voltage applications such as switching power supplies, motor control, and RF amplification. Its features make it suitable for high-speed switching, low on-resistance, and efficient power management in portable devices. Additionally, it can be used in audio amplification and as a general-purpose switch in various electronic circuits.

Equivalent

The MMBF4393 is a dual N-channel MOSFET. Equivalent products include the 2N7000, BS170, and MPF102. These alternatives may have slightly different specifications, so it's essential to check their datasheets for compatibility with your specific application.