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MMST3904,CJ,Bipolar Transistors

MMST3904

Bipolar Transistors ,MMST3904 ,NPN ,VCEO:40V ,VCBO: 60V ,200mW ,200mA ,SOT-323

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The image is for reference only, please refer to the drawing for details

Data Sheet： MMST3904_SOT-323

Product number：	QT-TQT672N40VC02060202CJ
Manufacturer Product Number：	MMST3904
Manufacturer ：	CJ
Series ：	CJ-TRANSISTOR
Product Type ：	Bipolar Transistors
Polarity ：	NPN
Emitter Voltage(VCEO) ：	40V
Base Voltage(VCBO) ：	60V
Power Disspation ：	200mW
package ：	SOT-323
Description：	Bipolar Transistors ,MMST3904 ,NPN ,VCEO:40V ,VCBO: 60V ,200mW ,200mA ,SOT-323

Series Introduce Find Similar

Attribute Name	Attribute Value
Manufacturer	CJ
Product Series	CJ-TRANSISTOR
Product Type	Bipolar Transistors
EU RoHS	Compliant(2011/65/EU)
EU REACH	Dose not contain REACH SVHC(1907/2006/EC)

Series Introduce Find Similar

File

File Type	File Name
Data Sheet	MMST3904_SOT-323

Lead time： Estimated delivery date when out of stock 2026-05-10

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Unit Price

5

$0.040210

20

$0.028482

100

$0.025131

300

$0.018429

Quantity

Unit Price

1000

$0.014241

3000

$0.011728

* Order quantity ：

MPQ：3000

MOQ： 3000

MOQ：5

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Product Recommendation Maker Dynamics Applications

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What is SiC MOSFET? SIC MOSFET (Silicon Carbide MOSFET) is a new type of semiconductor device with high thermal stability, high conductivity, and high frequency characteristics. Learning SIC MOSFET includes the following aspects:

Silicon carbide MOSFET modules have significant advantages in the application of high-power power systems such as photovoltaics, wind power, electric vehicles, and rail transit. The advantages of high voltage, high frequency, and high efficiency of silicon carbide devices can break through the limitations of existing electric vehicle motor designs due to device performance, which is currently the focus of research and development in the field of electric vehicle motors at home and abroad.

Wide application of silicon carbide (SiC) MOSFET in new energy charging piles Silicon carbide power devices cover series such as 650V/2A-100A, 1200V/2A-90A, 1700V/5A-80A, etc. The products have been put into mass production and can fully benchmark the advanced quality and level of international brand peers. We have successively launched full current voltage level silicon carbide Schottky diodes and silicon carbide MOSFET series products that have passed industrial and automotive reliability tests, with performance reaching the international advanced level. They are applied in fields such as solar inverters, new energy electric vehicles and charging piles, smart grids, high-frequency welding, rail transportation, industrial control special power supplies, and national defense and military industries.

The working environment and application market of SiGaNSiC MOSFETs and Si IGBTs Compared with MOSFET, SiC perfectly solves the problem of difficult simultaneous implementation of high voltage and high frequency in silicon-based materials. Based on compatibility with high voltage and medium frequency, SiC MOSFET has become the optimal solution for electric vehicles, charging stations, and photovoltaic inverters (without considering cost) due to its high efficiency and small size;

What are the measures for surge suppression? The reasons for generating surges are multifaceted, and surges are a type of spike pulse with high rising speed and short duration. Overvoltage in the power grid, switch ignition, reverse voltage, static electricity, and motor/power supply noise are all factors that cause surges. And surge protectors provide a simple, economical, and reliable protection method for power surge protection of electronic devices.

The Development Trend of High Voltage SiC MOSFET The research on high-voltage SiC MOSFETs is gradually deepening, mainly focusing on the design, preparation, and detection of high-voltage SiC MOSFETs. In the past two years, Sic Mosfet has broken through the peak tunneling voltage of 2600V, with crystal surface insulation characteristics as high as 200MV • cm-1, and static performance reaching 500A/1700V for a single chip in a half bridge topology. It can also support constant current and constant voltage regulator operation. In addition, there are SiC Mosfets designed for solid-state dye solar energy to meet the needs of these applications.

Calculation methods for P-channel enhanced VDS and CGS In a P-channel Enhanced Mode FET, VDS represents the voltage between the drain and source, while CGS represents the capacitance between the gate and source. When calculating VDS, it is necessary to consider the working state of the P-Channel Enhanced Mode FET. Generally, the following formula can be used for calculation:

Design and Manufacturing Process of Silicon Carbide (SiC) MOSFET Chip For silicon carbide MOSFETs (SiC MOSFETs), high-quality substrates can be purchased externally, and high-quality epitaxial wafers can also be purchased externally. However, this only provides a good foundation for obtaining a silicon carbide device. High performance silicon carbide devices have extremely high requirements for device design and manufacturing processes. This article will introduce you to the design and manufacturing process of SiC MOSFET devices.

Analysis of Silicon Carbide (SiC) Technology Barriers: What are the Silicon Carbide Technology Barriers Groove type silicon carbide power devices have greater manufacturing difficulty. According to the different device structures, silicon carbide power devices can be mainly divided into planar devices and trench devices. Flat silicon carbide power devices have good unit consistency, simple manufacturing process, but are prone to JFET effect and have high parasitic capacitance and on state resistance. Compared to planar devices, groove type silicon carbide power devices have lower unit consistency and more complex manufacturing processes. However, the groove structure is beneficial for increasing device unit density, reducing the occurrence of JFET effect, and solving the problem of low channel mobility. It has excellent performance such as low on resistance, low parasitic capacitance, and low switching energy consumption, and has significant cost and performance advantages. It has become the mainstream direction of silicon carbide power device development.

Combination of Silicon Carbide (SiC) Power Management Solutions Silicon carbide solutions support the replacement of aircraft's pneumatic and hydraulic systems with smaller, lighter, and more efficient electrical solutions to power onboard AC generators, actuators, and auxiliary power units (APU). This type of solution can also reduce the maintenance requirements of these systems. However, the most significant contribution of SiC technology lies in its mission to electrify commercial transport vehicles, which are one of the world's largest sources of GHG emissions. With the advent of 1700V metal oxide semiconductor field-effect transistors (MOSFETs) and configurable digital gate drive technology, today's SiC solutions enable designers to generate maximum productivity with minimal energy consumption for these systems.

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