HNST WELCOME！ 0755-23173910

English |中文

{{searchSelectTypeText}}

Search

current diverter Alloy resistance SMD fuse fuse ever ohms walter Precision resistor

Cart {{cartCount}}

你当前的浏览器版本过低或不支持。请升级或更换浏览器。推荐浏览器 Chrome Edge。

ZUMT491,CJ,Bipolar Transistors

ZUMT491

Bipolar Transistors ,ZUMT491 ,NPN ,VCEO:60V ,VCBO: 80V ,250mW ,1000mA ,SOT-323

✖

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

Data Sheet： ZUMT491_SOT-323

Product number：	QT-TQT768N60VC20170602CJ
Manufacturer Product Number：	ZUMT491
Manufacturer ：	CJ
Series ：	CJ-TRANSISTOR
Product Type ：	Bipolar Transistors
Polarity ：	NPN
Emitter Voltage(VCEO) ：	60V
Base Voltage(VCBO) ：	80V
Power Disspation ：	250mW
package ：	SOT-323
Description：	Bipolar Transistors ,ZUMT491 ,NPN ,VCEO:60V ,VCBO: 80V ,250mW ,1000mA ,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	ZUMT491_SOT-323

Lead time： Estimated delivery date 2026-07-12

Online Inquiry

Product Recommendation Maker Dynamics Applications

Product Recommendation Maker Dynamics Applications

What are the differences between SiC SBD and SiC MOSFET? SiC SBD and SiC MOSFET are chips made of polarized silicon carbide material, which have high heat dissipation and conductivity. The difference lies in:

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.

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;

Calculation method and formula for MOS transistor losses The losses of MOS transistors can be estimated by calculating their current losses and power losses. Current loss refers to the loss caused by the passage of current inside a MOS transistor, which is due to the resistance loss between electrons and the silicon substrate when passing through the MOS transistor. This loss can be calculated using the following formula:

Why is the development of high-voltage SiC MOSFET devices slow High voltage SiC MOSFET devices have many advantages, such as low on resistance, high temperature performance, and high-frequency characteristics, and therefore have broad prospects in some applications, such as electric vehicles, power electronic converters, and solar inverters. However, the development of these devices has been relatively slow, possibly due to the following reasons:

Advantages of SIC MOSFET modules The MOS module is a network connection network server developed by CiscoIOS, which can download quickly and effectively manage network server resources. The MOS module enables administrators to access network servers more conveniently to manage servers, modify server communication parameters, and modify server business scripts. MoS provides more possibilities and flexibility for enhancing applications, and also solves traditional system management problems, providing more flexibility and adaptability for system management.

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.

Detailed explanation of reverse recovery principle of silicon carbide (SiC) diode Silicon carbide diodes are unipolar devices, so compared to traditional silicon fast recovery diodes (silicon FRDs), silicon carbide diodes have ideal reverse recovery characteristics. When the device switches from forward to reverse blocking direction, there is almost no reverse recovery power, and the reverse recovery time is less than 20ns. Even the reverse recovery time of 600V10A silicon carbide diodes is less than 10ns.

5 important techniques for selecting gallium nitride (SiC) MOSFETs To prove that your choice of SiC as the preferred power semiconductor for switch mode design is correct, please consider the following prominent features. Compared to standard or super junction MOSFETs or even IGBTs, SiC devices can operate at higher voltages, frequencies, and temperatures. Most of the power loss of other devices does not exist in SiC devices, so the efficiency of SiC devices can reach over 90% in most applications. Initially, SiC devices were more expensive than other MOSFETs or IGBTs.

Product Recommendation Maker Dynamics Applications

Product number： {{currentProduct.code}}

Product information： {{currentProduct.descCn}}

Order quantity： {{currentProduct.num}}

Cart （{{myCartItems.length}}Item）

Total amount：

{{isCn?'￥':'$'}}{{cartProductTotal}}