NP0900SCMCT3G Circuit Protection

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	98V
Voltage - Off State:	75V
Voltage - On State:	4V
Current - Peak Pulse (8/20µs):	400A
Current - Peak Pulse (10/1000µs):	100A
Current - Hold (Ih):	150mA
Number of Elements:	1
Capacitance:	33pF
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB

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Introduction

Thyristors are an important element in the world of power electronics. In fact, it is one of the most commonly used element in power systems and it is essential for modern electronic devices. The NP0900SCMCT3G thyrister was recently introduced in the market and is widely being accepted by the professionals. It consists of a four-layered silicon diode, a silicon controlled rectifier, a gate driver and a series of diodes. In this article, we will discuss the application field of the device and working principle of the NP0900SCMCT3G in detail.

Application Field

The NP0900SCMCT3G can be used in a variety of applications including motor drive systems, industrial control systems, power conversion systems, and surge protection. The device is specially designed to be used in low-voltage and high-current scenarios, which can be found in motor drives, adjustable speed drives, power electronics and more. This type of thyristor is also suitable for a variety of other applications, like UPS systems, renewable energy and lighting control. Additionally, the NP0900SCMCT3G is commonly used in switch-mode power supplies, where it can be used as a switch or as a current-limiter.

Working Principle

The working principle of the NP0900SCMCT3G thyristor is based on a simple switching concept. It consists of four layers of silicon semiconductors, which can be found in the junction area of the device. The inner two layers are made up of P-type material while the outer two layers are N-type. The four layers create four PN junctions. When a current passes through the thyristor, it creates an electrical flow through the four layers. This current flow allows the thyristor to switch on and off.When the voltage across the thyristor is first applied, a “threshold voltage” is required for it to turn on. This “threshold voltage” is equivalent to the breakdown voltage of the device. Once this threshold voltage is reached, the NP0900SCMCT3G will turn on and the thyristor becomes conductive. If the current is removed from the thyristor, it will then turn off, thereby isolating the electrical circuit from voltage changes.

Conclusion

In conclusion, the NP0900SCMCT3G thyristor is an important element in the world of power electronics. It can be used in a variety of applications and is specially designed to be used in low-voltage and high-current scenarios. Additionally, its working principle is based on a simple switching concept that allows it to turn on and off. As a result, the NP0900SCMCT3G can be used as a switch or a current limiter in switch-mode power supplies.

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