Лучшее качество 61179828 IGBT SCR новый в наличии

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Products Description






Description
1. A silicon controlled rectifier or semiconductor controlled rectifier is a four-layer solid-state current-controlling device. The name "silicon controlled rectifier" is General Electric's trade name for a type of thyristor.
2. SCRs are unidirectional devices (i.e. can conduct current only in one direction) as opposed to TRIACs, which are bidirectional (i.e. charge carriers can flow through them in either direction). SCRs can be triggered normally only by a positive current going into the gate as opposed to TRIACs, which can be triggered normally by either a positive or a negative current applied to its gate electrode.


Feature
1. There are three modes of operation for an SCR depending upon the biasing given to it: Forward blocking mode (off state), Forward conduction mode (on state), Reverse blocking mode (off state)
2. Thyristor turn-on methods: forward-voltage triggering, gate triggering, dv/dt triggering, temperature triggering, light triggering



Application
1. SCRs are mainly used in devices where the control of high power, possibly coupled with high voltage, is demanded. Their operation makes them suitable for use in medium- to high-voltage AC power control applications, such as lamp dimming, power regulators and motor control.
2. SCRs and similar devices are used for rectification of high-power AC in high-voltage dc power transmission. They are also used in the control of welding machines, mainly GTAW (gas tungsten arc welding) and similar processes.






Company Profile






Shanghai Fradwell Industrial Automation Co., Ltd. is a customer-oriented independent stocking distributor for electronic components, industrial control and automation parts, also is a international trading company who specializes in import and export.

Our corporate headquarters is located in Shanghai of China, have been engaged in the industrial automation industry more than 10 years, we have exported more than 100 countries like USA, Mexico, Canada, Spain, Russia, Singapore, Thailand, India etc. We have a long history of high quality, high performance, efficiency and reliability.

We will quickly and accurately provide you with high-quality industrial automation parts at competitive prices without minimum order quantities and will deliver them overnight from our extensive inventory. Professional performance testing is conducted to insure highest quality before delivery.




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FAQ


1. How is your company?
Our company located in Shanghai of China, also have more than 10 years' experiences in Industrial automation field.

2. What's your main products?
Industrial Automation, Machine Accessories and Electronic Components, like PLC, Frequence Inverter, Servo Drive + Motor, IGBT Module, PCB Board and etc.

3. How about your lead time?
Most of goods can deliver within 1-2 days.

4. Do you provide the warranty for your goods?
Yes, we provide the warranty for all parts from our company.

5. Can you provide technology support for using?
Yes, we have professional engineers to provide technology survices for our goods.


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