C434B

Series:	--
Packaging:	--
Part Status:	Active
Current - Non Rep. Surge 50, 60Hz (Itsm):	--
SCR Type:	Standard Recovery
Operating Temperature:	--
Mounting Type:	--
Package / Case:	--
Supplier Device Package:	--

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Thyristors - SCRs

Thyristors are electronic components that serve as a switch in a circuit. They are commonly used in motor control applications and can switch at a wide range of currents, providing fast response times. There are several types of Thyristors, each designed to suit particular application requirements. One type of Thyristor is the SCR, which is an acronym for silicon-controlled rectifier. In this article, we will discuss the application field and working principle of SCR C434B.The C434B is a 4-pin, fully-diffused, sensitive gate, low-power Thyristor. It is ideal for temperature and speed control applications, and can be found in light dimmers, appliance circuit controls and AC motor controls. The C434B has relatively low maximum current ratings and is designed to switch low-power DC, AC or pulse circuits.The C434B has four pins, denoted by S, G, A, and K. The main body of the Thyristor is a semiconductor material, usually silicon.The S pin serves as the anode, and the A pin serves as the cathode. The G pin serves as the gate, which is where the voltage is applied to control switching of the device. Finally, the K pin serves as a sink for the current, allowing the gate to be turned off when the current reaches a certain level.The C434B is an SCR, which means that the gate voltage is independent of the anode voltage for a given gate current. This allows for various operating modes such as continuous conduction, phase angle control and peak current mode. When the gate voltage is applied, the SCR begins to conduct and the current starts increasing linearly. When the current reaches its peak, the gate voltage is turned off and the current will decrease to zero.The working principle of the C434B is fairly simple and requires no external components. When the gate voltage is applied, the SCR turns on and current starts to flow through the device. The current level can be controlled by the gate voltage, with the peak current reached when the gate voltage is removed.The SCR C434B can be used in a variety of different applications. It can be used to drive motors, as well as to control electric heaters and LEDs. In addition, it can be used in light dimmers, appliance controls, AC lamps and cooling fans.In conclusion, the SCR C434B is a 4-pin, sensitive gate, low-power Thyristor that is suitable for temperature and speed control applications. The device can be used for switching a variety of circuits, with the current being controlled by the gate voltage. The device itself requires no external components to operate.

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