![MCR218-4G Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | MCR218-4GOS-ND |
Manufacturer Part#: |
MCR218-4G |
Price: | $ 0.98 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Littelfuse Inc. |
Short Description: | THYRISTOR SCR 8A 200V TO220AB |
More Detail: | SCR 200V 8A Standard Recovery Through Hole TO-220A... |
DataSheet: | ![]() |
Quantity: | 31 |
1 +: | $ 0.89460 |
10 +: | $ 0.79065 |
25 +: | $ 0.71417 |
100 +: | $ 0.62483 |
250 +: | $ 0.54830 |
500 +: | $ 0.48455 |
1000 +: | $ 0.38254 |
2500 +: | $ 0.35703 |
5000 +: | $ 0.33918 |
Current - Hold (Ih) (Max): | 30mA |
Base Part Number: | MCR218 |
Supplier Device Package: | TO-220AB |
Package / Case: | TO-220-3 |
Mounting Type: | Through Hole |
Operating Temperature: | -40°C ~ 125°C |
SCR Type: | Standard Recovery |
Current - Non Rep. Surge 50, 60Hz (Itsm): | 100A @ 60Hz |
Current - Off State (Max): | 10µA |
Series: | -- |
Current - On State (It (RMS)) (Max): | 8A |
Voltage - On State (Vtm) (Max): | 1.8V |
Current - Gate Trigger (Igt) (Max): | 25mA |
Voltage - Gate Trigger (Vgt) (Max): | 1.5V |
Voltage - Off State: | 200V |
Part Status: | Active |
Packaging: | Bulk |
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Thyristors - SCRs
MCR218-4G Application Field and Working Principle
Thyristors, also known as silicon-controlled rectifiers (SCRs), are a type of component used in a variety of electrical applications. A thyristor is a four-layer semiconductor device composed of alternating p-type and n-type material layers that can control a large voltage and current. The MCR218-4G thyristor is a type of SCR used in various applications, including motor control and power regulation.
The MCR218-4G is a high-voltage thyristor (up to 1600 VDRM) designed to switch high currents (up to 600 Amps). It discretely controls the on/off switching of motors, as well as the current output of power supplies. The MCR218-4G is typically used in high-reliability applications, such as elevators, automated device control, and power conditioning equipment.
When the anode of the MCR218-4G is connected to the positive terminal of the power source and the cathode is connected to the negative terminal, the thyristor is “locked” in the on state. Once it is in the on state, a sudden decrease in current will cause the circuit to break, switching the thyristor to its off state. Then, an increase in current will cause the thyristor to switch on again.
In order to control the performance of the thyristor, some additional components are required. This includes diodes,resistors, and capacitors. The diodes are used to ensure proper voltage polarity across the thyristor, the resistors are used to limit the amount of current that can flow through the thyristor, and the capacitors are used to buffer the voltage across the thyristor.
The MCR218-4G is also capable of high-speed Pulse-Width Modulation (PWM).Pulse-Width Modulation is a technique used to control the amount of current delivered to a load. A PWM signal is sent to the thyristor, which is then used to control the amount of current flowing through the load. This technique is useful for regulating the power output of electrical appliances, such as electric motors.
The MCR218-4G is a robust and reliable thyristor solution for a variety of high-voltage and high-current applications. It is capable of switching high currents, controlling voltage polarity, and performing Pulse-Width Modulation. The components that are required to properly use the thyristor, such as diodes, resistors, and capacitors, must be accurately selected in order to ensure optimal performance.
The MCR218-4G thyristor is widely used in a range of applications, from motor control to power conditioning, and it is an essential component for reliably controlling electrical circuits.
The specific data is subject to PDF, and the above content is for reference
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