
Allicdata Part #: | VS-181RKI40-ND |
Manufacturer Part#: |
VS-181RKI40 |
Price: | $ 43.79 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Vishay Semiconductor Diodes Division |
Short Description: | SCR 400V 285A TO-93 |
More Detail: | SCR 400V 285A Standard Recovery Chassis, Stud Moun... |
DataSheet: | ![]() |
Quantity: | 1000 |
12 +: | $ 39.80390 |
Specifications
Current - On State (It (RMS)) (Max): | 285A |
Supplier Device Package: | TO-209AB (TO-93) |
Package / Case: | TO-209AB, TO-93-4, Stud |
Mounting Type: | Chassis, Stud Mount |
Operating Temperature: | -40°C ~ 125°C |
SCR Type: | Standard Recovery |
Current - Non Rep. Surge 50, 60Hz (Itsm): | 3500A, 3660A |
Current - Off State (Max): | 30mA |
Current - Hold (Ih) (Max): | 600mA |
Series: | -- |
Current - On State (It (AV)) (Max): | 180A |
Voltage - On State (Vtm) (Max): | 1.35V |
Current - Gate Trigger (Igt) (Max): | 150mA |
Voltage - Gate Trigger (Vgt) (Max): | 2.5V |
Voltage - Off State: | 400V |
Part Status: | Active |
Packaging: | Bulk |
Description
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Thyristors - SCRsThe VS-181RKI40 Thyristor is a member of a family of Silicon Controlled Rectifiers that offers high performance and superior circuit protection, suitable for a wide range of AC and DC applications. Boasting top-notch features such as a maximum voltage rating of 400V, a gate lead designed to protect against shorts and static electricity, an insulated housing and an indoor-rated design, this thyristor is an ideal solution for power supply, battery charger and motor control applications.In terms of application fields, the VS-181RKI40 is best suited for power supplies, motor control, battery charging, lighting control and AC motor control systems. It is commonly used for circuit protection and motor start-stop operation, as well as for AC switching and a variety of other operations. With its resistor-capacitor-diode circuit configuration, this thyristor is also used for static switching applications and contactor-type control.When it comes to working principle, the VS-181RKI40 Thyristor is a four-layer solid-state switch that operates on the principle of four-layer p+npn+n junction. It is a controllable rectifier which works on the principle of thyristor action. When the gate potential is triggered, current pulses are applied to the anode and the thyristor turns on. After sufficient current is applied to the anode, the behaviour of the thyristor changes and it remains in the on state until the current drops below a certain level, at which point the thyristor turns off. The control of the gate current is necessary to switch the thyristor on and off and the level of the gate current varies depending on the device used. As a solid-state switch, the VS-181RKI40 is preferred in applications that require reduced maintenance and better reliability.The design of the VS-181RKI40 includes several key features that make it suitable for a variety of AC/DC operations. First, the insulation sleeve makes it suitable for reliable operation in humid and dusty environments. Second, its high junction temperature rating ensures that it remains operational even at higher temperatures. Third, the reduced power dissipation of this thyristor helps to minimize the risk of overheating. Fourth, the integrated surge suppression circuit provides the best protection for power supply circuits and is suitable for motor control applications. Finally, the current gain of the thyristor is high and its low on-state voltage helps to reduce power losses.The VS-181RKI40 Thyristor is a reliable and cost-effective solution for a wide range of AC/DC applications. It offers high performance and superior circuit protection, making it a popular choice for power supplies, battery charging, motor control, lighting control and AC motor control systems, among others. Its features make it an excellent choice for applications requiring reliable operation under harsh environmental conditions. Finally, its reduced power dissipation and voltage ratings help to minimize power losses while providing sufficient protection against overloads and shorts, making this thyristor a great option for a variety of applications.
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