
Allicdata Part #: | VS-ST333S04PFM0P-ND |
Manufacturer Part#: |
VS-ST333S04PFM0P |
Price: | $ 107.46 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Vishay Semiconductor Diodes Division |
Short Description: | SCR 400V 518A TO-118 |
More Detail: | SCR 400V 518A Standard Recovery Chassis, Stud Moun... |
DataSheet: | ![]() |
Quantity: | 1000 |
6 +: | $ 97.69620 |
Specifications
Current - On State (It (RMS)) (Max): | 518A |
Supplier Device Package: | TO-209AE (TO-118) |
Package / Case: | TO-209AE, TO-118-4, Stud |
Mounting Type: | Chassis, Stud Mount |
Operating Temperature: | -40°C ~ 125°C |
SCR Type: | Standard Recovery |
Current - Non Rep. Surge 50, 60Hz (Itsm): | 9250A, 9700A |
Current - Off State (Max): | 50mA |
Current - Hold (Ih) (Max): | 600mA |
Series: | -- |
Current - On State (It (AV)) (Max): | 330A |
Voltage - On State (Vtm) (Max): | 1.96V |
Current - Gate Trigger (Igt) (Max): | 200mA |
Voltage - Gate Trigger (Vgt) (Max): | 3V |
Voltage - Off State: | 400V |
Part Status: | Active |
Packaging: | Bulk |
Description
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Thyristors - SCRs: VS-ST333S04PFM0P application field and working principle
Thyristors are capacitive electrical components with high accuracy and switching capability, and they are the most commonly used components in the fields of industrial processes and automotive, such as Electro-Optics (EO) and Electric Power Systems (EPS). The VS-ST333S04PFM0P is a thyristor, more specifically a SCR (Silicon Controlled Rectifier). It features action at every trigger in forward but only one in the reverse direction. This component has cost and size advantages therefore, its application becomes more popular now.
Application field
VS-ST333S04PFM0P has a broad range of application fields. For example, in communication systems, it is applied in the power control circuits, thus supplied the regulated voltage for their electronic circuit board, especially for the shield devices. For automotive system, VS-ST333S04PFM0P can be used in the audio system to control the sound of the speakers. In the motor worked system, it can be applied in the motor relay to control the opening and closing of the motor switch, providing with high switching performance and intelligence.
Working Principle
VS-ST333S04PFM0P SCR has three terminals: anode, cathode, and gate. Under normal conditions, current is not able to pass through this component since the anode-cathode voltage is reversed biased. When the gate is triggered, it turn on the SCR and allow the current to pass through. And for the off condition, the voltage across the anode and cathode of SCR will be reversed biased again, blocking the current flow.
The two main parameters affecting the performance of VS-ST333S04PFM0P SCR are holding current, and gate triggering current. Holding current is the minimum electric current needed to maintain the on state when the SCR is turned on, and the gate triggering current is the minimum electric current needed to turn on the SCR.
The OFF-state characteristics of VS-ST333S04PFM0P SCR are important when selecting the SCR for use. It is in reference to the forward voltage drop (VF) of the SCR under blocking condition. When the forward voltage applied is below the VF, the SCR will remain forward blocked.
The specific data is subject to PDF, and the above content is for reference
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