Allicdata Part #: | BT151-500L,127-ND |
Manufacturer Part#: |
BT151-500L,127 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | WeEn Semiconductors |
Short Description: | THYRISTOR 12A 650V TO220AB |
More Detail: | SCR 500V 12A Standard Recovery Through Hole TO-220... |
DataSheet: | BT151-500L,127 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Current - Hold (Ih) (Max): | 20mA |
Base Part Number: | BT151 |
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): | 120A, 132A |
Current - Off State (Max): | 500µA |
Series: | -- |
Current - On State (It (RMS)) (Max): | 12A |
Current - On State (It (AV)) (Max): | 7.5A |
Voltage - On State (Vtm) (Max): | 1.75V |
Current - Gate Trigger (Igt) (Max): | 5mA |
Voltage - Gate Trigger (Vgt) (Max): | 1.5V |
Voltage - Off State: | 500V |
Part Status: | Active |
Packaging: | Tube |
Description
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Thyristors - SCRs
A thyristor is an alternative type of semiconductor switch, specifically classified as a solid-state device, that is capable of controlling high voltage and current. The BT151-500L,127 is a general-purpose thyristor (SCR) used for applications such as power switching, phase control, rectification, and program control.Structure
Structurally, an SCR comprises of four layers of alternating N and P type material. It is identified by three pins – an anode, a gate and a cathode. The anode and cathode are electrically connected at the junction. The anode is connected to the positive side of the circuit while the cathode is connected to the negative side of the circuit. The gate is then connected to the anode connection at one end, and the other end is left open.Working Principle
The BT151-500L,127, being a thyristor, is a non-linear device which is not dependent on the supply voltage or the current level. When the anode voltage and the gate voltage of the SCR are equal, and then it will conduct. This causes the cathode to be discharged and current begins to flow. The BT151-500L,127 then remains in a conducting state, until current level reduces to below the device’s holding current (IH).Applications
Generally, BT151-500L,127 thyristors are used for the following applications:- Phase control (e.g. controlling motor speed or light production).
- Switching of ac supplies (to control a circuit’s on/off cycle).
- Rectification (conversion of ac to dc).
- Automation control.
Safety and Maintenance
Since the BT151-500L,127 is a high-voltage device, safety is a major concern. It is important to ensure the SCR is correctly installed and proper insulation is provided when wiring. Additionally, regular maintenance should be performed to ensure efficient performance. This includes replacing the device if there is any noticeable wear or damage, and regular inspection of the device to ensure it is operating correctly and to avoid any hazardous situations.Conclusion
The BT151-500L,127 is a general purpose thyristor (SCR) used in a variety of applications. It is a solid state device capable of controlling high voltage and current and is known for its durability and reliability. Although it is a high voltage device, care must still be taken when using and maintaining the device to ensure safety.The specific data is subject to PDF, and the above content is for reference
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