Allicdata Part #: | BT151S-500L,118-ND |
Manufacturer Part#: |
BT151S-500L,118 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | WeEn Semiconductors |
Short Description: | THYRISTOR 500V 12A DPAK |
More Detail: | SCR 500V 12A Standard Recovery Surface Mount DPAK |
DataSheet: | BT151S-500L,118 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Current - Hold (Ih) (Max): | 20mA |
Base Part Number: | BT151 |
Supplier Device Package: | DPAK |
Package / Case: | TO-252-3, DPak (2 Leads + Tab), SC-63 |
Mounting Type: | Surface Mount |
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: | Tape & Reel (TR) |
Description
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Thyristors - SCRs
The BT151S-500L,118 is one type of thyristor SCR (silicon-controlled rectifier). This heavily doped semiconductor device is mainly used as a switching device. It is both a current regulating device and an electronic switch. It was developed in the 1950s, and since then has been widely used in many electric and electronic applications today.What is an SCR?
An SCR is an electronic component which is basically a four-layer, three-terminal semiconductor switch made of silicon. It consists of three main components, namely gate, anode, and cathode. The gate is positively charged and serves as the control point of the device, responsible for operating the device and switching the device off selectively based on an external trigger. The anode and the cathode are connected to the rectifier side and the load side, respectively. When a positive signal is applied to the gate, it draws current from the anode and flows to the cathode.Working Principle of SCR
An SCR acts as a two-way switch. The functioning of an SCR depends on the current flow between anode and cathode terminals. When a positive signal is supplied to the gate, the current flows through the circuit, thus turning on the device and allowing current to flow. This is the forward-biased state of the SCR. Once turned on, the current remains flowing until the supply to the gate is removed. The current can be regulated by maintaining a constant voltage across the anode and the cathode.Application Areas of SCR
The SCR can be found in many areas such as electric motor speed control, AC variable speed drives, power factor correction, and adjustable output regulation. It can be used to control the power supply for electric welding machines, and can also be used in protection devices such as circuit breakers and over-current protection. Additionally, it can be used to control the power output of audio amplifiers and lighting control systems. It is also used in applications such as controlling power supplies and motor speed control, as well as in applications such as motor starting, ripple compensation, and surge suppression. SCRs are also commonly used in robotic and automated industrial systems, providing a means of controlling and managing the electrically powered devices in these systems.Conclusion
The BT151S-500L,118 is a thyristor SCR which is used in many electric and electronic applications. It acts as a two-way switch and the current flow between the anode and cathode can by regulated by maintaining a constant voltage. It is commonly used in applications such as motor speed control, power factor correction, adjustable output regulation, protection devices, and surge suppression. With the wide range of applications, thyristor SCRs are an important component for a variety of industries.The specific data is subject to PDF, and the above content is for reference
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