| Allicdata Part #: | BTA40-400B-ND |
| Manufacturer Part#: |
BTA40-400B |
| Price: | $ 0.00 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | STMicroelectronics |
| Short Description: | TRIAC 400V 40A RD-91 |
| More Detail: | TRIAC Standard 400V 40A Chassis Mount RD91 |
| DataSheet: |  BTA40-400B Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Bulk |
| Part Status: | Obsolete |
| Triac Type: | Standard |
| Voltage - Off State: | 400V |
| Current - On State (It (RMS)) (Max): | 40A |
| Voltage - Gate Trigger (Vgt) (Max): | 1.3V |
| Current - Non Rep. Surge 50, 60Hz (Itsm): | 400A, 420A |
| Current - Gate Trigger (Igt) (Max): | 50mA |
| Current - Hold (Ih) (Max): | 80mA |
| Configuration: | Single |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Chassis Mount |
| Package / Case: | RD91-3 (Insulated) |
| Supplier Device Package: | RD91 |
| Base Part Number: | BTA40 |
Description
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Thyristors – TRIACs are electronic switching devices used for controlling AC current. They are also called bidirectional switches, and are classified as a type of power semiconductor devices along with rectifiers, diodes, and transistors. The BTA40-400B is a Silicon Controlled Rectifier (SCR) switch that operates in both directions, allowing current to be applied to either terminal of the device. It is commonly used in applications such as DC power supplies and AC power distribution circuits.The main working principle of the BTA40-400B is based on its rectifying properties. As a bidirectional switch, it has two terminals, an anode and a cathode. When a positive voltage is applied to the anode, a small current is passed through the device and it turns on. This current is then applied to the other terminal and the device is controlled. When the current reaches the device’s maximum rating, the device turns off again.The BTA40-400B is mainly used in applications such as AC power supply and AC power distribution circuits. It is especially suitable for powering appliances or devices with alternating current (AC) since it has the ability to control both the positive and negative current. As a result, it can switch between both the positive and negative voltage of the AC power without any interference.The BTA40-400B is also used to perform other AC functions such as controlling speed, cutting off current and reversing current directions. It can be used to regulate the speed of an AC motor by controlling the voltage supply and cutting off the current when the motor is not in use. It can also be used to control the direction of the current in either direction depending on the application.In addition, the BTA40-400B can be used for power supply and AC power distribution due to its bidirectional properties. When a positive voltage is applied, the current is passed from anode to cathode. However, when a negative voltage is applied, the current is passed from cathode to anode and rules out possible short circuits.In summary, the BTA40-400B is a Silicon Controlled Rectifier (SCR) switch with bidirectional properties. It can be used to control AC power in applications such as AC power supply and AC power distribution circuits. It is especially suitable for powering appliances or other devices with alternating current (AC) and can be used to control speed, cut off current, and reverse current direction.
The specific data is subject to PDF, and the above content is for reference
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