| Allicdata Part #: | QK012LH2-ND |
| Manufacturer Part#: |
QK012LH2 |
| Price: | $ 0.00 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | TRIAC ALTERNISTOR 1KV 12A TO220 |
| More Detail: | TRIAC Alternistor - Snubberless 1kV 12A Through Ho... |
| DataSheet: |  QK012LH2 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Bulk |
| Part Status: | Discontinued at Digi-Key |
| Triac Type: | Alternistor - Snubberless |
| Voltage - Off State: | 1kV |
| Current - On State (It (RMS)) (Max): | 12A |
| Voltage - Gate Trigger (Vgt) (Max): | 1.3V |
| Current - Non Rep. Surge 50, 60Hz (Itsm): | 110A, 120A |
| Current - Gate Trigger (Igt) (Max): | 10mA |
| Current - Hold (Ih) (Max): | 15mA |
| Configuration: | Single |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Through Hole |
| Package / Case: | TO-220-3 Isolated Tab |
| Supplier Device Package: | TO-220 Isolated Tab |
Description
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Thyristors - TRIACs is one of the varieties of modern power electronics components. QK012LH2 is a type of triode alternating current (TRIAC) with sensitive gate. It is designed for use in General Purpose (GP) AC control applications requiring low gate current and control of high peak currents. This article will discuss the application field and working principle of the QK012LH2.The QK012LH2 is used in circuits where a signal from a control device (eg, a logic gate) or power switching device is used to control a larger amount of current or power. This means applications where a signal from a logic or power switching device is used to control a larger current or power can have improved reliability and performance. Examples of such applications include light controlling (dimming) systems, heater control systems, fan control systems, motor control systems, and more.In regards to the working principle of the QK012LH2, the device consists of three terminals (an MT1, MT2 and a gate), between which a low-level unidirectional current may be applied in order to trigger the TRIAC on or off (completing or breaking the connection between the two high-power lines). When a high current flows between MT1 and MT2, it is possible to control the triac ON or OFF status. When the gate voltage is at a low level, the TRIAC is in the OFF state and won\'t conduct any current between MT1 and MT2. By supplying a voltage pulse to the gate, the MT1 and MT2 terminals are turned "ON" or "OFF". As a result, the TRIAC will turn the load ON or OFF, based on the state of the gate voltage.QK012LH2 provides sensitivity to gate current, making it easier to control a larger amount of current and power. QK012LH2 also has very good noise immunity, as it is capable of controlling current levels up to 400V without experiencing any degradation in overall performance due to interference from surrounding noise sources. These features make QK012LH2 a great choice for General Purpose AC control applications.The QK012LH2 also offers over-current and over-voltage protection, which helps to reduce the risk of short circuits or other electrical malfunctions. It is also designed to be immune to ESD (electrostatic discharge), making it suitable for use in static sensitive environments. Further, the device has low switching power losses, making it an energy efficient choice for controlling larger amounts of current and power.To sum it up, the QK012LH2 is a type of TRIAC designed for General Purpose AC control applications. It is a low-level unidirectional current triac, and it is used to control larger amounts of current and power, as well as providing over-current and over-voltage protection. It is also immune to ESD, making it suitable for static sensitive environments, and has low switching power losses, making it an energy efficient choice for controlling larger amounts of current and power.
The specific data is subject to PDF, and the above content is for reference
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