P3403AC Circuit Protection |
|
| Allicdata Part #: | P3403AC-ND |
| Manufacturer Part#: |
P3403AC |
| Price: | $ 0.00 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | SIDAC SYM 3CHP 300V 400A TO-220 |
| More Detail: | N/A |
| DataSheet: |  P3403AC Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 1 +: | 0.00000 |
Specifications
| Series: | SIDACtor® |
| Packaging: | Bulk |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Obsolete |
| Moisture Sensitivity Level (MSL): | -- |
| Voltage - Breakover: | 400V |
| Voltage - Off State: | 300V |
| Voltage - On State: | 8V |
| Current - Peak Pulse (8/20µs): | 400A |
| Current - Peak Pulse (10/1000µs): | 100A |
| Current - Hold (Ih): | 150mA |
| Number of Elements: | 3 |
| Capacitance: | 45pF, 65pF |
| Mounting Type: | Through Hole |
| Package / Case: | TO-220-3 No Tab |
Description
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Thyristors, or silicon controlled rectifiers (SCRs), are components that use junctions between two different types of semiconductor material, p-type and n-type, to control the flow of electricity in a circuit. They are commonly used in applications such as lighting control, motor speed regulation, and power factor control, among others. Thyrisors are also used as switches in the primary half of circuits, such as flyback or forward converters.The P3403AC is a three-phase, three-winding thyristor module suitable for high-power, line frequency switching applications. It uses integrated thyristor modules, each consisting of two phase-controlled three legs thyristors in a half-controlled version of a three-phase bridge configuration. This configuration allows for high power efficiency while operating at line frequency. The P3403AC can be used in applications such as traction motor controllers, regenerative power supply systems, line frequency motor drives, high-power lighting control, and general high power phase-control applications.The thyristors in the P3403AC are designed to operate over a wide range of temperature and ambient temperature conditions. They were also optimized for lower gate trigger requirements. This is a key feature in applications where a large number of thyristors must be triggered simultaneously with very little variation in trigger voltage, such as motor controllers and traction motor systems.The working principle of the P3403AC is straightforward. The three thyristors in the module are connected in a three-phase bridge configuration. When the input voltage is applied, it creates a voltage across each thyristor. When the voltage exceeds the forward conduction threshold, or "ON" condition, the thyristor conducts current. When the voltage is reduced, the thyristor turns off.The P3403AC also features a second control input that enables single-leg control of the thyristors. This allows for precise control of current flow in applications such as motor controllers and lighting systems.The P3403AC is widely used in automotive, industrial, and consumer applications due to its high power efficiency, low power consumption, and ease of installation. It is also commonly used as a switching module in flyback converters, voltage-mode power supplies, and buck-boost converters.In conclusion, the P3403AC is a versatile three-phase, three-winding thyristor module designed for high-power, line frequency applications. It uses integrated thyristor modules to provide excellent control of current flow while operating at line frequency. The P3403AC provides reliable, high-power efficiency, low power consumption, and ease of installation, making it ideal for use in automotive, industrial, and consumer applications.
The specific data is subject to PDF, and the above content is for reference
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