P1803AB60 Circuit Protection |
|
| Allicdata Part #: | P1803AB60-ND |
| Manufacturer Part#: |
P1803AB60 |
| Price: | $ 0.00 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | SIDACTOR 3CHP 250V 250A TO-220 |
| More Detail: | N/A |
| DataSheet: |  P1803AB60 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: | 210V |
| Voltage - Off State: | 150V |
| Voltage - On State: | 8V |
| Current - Peak Pulse (8/20µs): | 250A |
| Current - Peak Pulse (10/1000µs): | 80A |
| Current - Hold (Ih): | 150mA |
| Number of Elements: | 3 |
| Capacitance: | 55pF, 85pF |
| Mounting Type: | Through Hole |
| Package / Case: | TO-220-3 No Tab |
Description
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TVS - Thyristors are typically used for application fields such as overvoltage protection, voltage limitation, and control of high-power loads. P1803AB60 is a discrete Silicon Controlled Rectifier (SCR) device, which belongs to the TVS - Thyristor family.
This silicon controlled rectifier (SCR) is a two-quadrant device. It has a high surge current capability, and its construction is hermetic for high reliability. It can be used for protection of circuits from fast, high-energy transients and in electromagnetic interference (EMI) suppression circuits.
The P1803AB60 has many features that makes it a desirable device. It has a semi-isolated base construction with a low leakage current which reduces the conduction losses that are typical in larger devices. It also has a high RMS on-state current rating, which makes it suitable for high current applications.
P1803AB60 working principle involves a firing angle control portion and a power control. The firing angle control portion comprises a voltage divider, a Zener diode, and a trigger transistor. The voltage divider reduces the voltage from the gate to the gating voltage that is necessary to turn on the SCR. The Zener diode is connected in series with the voltage divider to provide adequate voltage regulation. The trigger transistor plays a key role in the activation. When the base voltage is sufficient, a gate current is created, which generates a larger current in the main power circuit, thus activating the SCR.
The power control section comprises a power thyristor and a blocking diode. The power thyristor is the main component for controlling the switching of the device. It works in conjunction with the blocking diode which helps to prevent current from reversing direction during the switching process. All of these components work together to create a circuit which provides controlled and efficient switching of the P1803AB60 device.
In conclusion, the P1803AB60 is a versatile piece of equipment which can be used in various application fields, including overvoltage protection, voltage limitation, and control of high-power loads. Its working principle involves a firing angle control section, which adjusts the firing angle of the SCR, and a power control section, with a power thyristor and a blocking diode, which provide controlled switching.
The specific data is subject to PDF, and the above content is for reference
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