Allicdata Part #: | DSB1A20-ND |
Manufacturer Part#: |
DSB1A20 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Microsemi Corporation |
Short Description: | DIODE SCHOTTKY 20V 1A DO204AL |
More Detail: | Diode Schottky 20V 1A Through Hole DO-204AL (DO-41... |
DataSheet: | DSB1A20 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Bulk |
Part Status: | Active |
Diode Type: | Schottky |
Voltage - DC Reverse (Vr) (Max): | 20V |
Current - Average Rectified (Io): | 1A |
Voltage - Forward (Vf) (Max) @ If: | 600mV @ 1A |
Speed: | Fast Recovery = 200mA (Io) |
Current - Reverse Leakage @ Vr: | 100µA @ 20V |
Capacitance @ Vr, F: | -- |
Mounting Type: | Through Hole |
Package / Case: | DO-204AL, DO-41, Axial |
Supplier Device Package: | DO-204AL (DO-41) |
Operating Temperature - Junction: | -- |
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Introduction
DSB1A20 is a single transparent thyristor known as silicon controlled rectifier (SCR). It is used for controlling AC and DC load in many applications such as welding, heating, electric door and window control, demand control circuit and converter control.
Application Field
The main application field of DSB1A20 is in safety switching devices, industrial motors, HVAC systems, hydraulic pumps and motor controls. This is due to their ability to handle the large currents and voltages usually required in these devices. Besides, it has some other application fields like power factor control, lighting control, soft start of induction motors, transient voltage suppression, DC chopper and speed control.
Working Principle
The working principle of the DSB1A20 is based on the firing of the thyristor. Thyristors are the solid-state semiconductor devices relying on the Controlled Rectifier principle to produce an output current. The DSB1A20 use the gate current to trigger the thyristor. When the gate current is turned off, the thyristor begins to draw current and enter the ‘on’ condition.
When the AC or DC load inside a circuit becomes higher than a certain level, the gate voltage will turn off. This will result in the thyristor being triggered then the current flow continues at the previous level. This continues until the AC or DC loads drops by an amount greater than the holding current.
The DSB1A20 is normally used to detect over-current or over-voltage. When the peak value of a current exceeds the maximum value accepted by the SCRs, they will turn off the supply.
When the thyristors are turned off, the body diode can allow current to pass through in the opposite direction, allowing the pulse to pass through and continue. These devices are bi-directional devices that can handle AC and DC voltage.
The DSB1A20 offers robust protection against over-current and over-voltage when compared to traditional mechanical relays. Moreover, it possesses superior surge protection capabilities, low leakage current, and high switching frequency.
Conclusion
In conclusion, the DSB1A20 is a single transparent thyristor used for controlling AC and DC load in many applications such as welding, heating, electric door and window control, demand control circuit, and converter control. It offers robust protection against over-current and over-voltage when compared to traditional mechanical relays. The DSB1A20 use the gate current to trigger the thyristor, and when the gate current is turned off, the thyristor begins to draw current and enter the ‘on’ condition.
The specific data is subject to PDF, and the above content is for reference
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