Allicdata Part #: | SF4004-TR-ND |
Manufacturer Part#: |
SF4004-TR |
Price: | $ 0.16 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Vishay Semiconductor Diodes Division |
Short Description: | DIODE AVAL 1A 400V SOD-57 |
More Detail: | Diode Avalanche 400V 1A Through Hole SOD-57 |
DataSheet: | SF4004-TR Datasheet/PDF |
Quantity: | 1000 |
25000 +: | $ 0.14553 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Diode Type: | Avalanche |
Voltage - DC Reverse (Vr) (Max): | 400V |
Current - Average Rectified (Io): | 1A |
Voltage - Forward (Vf) (Max) @ If: | 1V @ 1A |
Speed: | Fast Recovery = 200mA (Io) |
Reverse Recovery Time (trr): | 50ns |
Current - Reverse Leakage @ Vr: | 5µA @ 400V |
Capacitance @ Vr, F: | 76pF @ 4V, 1MHz |
Mounting Type: | Through Hole |
Package / Case: | SOD-57, Axial |
Supplier Device Package: | SOD-57 |
Operating Temperature - Junction: | -55°C ~ 175°C |
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Diodes - Rectifiers - Single
The SF4004-TR is a rectifier diode that uses silicon semiconductor material. It is a single diode, with a forward anode-cathode voltage of 500 volts, peak reverse voltage of 400 volts, a maximum forward average current of 40 amps and a recovery time of 130ns. The anode is the positive terminal and the cathode is the negative terminal. It is commonly used for converting AC voltage to DC voltage.
Application Field
SF4004-TR rectifiers are extensively used in electronic circuits for rectification, auto electronic systems and different electrical equipment. It can be used in switch-mode power supplies, lamp ballasts, computer power supplies, electronic ballasts, electronic drivers, air conditioners, refrigerators and general purpose rectification.
Working Principle
Rectifier diodes are used to convert AC voltage to DC voltage. This is done by allowing current in one direction and blocking current in the other direction. The rectifying action is achieved by a silicon semiconductor material. Silicon is chosen because its chemical properties allow it to easily switch between a low resistance and a high resistance states. This allows current to flow in one direction and also prevents it from flowing in the other direction.
When a positive voltage is applied to the anode of the diode, the silicon material begins to conduct in the forward direction. This allows current to pass through and the voltage to drop slightly across the diode. However, the voltage drop is relatively small compared to the applied voltage. The current then flows from the anode to the cathode and the negative voltage drop remains constant. The current then continues to flow until the applied voltage is removed.
When a negative voltage is applied to the anode, the silicon material becomes reverse-biased and conductance is blocked. This prevents any current from flowing in the reverse direction. This same mechanism can be used to block current from flowing in either direction with a high resistance diode.
Conclusion
The SF4004-TR rectifier diode is a single diode that uses silicon semiconductor material. It has a forward anode-cathode voltage of 500 volts, peak reverse voltage of 400 volts, a maximum forward average current of 40 amps and a recovery time of 130ns. It can be used for converting AC voltage to DC voltage and is widely used in many applications. Its working principle is based on the ability of the silicon material to switch between a high and low resistance state, allowing current to flow in one direction and blocking it in the other.
The specific data is subject to PDF, and the above content is for reference
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