VS-T40HFL20S05

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VS-T40HFL20S05 is a kind of diode which belongs to single-phase silicon rectifier bridge. It is mainly used for full-wave rectification and DC power supply, and can also be applied in charger, household inverter, generator, DC motor and other fields.

Product Features

• Maximum repetitive peak reverse voltage of up to 400V;
• Average forward current of up to 20A, peak forward current of up to 40A;
• Classification temperature range of -40℃ to +150℃;
• High noise resistance;
• High surge capability;
• RoHS compliant.

Application Fields

The VS-T40HFL20S05 is used in bridge rectification, diode parallel circuit, as voltage regulator when two poles are connected with multiple capacitors, filter suppression circuit of switching power supply, filter in power amplifier, and drive circuit of relay. Usually it is applied in AC-DC convertor, household inverter, generator, charger, DC motor, switch etc.

Working Principle

Rectifying bridge is mainly composed of four PN junction diodes and basically acts as two rectifying diodes connected in reverse position. With pressure in front of the diode, voltage waveform is rectified in positive and negative direction. After current waveform is rectified, P-N junction resistance of the diode increases, and a large reverse current is generated to cut off the loop. As the VS-T40HFL20S05 is a type of rectifying bridge, it follows the same working principle.

Applied Specifics

Due to the application of various rectifying bridge, the specifics are various in different situations. For VS-T40HFL20S05, the load voltages and load currents of the transformers and motors should be determined according to the electronic devices it needs to drive or the power supply of the device. In addition, temperature control measures need to be taken when the load power is 150W /400V or above. Moreover, in circuit design, surge suppression, over-voltage protection, over-current protection and other protective measures should be taken to ensure the overall system stability and reliability.

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