VSB1545-M3/54 Discrete Semiconductor Products

Series:	TMBS®
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	45V
Current - Average Rectified (Io):	15A
Voltage - Forward (Vf) (Max) @ If:	590mV @ 15A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	800µA @ 45V
Capacitance @ Vr, F:	1290pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	P600, Axial
Supplier Device Package:	P600
Operating Temperature - Junction:	-40°C ~ 150°C
Base Part Number:	VSB1545

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Diodes - Rectifiers - Single

The VSB1545-M3/54 is a type of diode that is used to rectify alternating current (AC) voltage in many applications. It is specifically a single rectifier diode, meaning it is used in the rectification of three-phase inputs. The diode is suitable for use in AC applications, such as adjustable speed drives, frequency changers, welding machines, power supplies, and power converters.The unit is designed for use in digital rectifier circuits, bridge rectifiers, and flyback transformers. The design of the VSB1545-M3/54 makes it strong and reliable, providing a long life in operational conditions. Operating temperature ranges between -40 to +150 degrees Celsius, while the reverse voltage rating is up to 3500 V. It is also designed to be used in environments where there are large amounts of electrical interference, such as a factory or industrial setting.

Working Principle

When the VSB1545-M3/54 is installed in a three-phase application, its principle of operation is quite simple. Three-phase input AC voltage is applied to the three input lines, and the bridge rectifier arrangement of the VSB1545-M3/54 rectifies this into a pulsed DC voltage, which is then smoothed by a large capacitive filter.The unit then produces a single-phase output voltage. The rectifier output voltage is determined by the magnitude of the peak voltage at the input and the capacitors used in the filter. By using an appropriate bridge rectifier arrangement, the output voltage is maintained within acceptable limits.In rectifier applications, the VSB1545-M3/54 works by blocking reverse current and passing forward current. As a result, the unit is able to produce a smooth, consistent output with minimal losses. This is why the VSB1545-M3/54 is so widely used in rectifier applications.

Common Applications

The VSB1545-M3/54 is commonly used for controlling three-phase rectifiers in a wide range of applications, such as AC variable speed drives, frequency changers, welding machines, power supplies, power converters, and adjustable speed motors. In each of these applications, the VSB1545-M3/54 provides reliable rectification with minimal power losses.The unit’s design also makes it well-suited for use in environments with a large amount of electrical interference, such as a factory or industrial setting. Its rugged construction and wide operating temperature range is ideal for these types of applications where it may need to be exposed to extremes of vibration, heat, and dust.The VSB1545-M3/54 is also used with flyback transformers. In this application, the diode rectifies the AC voltage from the transformer into a pulsed DC voltage, which is then smoothed by a large capacitive filter. The output voltage is then regulated to the desired level using an appropriate bridge rectifier arrangement.

Conclusion

The VSB1545-M3/54 is a reliable and robust diode rectifier suitable for use in a wide range of applications. It is able to provide a consistent output voltage with minimal power losses and is able to withstand extremes of vibration, heat, and dust. As a result, it is often used in AC variable speed drives, frequency changers, welding machines, power supplies, and adjustable speed motors. It is also used in bridge rectifier and flyback transformer applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description