BYS459-1500SE3/45

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1500V
Current - Average Rectified (Io):	10A
Voltage - Forward (Vf) (Max) @ If:	1.35V @ 6.5A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	220ns
Current - Reverse Leakage @ Vr:	250µA @ 1500V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	TO-220-2
Supplier Device Package:	TO-220AC
Operating Temperature - Junction:	-55°C ~ 150°C
Base Part Number:	BYS459-1500

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The BYS459-1500SE3/45 is a rectifier diode, used in a wide range of applications where a single component is needed to prevent unilateral flow of electricity through a circuit or device. It consists of two layers, or regions, of a semiconductor material, with each region having separate, opposing properties. The BYS459-1500SE3/45 is one of the most common rectifier diodes, offering higher ratings over other competing models in its field.

This diode has a forward voltage of 1.5 V, a peak reverse voltage of 450 V, and a maximum current handling capacity of 3 A. It also has a maximum power dissipation of 45 W, offering a wide range of options for various applications. The BYS459-1500SE3/45 is used in a variety of applications, including motor controls, power supplies, circuit protection, and general switching circuits. It is designed for use in high temperature environments, and is highly resistant to transient surges.

In basic terms, the BYS459-1500SE3/45 works by allowing current to flow in one direction while blocking the flow in the opposite direction. This is achieved by the two regions of the semiconductor material having different properties. The P-type region is where the holes (absence of electrons) exist and the N-type region is where the electrons are attracted. When a negative voltage is applied to the diode, the electrons in the N-type region are attracted to the P-type region, thus allowing current to flow through the diode in the forward direction. The same principle applies in reverse, only in this case the holes are attracted to the N-type region. This effectively blocks current flow in the reverse direction.

The BYS459-1500SE3/45 is also an ideal choice for a variety of rectifier circuits. In these applications, the diode is placed in series with the load, so that current can only flow through the circuit in one direction. This type of rectifier circuit is typically used to provide a constant current and/or to protect sensitive equipment against over-voltage or over-current conditions. It can also be used in AC to DC converter applications, allowing AC voltage to be converted to DC voltage while preventing any back-flow of current.

Another common application for the BYS459-1500SE3/45 is in the implementation of power switches. A power switch typically consists of a pair of switches connected in parallel, and the power switch is used to quickly switch an electronic device on and off. In these cases, the diode is used to prevent any reverse current from flowing back into the switched device. This is achieved by the diode blocking the reverse flow of current, thus preventing any damage to the switched device.

The BYS459-1500SE3/45 is an excellent choice for a variety of applications requiring a single component to regulate the flow of current. The two regions of semiconductor material allow this diode to effectively block or pass current depending on the direction of voltage applied. It can also be used to protect sensitive devices, regulate the flow of current, and implement power switches. The diode\'s temperature, voltage, and current ratings make it an ideal solution for a wide range of applications.

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