BPY75D25

BPY75D25 is a type of unidirectional thyristor developed by British company Semikron, and it dedicates to ac thermal regulation applications. It has become increasingly popular in such applications due to its efficiency and adjustable parameters. In this article, the application field and working principle of BPY75D25 is discussed.

The BPY75D25 is widely used in ac thermal regulation applications, such as controlling the temperature in a room, controlling an oven, or controlling a heat pump. It is able to sense temperature changes in an environment and then to switch on or off ac appliances accordingly. It is also widely used in industrial applications, including digital systems for motor control, invertor systems, and power supplies.

The BPY75D25 is composed of a single thyristor, with an integral sense resistor and a gate protection network. The thyristor works in a similar way to a diode, allowing current to pass through in only one direction. The sense resistor is used to detect the current passing through the circuit, while the gate protection network is used to protect the thyristor from active conduction.

The BPY75D25 is capable of controlling the load connected to it in two main ways: phase control and half-wave control. During phase control, the thyristor is switched on for the entire half-cycle of the sinusoidal waveform, controlling the waveform’s irradiance. With half-wave control, the thyristor is turned on for a portion of the half-cycle, controlling the waveform’s irradiance accordingly.

In order to operate correctly, the BPY75D25 must be connected to a source of DC power, such as a battery, or a power supply unit. It also needs to be connected to the device that it is controlling, usually via a sensing resistor in the circuit. The resistor forms part of the control loop and, when the temperature changes, it is able to switch the thyristor on or off, depending on the desired temperature.

In addition to being able to control the load connected to it, the BPY75D25 also has a built-in over-temperature protection circuit. This is used to protect the thyristor against overheating and potential damage. It is able to detect when the temperature reaches an unsafe level, and will then automatically switch off the thyristor.

To conclude, BPY75D25 is an efficient and reliable thyristor that has become increasingly popular for ac thermal regulation applications due to its adjustable parameters, its safety features, and its ability to accurately control the load connected to it. With its numerous advantages, it is no wonder that it has become such a popular choice for many industrial applications.

BPY75D36	Amphenol FCI	1.39 $	1000	IDC REPAIR TOOL
BPY75D5SET	Amphenol FCI	2.08 $	1000	IDC REPAIR TOOL
BPY75D25	Amphenol FCI	0.0 $	1000	IDC REPAIR TOOL