5SGY3545L0017| 可控硅有源整流器  |5SGY3545L0003  | 5SGY3545L0020

型号：5SGY3545L0017

类别：可控硅有源整流器

货期：3-5天/周

成色：全新/非全新

质保：一年

5SGY3545L0017可控硅有源整流器是一种半导体电子器件，由至少三个PN结（即P型半导体和N型半导体的结合物）组成。它具有单向导电性和可控的关断特性，可以将交流电压转换为直流电压。这种整流器具有效率高、无机械噪声和磨损、响应速度快、体积小、重量轻等诸多优点。

二、工作原理

5SGY3545L0017 可控硅整流器的工作原理基于晶闸管的特性。在正向阻断状态下，如果给予控制极一低功率的触发信号（使控制极-阴极PN结导通），则器件可迅速被激发到导通状态，之后毋须继续保持触发电流即可维持在通导状态。此时，如果电流降至维持电流以下，器件可恢复到阻断状态。这种特性使得可控硅整流器能够实现对电功率的精确控制。

三、应用场景

5SGY3545L0017可控硅有源整流器广泛应用于电力系统、工业控制和电动机驱动等领域。在电力系统中，它可用于电力调节、压控稳压和直流电源供应等方面；在工业控制领域，它可用于电动机调速、电热设备控制以及直流电源供应等。

可控硅有源整流器的主要参数包括：

额定电流（IR）：可控硅能够承受的最大稳态电流。

阻断电压（VRRM）：可控硅能够承受的最大逆向电压，即在不导通的情况下可承受的最大电压。

导通电流（ITAV）：可控硅在正常工作状态下的平均导通电流。

导通压降（Vt）：可控硅在导通状态下的平均压降，即正向电压。

控制角（α）：控制角是可控硅的触发电压与交流电压之间的相位差。通过调整控制角，可以控制可控硅的导通时间，从而实现电路的整流功能。

5SGY3545L0017| thyristor active rectifier |5SGY3545L0003 | 5SGY3545L0020

Model: 5SGY3545L0017

Category: thyristor active rectifier

Delivery time: 3-5 days/week

Finish: New/not new

Warranty: One year

The 5SGY3545L0017 thyristor active rectifier is a semiconductor electronic device consisting of at least three PN junctions (i.e. a combination of P-type semiconductors and N-type semiconductors). It has unidirectional conductivity and controllable turn-off characteristics, and can convert AC voltage to DC voltage. The rectifier has many advantages such as high efficiency, no mechanical noise and wear, fast response speed, small size and light weight.

Second, the working principle

The working principle of the 5SGY3545L0017 thyristor rectifier is based on the characteristics of the thyristor. In the forward blocking state, if a low-power trigger signal is given to the control pole (so that the control-cathode PN junction is switched on), the device can be quickly excited to the on-state, and then it can be maintained in the on-state without continuing to maintain the trigger current. At this point, if the current drops below the maintenance current, the device can return to the blocked state. This characteristic enables the thyristor rectifier to achieve precise control of electrical power.

3. Application scenarios

5SGY3545L0017 thyristor active rectifier is widely used in power system, industrial control and motor drive fields. In the power system, it can be used for power regulation, voltage control and voltage regulation and DC power supply. In the field of industrial control, it can be used for motor speed regulation, electric heating equipment control and DC power supply.

The main parameters of 5SGY3545L0017 thyristor active rectifier include:

Rated current (IR) : The maximum steady state current that the thyristor can withstand.

Blocking voltage (VRRM) : The maximum reverse voltage the thyristor can withstand, that is, the maximum voltage it can withstand without conducting.

Conduction current (ITAV) : The average conduction current of thyristor in normal working condition.

On-voltage drop (Vt) : The average voltage drop of thyristor in the on-state, that is, the forward voltage.

Control Angle (α) : The control Angle is the phase difference between the trigger voltage of the thyristor and the AC voltage. By adjusting the control Angle, the on-time of thyristor can be controlled, so as to realize the rectifier function of the circuit.