Knowledge

The UC3842 chip is a high-performance fixed frequency current mode controller. Common manufacturers are: Onsemi Semiconductor, Fairchild Semi, Texas Instruments, Motorola and other companies. Accordin

Introduction to the working principle of thyristor Thyristor speed regulation is a method of changing the conduction angle of the thyristor to change the waveform of the motor terminal voltage, thereb

Main parameters of thyristor Rated on state current (IT) refers to the maximum stable working current, commonly known as current. The IT of commonly used thyristor is generally from one ampere to seve

Thyristor characteristics 1. The average value of a 50 Hz sinusoidal half wave current that can continuously pass between the anode and cathode under certain conditions under rated on state average cu

Packaging has roughly gone through the following development process: In terms of structure. TO → DIP → PLCC → QFP → BGA → CSP. In terms of materials. Metals, ceramics, ceramics, plastics, and plastic

In the past, in the design of ordinary switching power supplies, the output voltage was usually amplified by error and directly fed back to the input terminal. This voltage control mode can also play

Model Description Maximum Output Current LM1575T-3.3 3.3V Simple Switching Power Supply Stabilizer 1A LM1575T-5.0 5V Simple Switching Power Supply Stabilizer 1A LM1575T-12 12V Simple Switching Power S

The transistor for T3 printing is a switch diode of BAV21W or BAV21WS, SOD123, or SOD323

Application of MOS transistor amplification area Working in the amplification area, usually used to design feedback circuits, requires a lot of professional knowledge, similar to operational amplifier

KBJ series 35A (Ampere) PDF electrical parameter specification introduction: Forward output current IO: 35A; Reverse withstand voltage PRV: 50V-1000V; Forward voltage drop VFM: 1.1V; Forward peak curr

By using an additional power transistor to share a portion of the total current, the output current of the LM317 can be increased. The resistance connected to the emitter and base of the transistor li

Main parameters of 2N5551: Collector emitter maximum withstand voltage VCEO=160V Collector base maximum withstand voltage VCBO=180V Emitter base maximum withstand voltage VEBO=6V Maximum collector cur