This post explains for the semiconductor MR4030.
The Part Number is MR4030.
The function of this semiconductor is Partial Resonance Power Supply IC Module.
Preview images :
Provision for standby mode operation Partial Resonance Power Supply IC Module MR4000 Series Application Note Version 1.4 Shindengen Electric Manufacturing Co., Ltd. MR4000 Series Application Note Precautions Thank you for purchasing this product. When using this IC, please follow the warnings and cautions given below to ensure safety. Warning ! Improper handling may result in death, serious injury, or major property damage. Caution ! Improper handling may result in minor injury or property damage. We strive at all times to improve the quality and reliability of our products. However, a certain ! risk of malfunctions is inevitable with semiconductor products. You are responsible for producing a design that meets safety requirements (whether a redundant design, a design that prevents the spread of fire, or designs that minimize the possibility of malfunctions) necessary to avoid injury, fire, or damage to social credibility that may result should any of our products malfunction. T […]