Blind through holes and buried through holes are two options for connecting between layers of printed circuit boards, and they are both useful when you need as much space as possible. How many possibilities are there for the competitive market of printed circuit board assembly? Compared to most PCB high reliability products, the connector and wiring standards from PCB boards to the electronic field are increasingly subject to isolation requirements for power, signal, and power and signal.
Therefore, Electrical safety, electromagnetic interference, ground noise, electrostatic discharge and electromagnetic compatibility requirements need to be considered in the design of some circuits, including high-frequency and high-voltage circuits. Reference source with equivalent performance must be used for active devices or amplification devices. For copper or brass metal components, isolation transformer, varistor and other sensitive elements, the matching of sensitive circuit and input impedance shall be fully considered.
● The integrated circuit with varistor shall not be protected too much by components, otherwise it will be affected by system damage or stress change, resulting in damaged isolation transformer, etc.
For voltage sensitive devices, the amplitude of transient voltage within a certain voltage amplitude range should be considered.

The terminal voltage of the sensitive resistor cannot exceed its maximum breakdown voltage. Exceeding its maximum breakdown voltage will damage one of its switching processes.
The sensitive resistor can protect the device from high-frequency interference from external sources. If the current exceeds its limit voltage, the device will permanently die at the limit voltage.
The signal cannot cut off the current. After the design process of the device is completed, it is tested repeatedly until the system is restored.

TDK's MOSFET driver uses 100% DVDS device green/red.
WRBG is a high-speed device that uses a 05A TTL level converter, high Q value, high Sv/dt, and transient response characteristics.
Working under normal conditions, maximum and minimum continuous working voltage: as low as 09V; The maximum conduction resistance at VDS=VDS.
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By connecting different products to solve the unique customized customization characteristics of the product itself, it is convenient for ordering, transportation, and keyless entry of the product, which is very conducive to the safety of the entire product.