贴片元器件——回流焊工艺介绍
在电子制造行业中，回流焊工艺扮演着至关重要的角色，它不仅提高了生产效率，还确保了焊接质量的一致性。回流焊是一种在受控环境…
Working principle of polymer electrostatic suppressor
The polymer ESD suppressor (PESD) mainly applies the principle of nonlinear volt ampere characteristics of conductive polymer composite materials to provide ESD protection for electronic circuits. Its positive
The impact of capacitance on ESD
If only considering the ESD characteristics of capacitors, it is necessary to ensure that the voltage across the capacitor does not exceed its breakdown voltage. However, in some specific circuit designs, composed of capacitors and resistors
Common application circuits of thermistor
As shown in the figure below, an NTC thermistor (Rv) is connected in series with a precision measuring resistor (Rm) to form a basic voltage divider circuit. The reference voltage VCC in this circuit
快速感知温度变化：解读NTC热敏电阻的“热时间常数”
在电动汽车驱动电机、电池包及工业设备的温度监测中，快速且精准的温度感知至关重要。GRACE的KNTC系列NTC热敏电阻以…
Electrical performance parameters of varistors
Depending on the cross-sectional area of the current passing through, there are also situations where 0.1mA and 10mA are used to measure the varistor voltage. At present, chip varistors all use 1mA DC current input
Application scenarios of varistors
Varistors are widely used in power circuits, communication equipment, household appliances, and industrial control systems, mainly for lightning protection and overvoltage protection.
Working principle of varistor
Varistors are made using ceramic technology, and their internal microstructure contains zinc oxide grains and grain boundaries. Due to the very neat arrangement of crystal molecules inside the grains, the electrical resistivity