The Meaning Of Those Letters On The PCB Board
The Meaning Of Those Letters On The PCB Board
Edit:Shenzhen Xin Da xing Electric Technology Co.,ltdUpDate:Feb 22, 2019Rx is a resistor. There are many resistors in the circuit diagram, which are listed by serial number, R1, R2. . .
Cx is a non-polar capacitor, anti-interference capacitor at the input of the power supply
IC integrated circuit module
Ux is an IC (Integrated Circuit Component)
Tx is the test point (for factory testing)
Spk1 is Speaker (buzzer, speaker)
Qx is a triode
CEx-electrolytic capacitor, CNx-discharge, RNx-exclusion, CONx-connector, Dx-Diode (diode), Lx-inductor/bead, LEDx-LED, Xx-crystal.
RTH (Thermistor)
CY (Y capacitor: high voltage ceramic capacitor, safety)
CX (X capacitor: high voltage film capacitor, safety)
D (diode)
W regulator
K switch class
Y crystal oscillator
R117: The resistance on the main board, serial number 17.
T101: Transformer on the main board.
SW102: switch
LED101: LED
LAMP: (indicator) light
Q104 (E, B, C): Transistor, E: Emitter, B: Base, C: Collector
Mr. Evgeniy And Mr. Maxim Visited Our PCBA Assembly Factory
Mr. Andrey From Russia Visited Our PCBA Factory
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Recently,Anthony, from America who belongs to the well-known optical microphone industry visited our PCBA factory to field investigation and technical exchange. The purpose of this visit is to further deepen the cooperation between the two sides and jointly explore the future innovative development direction of the microphone industry.


