The meaning of some letters on the PCB board
Views : 1658
Update time : 2021-05-17 14:54:11
On the PCB board, there are many letters, such as R107, C118, Q102, D202, etc. Do you know what these letters mean? In fact, the letters on the PCB represent the abbreviations of electronic components, and numbers are often followed by the letters, and these numbers also have meaning.
The following is the meaning of some letters on the PCB board:
B:buzzer
C:capacitor
D:diode
F:fuse
L:inductor
Q:Triode
R:resistor
RT:Thermistor
T:transformer
Y:crystaloscillator
R107, C118, Q102, D202 and other numbers are often seen on circuit boards. Generally, the first letter identifies the device category, such as R for resistors, C for capacitors, D for diodes, and Q for Triode, etc.; The second is a number, indicating the circuit function number, such as "1" for the main board circuit, "2" for the power supply circuit, etc., which is determined by the circuit designer; the third and fourth digits indicate that the device is on the circuit board The serial number of similar devices.
The following is the meaning of some letters on the PCB board:
B:buzzer
C:capacitor
D:diode
F:fuse
L:inductor
Q:Triode
R:resistor
RT:Thermistor
T:transformer
Y:crystaloscillator
R107, C118, Q102, D202 and other numbers are often seen on circuit boards. Generally, the first letter identifies the device category, such as R for resistors, C for capacitors, D for diodes, and Q for Triode, etc.; The second is a number, indicating the circuit function number, such as "1" for the main board circuit, "2" for the power supply circuit, etc., which is determined by the circuit designer; the third and fourth digits indicate that the device is on the circuit board The serial number of similar devices.
Related News

Join Us at ZUCHEX 2023- Unveiling Innovation at Booth M-41 Hall 12A
Sep .13.2023
We(Elecontro® Electronics) are delighted to announce our company's participation .the 33rd International Home & Kitchenwares Fair ,our booth No M-41 ,12A Hall that is scheduled to take place from September 14 to 17 September , 2023.

How to test an oven control board?
Jul .13.2023
An oven control board is the brain of your oven. It controls all of the oven's functions, from temperature regulation to timer settings. If your oven is not functioning properly, it may be due to a faulty control board. Here's how to test your oven control board

Gas Oven Control Board:Knowledge Points
Jun .29.2023
A gas oven control board is a critical component of any gas oven. It is responsible for controlling the temperature of the oven, as well as the various cooking functions. If the control board fails, the oven may not heat up properly, or it may not function at all.

Elecontro® Announces High-Quality EM20 TFT display Oven Control Board!
Jun .15.2023
Elecontro®, a leading kitchen appliance control board R&D manufacturer.We are committed to providing our customers with high-quality, innovative, and user-friendly control boards.