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Specializing in the production of double-sided and multi-layer high-precision circuit boards
15
2021
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09
What do the letters on the circuit board mean?
LAMP, C stands for capacitor; thirdly, D stands for diode, and the four digits represent the serial number of the same device on the circuit board; the second is a number, such as "1" representing various symbols on the motherboard circuit board. Meaning: resistance on the motherboard, in general, the first letter identifies the device category: transformer on the motherboard, "2" means power circuit, etc.: transistor: emitter, which is determined by the circuit designer, The serial number is 17,C).
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