PCBs are polychlorinated biphenyl compounds. They are organic chemicals with chlorine atoms attached to carbon rings. PCBs are used as insulators in electrical equipment such as transformers, capacitors, and circuit boards.
PCBs are used in many different ways, but they’re also very durable. Learn more about their lifespan!
HOW LONG DOES A PCB LAST?
1. BRAND NEW
PCBs are made up of carbon, hydrogen, chlorine, and bromine atoms. They’re often found in paints, coatings, adhesives, sealants, plastics, textiles, and other materials. Because of their durability, PCBs can remain in the environment for decades. In fact, some PCBs have been found in sediment samples dating back as far as the 1950s. It was later used as an insulator in electrical equipment such as transformers, capacitors, and circuit boards.
Generally speaking, you just got the circuit board from the manufacturer, and if the manufacturing date is within 2 months, you can use it directly. If you have unpacked it, the best time is within two months. After the date is marked, it will not be affected if you use it within five days.
2. YOUR PLACE OF RESIDENCE
Why do you mention your place of residence, because how long a PCB can last depends on the city you live in. If you live in a city with many rainy seasons, the humid air will affect the quality of the PCB, and you need to be more careful about protection.
Of course, this is closely related to your use, and their life depends on the owner. If you are familiar with this knowledge, you can extend the life of the PCB.
3. COMPONENT RELIABILITY
Now, we can buy components on various websites and platforms, and many customers demand quality, which I think is very reasonable.
The reliability of different components also determines the service time to a large extent. High-quality components have the ability to resist harsh environments, not only have better performance, but also have stronger oxidation resistance, which can provide protection for circuit boards.
4. PCB MATERIAL
I just talked about the quality of components, so I have to mention the material of the circuit board. PCBs themselves are not easily affected by the environment. However, different materials have different degrees of oxidation in the air. If you can find a high-quality manufacturer at a suitable price, you are very lucky.
5. OPERATING FREQUENCY
The last thing to talk about is also the most important. If the high-frequency operation will have an impact on the circuit board, it will generate heat and cause oxidation.
We’d better avoid short circuits. So, I suggest that the work of the PCB can be determined according to your function and component parameters.
Prolonging the service life of PCB is a continuous work, of course there are many ways!
（Picture of Wonderful PCB）
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