I believe that many customers will be more concerned about the quality of the supplier's products during the preliminary consultation, followed by the price. In fact, it is quite normal to have such concerns, after all, they are all for providing the best service to their customers. At the same time, many customers hope that PCBA manufacturers can go through all the PCBA testing procedures to ensure the integrity of PCBA products. Then, since it is a test, it must be carried out in strict accordance with the relevant regulations to improve the accuracy of the test and ensure the quality of PCBA shipments. So what are the general tests for PCBA? The following Sanjing will share with you.

The PCBA test is mainly to test the functions, performance, power calibration, life and other data of the product. Each test requires a corresponding test fixture, so what equipment is needed for these tests? Below we will introduce the test items and test fixtures together as follows:

1. ICT test

The test application range is relatively small, mainly for PCB circuit boards and components, and the equipment is relatively expensive, often only high-end products will be used. The main test content includes circuit continuity, voltage and current values and fluctuation curves, amplitude, noise, etc.

2. FCT test

After PCBA production is completed, it is necessary to burn the program of the product into the IC, and then perform a functional simulation test on the finished product. This step is the FCT test. The test can find the problems in the hardware and software in time and give feedback to the customer. Optimizing software and improving hardware problems is an indispensable test item for PCBA factories.

3. Fatigue test

The fatigue test, as the name suggests, is to test the durability of the PCBA to see how long the circuit board can be used before problems occur. This test is generally the same batch sampling test, after high frequency, long time operation, etc., the probability and proportion of failures are tested to determine the number ratio of fatigue.

4. Aging test

This test is mainly to keep the product energized for use, work continuously for a fixed period of time and observe whether there is a malfunction or malfunction. Generally, products need to pass the aging test before they can be mass produced.

5. Test of extreme conditions

This test is not commonly used for PCBA products, and it is mainly used in products that encounter harsh working conditions, such as military industry, off-road vehicles, and special equipment. The test content includes the limit values of temperature, humidity, drop, water splash, and vibration.

The above is some knowledge content about PCBA testing, I hope my sharing will be helpful to you!