How does the pogo pin waterproof?
The spring-loaded contact pogo pin is waterproof, so how is it waterproof? The water-resistance of the pogo pin mainly depends on its performance. Let's take a look at the reasons why the pogo pin spring thimble is waterproof.
High-temperature resistance performance:
The working temperature of the spring-loaded contact pogo pin is 200℃, and the low temperature is -65℃. When it is connected, the current generates heat at the contact point, causing the temperature to rise. It is generally believed that the operating temperature will be equal to the sum of the ambient temperature and the temperature rise of the contact. In some specifications, the allowable temperature rise of the connector in the rated operating current will be clearly specified.
Humidity resistance:
Moisture will affect its insulation and corrode metal parts. Constant heat and humidity test conditions are relative humidity 90%~95%, temperature +40±20℃, and the test time depends on the product regulations, at least 96 hours. The spring-loaded contact pogo pin has a more stringent alternating damp and heat test.
Salt spray resistance performance:
When it is working in an environment containing moisture and salt, the surface treatment layer of its metal structure and contacts may have galvanic corrosion, which will affect the physical and electrical properties of the connector. In order to evaluate the ability of the electrical connector to withstand this environment, a salt spray test is specified. The connector is suspended in a temperature-controlled test box, and the sodium chloride solution of the specified concentration is released with compressed air and turned into a salt spray atmosphere. The exposure time is according to the product specification, at least 48 hours.
Vibration and shock resistance:
Vibration and shock resistance of pogo pin is an important performance of electrical connectors. It is especially important in special environments such as aviation and aerospace, railway, and road transportation. It is to check the robustness of the electrical connector's mechanical structure and electrical contact reliability. Important indicators. There are clear regulations in the relevant test methods. The shock test shall specify the peak acceleration, duration and shock pulse waveform, and the time of interruption of electrical continuity.
