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What is the role of Pogopin connector in the electronics industry

source:Industry News    Popular:pogo pin for moilble phone     release time:2021-10-13 10:58:38     Article author:sznbone

The connector is like the function interface of the program. If the planning is reasonable, the future product protection, upgrade, and transplantation will get twice the result with half the effort, so that the product can maintain long-lasting vitality; In the end, the product loses its competitiveness, and the importance of the connector is self-evident.

Connectors, which are commonly called connectors by engineers, are used to connect two circuit boards or electronic devices to complete the transmission of power or signals. Through the connector, the circuit can be modularized, the installation process of the electronic product can be simplified, and the product can be easily protected and upgraded.

What is the role of Pogopin connector in the electronics industry(图1)

Connector

For modular circuits, the selection of connectors plays a decisive role. So when choosing connectors, from which angles should we consider connectors suitable for hardware use?

1. Pins and spacing

The number of pins and the spacing between pins are the basic basis for connector selection. The number of pins selected for the connector depends on the number of signals to be connected. For some patch connectors, the number of pins in the patch headers as shown in the figure below should not be too much. Because in the soldering process of the placement machine, due to high temperature, the connector plastic will be heated and deformed, and the middle part will bulge, resulting in false soldering of the pins. Our P800Flash programmer used this kind of header and female header for inter-board connection in the early stage of development. As a result, the pins of the prototype header were soldered in a large area. After changing to 2 pin headers with halved pins, there was no false soldering.

Nowadays, electronic equipment is developing towards miniaturization and precision, and the pin pitch of the connector has also changed from 2.54mm to 1.27mm to 0.5mm. The smaller the lead pitch, the higher the requirements for the production process. The lead spacing should be determined by the company's production technology level. The blind pursuit of small spacing will cause difficulties in production and maintenance.

2. Electrical performance

The electrical performance of the connector mainly includes: limiting current, contact resistance, insulation resistance and dielectric strength, etc. When connecting a high-power power supply, pay attention to the limit current of the connector; when transmitting high-frequency signals such as LVDS, PCIe, etc., pay attention to the contact resistance. The connector should have a low and constant contact resistance, generally tens of mΩ to hundreds of mΩ.

3. Environmental performance

The environmental performance of the connector mainly includes: resistance to temperature, humidity, salt spray, vibration, shock, etc. Choose according to specific application environment. If the application environment is relatively humid, the requirements for resistance to humidity and salt spray of the connector are high to avoid corrosion of the metal contacts of the connector. In the field of industrial control, the requirements for the anti-vibration and shock performance of the connector are high to prevent the connector from falling off during the vibration process.

4. Mechanical properties

The mechanical properties of the connector include insertion force, mechanical foolproof, etc. Mechanical foolproof is very important to the connector. Once plugged in reverse, it is likely to cause irreversible damage to the circuit!

The mechanical properties of the connector include insertion force, mechanical foolproof, etc. Mechanical foolproof is very important to the connector. Once plugged in reverse, it is likely to cause irreversible damage to the circuit!




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