For high quality din 41612 type e connectors, it is generally necessary to pay attention to the following points, including pin spacing, electrical performance, environmental performance, mechanical performance, etc.

1, pins, spacing

Pin number and pin spacing are the basic basis for selection of high quality din 41612 type e connectors. How many pin numbers of high quality din 41612 type e connectors you choose depends on the number of signals that need to be connected. For some patch type high quality din 41612 type e connectors, the patch row pin as shown below should not be too many pins. Because in the welding process of the SMT machine, due to high temperature, the high quality din 41612 type e connectors plastic will be deformed by heat, and the middle bulge will cause virtual welding of the pin. In the early stage of development of our P800Flash programmer, we used this kind of pin and bar to make inter-board connection, and the result was that the pin of the prototype pin was welded in a large area. After replacing the two pins with half the number of pins, there was no false welding.

2. Electrical performance

high quality din 41612 type e connectors Electrical performance mainly includes: limit current, contact resistance, insulation resistance and electrical strength. When connecting high power supplies, pay attention to the limit current of high quality din 41612 type e connectors; When transmitting high-frequency signals such as LVDS and PCIe signals, pay attention to the contact resistance. high quality din 41612 type e connectors should have low and constant contact resistance, generally tens of mΩ to hundreds of mΩ.

3. Environmental performance

high quality din 41612 type e connectors Environmental performance mainly includes: resistance to temperature, humidity, salt spray, vibration, shock, etc. Select according to the specific application environment. If the application environment is humid, the moisture resistance and salt spray resistance requirements of high quality din 41612 type e connectors are high, so as to avoid corrosion of metal contacts of high quality din 41612 type e connectors. In the field of industrial control, the vibration shock resistance performance of high quality din 41612 type e connectors is required to avoid high quality din 41612 type e connectors falling off during vibration.

4. Mechanical properties

high quality din 41612 type e connectors Mechanical properties include plug-in force, mechanical retardation, etc. Mechanical anti-stay is very important to high quality din 41612 type e connectors, once inverted, it is likely to cause irreversible damage to the circuit!

The insertion force is divided into insertion force and separation force. The maximum insertion force and minimum separation force are specified in the relevant standards, and the insertion force should be small and the separation force should be large from the point of view of use. Too small a separation force can reduce the reliability of the contact, however for high quality din 41612 type e connectors, which require frequent plugging, too much separation force can increase the difficulty of pulling out and reduce the mechanical life.

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