4 Ways To Shield Over-molded Connectors For Custom Cable Assembly


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Shield Over-molded connectors play a significant role to aid in the transmission of data. Also, cable assemblies are sensitive to electromagnetic and RFI.

The sensitivity of the cable assemblies and over-molded connectors explain that it is necessary to protect the shield of the connector at all times else it poses a problem when in use.

A major disadvantage that cable connectors and cable assemblies encounter when they are not adequately protected is that they produce the low quality of signals, and in worse situations, the complete loss of data and information.

There are four different ways to shield over-molded connectors for custom cable assembly properly.

Figure one: An image of control panel wiring
An image of control panel wiring

1.Foil Shielding

It is the most suitable way of shielding the over-molded connectors for custom cable assembly. It provides 100% coverage for the over-molded connectors, and they are also easy to carry about.

If you require a shielding type that withstands high frequencies without posing any danger or damage, your best bet is foil shielding. Also, the foil shielding of the over-molded connector is suitable to control the effect of radio-frequency interference.

The foil shielding comprises a thin layer of copper and aluminum that accompanied by polyester that increases its strength.

Furthermore, foil shielding is easy to terminate in situations where you no longer need it.

Another reason the foil shielding of an over-molded connector for cable assembly is best is that it is cost-effective. Although, the foil shielding method of the over-molded connector of custom cable assembly possesses its drawbacks.

The major drawback of foil shielding is that it may pose a problem for you to work with as a result of the physical outlook of the shield. The thinness of the foil shielding makes it sometimes difficult to use.

Figure two: An image of bare stranded wire
An image of control panel wiring

2.Braided Shielding

Unlike the foil shielding that provided 100% coverage, the braided shielding provides about 70-90% coverage.

Braided shielding is considered one of the oldest methods of shielding over-molded connectors. It is usually at its optimum at low frequencies.

The strength of the braided shielding of the over-molded connector is second to none. It is very flexible as well, and this makes it easy to use. If your custom cable assembly requires a medium- frequency application, then you must favor braided shielding.

Interestingly, braided shielding is one of the most secure ways of protecting your over-molded connectors from the harsh effects of electromagnetic interference.

The physical properties of braided shielding include a woven mesh of copper wire. It is usually a thinned gauge that appears twisted around the over-molded connectors.

The braided shield is disadvantageous in that makes the over-molded connector’s resistance to ground factors. To ensure that the braided shield of the over-molded connector is firm and secure, it is best that you tightly secure the braids so that it can be resistant to other factors.

Not all organizations can afford the cost of the braided shielding of over-molded connectors of the custom cable assembly. No doubt, the braided shielding possesses a bulky outlook, which is beneficial in that it protects the over-molded connectors.

Figure three: An image of control panel cable assemblies
An image of control panel wiring

3.A Fusion of Foil and Braid

This type of shielding possesses the features of both the foil shielding and the braided shielding. It combines the characteristics of both types to enhance its functionality.

Just like the foil shielding method for custom cable assemblies’ over-molded connectors, this type of shielding provides 100% coverage. The mechanical strength of the fusion of foil and braid shielding is second to none.

Ideally, this type of shielding is not selective. It works for both types of frequencies. The foil shielded method of over-molded connectors of the custom cable assembly is suitable for high frequencies, while the braided shield is suitable for medium- frequency.

But, the fusion of foil and braided shield is suitable for both the low and high frequencies. A unique aspect of this type of shielded over-molded connector of the custom cable assembly is that it tries to outdo any interference of sort completely.

The foil shielded way to shield over-molded connector works to eliminate the presence of radio-frequency interference. In contrast, the braided shield is suitable to overcome the obstacles that electromagnetic interference may pose.

The fusion of foil and braided shield is suitable to overcome the obstacles of both the radio frequency interference and electromagnetic interference. Thus, this method of shielding the over-molded connector of the custom cable assembly is very efficient for eliminating noise.

An outstanding advantage of this shielding method is that it is based on each other’s advantages and overcomes its disadvantages.

That is, the fusion of foil and braid shielding helps to strengthen each other’s characteristics rather than relying on their weaknesses. When both methods of shielding over-molded connectors of custom cable assembly are fused, they no longer shield individually. Rather, they work together as one.

Figure four: An image of close up technician’s hands wiring computer mainboard
An image of close up technician’s hands wiring computer mainboard

4.Spiral Shielding

It is another way to shield over-molded connectors of the custom cable assembly. The braided shielding is known to be flexible. But, its flexibility cannot be compared to the spiral shielding method.

If you hope to settle for a shielding method that is very compatible with low frequencies, the best shielding type for you is the spiral shielding.

Terminating spiral shielding is very easy when compared to braided shielding. The spiral shielding method of shielding over-molded connectors of custom cable assembly does not guarantee 100% coverage of the material, but they can make up for 95-98% coverage.

The spiral shielding method of shielding over-molded connector is very similar to the braided shielding. The major difference between both types of shielding is that braid in place of woven pattern is used of shielding.

For spiral shielding, it makes use of straps of wires that coiled around the conductor in a spiral pattern. This type of shielding is best for audio equipment such as microphones and audio cables.

The application of the spiral shielded method of shielding over-molded connectors in custom cable assembly is not limited to audio equipment. It also used for retractable cord cables that use long-life.

Conclusion

CLOOM Tech is a reputable organization that equipped with the right technical know-how associated with cables and all that there is to it.

With us, you can safely get the right shielding for your connector. We guarantee excellence and expertise in the delivery of our services.

Also, we ensure that we provide you with the necessary professional support and guidance towards making the right choice of shield for your over-molded connectors.

Getting the right organization to handle the shielding of your company’s over-molded connectors is very important. The relevance and advantage of shielding the over-molded connector for cable assembly are very important. For this reason, you must make the right choice of a tech organization to handle your job.

There is none other, but Cloom tech fit to handle shielding of your over-connectors. If you have any questions or require clarification in this regard, contact us and get nothing but the best.

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