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High Density Connectors for UAVs and Robotics

High Density Connectors and SWaP Constraints

Fischer High Density Connectors MiniMax SeriesHigh-density connectors encapsulate a high number of contacts within a minimal footprint, creating a highly efficient form factor and reducing the overall number of connectors needed within a system. They are ideal for SWaP-constrained applications such as small unmanned aerial systems (sUAS) and other robotic platforms where space and weight are at a premium. High-density connectors are also useful for data acquisition applications with a large number of channels.

Density Factors

LEMO-high-contact -density-F-Series-Connectors

LEMO-High-Contact -Density-F-Series-Connectors

One way of specifying the density of a connector is by calculating the density factor. This is the diameter of the connector receptacle divided by the number of contacts – the lower the factor, the higher the contact density. Density is limited by the size of the contacts, which may need to be a minimum size for a particular application in order to handle a certain amount of current. Small contacts may also be too fragile for harsh environments such as military unmanned systems.

High density connectors may be rated to military specifications, including MIL-DTL-38999 for circular connectors and MIL-DTL-28804 for rectangular connectors. Connectors for rugged applications may also be IP-rated (IP64, IP67, IP68, IP69K) to protect against dust and water ingress to various levels.

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