Connector series cover low, mid, high-power spectrum

2nd September 2014
Source: TTI Europe
Posted By : Mick Elliott
Connector series cover low, mid, high-power spectrum

Molex’s Perfect Fit range comprises three series of robust, reliable power interconnects. Mega-Fit, Mini-Fit Jr and Micro-Fit 3.0 connectors provide a power solution for a wide range of applications across a broad range of markets, from defence to consumer. All three series are available from TTI.

Mega-Fit 3.0 series interconnects offer up to 23.0A current-carrying capability, the highest on the market compared to existing mid-range power connectors. This power-dense design with high current terminals, tight pitch and row spacing provides more power per linear and square millimetre than most mid-range power products.

Featuring a patented split-box terminal design, they have six independent points of contact to provide long-term reliability through secondary current path redundancy. These sacrificial contacts allow the system to be "hot plugged“ at 48V/23.0A up to 30 cycles. Fully isolated header pins and receptacle terminals protect the device from damage during handling and mating. Housings are polarised and feature positive locking for secure retention, while an audible click confirms proper mating.

The connectors suit commercial vehicle power converters and unsealed electronic control modules, consumer/home applicances such as washing machines and dryers, heaters and air conditioning units, industrial applications including lighting, automation, machinery and heavy equipment, while in telecommunications and networking products, Mega-Fit 3.0 interconnects suit hubs, servers, power supplies and distribution applications.

The Mini-Fit Jr. connectors are optimised for high current, high density applications requiring design flexibility. Suitable for power applications up to 9.0A per circuit, they are available in single or dual row 2- to 24- circuit options. The conectors feature polarised mating geometry and positive locking housings with a thumb latch to ensure correct mating and prevent accidental unmating. Scoop-proof housings protect terminals and header pins in the event the connector is mated at a severe angle.

Suitable applications include office data and communications equipment and networking devices such as rack-mounted servers and router/switches.

Micro-Fit 3.0 low- to mid-range power distribution connectors boast the highest current power distribution capability in the smallest size device currently available on the market. Electrical specification is up to 5.0A per circuit, and the series is rated at 600VAC. Based on a 3.0mm centreline, the connectors are available in wire-to-wire and wire-to-board options for SMT and through-hole processing.

Versions include 2 to 24 circuits and both single and dual row configurations. Micro-Fit connectors feature contacts which are fully isolated each side of the interface and have four points of contact for redundancy. In addition, housings feature full polarisation and positive locking to ensure secure mating. Micro-Fit 3.0 interconnects are available in pure tin or two thicknesses of select gold for cost-saving. UL recognised, CSA approved and TUV licensed, all components in the series are lead-free, RoHS compliant, halogen free and glow-wire compatible.

They suit aerospace and defence COTS applications as well as alternative energy, data/communications, medical, telecommunications and consumer devices.

 

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