Sager Electronics: Molex Mini-Fit Family of Power Connectors

December 8, 2020

A wide range of OEMs require high-current, high-density power connectors that also support design flexibility. To meet these needs, the Molex Mini-Fit Family of Power Connects (Mini-Fit Jr., Mini-Fit Plus, Mini-Fit Blind-Mate Interface (BMI) and Mini-Fit TPA2 Connectors) offer polarized housings with isolated terminals, positive locks and low-engagement forces. All versions of Mini-Fit Jr. and Mini-Fit Plus Connectors are compatible with each other, including with Mini-Fit TPA2 and Mini-Fit BMI Components, bringing flexibility to the toughest design dilemmas.

Customers with blind mate applications require connectors that make assembly easier, protect against mis-mating and prevent potential damage to terminals. Mini-Fit BMI Connectors allow misalignment and provide up to 2.54mm of float between mating surfaces for easy blind-mate connections. Furthermore, they feature flanges that help “gather” the mating receptacle for more accurate mating. Incorrectly assembled connectors can lead to terminal back-outs, causing end-product failure. The impact of terminal back-outs can result in liability costs to manufacturers and harm to individuals. Mini-Fit TPA2 Connectors prevent end-product failure by offering terminal position assurance (TPA), which reduces terminal back-out by providing locking redundancy. Mini-Fit TPA2 Receptacles are backward compatible with Mini-Fit Jr. Headers, eliminating the need for customers to make major revisions or investments in their applications.

Mini-Fit Connector Features:

•    –   Fully isolated terminals
  Protect against potential damage during handling
•    –   Polarized mating geometry
  Ensures header and receptacle cannot be mismated

Mini-Fit Plus Connectors Features:

•    –   Crimp terminals are produced from a proprietary, high-current alloy
  Rated up to 13.0A per circuit
•    –   Select series offer up to 1500 mating cycles with gold terminals; standard series support 100 mating cycles with gold plated terminals; 75 mating cycles with tin plated terminals
  Ideal for applications requiring a high number of mating cycles
•    –   Self aligning interface
  Enables operator to mate connectors in hard to reach areas
•    –   Multi-color cable configurations with Mini-Fit TPA2 Connectors available off the shelf
  Designed to support development and production programs
  Multi-color cables ensure correct connection
•    –   Positive locking housings
  Easy to operate thumb latch assures connectors are fully mated
  Prevents accidental unmating
•    –   Receptacles and plugs accept standard Mini-Fit and Mini-Fit Plus crimp terminals
  Reduces the number of parts to be purchased and inventoried
•    –   Terminals feature a patented, elongated dimple design
  Provide long wipe lengths and increased contact area for improved long-term reliability

Mini-Fit BMI Connectors Features:

•    –   Blind mating interface
  Allows 2.54mm misalignment in x and y axis for all configurations

Mini-Fit TPA2 Connectors and Cable Assemblies Features:

•    –   Terminal position assurance (TPA) with secondary locking feature
  Reduces assembly error and ensures terminals are fully seated to end-product failure

https://www.sager.com/molex-mini-fit-family-of-power-connectors/default.aspx