![]() Generic plugs are often named for the pin diameter they are designed to take. Most of the other coaxial DC power connectors have no specified voltage association, however. The Japanese EIAJ standard includes five different sizes, with each supporting a specified range of voltages. In addition to a plethora of generic designs (whose original designer is unknown) there are at least two different national standards- EIAJ in Japan and DIN in Germany, plus the JSBP connector used on some laptop computers. There are a wide variety of sizes and designs for these power connectors, and many appear quite similar to each other yet are not quite mechanically or electrically compatible. The outer plug contact is often called the barrel, sleeve or ring, while the inner one is called the tip. A pin mounted in the socket makes contact with a second internal contact. Inverted polarity plugs can, and do, damage circuitry when plugged in, even if the voltage is correct not all equipment is equipped with protection. The outer body of the plug is one contact, most often but not always the negative side of the supply. Some of these jacks contain a normally closed contact, which can be used to disconnect internal batteries whenever the power supply is connected, avoiding the risk of battery leakage or explosion posed by incorrect recharging of the batteries.Ĭylindrical plugs usually have an insulated tip constructed to accept insertion of a pin. The matching jack or socket is permanently fitted to the equipment to be powered. The intended use of these plugs is on the cable connected to an external AC adapter ( power supply). ![]() They may be known as "coaxial power connectors", "barrel connectors", "concentric barrel connectors" or "tip connectors". Headers, eliminating the need for customers to make major revisions or investments in their applications.Small cylindrical connectors come in a variety of sizes. Mini-Fit TPA2 Receptacles are backward compatible with Mini-Fit Jr. Mini-Fit TPA2 Connectors prevent end-product failure by offering terminal position assurance (TPA), which reduces terminal back-out by providing locking redundancy. The impact of terminal back-outs can result in liability costs to manufacturers and harm to individuals. ![]() Incorrectly assembled connectors can lead to terminal back-outs, causing end-product failure. Furthermore, they feature flanges that help “gather” the mating receptacle for more accurate mating. Mini-Fit BMI Connectors allow misalignment and provide up to 2.54mm of float between mating surfaces for easy blind-mate connections. 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.Ĭustomers with blind mate applications require connectors that make assembly easier, protect against mis-mating and prevent potential damage to terminals. To meet these needs, 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. Provides excellent support for the rubber cap that mounts around the back of the housingĪllows for accurate mating to standard Mini-Fit 4.2 Power ConnectorsĪ wide range of OEMs require high-current, high-density power connectors that also support design flexibility. Provides safety, and stability of housing to the pane Panel mount ears recommended panel cut-outs for 0.89mm to 3.00mm thick panels panel cut-out tolerances +0.10mm: ![]() Provides safety for the terminals during packing and assembly insertion Mini-Fit Sigma Offer redundant, secondary current paths for long-term performance and reliability Prevents accidental unmating Mini-Fit BMI ConnectorsĪllows 2.54mm misalignment in x and y axis for all configurations Mini-Fit Maxĭelivers more power per linear inch and square millimeter than other mid-range power connectors Enables operator to mate connectors in hard to reach areasĮnsures header and receptacle cannot be mismatedĮasy to operate thumb latch assures connectors are fully mated
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