Ultra-Fit Power Connectors

Molex's Ultra-Fit series eliminates same-circuit-size cross mating, optimizes space savings, and reduces terminal back-out

Image of Molex's Ultra-Fit™ Power ConnectorsEach industry faces different power connector challenges. Failures can occur in appliances as a result of mis-mated connectors. Terminal back-out or other potential assembly errors can lead to dangerous brake malfunctions in vehicles. Pervasive data growth is driving PCB makers to use more electronics in smaller spaces; sourcing small yet power-dense electronics is a dilemma. Molex's Ultra-Fit power connectors address these issues, solving four key design challenges while offering the premium housing features of proven Mini-Fit and Micro-Fit 3.0 connector systems. Color-coded housings mitigate the risk of mis-mating. Optional TPA retainers significantly reduce terminal back-out. A streamlined design that is 17% smaller than competing power connectors provides space savings and an ultra-low mating force reduces operator fatigue when mating numerous high-circuit connectors.

Video: Ultra Fit Power Connectors

Features and Benefits

  • Multiple mechanical keying and color-coded options
    • Allow same-circuit, multiple connector use with virtually no chance of cross mating. Color coding provides visual indication of the proper mating connector enabling faster assembly
  • 17% reduction in pitch over similar power connectors
    • Current-dense design saves PCB space. Allows for smaller packaging without sacrificing current-carrying capabilities
  • Optional terminal position assurance (TPA) retainer
    • Guarantees the terminal is fully seated in the housing to reduce terminal back-out. Retains terminal if main retention feature fails
  • Ultra-low mating force terminal
    • Reduces operator fatigue and improves assembly compliance for high-circuit applications
  • Positive-lock housing with anti-snag design
    • Ensures mated connector assemblies will not accidentally disengage. Provides an audible click while mating. Protects latch from damage due to wire snags
  • Fully isolated terminals
    • Protect against potential damage of the header and receptacle terminals during handling and mating
  • Terminal interface with six independent points of contact (split-box terminal design)
    • Offers redundant, secondary current paths for long-term performance and reliability

Crimp Housings

ObrázekObjednací číslo výrobcePopisAvailable QuantityCenaZobrazit podrobnosti
CONN RCPT HSG 2POS 3.50MM1722563102CONN RCPT HSG 2POS 3.50MM19102 - Immediate$8.21Zobrazit podrobnosti
CONN RCPT HSG 4POS 3.50MM1722563104CONN RCPT HSG 4POS 3.50MM13513 - Immediate$7.39Zobrazit podrobnosti
CONN RCPT HSG 2POS 3.50MM1722564102CONN RCPT HSG 2POS 3.50MM15211 - Immediate$7.79Zobrazit podrobnosti
CONN RCPT HSG 3POS 3.50MM1722563103CONN RCPT HSG 3POS 3.50MM8660 - Immediate
71500 - Factory Stock
$7.16Zobrazit podrobnosti
CONN RCPT HSG 4POS 3.50MM1722584104CONN RCPT HSG 4POS 3.50MM8004 - Immediate$9.26Zobrazit podrobnosti
CONN RCPT HSG 4POS 3.50MM1722583104CONN RCPT HSG 4POS 3.50MM9383 - Immediate
12000 - Factory Stock
$7.79Zobrazit podrobnosti
CONN RCPT HSG 4POS 3.50MM1722564104CONN RCPT HSG 4POS 3.50MM1915 - Immediate$8.21Zobrazit podrobnosti
CONN RCPT HSG 6POS 3.50MM1722583106CONN RCPT HSG 6POS 3.50MM3107 - Immediate$9.68Zobrazit podrobnosti
CONN RCPT HSG 3POS 3.50MM1722564103CONN RCPT HSG 3POS 3.50MM4249 - Immediate$6.32Zobrazit podrobnosti
CONN RCPT HSG 6POS 3.50MM1722563106CONN RCPT HSG 6POS 3.50MM3920 - Immediate$8.53Zobrazit podrobnosti
CONN RCPT HSG 6POS 3.50MM1722584106CONN RCPT HSG 6POS 3.50MM5705 - Immediate$9.26Zobrazit podrobnosti
CONN RCPT HSG 8POS 3.50MM1722583108CONN RCPT HSG 8POS 3.50MM18339 - Immediate$8.34Zobrazit podrobnosti
CONN RCPT HSG 8POS 3.50MM1722563108CONN RCPT HSG 8POS 3.50MM6490 - Immediate$12.84Zobrazit podrobnosti
CONN RCPT HSG 8POS 3.50MM1722584108CONN RCPT HSG 8POS 3.50MM3792 - Immediate$11.75Zobrazit podrobnosti

PCB Headers

ObrázekObjednací číslo výrobcePopisAvailable QuantityCenaZobrazit podrobnosti
CONN HEADER VERT 2POS 3.5MM1722861102CONN HEADER VERT 2POS 3.5MM11120 - Immediate
9800 - Factory Stock
$16.21Zobrazit podrobnosti
CONN HEADER VERT 4POS 3.5MM1722981104CONN HEADER VERT 4POS 3.5MM2964 - Immediate$18.52Zobrazit podrobnosti
CONN HEADER VERT 2POS 3.5MM1722862102CONN HEADER VERT 2POS 3.5MM18657 - Immediate$12.63Zobrazit podrobnosti
CONN HEADER VERT 6POS 3.5MM1722981106CONN HEADER VERT 6POS 3.5MM7593 - Immediate$23.16Zobrazit podrobnosti
CONN HEADER VERT 2POS 3.5MM1722861302CONN HEADER VERT 2POS 3.5MM1002 - Immediate$45.05Zobrazit podrobnosti
ULTRAFIT HDR RT 1R BLK NAIL 06 C1723103306ULTRAFIT HDR RT 1R BLK NAIL 06 C0 - Immediate$72.18Zobrazit podrobnosti
CONN HEADER VERT 10POS 3.5MM1722991310CONN HEADER VERT 10POS 3.5MM494 - Immediate
39825 - Factory Stock
$124.83Zobrazit podrobnosti
CONN HEADER VERT 3POS 3.5MM1722862103CONN HEADER VERT 3POS 3.5MM0 - Immediate$19.37Zobrazit podrobnosti
CONN HEADER VERT 6POS 3.5MM1722861106CONN HEADER VERT 6POS 3.5MM809 - Immediate$22.73Zobrazit podrobnosti
CONN HEADER VERT 2POS 3.5MM1722861202CONN HEADER VERT 2POS 3.5MM1685 - Immediate$27.37Zobrazit podrobnosti
CONN HEADER VERT 3POS 3.5MM1722861203CONN HEADER VERT 3POS 3.5MM1095 - Immediate$34.31Zobrazit podrobnosti
CONN HEADER VERT 8POS 3.5MM1722992108CONN HEADER VERT 8POS 3.5MM1620 - Immediate$35.62Zobrazit podrobnosti
CONN HEADER VERT 4POS 3.5MM1722991304CONN HEADER VERT 4POS 3.5MM478 - Immediate$52.41Zobrazit podrobnosti
CONN HEADER VERT 12POS 3.5MM1722982112CONN HEADER VERT 12POS 3.5MM753 - Immediate$33.91Zobrazit podrobnosti

Crimp Terminals

ObrázekObjednací číslo výrobcePopisAvailable QuantityCenaZobrazit podrobnosti
ULTRA-FIT TANGLESS CRIMP TERMINA1722537023ULTRA-FIT TANGLESS CRIMP TERMINA262283 - Immediate
70000 - Factory Stock
$5.26Zobrazit podrobnosti
ULTRA-FIT TANGLESS CRIMP TERMINA1722537123ULTRA-FIT TANGLESS CRIMP TERMINA18232 - Immediate
35000 - Factory Stock
$5.26Zobrazit podrobnosti
CONN SOCKET 20-22AWG CRIMP GOLD1722536111CONN SOCKET 20-22AWG CRIMP GOLD22806 - Immediate$7.79Zobrazit podrobnosti
CRIMP TERM ULTRA-FIT 16-18 30MI1722536012CRIMP TERM ULTRA-FIT 16-18 30MI120121 - Immediate$8.63Zobrazit podrobnosti
CONN SOCKET 16-18AWG CRIMP GOLD1722536011CONN SOCKET 16-18AWG CRIMP GOLD11923 - Immediate
70000 - Factory Stock
$8.63Zobrazit podrobnosti
CRIMP TERM ULTRA-FIT 20-22 30MI1722536112CRIMP TERM ULTRA-FIT 20-22 30MI75107 - Immediate$8.63Zobrazit podrobnosti
ULTRA-FIT PLUG TML TIN 16-18AWG2169465013ULTRA-FIT PLUG TML TIN 16-18AWG0 - Immediate$11.37Zobrazit podrobnosti
ULTRA-FIT PLUG TML TIN 20-22AWG2169465113ULTRA-FIT PLUG TML TIN 20-22AWG19886 - Immediate$11.37Zobrazit podrobnosti
ULTRA-FIT PLUG TML GOLD 15U 16-12169465011ULTRA-FIT PLUG TML GOLD 15U 16-10 - Immediate$11.79Zobrazit podrobnosti
ULTRA-FIT PLUG TML GOLD 15U 20-22169465111ULTRA-FIT PLUG TML GOLD 15U 20-224541 - Immediate$17.89Zobrazit podrobnosti
ULTRA-FIT PLUG TML GOLD 30U 20-22169465112ULTRA-FIT PLUG TML GOLD 30U 20-236201 - Immediate$22.52Zobrazit podrobnosti
ULTRA-FIT PLUG TML GOLD 30U 16-12169465012ULTRA-FIT PLUG TML GOLD 30U 16-125912 - Immediate$18.52Zobrazit podrobnosti

TPA Retainers

ObrázekObjednací číslo výrobcePopisAvailable QuantityCenaZobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644002ULTRA-FIT TANGLESS TERMINAL POSI19839 - Immediate$2.84Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644003ULTRA-FIT TANGLESS TERMINAL POSI4882 - Immediate$3.03Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643002ULTRA-FIT TANGLESS TERMINAL POSI9392 - Immediate$3.16Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644004ULTRA-FIT TANGLESS TERMINAL POSI8089 - Immediate
52000 - Factory Stock
$2.84Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643004ULTRA-FIT TANGLESS TERMINAL POSI5873 - Immediate$3.37Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643003ULTRA-FIT TANGLESS TERMINAL POSI6835 - Immediate$3.03Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643005ULTRA-FIT TANGLESS TERMINAL POSI2564 - Immediate$3.37Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644008ULTRA-FIT TANGLESS TERMINAL POSI4785 - Immediate$3.37Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643008ULTRA-FIT TANGLESS TERMINAL POSI3018 - Immediate$3.22Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644005ULTRA-FIT TANGLESS TERMINAL POSI668 - Immediate$2.84Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644006ULTRA-FIT TANGLESS TERMINAL POSI9259 - Immediate
4500 - Factory Stock
$3.37Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722644007ULTRA-FIT TANGLESS TERMINAL POSI5683 - Immediate$3.16Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643007ULTRA-FIT TANGLESS TERMINAL POSI3515 - Immediate$3.79Zobrazit podrobnosti
ULTRA-FIT TANGLESS TERMINAL POSI1722643006ULTRA-FIT TANGLESS TERMINAL POSI4949 - Immediate$3.79Zobrazit podrobnosti

Crimpers and Applicators

ObrázekObjednací číslo výrobcePopisAvailable QuantityCenaZobrazit podrobnosti
HAND TOOL FOR ULTRA-FIT2002184600HAND TOOL FOR ULTRA-FIT16 - Immediate
5 - Factory Stock
$10,618.04Zobrazit podrobnosti
FINEADJUST APPLICATOR0639043300FINEADJUST APPLICATOR1 - Immediate$87,799.55Zobrazit podrobnosti
TOOL HAND CRIMPER 172253 SIDE0638275300TOOL HAND CRIMPER 172253 SIDE6 - Immediate
50 - Factory Stock
$8,390.93Zobrazit podrobnosti
HAND TOOL ULTRA-FIT 20-22AWG2238630900HAND TOOL ULTRA-FIT 20-22AWG0 - Immediate$9,270.21Zobrazit podrobnosti
FINEADJUST APPLICATOR2037024300FINEADJUST APPLICATOR0 - Immediate$121,326.73Zobrazit podrobnosti
FINEADJUST APPLICATOR2037024400FINEADJUST APPLICATOR0 - Immediate$124,292.25Zobrazit podrobnosti

Jumper Wire/Pre-Crimps

ObrázekObjednací číslo výrobcePopisAvailable QuantityCenaZobrazit podrobnosti
ULTRA-FIT F-S 300MM 16 AWG LEADS2174712124ULTRA-FIT F-S 300MM 16 AWG LEADS354 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-F 75MM 16 AWG LEADS2174701121ULTRA-FIT F-F 75MM 16 AWG LEADS915 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 75MM 18 AWG LEADS2174712111ULTRA-FIT F-S 75MM 18 AWG LEADS985 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 300MM 20 AWG LEADS2174711104ULTRA-FIT F-S 300MM 20 AWG LEADS974 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 225MM 20 AWG LEADS2174712203ULTRA-FIT F-S 225MM 20 AWG LEADS990 - Immediate$22.10Zobrazit podrobnosti
ULTRA-FIT F-S 450MM 20 AWG LEADS2174711205ULTRA-FIT F-S 450MM 20 AWG LEADS906 - Immediate$22.10Zobrazit podrobnosti
ULTRA-FIT F-S 225MM 18 AWG LEADS2174711113ULTRA-FIT F-S 225MM 18 AWG LEADS950 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 300MM 20 AWG LEADS2174712204ULTRA-FIT F-S 300MM 20 AWG LEADS980 - Immediate$22.10Zobrazit podrobnosti
ULTRA-FIT F-F 300MM 16 AWG LEADS2174702224ULTRA-FIT F-F 300MM 16 AWG LEADS784 - Immediate$22.10Zobrazit podrobnosti
ULTRA-FIT F-S 450MM 16 AWG LEADS2174711125ULTRA-FIT F-S 450MM 16 AWG LEADS971 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 450MM 20 AWG LEADS2174712105ULTRA-FIT F-S 450MM 20 AWG LEADS835 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 225MM 16 AWG LEADS2174712223ULTRA-FIT F-S 225MM 16 AWG LEADS1000 - Immediate$22.10Zobrazit podrobnosti
ULTRA-FIT F-S 450MM 20 AWG LEADS2174712205ULTRA-FIT F-S 450MM 20 AWG LEADS984 - Immediate$19.16Zobrazit podrobnosti
ULTRA-FIT F-S 300MM 16 AWG LEADS2174711224ULTRA-FIT F-S 300MM 16 AWG LEADS630 - Immediate$22.10Zobrazit podrobnosti
Updated: 2023-02-20
Published: 2016-01-11