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

ImagineManufacturer Part NumberDescriereAvailable QuantityPrețVedeți detalii
CONN RCPT HSG 2POS 3.50MM1722563102CONN RCPT HSG 2POS 3.50MM19531 - Immediate$1.70Vedeți detalii
CONN RCPT HSG 4POS 3.50MM1722563104CONN RCPT HSG 4POS 3.50MM14667 - Immediate
8000 - Factory Stock
$1.53Vedeți detalii
CONN RCPT HSG 2POS 3.50MM1722564102CONN RCPT HSG 2POS 3.50MM15316 - Immediate$1.61Vedeți detalii
CONN RCPT HSG 3POS 3.50MM1722563103CONN RCPT HSG 3POS 3.50MM9752 - Immediate
71500 - Factory Stock
$1.48Vedeți detalii
CONN RCPT HSG 4POS 3.50MM1722584104CONN RCPT HSG 4POS 3.50MM8027 - Immediate$1.92Vedeți detalii
CONN RCPT HSG 4POS 3.50MM1722583104CONN RCPT HSG 4POS 3.50MM9695 - Immediate$1.61Vedeți detalii
CONN RCPT HSG 4POS 3.50MM1722564104CONN RCPT HSG 4POS 3.50MM2906 - Immediate$1.70Vedeți detalii
CONN RCPT HSG 6POS 3.50MM1722583106CONN RCPT HSG 6POS 3.50MM4547 - Immediate$2.01Vedeți detalii
CONN RCPT HSG 3POS 3.50MM1722564103CONN RCPT HSG 3POS 3.50MM4299 - Immediate$1.31Vedeți detalii
CONN RCPT HSG 6POS 3.50MM1722563106CONN RCPT HSG 6POS 3.50MM3920 - Immediate$1.77Vedeți detalii
CONN RCPT HSG 6POS 3.50MM1722584106CONN RCPT HSG 6POS 3.50MM5753 - Immediate$1.92Vedeți detalii
CONN RCPT HSG 8POS 3.50MM1722583108CONN RCPT HSG 8POS 3.50MM18562 - Immediate$1.73Vedeți detalii
CONN RCPT HSG 8POS 3.50MM1722563108CONN RCPT HSG 8POS 3.50MM6501 - Immediate$2.66Vedeți detalii
CONN RCPT HSG 8POS 3.50MM1722584108CONN RCPT HSG 8POS 3.50MM3792 - Immediate$2.43Vedeți detalii

PCB Headers

ImagineManufacturer Part NumberDescriereAvailable QuantityPrețVedeți detalii
CONN HEADER VERT 2POS 3.5MM1722861102CONN HEADER VERT 2POS 3.5MM14050 - Immediate$3.36Vedeți detalii
CONN HEADER VERT 4POS 3.5MM1722981104CONN HEADER VERT 4POS 3.5MM3542 - Immediate$3.84Vedeți detalii
CONN HEADER VERT 2POS 3.5MM1722862102CONN HEADER VERT 2POS 3.5MM18657 - Immediate$2.62Vedeți detalii
CONN HEADER VERT 6POS 3.5MM1722981106CONN HEADER VERT 6POS 3.5MM7823 - Immediate$4.80Vedeți detalii
CONN HEADER VERT 2POS 3.5MM1722861302CONN HEADER VERT 2POS 3.5MM1002 - Immediate$9.33Vedeți detalii
ULTRAFIT HDR RT 1R BLK NAIL 06 C1723103306ULTRAFIT HDR RT 1R BLK NAIL 06 C0 - Immediate$14.95Vedeți detalii
CONN HEADER VERT 10POS 3.5MM1722991310CONN HEADER VERT 10POS 3.5MM499 - Immediate$25.85Vedeți detalii
CONN HEADER VERT 3POS 3.5MM1722862103CONN HEADER VERT 3POS 3.5MM0 - Immediate$4.01Vedeți detalii
CONN HEADER VERT 6POS 3.5MM1722861106CONN HEADER VERT 6POS 3.5MM1109 - Immediate$4.71Vedeți detalii
CONN HEADER VERT 2POS 3.5MM1722861202CONN HEADER VERT 2POS 3.5MM1740 - Immediate$5.67Vedeți detalii
CONN HEADER VERT 3POS 3.5MM1722861203CONN HEADER VERT 3POS 3.5MM1720 - Immediate$7.11Vedeți detalii
CONN HEADER VERT 8POS 3.5MM1722992108CONN HEADER VERT 8POS 3.5MM1620 - Immediate$7.38Vedeți detalii
CONN HEADER VERT 4POS 3.5MM1722991304CONN HEADER VERT 4POS 3.5MM0 - Immediate$10.86Vedeți detalii
CONN HEADER VERT 12POS 3.5MM1722982112CONN HEADER VERT 12POS 3.5MM940 - Immediate$7.02Vedeți detalii

Crimp Terminals

ImagineManufacturer Part NumberDescriereAvailable QuantityPrețVedeți detalii
ULTRA-FIT TANGLESS CRIMP TERMINA1722537023ULTRA-FIT TANGLESS CRIMP TERMINA265409 - Immediate
105000 - Factory Stock
$1.09Vedeți detalii
ULTRA-FIT TANGLESS CRIMP TERMINA1722537123ULTRA-FIT TANGLESS CRIMP TERMINA20852 - Immediate
35000 - Factory Stock
$1.09Vedeți detalii
CONN SOCKET 20-22AWG CRIMP GOLD1722536111CONN SOCKET 20-22AWG CRIMP GOLD24321 - Immediate
70000 - Factory Stock
$1.61Vedeți detalii
CRIMP TERM ULTRA-FIT 16-18 30MI1722536012CRIMP TERM ULTRA-FIT 16-18 30MI51236 - Immediate$1.79Vedeți detalii
CONN SOCKET 16-18AWG CRIMP GOLD1722536011CONN SOCKET 16-18AWG CRIMP GOLD21788 - Immediate
35000 - Factory Stock
$1.79Vedeți detalii
CRIMP TERM ULTRA-FIT 20-22 30MI1722536112CRIMP TERM ULTRA-FIT 20-22 30MI76102 - Immediate$1.79Vedeți detalii
ULTRA-FIT PLUG TML TIN 16-18AWG2169465013ULTRA-FIT PLUG TML TIN 16-18AWG0 - Immediate$2.35Vedeți detalii
ULTRA-FIT PLUG TML TIN 20-22AWG2169465113ULTRA-FIT PLUG TML TIN 20-22AWG19886 - Immediate$2.35Vedeți detalii
ULTRA-FIT PLUG TML GOLD 15U 16-12169465011ULTRA-FIT PLUG TML GOLD 15U 16-10 - Immediate$2.44Vedeți detalii
ULTRA-FIT PLUG TML GOLD 15U 20-22169465111ULTRA-FIT PLUG TML GOLD 15U 20-224541 - Immediate$3.71Vedeți detalii
ULTRA-FIT PLUG TML GOLD 30U 20-22169465112ULTRA-FIT PLUG TML GOLD 30U 20-236361 - Immediate$4.67Vedeți detalii
ULTRA-FIT PLUG TML GOLD 30U 16-12169465012ULTRA-FIT PLUG TML GOLD 30U 16-126172 - Immediate$3.84Vedeți detalii

TPA Retainers

ImagineManufacturer Part NumberDescriereAvailable QuantityPrețVedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644002ULTRA-FIT TANGLESS TERMINAL POSI9261 - Immediate$0.59Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644003ULTRA-FIT TANGLESS TERMINAL POSI5407 - Immediate$0.63Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643002ULTRA-FIT TANGLESS TERMINAL POSI9627 - Immediate$0.65Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644004ULTRA-FIT TANGLESS TERMINAL POSI8249 - Immediate
52000 - Factory Stock
$0.59Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643004ULTRA-FIT TANGLESS TERMINAL POSI6393 - Immediate$0.70Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643003ULTRA-FIT TANGLESS TERMINAL POSI6985 - Immediate$0.63Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643005ULTRA-FIT TANGLESS TERMINAL POSI3074 - Immediate$0.70Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644008ULTRA-FIT TANGLESS TERMINAL POSI4785 - Immediate$0.70Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643008ULTRA-FIT TANGLESS TERMINAL POSI3019 - Immediate$0.67Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644005ULTRA-FIT TANGLESS TERMINAL POSI724 - Immediate$0.59Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644006ULTRA-FIT TANGLESS TERMINAL POSI9259 - Immediate
4500 - Factory Stock
$0.70Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722644007ULTRA-FIT TANGLESS TERMINAL POSI5683 - Immediate$0.65Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643007ULTRA-FIT TANGLESS TERMINAL POSI3565 - Immediate$0.78Vedeți detalii
ULTRA-FIT TANGLESS TERMINAL POSI1722643006ULTRA-FIT TANGLESS TERMINAL POSI5049 - Immediate$0.78Vedeți detalii

Crimpers and Applicators

ImagineManufacturer Part NumberDescriereAvailable QuantityPrețVedeți detalii
HAND TOOL FOR ULTRA-FIT2002184600HAND TOOL FOR ULTRA-FIT7 - Immediate
5 - Factory Stock
$2,199.23Vedeți detalii
FINEADJUST APPLICATOR0639043300FINEADJUST APPLICATOR1 - Immediate$18,185.56Vedeți detalii
TOOL HAND CRIMPER 172253 SIDE0638275300TOOL HAND CRIMPER 172253 SIDE6 - Immediate
50 - Factory Stock
$1,737.98Vedeți detalii
HAND TOOL ULTRA-FIT 20-22AWG2238630900HAND TOOL ULTRA-FIT 20-22AWG1 - Immediate$1,920.10Vedeți detalii
FINEADJUST APPLICATOR2037024300FINEADJUST APPLICATOR0 - Immediate$25,129.91Vedeți detalii
FINEADJUST APPLICATOR2037024400FINEADJUST APPLICATOR0 - Immediate$25,744.14Vedeți detalii

Jumper Wire/Pre-Crimps

ImagineManufacturer Part NumberDescriereAvailable QuantityPrețVedeți detalii
ULTRA-FIT F-S 300MM 16 AWG LEADS2174712124ULTRA-FIT F-S 300MM 16 AWG LEADS300 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-F 75MM 16 AWG LEADS2174701121ULTRA-FIT F-F 75MM 16 AWG LEADS915 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 75MM 18 AWG LEADS2174712111ULTRA-FIT F-S 75MM 18 AWG LEADS985 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 300MM 20 AWG LEADS2174711104ULTRA-FIT F-S 300MM 20 AWG LEADS974 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 225MM 20 AWG LEADS2174712203ULTRA-FIT F-S 225MM 20 AWG LEADS990 - Immediate$4.58Vedeți detalii
ULTRA-FIT F-S 450MM 20 AWG LEADS2174711205ULTRA-FIT F-S 450MM 20 AWG LEADS906 - Immediate$4.58Vedeți detalii
ULTRA-FIT F-S 225MM 18 AWG LEADS2174711113ULTRA-FIT F-S 225MM 18 AWG LEADS950 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 300MM 20 AWG LEADS2174712204ULTRA-FIT F-S 300MM 20 AWG LEADS980 - Immediate$4.58Vedeți detalii
ULTRA-FIT F-F 300MM 16 AWG LEADS2174702224ULTRA-FIT F-F 300MM 16 AWG LEADS784 - Immediate$4.58Vedeți detalii
ULTRA-FIT F-S 450MM 16 AWG LEADS2174711125ULTRA-FIT F-S 450MM 16 AWG LEADS971 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 450MM 20 AWG LEADS2174712105ULTRA-FIT F-S 450MM 20 AWG LEADS835 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 225MM 16 AWG LEADS2174712223ULTRA-FIT F-S 225MM 16 AWG LEADS1000 - Immediate$4.58Vedeți detalii
ULTRA-FIT F-S 450MM 20 AWG LEADS2174712205ULTRA-FIT F-S 450MM 20 AWG LEADS984 - Immediate$3.97Vedeți detalii
ULTRA-FIT F-S 300MM 16 AWG LEADS2174711224ULTRA-FIT F-S 300MM 16 AWG LEADS730 - Immediate$4.58Vedeți detalii
Updated: 2023-02-20
Published: 2016-01-11