Ultra-Fit Power Connectors
Molex's Ultra-Fit series eliminates same-circuit-size cross mating, optimizes space savings, and reduces terminal back-out
Each 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
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722563102 | CONN RCPT HSG 2POS 3.50MM | 4991 - Immediate | $0.33 | View Details |
![]() | ![]() | 1722563104 | CONN RCPT HSG 4POS 3.50MM | 16336 - Immediate 8000 - Factory Stock | $0.30 | View Details |
![]() | ![]() | 1722564102 | CONN RCPT HSG 2POS 3.50MM | 15794 - Immediate | $0.32 | View Details |
![]() | ![]() | 1722563103 | CONN RCPT HSG 3POS 3.50MM | 10260 - Immediate 49500 - Factory Stock | $0.29 | View Details |
![]() | ![]() | 1722584104 | CONN RCPT HSG 4POS 3.50MM | 0 - Immediate | $0.38 | View Details |
![]() | ![]() | 1722583104 | CONN RCPT HSG 4POS 3.50MM | 12584 - Immediate | $0.32 | View Details |
![]() | ![]() | 1722564104 | CONN RCPT HSG 4POS 3.50MM | 3041 - Immediate | $0.33 | View Details |
![]() | ![]() | 1722583106 | CONN RCPT HSG 6POS 3.50MM | 5489 - Immediate | $0.39 | View Details |
![]() | ![]() | 1722564103 | CONN RCPT HSG 3POS 3.50MM | 4299 - Immediate | $0.26 | View Details |
![]() | ![]() | 1722563106 | CONN RCPT HSG 6POS 3.50MM | 3926 - Immediate | $0.35 | View Details |
![]() | ![]() | 1722584106 | CONN RCPT HSG 6POS 3.50MM | 5788 - Immediate | $0.38 | View Details |
![]() | ![]() | 1722583108 | CONN RCPT HSG 8POS 3.50MM | 21952 - Immediate 6000 - Factory Stock | $0.34 | View Details |
![]() | ![]() | 1722563108 | CONN RCPT HSG 8POS 3.50MM | 6511 - Immediate | $0.52 | View Details |
![]() | ![]() | 1722584108 | CONN RCPT HSG 8POS 3.50MM | 3792 - Immediate | $0.48 | View Details |
PCB Headers
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722861102 | CONN HEADER VERT 2POS 3.5MM | 1987 - Immediate | $0.65 | View Details |
![]() | ![]() | 1722981104 | CONN HEADER VERT 4POS 3.5MM | 4239 - Immediate | $0.75 | View Details |
![]() | ![]() | 1722862102 | CONN HEADER VERT 2POS 3.5MM | 18657 - Immediate | $0.51 | View Details |
![]() | ![]() | 1722981106 | CONN HEADER VERT 6POS 3.5MM | 2494 - Immediate | $0.94 | View Details |
![]() | ![]() | 1722861302 | CONN HEADER VERT 2POS 3.5MM | 1002 - Immediate | $1.84 | View Details |
![]() | ![]() | 1723103306 | ULTRAFIT HDR RT 1R BLK NAIL 06 C | 0 - Immediate | $2.94 | View Details |
![]() | ![]() | 1722991310 | CONN HEADER VERT 10POS 3.5MM | 664 - Immediate 16200 - Factory Stock | $5.09 | View Details |
![]() | ![]() | 1722862103 | CONN HEADER VERT 3POS 3.5MM | 2342 - Immediate | $0.79 | View Details |
![]() | ![]() | 1722861106 | CONN HEADER VERT 6POS 3.5MM | 1139 - Immediate | $0.93 | View Details |
![]() | ![]() | 1722861202 | CONN HEADER VERT 2POS 3.5MM | 2280 - Immediate | $1.12 | View Details |
![]() | ![]() | 1722861203 | CONN HEADER VERT 3POS 3.5MM | 1 - Immediate | $1.29 | View Details |
![]() | ![]() | 1722992108 | CONN HEADER VERT 8POS 3.5MM | 1620 - Immediate | $1.37 | View Details |
![]() | ![]() | 1722991304 | CONN HEADER VERT 4POS 3.5MM | 0 - Immediate | $2.14 | View Details |
![]() | ![]() | 1722982112 | CONN HEADER VERT 12POS 3.5MM | 970 - Immediate | $1.38 | View Details |
Crimp Terminals
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722537023 | ULTRA-FIT TANGLESS CRIMP TERMINA | 279815 - Immediate 105000 - Factory Stock | $0.21 | View Details |
![]() | ![]() | 1722537123 | ULTRA-FIT TANGLESS CRIMP TERMINA | 0 - Immediate 70000 - Factory Stock | $0.21 | View Details |
![]() | ![]() | 1722536111 | CONN SOCKET 20-22AWG CRIMP GOLD | 31607 - Immediate 35000 - Factory Stock | $0.32 | View Details |
![]() | ![]() | 1722536012 | CRIMP TERM ULTRA-FIT 16-18 30MI | 56331 - Immediate | $0.35 | View Details |
![]() | ![]() | 1722536011 | CONN SOCKET 16-18AWG CRIMP GOLD | 41775 - Immediate | $0.35 | View Details |
![]() | ![]() | 1722536112 | CRIMP TERM ULTRA-FIT 20-22 30MI | 92293 - Immediate | $0.35 | View Details |
![]() | ![]() | 2169465013 | ULTRA-FIT PLUG TML TIN 16-18AWG | 0 - Immediate | $0.46 | View Details |
![]() | ![]() | 2169465113 | ULTRA-FIT PLUG TML TIN 20-22AWG | 20066 - Immediate | $0.46 | View Details |
![]() | ![]() | 2169465011 | ULTRA-FIT PLUG TML GOLD 15U 16-1 | 0 - Immediate | $0.48 | View Details |
![]() | ![]() | 2169465111 | ULTRA-FIT PLUG TML GOLD 15U 20-2 | 24844 - Immediate | $0.73 | View Details |
![]() | ![]() | 2169465112 | ULTRA-FIT PLUG TML GOLD 30U 20-2 | 36361 - Immediate | $0.92 | View Details |
![]() | ![]() | 2169465012 | ULTRA-FIT PLUG TML GOLD 30U 16-1 | 26215 - Immediate | $0.75 | View Details |
TPA Retainers
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722644002 | ULTRA-FIT TANGLESS TERMINAL POSI | 10306 - Immediate | $0.12 | View Details |
![]() | ![]() | 1722644003 | ULTRA-FIT TANGLESS TERMINAL POSI | 5963 - Immediate | $0.12 | View Details |
![]() | ![]() | 1722643002 | ULTRA-FIT TANGLESS TERMINAL POSI | 13566 - Immediate | $0.13 | View Details |
![]() | ![]() | 1722644004 | ULTRA-FIT TANGLESS TERMINAL POSI | 8819 - Immediate 32500 - Factory Stock | $0.12 | View Details |
![]() | ![]() | 1722643004 | ULTRA-FIT TANGLESS TERMINAL POSI | 18 - Immediate | $0.13 | View Details |
![]() | ![]() | 1722643003 | ULTRA-FIT TANGLESS TERMINAL POSI | 8785 - Immediate | $0.12 | View Details |
![]() | ![]() | 1722643005 | ULTRA-FIT TANGLESS TERMINAL POSI | 3878 - Immediate | $0.14 | View Details |
![]() | ![]() | 1722644008 | ULTRA-FIT TANGLESS TERMINAL POSI | 4805 - Immediate 7000 - Factory Stock | $0.14 | View Details |
![]() | ![]() | 1722643008 | ULTRA-FIT TANGLESS TERMINAL POSI | 3069 - Immediate | $0.13 | View Details |
![]() | ![]() | 1722644005 | ULTRA-FIT TANGLESS TERMINAL POSI | 5339 - Immediate | $0.11 | View Details |
![]() | ![]() | 1722644006 | ULTRA-FIT TANGLESS TERMINAL POSI | 359 - Immediate | $0.14 | View Details |
![]() | ![]() | 1722644007 | ULTRA-FIT TANGLESS TERMINAL POSI | 5703 - Immediate | $0.13 | View Details |
![]() | ![]() | 1722643007 | ULTRA-FIT TANGLESS TERMINAL POSI | 3615 - Immediate | $0.15 | View Details |
![]() | ![]() | 1722643006 | ULTRA-FIT TANGLESS TERMINAL POSI | 5149 - Immediate | $0.15 | View Details |
Crimpers and Applicators
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 2002184600 | HAND TOOL FOR ULTRA-FIT | 4 - Immediate 15 - Factory Stock | $432.65 | View Details |
![]() | ![]() | 0639043300 | FINEADJUST APPLICATOR | 1 - Immediate | $3,577.88 | View Details |
![]() | ![]() | 0638275300 | TOOL HAND CRIMPER 172253 SIDE | 6 - Immediate 50 - Factory Stock | $322.94 | View Details |
![]() | ![]() | 2238630900 | HAND TOOL ULTRA-FIT 20-22AWG | 23 - Immediate | $377.77 | View Details |
![]() | ![]() | 2037024300 | FINEADJUST APPLICATOR | 0 - Immediate | $4,944.14 | View Details |
![]() | ![]() | 2037024400 | FINEADJUST APPLICATOR | 0 - Immediate | $5,064.98 | View Details |
Jumper Wire/Pre-Crimps
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 2174712124 | ULTRA-FIT F-S 300MM 16 AWG LEADS | 300 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174701121 | ULTRA-FIT F-F 75MM 16 AWG LEADS | 915 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174712111 | ULTRA-FIT F-S 75MM 18 AWG LEADS | 985 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174711104 | ULTRA-FIT F-S 300MM 20 AWG LEADS | 974 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174712203 | ULTRA-FIT F-S 225MM 20 AWG LEADS | 990 - Immediate | $0.90 | View Details |
![]() | ![]() | 2174711205 | ULTRA-FIT F-S 450MM 20 AWG LEADS | 906 - Immediate | $0.90 | View Details |
![]() | ![]() | 2174711113 | ULTRA-FIT F-S 225MM 18 AWG LEADS | 950 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174712204 | ULTRA-FIT F-S 300MM 20 AWG LEADS | 980 - Immediate | $0.90 | View Details |
![]() | ![]() | 2174702224 | ULTRA-FIT F-F 300MM 16 AWG LEADS | 784 - Immediate | $0.90 | View Details |
![]() | ![]() | 2174711125 | ULTRA-FIT F-S 450MM 16 AWG LEADS | 976 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174712105 | ULTRA-FIT F-S 450MM 20 AWG LEADS | 895 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174712223 | ULTRA-FIT F-S 225MM 16 AWG LEADS | 1000 - Immediate | $0.90 | View Details |
![]() | ![]() | 2174712205 | ULTRA-FIT F-S 450MM 20 AWG LEADS | 984 - Immediate | $0.78 | View Details |
![]() | ![]() | 2174711224 | ULTRA-FIT F-S 300MM 16 AWG LEADS | 730 - Immediate | $0.90 | View Details |