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 | 0 - Immediate | $3.21 | View Details |
![]() | ![]() | 1722563104 | CONN RCPT HSG 4POS 3.50MM | 9816 - Immediate | $3.21 | View Details |
![]() | ![]() | 1722564102 | CONN RCPT HSG 2POS 3.50MM | 2286 - Immediate | $2.80 | View Details |
![]() | ![]() | 1722563103 | CONN RCPT HSG 3POS 3.50MM | 11312 - Immediate 38500 - Factory Stock | $2.80 | View Details |
![]() | ![]() | 1722584104 | CONN RCPT HSG 4POS 3.50MM | 402 - Immediate | $2.63 | View Details |
![]() | ![]() | 1722583104 | CONN RCPT HSG 4POS 3.50MM | 14395 - Immediate | $3.05 | View Details |
![]() | ![]() | 1722564104 | CONN RCPT HSG 4POS 3.50MM | 4419 - Immediate | $3.21 | View Details |
![]() | ![]() | 1722583106 | CONN RCPT HSG 6POS 3.50MM | 80 - Immediate | $3.46 | View Details |
![]() | ![]() | 1722564103 | CONN RCPT HSG 3POS 3.50MM | 4679 - Immediate | $2.47 | View Details |
![]() | ![]() | 1722563106 | CONN RCPT HSG 6POS 3.50MM | 4478 - Immediate | $3.70 | View Details |
![]() | ![]() | 1722584106 | CONN RCPT HSG 6POS 3.50MM | 6217 - Immediate | $3.62 | View Details |
![]() | ![]() | 1722583108 | CONN RCPT HSG 8POS 3.50MM | 23789 - Immediate | $3.62 | View Details |
![]() | ![]() | 1722563108 | CONN RCPT HSG 8POS 3.50MM | 6631 - Immediate | $5.02 | View Details |
![]() | ![]() | 1722584108 | CONN RCPT HSG 8POS 3.50MM | 3807 - Immediate | $5.10 | View Details |
PCB Headers
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722861102 | CONN HEADER VERT 2POS 3.5MM | 3168 - Immediate | $6.26 | View Details |
![]() | ![]() | 1722981104 | CONN HEADER VERT 4POS 3.5MM | 5029 - Immediate | $7.24 | View Details |
![]() | ![]() | 1722862102 | CONN HEADER VERT 2POS 3.5MM | 18672 - Immediate | $4.94 | View Details |
![]() | ![]() | 1722981106 | CONN HEADER VERT 6POS 3.5MM | 2930 - Immediate | $9.06 | View Details |
![]() | ![]() | 1722861302 | CONN HEADER VERT 2POS 3.5MM | 1020 - Immediate | $17.62 | View Details |
![]() | ![]() | 1723103306 | ULTRAFIT HDR RT 1R BLK NAIL 06 C | 0 - Immediate | $31.36 | View Details |
![]() | ![]() | 1722991310 | CONN HEADER VERT 10POS 3.5MM | 4 - Immediate | $44.70 | View Details |
![]() | ![]() | 1722862103 | CONN HEADER VERT 3POS 3.5MM | 0 - Immediate | $7.57 | View Details |
![]() | ![]() | 1722861106 | CONN HEADER VERT 6POS 3.5MM | 1451 - Immediate | $8.89 | View Details |
![]() | ![]() | 1722861202 | CONN HEADER VERT 2POS 3.5MM | 2675 - Immediate | $10.70 | View Details |
![]() | ![]() | 1722861203 | CONN HEADER VERT 3POS 3.5MM | 1085 - Immediate | $12.35 | View Details |
![]() | ![]() | 1722992108 | CONN HEADER VERT 8POS 3.5MM | 1620 - Immediate | $15.48 | View Details |
![]() | ![]() | 1722991304 | CONN HEADER VERT 4POS 3.5MM | 728 - Immediate | $17.37 | View Details |
![]() | ![]() | 1722982112 | CONN HEADER VERT 12POS 3.5MM | 1100 - Immediate | $14.74 | View Details |
Crimp Terminals
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722537023 | ULTRA-FIT TANGLESS CRIMP TERMINA | 43146 - Immediate 70000 - Factory Stock | $2.06 | View Details |
![]() | ![]() | 1722537123 | ULTRA-FIT TANGLESS CRIMP TERMINA | 21456 - Immediate 35000 - Factory Stock | $2.06 | View Details |
![]() | ![]() | 1722536111 | CONN SOCKET 20-22AWG CRIMP GOLD | 29687 - Immediate | $3.05 | View Details |
![]() | ![]() | 1722536012 | CRIMP TERM ULTRA-FIT 16-18 30MI | 35416 - Immediate | $3.38 | View Details |
![]() | ![]() | 1722536011 | CONN SOCKET 16-18AWG CRIMP GOLD | 30673 - Immediate 70000 - Factory Stock | $3.38 | View Details |
![]() | ![]() | 1722536112 | CRIMP TERM ULTRA-FIT 20-22 30MI | 25473 - Immediate | $3.38 | View Details |
![]() | ![]() | 2169465013 | ULTRA-FIT PLUG TML TIN 16-18AWG | 0 - Immediate 21000 - Marketplace | $4.45 | View Details |
![]() | ![]() | 2169465113 | ULTRA-FIT PLUG TML TIN 20-22AWG | 20336 - Immediate | $4.45 | View Details |
![]() | ![]() | 2169465011 | ULTRA-FIT PLUG TML GOLD 15U 16-1 | 0 - Immediate | $4.61 | View Details |
![]() | ![]() | 2169465111 | ULTRA-FIT PLUG TML GOLD 15U 20-2 | 24869 - Immediate | $7.00 | View Details |
![]() | ![]() | 2169465112 | ULTRA-FIT PLUG TML GOLD 30U 20-2 | 9221 - Immediate | $8.81 | View Details |
![]() | ![]() | 2169465012 | ULTRA-FIT PLUG TML GOLD 30U 16-1 | 28025 - Immediate | $7.24 | View Details |
TPA Retainers
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 1722644002 | ULTRA-FIT TANGLESS TERMINAL POSI | 0 - Immediate | $1.15 | View Details |
![]() | ![]() | 1722644003 | ULTRA-FIT TANGLESS TERMINAL POSI | 49 - Immediate | $1.15 | View Details |
![]() | ![]() | 1722643002 | ULTRA-FIT TANGLESS TERMINAL POSI | 15015 - Immediate | $1.23 | View Details |
![]() | ![]() | 1722644004 | ULTRA-FIT TANGLESS TERMINAL POSI | 10249 - Immediate | $1.23 | View Details |
![]() | ![]() | 1722643004 | ULTRA-FIT TANGLESS TERMINAL POSI | 584 - Immediate 6500 - Factory Stock | $1.23 | View Details |
![]() | ![]() | 1722643003 | ULTRA-FIT TANGLESS TERMINAL POSI | 855 - Immediate | $1.23 | View Details |
![]() | ![]() | 1722643005 | ULTRA-FIT TANGLESS TERMINAL POSI | 0 - Immediate | $1.32 | View Details |
![]() | ![]() | 1722644008 | ULTRA-FIT TANGLESS TERMINAL POSI | 1325 - Immediate 7000 - Factory Stock | $1.32 | View Details |
![]() | ![]() | 1722643008 | ULTRA-FIT TANGLESS TERMINAL POSI | 3135 - Immediate | $1.40 | View Details |
![]() | ![]() | 1722644005 | ULTRA-FIT TANGLESS TERMINAL POSI | 0 - Immediate | $0.99 | View Details |
![]() | ![]() | 1722644006 | ULTRA-FIT TANGLESS TERMINAL POSI | 20620 - Immediate 4500 - Factory Stock | $1.32 | View Details |
![]() | ![]() | 1722644007 | ULTRA-FIT TANGLESS TERMINAL POSI | 5713 - Immediate | $1.23 | View Details |
![]() | ![]() | 1722643007 | ULTRA-FIT TANGLESS TERMINAL POSI | 24 - Immediate | $1.40 | View Details |
![]() | ![]() | 1722643006 | ULTRA-FIT TANGLESS TERMINAL POSI | 1401 - Immediate | $1.48 | View Details |
Crimpers and Applicators
Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
---|---|---|---|---|---|---|
![]() | ![]() | 2002184600 | HAND TOOL FOR ULTRA-FIT | 6 - Immediate 25 - Factory Stock | $4,151.48 | View Details |
![]() | ![]() | 0639043300 | FINEADJUST APPLICATOR | 1 - Immediate | $34,335.67 | View Details |
![]() | ![]() | 0638275300 | TOOL HAND CRIMPER 172253 SIDE | 7 - Immediate 50 - Factory Stock | $3,646.04 | View Details |
![]() | ![]() | 2238630900 | HAND TOOL ULTRA-FIT 20-22AWG | 8 - Immediate 15 - Factory Stock | $3,625.29 | View Details |
![]() | ![]() | 2037024300 | FINEADJUST APPLICATOR | 0 - Immediate | $47,447.11 | View Details |
![]() | ![]() | 2037024400 | FINEADJUST APPLICATOR | 0 - Immediate | $48,606.83 | 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 | $7.49 | View Details |
![]() | ![]() | 2174701121 | ULTRA-FIT F-F 75MM 16 AWG LEADS | 915 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174712111 | ULTRA-FIT F-S 75MM 18 AWG LEADS | 985 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174711104 | ULTRA-FIT F-S 300MM 20 AWG LEADS | 974 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174712203 | ULTRA-FIT F-S 225MM 20 AWG LEADS | 990 - Immediate | $8.64 | View Details |
![]() | ![]() | 2174711205 | ULTRA-FIT F-S 450MM 20 AWG LEADS | 906 - Immediate | $8.64 | View Details |
![]() | ![]() | 2174711113 | ULTRA-FIT F-S 225MM 18 AWG LEADS | 950 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174712204 | ULTRA-FIT F-S 300MM 20 AWG LEADS | 980 - Immediate | $8.64 | View Details |
![]() | ![]() | 2174702224 | ULTRA-FIT F-F 300MM 16 AWG LEADS | 784 - Immediate | $8.64 | View Details |
![]() | ![]() | 2174711125 | ULTRA-FIT F-S 450MM 16 AWG LEADS | 976 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174712105 | ULTRA-FIT F-S 450MM 20 AWG LEADS | 895 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174712223 | ULTRA-FIT F-S 225MM 16 AWG LEADS | 1000 - Immediate | $8.64 | View Details |
![]() | ![]() | 2174712205 | ULTRA-FIT F-S 450MM 20 AWG LEADS | 984 - Immediate | $7.49 | View Details |
![]() | ![]() | 2174711224 | ULTRA-FIT F-S 300MM 16 AWG LEADS | 760 - Immediate | $8.64 | View Details |