Ultra-Fit Power Connectors

Molex Ultra-Fit Power Connectors eliminate same-circuit-size cross-mating and reduce terminal back-out occurrences. The space-saving, low mating force, high-density Ultra-Fit power connector has a 12A or 14A current rating of 3.5mm pitch and is available with color-coding and mechanical keying options. Molex Ultra-Fit Power Connectors offer the premium housing features of proven Mini-Fit and Micro-Fit 3.0 connector systems. Color-coded housings mitigate the risk of mismating. An optional TPA retainer significantly reduces terminal back out. The streamlined design is 17% smaller than similar power connectors. An ultra-low mating force reduces operator fatigue when mating numerous high-circuit connectors.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Number of Positions
Pitch
Number of Rows
Row Spacing
Mounting Style
Termination Style
Mounting Angle
Contact Gender
Contact Plating
Termination Post Length
Series
Tradename
Application
Wire Gauge
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Molex Headers & Wire Housings ULTRA-FIT HSG SR 4Ckt Black
Datasheet
26,065In Stock
8,000Expected 9/25/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 4 Position 3.5 mm (0.138 in) 1 Row Cable Mount / Free Hanging Straight 172256 Ultra-Fit - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT HSG SR 5Ckt Black
Datasheet
7,346In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 5 Position 3.5 mm (0.138 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 172256 Ultra-Fit - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt Black
Datasheet
7,309In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 10 Position 3.5 mm (0.138 in) 2 Row 3.5 mm (0.138 in) Cable Mount / Free Hanging Straight 172258 Ultra-Fit - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT HSG Dual 12Ckt Black
Datasheet
2,518In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 12 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Cable Mount / Free Hanging Crimp Straight Socket (Female) 172258 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT HSG Dual 4Ckt White
Datasheet
10,831In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 4 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Cable Mount / Free Hanging Crimp Straight Socket (Female) 172258 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT HSG Dual 8Ckt White
Datasheet
3,906In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 8 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Cable Mount / Free Hanging Crimp Straight Socket (Female) 172258 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt White
Datasheet
3,757In Stock
3,000Expected 11/6/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 10 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Cable Mount / Free Hanging Crimp Straight Socket (Female) 172258 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Bulk
Molex Headers & Wire Housings ULTRA-FIT TPA 5Ckt Black
Datasheet
21,080In Stock
16,500Expected 11/6/2026
Min.: 1
Mult.: 1

Accessories 5 Position 1 Row 172264 Ultra-Fit - 40 C + 120 C Bulk
Molex Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K BLK TIN
Datasheet
25,378In Stock
Min.: 1
Mult.: 1

Headers Power 2 Position 3.5 mm (0.138 in) 1 Row Kinked Pin Solder Pin Straight Pin (Male) Tin 3.2 mm (0.126 in) 172286 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT SGL K BLK TIN
Datasheet
2,393In Stock
Min.: 1
Mult.: 1

Headers Power 8 Position 3.5 mm (0.138 in) 1 Row Kinked Pin Solder Pin Straight Pin (Male) Tin 3.2 mm (0.126 in) 172286 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR VT SGL K BLK15AU
Datasheet
1,820In Stock
Min.: 1
Mult.: 1

Headers Power 6 Position 3.5 mm (0.138 in) 1 Row Kinked Pin Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172286 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K NAT TIN
Datasheet
5,637In Stock
Min.: 1
Mult.: 1

Headers Power 2 Position 3.5 mm (0.138 in) 1 Row Kinked Pin Solder Pin Straight Pin (Male) Tin 172286 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C
Molex Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK15AU
Datasheet
2,363In Stock
Min.: 1
Mult.: 1

Headers Power 2 Position 3.5 mm (0.138 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172287 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT SGL F BLK15AU
Datasheet
1,749In Stock
Min.: 1
Mult.: 1

Headers Power 4 Position 3.5 mm (0.138 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172287 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R K BLK TIN
Datasheet
3,121In Stock
9,000On Order
Min.: 1
Mult.: 1

Headers Power 8 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Kinked Pin Solder Pin Straight Pin (Male) Tin 3.2 mm (0.126 in) 172298 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 14CKT HDR VT D/R K BLK TIN
Datasheet
1,166In Stock
1,620Expected 9/17/2026
Min.: 1
Mult.: 1

Headers Power 14 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Kinked Pin Solder Pin Straight Pin (Male) Tin 3.2 mm (0.126 in) 172298 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK15AU
Datasheet
7,092In Stock
4,725Expected 11/18/2026
Min.: 1
Mult.: 1

Headers Power 4 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Kinked Pin Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172298 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 16CKT HDR VT D/R K BLK15AU
Datasheet
805In Stock
Min.: 1
Mult.: 1

Headers Power 16 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Kinked Pin Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172298 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 16CKT HDR VT D/R K NAT TIN
Datasheet
1,578In Stock
Min.: 1
Mult.: 1

Headers Power 16 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Kinked Pin Solder Pin Straight Pin (Male) Tin 172298 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C
Molex Headers & Wire Housings ULTRAFIT 3.5MM 16CKT HDR VT D/R F BLK TIN
Datasheet
600In Stock
Min.: 1
Mult.: 1

Headers Power 16 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Through Hole Solder Pin Straight Pin (Male) Tin 3.2 mm (0.126 in) 172299 Ultra-Fit Wire-to-Board, Power - 40 C + 105 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 10CKT HDR VT D/R F BLK30AU
Datasheet
536In Stock
1,350Expected 9/22/2026
Min.: 1
Mult.: 1

Headers Power 10 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Through Hole Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172299 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C Tray
Molex Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R F NAT30AU
Datasheet
438In Stock
Min.: 1
Mult.: 1

Headers Power 8 Position 3.5 mm (0.138 in) 2 Row 4.6 mm (0.181 in) Board Lock Solder Pin Straight Pin (Male) Gold 3.2 mm (0.126 in) 172299 Ultra-Fit Wire-to-Board, Power - 40 C + 120 C
Molex Headers & Wire Housings ULTRAFIT HDR RT 1R BLK NAIL 02 CKT TIN
Datasheet
14,379In Stock
21,780Expected 12/11/2026
Min.: 1
Mult.: 1

Headers Receptacle Housing 2 Position 3.5 mm (0.138 in) 1 Row Panel Mount Solder Pin Right Angle Tin 3.2 mm (0.126 in) 172310 Ultra-Fit - 40 C + 105 C
Molex Headers & Wire Housings 3.50MM HDR 03P RA SN BLK
Datasheet
9,360In Stock
Min.: 1
Mult.: 1

Headers Receptacle Housing 1 Row Panel Mount 172310 Ultra-Fit Tray
Molex Headers & Wire Housings Ultra-Fit Right-Angle Header with Solder Nail, 3.50mm Pitch, Single Row, 8 Circuits, 0.38m Gold (Au) Plating, Black, Glow-Wire Capable
Datasheet
1,560In Stock
Min.: 1
Mult.: 1

Headers Receptacle Housing 8 Position 3.5 mm (0.138 in) 1 Row Panel Mount Solder Right Angle Tin 172310 Ultra-Fit - 40 C + 105 C Tray