Ultra-Fit™ Power Connectors

Molex Ultra-Fit™ Power Connectors eliminate same-circuit-size cross mating and reduce terminal backout occurrences. The space saving, low mating force, high density Ultra-Fit power connector has a 12A or 14A current rating, 3.5mm pitch, and is available with color coding and mechanical keying options. Molex Ultra-Fit Power Connectors offering 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 backout. 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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Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT SGL F BLK15AU
Datasheet
1,955In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK30AU
Datasheet
3,236In Stock
386Expected 4/6/2026
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK TIN
Datasheet
17,159In Stock
11,025Expected 6/5/2026
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R K BLK TIN
Datasheet
2,623In Stock
5,400Expected 27/4/2026
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK15AU
Datasheet
5,083In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR VT D/R K BLK15AU
Datasheet
1,917In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 10CKT HDR VT D/R K BLK15AU
Datasheet
1,530In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK30AU
Datasheet
1,496In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 16CKT HDR VT D/R K NAT15AU
Datasheet
332In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 10CKT HDR VT D/R F BLK TIN
Datasheet
1,346In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R F BLK15AU
Datasheet
2,349In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 10CKT HDR VT D/R F BLK30AU
Datasheet
1,665In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R F NAT30AU
Datasheet
510In Stock
Min.: 1
Mult.: 1



Molex Headers & Wire Housings Ultra-Fit Right-Angle Header with Solder Nail, 3.50mm Pitch, Single Row, 5 Circuits, Tin (Sn) Plating, Black, Glow-Wire Capable
Datasheet
2,199In Stock
Min.: 1
Mult.: 1



Molex Headers & Wire Housings Ultra-Fit RA Hdr w/ Sldr Nail 3.50mm Ptch Sngl Rw 7 Cks Tin Plting, Blk GW Capbl
Datasheet
2,010In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRA-FIT HDR 8CKT 1R BLK
Datasheet
2,639In Stock
Min.: 1
Mult.: 1

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
2,296In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRA-FIT HDR RT 1R BLK NAIL04
Datasheet
1,698In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT HDR RT 1R NAT NAIL 02 CKT TIN
Datasheet
3,813In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR R/A D/R NAT 15AU
Datasheet
1,089In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT HDR RT 2R BLK 04 CKT TIN
Datasheet
6,276In Stock
Min.: 1
Mult.: 1



Molex Headers & Wire Housings ULTRAFIT HDR RT 2R BLK 04 CKT 15AU
Datasheet
2,405In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT HDR RT 2R BLK 06 CKT 15AU
Datasheet
2,262In Stock
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT HDR RT 2R BLK 08 CKT 15AU
Datasheet
1,134In Stock
2,880On Order
Min.: 1
Mult.: 1

Molex Headers & Wire Housings ULTRAFIT HDR RT 2R BLK 12 CKT 15AU
Datasheet
353In Stock
Min.: 1
Mult.: 1