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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Headers & Wire Housings ULTRAFIT HDR RT 1R BLK NAIL 06 CKT 15AU 172310-3206 Molex 1: $2.43 2,331In Stock	Mfr. Part No. 172310-3206 Mouser Part No 538-172310-3206	Molex	Headers & Wire Housings ULTRAFIT HDR RT 1R BLK NAIL 06 CKT 15AU Learn More about Molex ultra fit power connectors	Datasheet	2,331In Stock	$2.43 $2.12 $2.04 $1.90 View $1.71 $1.57 $1.40 $1.33 $1.28	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG 02X03P 216945-3006 Molex 1: $1.29 1,394In Stock 15,000Expected 2027/01/28	Mfr. Part No. 216945-3006 Mouser Part No 538-216945-3006	Molex	Headers & Wire Housings ULTRA-FIT HSG 02X03P Learn More about Molex ultra fit power connectors	Datasheet	1,394In Stock 15,000Expected 2027/01/28	$1.29 $1.09 $1.05 $0.977 View $0.906 $0.815 $0.747	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG 02X04P 216945-3008 Molex 1: $1.55 864In Stock	Mfr. Part No. 216945-3008 Mouser Part No 538-216945-3008	Molex	Headers & Wire Housings ULTRA-FIT HSG 02X04P Learn More about Molex ultra fit power connectors	Datasheet	864In Stock	$1.55 $1.42 $1.36 $1.27 View $1.15 $1.08 $1.02 $1.01	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT CRIMP TERM 20-22 30MI Form, 172253-6112 Molex 7,000: $0.261 42,000In Stock	Mfr. Part No. 172253-6112 Mouser Part No 538-172253-6112	Molex	Headers & Wire Housings ULTRA-FIT CRIMP TERM 20-22 30MI Form, Learn More about Molex ultra fit tangless power connectors	Datasheet	42,000In Stock	Reel $0.261 $0.248 $0.236	Min.: 7,000 Mult.: 7,000 : 7,000
Headers & Wire Housings ULTRA-FIT HSG SR 2Ckt Black 172256-3102 Molex 1: $0.42 11,301In Stock 82,462On Order	Mfr. Part No. 172256-3102 Mouser Part No 538-172256-3102	Molex	Headers & Wire Housings ULTRA-FIT HSG SR 2Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	11,301In Stock 82,462On Order On Order Ship Dates Mfr. No: 172256-3102 Stock: 11,301 Can Dispatch Immediately On Order: 37,500 Expected 2026/10/05 44,962 Expected 2026/10/06 Factory Lead Time: 16 Weeks	$0.42 $0.359 $0.321 $0.305 View $0.272 $0.257 $0.24 $0.233	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG SR 4Ckt Black 172256-3104 Molex 1: $0.43 33,882In Stock	Mfr. Part No. 172256-3104 Mouser Part No 538-172256-3104	Molex	Headers & Wire Housings ULTRA-FIT HSG SR 4Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	33,882In Stock	$0.43 $0.368 $0.329 $0.313 View $0.279 $0.266 $0.265	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG SR 5Ckt Black 172256-3105 Molex 1: $0.69 7,290In Stock	Mfr. Part No. 172256-3105 Mouser Part No 538-172256-3105	Molex	Headers & Wire Housings ULTRA-FIT HSG SR 5Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	7,290In Stock	$0.69 $0.565 $0.526 $0.498 View $0.447 $0.418 $0.398 $0.392 $0.356	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG SR 8Ckt Black 172256-3108 Molex 1: $0.661 8,036In Stock	Mfr. Part No. 172256-3108 Mouser Part No 538-172256-3108	Molex	Headers & Wire Housings ULTRA-FIT HSG SR 8Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	8,036In Stock	$0.661 $0.561 $0.501 $0.477 View $0.426 $0.386 $0.363 $0.344 $0.338	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG SR 2Ckt White 172256-4102 Molex 1: $0.40 12,097In Stock	Mfr. Part No. 172256-4102 Mouser Part No 538-172256-4102	Molex	Headers & Wire Housings ULTRA-FIT HSG SR 2Ckt White Learn More about Molex ultra fit tangless power connectors	Datasheet	12,097In Stock	$0.40 $0.34 $0.304 $0.29 View $0.258 $0.247 $0.231 $0.226 $0.215	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt Black 172258-3110 Molex 1: $0.69 7,170In Stock	Mfr. Part No. 172258-3110 Mouser Part No 538-172258-3110	Molex	Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	7,170In Stock	$0.69 $0.563 $0.522 $0.497 View $0.443 $0.411 $0.39 $0.385 $0.369	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG Dual 12Ckt Black 172258-3112 Molex 1: $0.85 2,094In Stock	Mfr. Part No. 172258-3112 Mouser Part No 538-172258-3112	Molex	Headers & Wire Housings ULTRA-FIT HSG Dual 12Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	2,094In Stock	$0.85 $0.739 $0.661 $0.625 View $0.599 $0.573 $0.531 $0.513	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG Dual 4Ckt White 172258-4104 Molex 1: $0.47 7,453In Stock 8,000Expected 2027/01/12	Mfr. Part No. 172258-4104 Mouser Part No 538-172258-4104	Molex	Headers & Wire Housings ULTRA-FIT HSG Dual 4Ckt White Learn More about Molex ultra fit tangless power connectors	Datasheet	7,453In Stock 8,000Expected 2027/01/12	$0.47 $0.355 $0.327 $0.308 View $0.292 $0.29 $0.272 $0.265 $0.247	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt White 172258-4110 Molex 1: $0.761 3,737In Stock 3,000Expected 2026/11/06	Mfr. Part No. 172258-4110 Mouser Part No 538-172258-4110	Molex	Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt White Learn More about Molex ultra fit tangless power connectors	Datasheet	3,737In Stock 3,000Expected 2026/11/06	$0.761 $0.648 $0.578 $0.551 View $0.492 $0.455 $0.416 $0.40 $0.39	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRA-FIT TPA 5Ckt Black 172264-3005 Molex 1: $0.18 19,255In Stock 16,500Expected 2026/11/06	Mfr. Part No. 172264-3005 Mouser Part No 538-172264-3005	Molex	Headers & Wire Housings ULTRA-FIT TPA 5Ckt Black Learn More about Molex ultra fit tangless power connectors	Datasheet	19,255In Stock 16,500Expected 2026/11/06	$0.18 $0.151 $0.135 $0.129 View $0.115 $0.109 $0.104 $0.097 $0.091	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K BLK TIN 172286-1102 Molex 1: $0.84 20,471In Stock	Mfr. Part No. 172286-1102 Mouser Part No 538-172286-1102	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	20,471In Stock	$0.84 $0.723 $0.708 $0.591 View $0.575 $0.52 $0.483 $0.471 $0.456	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 3CKT HDR VT SGL K BLK TIN 172286-1103 Molex 1: $0.78 28,383In Stock	Mfr. Part No. 172286-1103 Mouser Part No 538-172286-1103	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 3CKT HDR VT SGL K BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	28,383In Stock	$0.78 $0.725 $0.712 $0.626 View $0.621 $0.558 $0.511 $0.495 $0.472	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT SGL K BLK TIN 172286-1108 Molex 1: $1.98 2,393In Stock	Mfr. Part No. 172286-1108 Mouser Part No 538-172286-1108	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT SGL K BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	2,393In Stock	$1.98 $1.67 $1.43 $1.26 View $1.17 $1.16 $1.06	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR VT SGL K BLK15AU 172286-1206 Molex 1: $2.51 1,799In Stock	Mfr. Part No. 172286-1206 Mouser Part No 538-172286-1206	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR VT SGL K BLK15AU Learn More about Molex ultra fit power connectors	Datasheet	1,799In Stock	$2.51 $2.31 $2.01 $1.52 View $1.28 $1.26	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K NAT TIN 172286-2102 Molex 1: $0.94 5,637In Stock	Mfr. Part No. 172286-2102 Mouser Part No 538-172286-2102	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K NAT TIN Learn More about Molex ultra fit power connectors	Datasheet	5,637In Stock	$0.94 $0.755 $0.74 $0.668 View $0.635 $0.575 $0.53 $0.529 $0.501	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 3CKT HDR VT SGL F BLK TIN 172287-1103 Molex 1: $0.95 4,606In Stock	Mfr. Part No. 172287-1103 Mouser Part No 538-172287-1103	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 3CKT HDR VT SGL F BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	4,606In Stock	$0.95 $0.811 $0.69 $0.688 View $0.614 $0.568 $0.514	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK15AU 172287-1202 Molex 1: $2.12 2,253In Stock	Mfr. Part No. 172287-1202 Mouser Part No 538-172287-1202	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK15AU Learn More about Molex ultra fit power connectors	Datasheet	2,253In Stock	$2.12 $1.83 $1.80 $1.59 View $1.54 $1.52 $1.27 $1.13	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT SGL F BLK15AU 172287-1204 Molex 1: $2.02 1,732In Stock	Mfr. Part No. 172287-1204 Mouser Part No 538-172287-1204	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT SGL F BLK15AU Learn More about Molex ultra fit power connectors	Datasheet	1,732In Stock	$2.02 $1.70 $1.67 $1.52 View $1.48 $1.36 $1.33 $1.27 $1.15	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK TIN 172298-1104 Molex 1: $0.98 25,686In Stock 28,350On Order	Mfr. Part No. 172298-1104 Mouser Part No 538-172298-1104	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	25,686In Stock 28,350On Order On Order Ship Dates Mfr. No: 172298-1104 Stock: 25,686 Can Dispatch Immediately On Order: 25,200 Expected 2026/10/15 3,150 Expected 2026/10/22 Factory Lead Time: 19 Weeks	$0.98 $0.833 $0.832 $0.691 View $0.666 $0.62 $0.561 $0.55 $0.548	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R K BLK TIN 172298-1108 Molex 1: $1.40 10,220In Stock	Mfr. Part No. 172298-1108 Mouser Part No 538-172298-1108	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R K BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	10,220In Stock	$1.40 $1.17 $1.00 $0.857 View $0.816 $0.759	Min.: 1 Mult.: 1
Headers & Wire Housings ULTRAFIT 3.5MM 14CKT HDR VT D/R K BLK TIN 172298-1114 Molex 1: $2.43 1,166In Stock 1,620On Order	Mfr. Part No. 172298-1114 Mouser Part No 538-172298-1114	Molex	Headers & Wire Housings ULTRAFIT 3.5MM 14CKT HDR VT D/R K BLK TIN Learn More about Molex ultra fit power connectors	Datasheet	1,166In Stock 1,620On Order	$2.43 $2.20 $2.15 $1.98 View $1.87 $1.86 $1.64 $1.49 $1.43	Min.: 1 Mult.: 1

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