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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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Part #

Headers & Wire Housings ULTRA-FIT HSG Dual 8Ckt Black

172258-3108
Molex
1: $0.59
6,793In Stock
7,975Expected 01/10/2026

Mfr. Part No.
172258-3108

Mouser Part No
538-172258-3108

Molex

Headers & Wire Housings ULTRA-FIT HSG Dual 8Ckt Black

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Datasheet

6,793In Stock

7,975Expected 01/10/2026

$0.59

$0.492

$0.424

$0.41

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT TPA 2Ckt White

172264-4002
Molex
1: $0.16
29,166In Stock

Mfr. Part No.
172264-4002

Mouser Part No
538-172264-4002

Molex

Headers & Wire Housings ULTRA-FIT TPA 2Ckt White

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Datasheet

29,166In Stock

$0.16

$0.139

$0.125

$0.114

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT SGL K BLK TIN

172286-1104
Molex
1: $0.97
9,572In Stock

Mfr. Part No.
172286-1104

Mouser Part No
538-172286-1104

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT SGL K BLK TIN

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Datasheet

9,572In Stock

$0.97

$0.813

$0.80

$0.701

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K BLK15AU

172286-1202
Molex
1: $1.56
2,673In Stock

Mfr. Part No.
172286-1202

Mouser Part No
538-172286-1202

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K BLK15AU

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Datasheet

2,673In Stock

$1.56

$1.40

$1.38

$1.25

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK30AU

172287-1302
Molex
1: $2.53
3,035In Stock
10,500On Order

Mfr. Part No.
172287-1302

Mouser Part No
538-172287-1302

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK30AU

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Datasheet

3,035In Stock

10,500On Order

$2.53

$2.16

$1.83

$1.63

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F NAT30AU

172287-2302
Molex
1: $2.47
1,592In Stock

Mfr. Part No.
172287-2302

Mouser Part No
538-172287-2302

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F NAT30AU

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Datasheet

1,592In Stock

$2.47

$2.10

$1.99

$1.79

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R K BLK TIN

172298-1108
Molex
1: $1.39
2,472In Stock
9,000On Order

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

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Datasheet

2,472In Stock

9,000On Order

$1.39

$1.18

$1.00

$0.857

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK30AU

172298-1304
Molex
1: $2.34
1,224In Stock

Mfr. Part No.
172298-1304

Mouser Part No
538-172298-1304

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 4CKT HDR VT D/R K BLK30AU

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Datasheet

1,224In Stock

$2.34

$2.00

$1.70

$1.52

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R F BLK TIN

172299-1108
Molex
1: $1.89
2,130In Stock

Mfr. Part No.
172299-1108

Mouser Part No
538-172299-1108

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT D/R F BLK TIN

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Datasheet

2,130In Stock

$1.89

$1.57

$1.46

$1.37

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 10CKT HDR VT D/R F BLK TIN

172299-1110
Molex
1: $2.40
1,489In Stock
2,025Expected 19/10/2026

Mfr. Part No.
172299-1110

Mouser Part No
538-172299-1110

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 10CKT HDR VT D/R F BLK TIN

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Datasheet

1,489In Stock

2,025Expected 19/10/2026

$2.40

$2.34

$1.78

$1.68

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR VT D/R F NAT15AU

172299-2206
Molex
1: $3.28
1,977In Stock

Mfr. Part No.
172299-2206

Mouser Part No
538-172299-2206

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR VT D/R F NAT15AU

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Datasheet

1,977In Stock

$3.28

$2.79

$2.37

$2.02

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Min.: 1
Mult.: 1

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

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Datasheet

2,331In Stock

$2.43

$2.12

$2.03

$1.89

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR R/A D/R NAT 15AU

172316-2206
Molex
1: $3.08
1,015In Stock

Mfr. Part No.
172316-2206

Mouser Part No
538-172316-2206

Molex

Headers & Wire Housings ULTRAFIT 3.5MM 6CKT HDR R/A D/R NAT 15AU

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Datasheet

1,015In Stock

$3.08

$2.62

$2.23

$2.18

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG 02X04P

216945-3008
Molex
1: $1.55
908In Stock

Mfr. Part No.
216945-3008

Mouser Part No
538-216945-3008

Molex

Headers & Wire Housings ULTRA-FIT HSG 02X04P

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Datasheet

908In Stock

$1.55

$1.31

$1.27

$1.15

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT CRIMP TERM 20-22 30MI Form,

172253-6112
Molex
7,000: $0.261
7,000In Stock
35,000Expected 28/08/2026

Mfr. Part No.
172253-6112

Mouser Part No
538-172253-6112

Molex

Headers & Wire Housings ULTRA-FIT CRIMP TERM 20-22 30MI Form,

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Datasheet

7,000In Stock

35,000Expected 28/08/2026

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
16,144In Stock
82,500On Order

Mfr. Part No.
172256-3102

Mouser Part No
538-172256-3102

Molex

Headers & Wire Housings ULTRA-FIT HSG SR 2Ckt Black

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Datasheet

16,144In Stock

82,500On Order

$0.42

$0.359

$0.321

$0.305

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG SR 4Ckt Black

172256-3104
Molex
1: $0.43
27,876In Stock
8,000Expected 25/09/2026

Mfr. Part No.
172256-3104

Mouser Part No
538-172256-3104

Molex

Headers & Wire Housings ULTRA-FIT HSG SR 4Ckt Black

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Datasheet

27,876In Stock

8,000Expected 25/09/2026

$0.43

$0.368

$0.329

$0.313

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG SR 5Ckt Black

172256-3105
Molex
1: $0.69
7,456In Stock

Mfr. Part No.
172256-3105

Mouser Part No
538-172256-3105

Molex

Headers & Wire Housings ULTRA-FIT HSG SR 5Ckt Black

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Datasheet

7,456In Stock

$0.69

$0.551

$0.513

$0.485

View

Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt Black

172258-3110
Molex
1: $0.69
7,374In Stock

Mfr. Part No.
172258-3110

Mouser Part No
538-172258-3110

Molex

Headers & Wire Housings ULTRA-FIT HSG Dual 10Ckt Black

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Datasheet

7,374In Stock

$0.69

$0.524

$0.487

$0.461

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG Dual 12Ckt Black

172258-3112
Molex
1: $0.88
2,528In Stock

Mfr. Part No.
172258-3112

Mouser Part No
538-172258-3112

Molex

Headers & Wire Housings ULTRA-FIT HSG Dual 12Ckt Black

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Datasheet

2,528In Stock

$0.88

$0.752

$0.686

$0.654

View

Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG Dual 8Ckt White

172258-4108
Molex
1: $0.71
4,508In Stock

Mfr. Part No.
172258-4108

Mouser Part No
538-172258-4108

Molex

Headers & Wire Housings ULTRA-FIT HSG Dual 8Ckt White

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Datasheet

4,508In Stock

$0.71

$0.601

$0.536

$0.511

View

Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K BLK TIN

172286-1102
Molex
1: $0.84
26,485In 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

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Datasheet

26,485In Stock

$0.84

$0.723

$0.708

$0.596

View

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

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Datasheet

2,393In Stock

$1.98

$1.68

$1.43

$1.25

View

Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL K NAT TIN

172286-2102
Molex
1: $0.94
5,887In 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

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Datasheet

5,887In Stock

$0.94

$0.755

$0.739

$0.584

View

Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 2CKT HDR VT SGL F BLK15AU

172287-1202
Molex
1: $2.12
2,368In 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

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Datasheet

2,368In Stock

$2.12

$1.82

$1.80

$1.59

View

Min.: 1
Mult.: 1

Ultra-Fit™ Power Connectors

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