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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 4Ckt Black

172258-3104
Molex
1: $0.544
25,030In Stock

Mfr. Part No.
172258-3104

Mouser Part No
538-172258-3104

Molex

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

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Datasheet

25,030In Stock

$0.544

$0.466

$0.416

$0.374

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Min.: 1
Mult.: 1

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

172258-3108
Molex
1: $0.802
6,793In Stock
7,975Expected 1/10/2026

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 1/10/2026

$0.802

$0.669

$0.577

$0.558

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT TPA 2Ckt White

172264-4002
Molex
1: $0.218
29,167In 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

29,167In Stock

$0.218

$0.189

$0.17

$0.155

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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: $1.32
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

$1.32

$1.11

$1.09

$0.953

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Min.: 1
Mult.: 1

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

172286-1202
Molex
1: $2.12
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

$2.12

$1.90

$1.88

$1.70

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Min.: 1
Mult.: 1

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

172287-1302
Molex
1: $3.44
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

$3.44

$2.94

$2.49

$2.22

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Min.: 1
Mult.: 1

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

172287-2302
Molex
1: $3.36
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

$3.36

$2.86

$2.71

$2.43

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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: $1.89
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

$1.89

$1.60

$1.36

$1.17

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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: $3.18
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

$3.18

$2.72

$2.31

$2.07

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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: $2.57
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

$2.57

$2.14

$1.99

$1.86

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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: $3.26
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

$3.26

$3.18

$2.42

$2.28

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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: $4.46
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

$4.46

$3.79

$3.22

$2.75

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT HDR RT 1R BLK NAIL 06 CKT 15AU

172310-3206
Molex
1: $3.30
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

$3.30

$2.88

$2.76

$2.57

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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: $4.19
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

$4.19

$3.56

$3.03

$2.96

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Min.: 1
Mult.: 1

Headers & Wire Housings ULTRA-FIT HSG 02X04P

216945-3008
Molex
1: $2.11
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

$2.11

$1.78

$1.73

$1.56

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Min.: 1
Mult.: 1

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

172253-6112
Molex
7,000: $0.355
7,000In Stock
35,000Expected 28/8/2026

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 28/8/2026

Reel

$0.355

$0.337

$0.321

Min.: 7,000
Mult.: 7,000

: 7,000

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

172256-3102
Molex
1: $0.571
16,209In 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

16,209In Stock

82,500On Order

$0.571

$0.488

$0.437

$0.415

View

Min.: 1
Mult.: 1

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

172256-3104
Molex
1: $0.585
27,876In Stock
8,000Expected 25/9/2026

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 25/9/2026

$0.585

$0.50

$0.447

$0.426

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Min.: 1
Mult.: 1

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

172256-3105
Molex
1: $0.938
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

$0.938

$0.749

$0.698

$0.66

View

Min.: 1
Mult.: 1

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

172258-3110
Molex
1: $0.938
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

$0.938

$0.713

$0.662

$0.627

View

Min.: 1
Mult.: 1

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

172258-3112
Molex
1: $1.20
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

$1.20

$1.02

$0.933

$0.889

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Min.: 1
Mult.: 1

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

172258-4108
Molex
1: $0.966
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

$0.966

$0.817

$0.729

$0.695

View

Min.: 1
Mult.: 1

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

172286-1102
Molex
1: $1.14
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

$1.14

$0.983

$0.963

$0.811

View

Min.: 1
Mult.: 1

Headers & Wire Housings ULTRAFIT 3.5MM 8CKT HDR VT SGL K BLK TIN

172286-1108
Molex
1: $2.69
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

$2.69

$2.28

$1.94

$1.70

View

Min.: 1
Mult.: 1

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

172286-2102
Molex
1: $1.28
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

$1.28

$1.03

$1.01

$0.794

View

Min.: 1
Mult.: 1

Ultra-Fit™ Power Connectors

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