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Mini-Fit Jr. Connectors

Molex Mini-Fit Jr. Connectors are ideal for higher-current / higher-density applications that require design flexibility for wire-to-wire and wire-to-board configurations. Molex Mini-Fit Jr. connectors are made for power applications up to 9.0A per circuit. The connectors feature fully isolated terminals, positive housing locks, low-engagement forces, and polarized housings. They are UL recognized, CSA approved, and TUV licensed. All components are lead free and RoHS compliant. Molex Mini-Fit Jr. Connectors are available in a single row or dual row, 2 to 24 circuit options, and multiple plating and material selections.

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Part #

Headers & Wire Housings 4 CKT RCPT HOUSING

39-01-4041
Molex
1: $0.709
22,228In Stock

Mfr. Part No.
39-01-4041

Mouser Part No
538-39-01-4041

Molex

Headers & Wire Housings 4 CKT RCPT HOUSING

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Datasheet

22,228In Stock

$0.709

$0.55

$0.517

$0.502

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Min.: 1
Mult.: 1

Headers & Wire Housings 5 CKT RCPT HOUSING

39-01-4051
Molex
1: $0.598
10,567In Stock
16,000Expected 18/2/2026

Mfr. Part No.
39-01-4051

Mouser Part No
538-39-01-4051

Molex

Headers & Wire Housings 5 CKT RCPT HOUSING

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Datasheet

10,567In Stock

16,000Expected 18/2/2026

$0.598

$0.482

$0.456

$0.434

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Min.: 1
Mult.: 1

Headers & Wire Housings 5 CKT PLUG HOUSING

39-01-4052
Molex
1: $0.542
14,804In Stock

Mfr. Part No.
39-01-4052

Mouser Part No
538-39-01-4052

Molex

Headers & Wire Housings 5 CKT PLUG HOUSING

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Datasheet

14,804In Stock

$0.542

$0.502

$0.448

$0.427

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Min.: 1
Mult.: 1

Headers & Wire Housings Mini Fit Crimp Rec Hsg 6Ckt Black

39-03-9062
Molex
1: $0.542
13,665In Stock
19,205Expected 13/2/2026

Mfr. Part No.
39-03-9062

Mouser Part No
538-39-03-9062

Molex

Headers & Wire Housings Mini Fit Crimp Rec Hsg 6Ckt Black

Datasheet

13,665In Stock

19,205Expected 13/2/2026

$0.542

$0.428

$0.42

$0.40

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Min.: 1
Mult.: 1

Headers & Wire Housings New Mini Fit Crimp Rec Hsg 8Ckt

39-03-9082
Molex
1: $0.834
9,603In Stock

Mfr. Part No.
39-03-9082

Mouser Part No
538-39-03-9082

Molex

Headers & Wire Housings New Mini Fit Crimp Rec Hsg 8Ckt

Datasheet

9,603In Stock

$0.834

$0.61

$0.57

$0.555

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Min.: 1
Mult.: 1

Headers & Wire Housings Mini Fit Crimp Rec Hsg 10Ckt Black

39-03-9102
Molex
1: $0.556
7,045In Stock
5,000Expected 20/3/2026

Mfr. Part No.
39-03-9102

Mouser Part No
538-39-03-9102

Molex

Headers & Wire Housings Mini Fit Crimp Rec Hsg 10Ckt Black

Datasheet

7,045In Stock

5,000Expected 20/3/2026

$0.556

$0.407

$0.384

$0.374

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Min.: 1
Mult.: 1

Headers & Wire Housings 2 CKT VERT HEADER

39-28-1023
Molex
1: $0.584
38,758In Stock

Mfr. Part No.
39-28-1023

Mouser Part No
538-39-28-1023

Molex

Headers & Wire Housings 2 CKT VERT HEADER

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Datasheet

38,758In Stock

$0.584

$0.484

$0.471

$0.441

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Min.: 1
Mult.: 1

Headers & Wire Housings 4 CKT VERT HEADER

39-28-1043
Molex
1: $0.89
21,530In Stock
21,800Expected 8/4/2026

Mfr. Part No.
39-28-1043

Mouser Part No
538-39-28-1043

Molex

Headers & Wire Housings 4 CKT VERT HEADER

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Datasheet

21,530In Stock

21,800Expected 8/4/2026

$0.89

$0.709

$0.696

$0.623

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Min.: 1
Mult.: 1

Headers & Wire Housings 6 CKT VERT HEADER

39-28-1063
Molex
1: $1.13
26,034In Stock

Mfr. Part No.
39-28-1063

Mouser Part No
538-39-28-1063

Molex

Headers & Wire Housings 6 CKT VERT HEADER

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Datasheet

26,034In Stock

$1.13

$0.865

$0.855

$0.852

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Min.: 1
Mult.: 1

Headers & Wire Housings 8 CKT VERT HEADER

39-28-1083
Molex
1: $1.18
13,851In Stock

Mfr. Part No.
39-28-1083

Mouser Part No
538-39-28-1083

Molex

Headers & Wire Housings 8 CKT VERT HEADER

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Datasheet

13,851In Stock

$1.18

$1.06

$1.04

$1.02

$0.88

Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT VERT HEADER

39-28-1123
Molex
1: $1.63
4,640In Stock

Mfr. Part No.
39-28-1123

Mouser Part No
538-39-28-1123

Molex

Headers & Wire Housings 12 CKT VERT HEADER

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Datasheet

4,640In Stock

$1.63

$1.52

$1.49

$1.40

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Min.: 1
Mult.: 1

Headers & Wire Housings 18 CKT VERT HEADER

39-28-1183
Molex
1: $2.40
1,240In Stock

Mfr. Part No.
39-28-1183

Mouser Part No
538-39-28-1183

Molex

Headers & Wire Housings 18 CKT VERT HEADER

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Datasheet

1,240In Stock

$2.40

$2.18

$2.11

$1.93

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Min.: 1
Mult.: 1

Headers & Wire Housings 20 CKT VERT HEADER

39-28-1203
Molex
1: $3.22
3,665In Stock
2,280On Order

Mfr. Part No.
39-28-1203

Mouser Part No
538-39-28-1203

Molex

Headers & Wire Housings 20 CKT VERT HEADER

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Datasheet

3,665In Stock

2,280On Order

$3.22

$2.74

$2.59

$2.32

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Min.: 1
Mult.: 1

Headers & Wire Housings 22 CKT VERT HEADER

39-28-1223
Molex
1: $3.24
1,412In Stock

Mfr. Part No.
39-28-1223

Mouser Part No
538-39-28-1223

Molex

Headers & Wire Housings 22 CKT VERT HEADER

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Datasheet

1,412In Stock

$3.24

$2.93

$2.91

$2.84

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Min.: 1
Mult.: 1

Headers & Wire Housings 2 CKT VERT HEADER

39-28-8020
Molex
1: $0.709
13,199In Stock
5,480Expected 4/3/2026

Mfr. Part No.
39-28-8020

Mouser Part No
538-39-28-8020

Molex

Headers & Wire Housings 2 CKT VERT HEADER

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Datasheet

13,199In Stock

5,480Expected 4/3/2026

$0.709

$0.567

$0.56

$0.509

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Min.: 1
Mult.: 1

Headers & Wire Housings 6 CKT VERT HEADER

39-28-8060
Molex
1: $1.61
11,844In Stock

Mfr. Part No.
39-28-8060

Mouser Part No
538-39-28-8060

Molex

Headers & Wire Housings 6 CKT VERT HEADER

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Datasheet

11,844In Stock

$1.61

$1.36

$1.31

$1.28

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Min.: 1
Mult.: 1

Headers & Wire Housings 8 CKT VERT HEADER

39-28-8080
Molex
1: $1.79
1,378In Stock
6,900Expected 13/5/2026

Mfr. Part No.
39-28-8080

Mouser Part No
538-39-28-8080

Molex

Headers & Wire Housings 8 CKT VERT HEADER

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Datasheet

1,378In Stock

6,900Expected 13/5/2026

$1.79

$1.53

$1.38

$1.33

$1.26

Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT VERT HEADER

39-28-8120
Molex
1: $2.07
1,889In Stock

Mfr. Part No.
39-28-8120

Mouser Part No
538-39-28-8120

Molex

Headers & Wire Housings 12 CKT VERT HEADER

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Datasheet

1,889In Stock

$2.07

$1.77

$1.75

$1.70

$1.68

Min.: 1
Mult.: 1

Headers & Wire Housings 14 CKT VERT HEADER

39-28-8140
Molex
1: $3.68
2,799In Stock

Mfr. Part No.
39-28-8140

Mouser Part No
538-39-28-8140

Molex

Headers & Wire Housings 14 CKT VERT HEADER

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Datasheet

2,799In Stock

$3.68

$3.38

$2.91

$2.67

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Min.: 1
Mult.: 1

Headers & Wire Housings 16 CKT VERT HEADER

39-28-8160
Molex
1: $3.60
4,625In Stock

Mfr. Part No.
39-28-8160

Mouser Part No
538-39-28-8160

Molex

Headers & Wire Housings 16 CKT VERT HEADER

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Datasheet

4,625In Stock

$3.60

$3.29

$3.21

$3.17

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Min.: 1
Mult.: 1

Headers & Wire Housings 18 CKT VERT HEADER

39-28-8180
Molex
1: $3.70
762In Stock

Mfr. Part No.
39-28-8180

Mouser Part No
538-39-28-8180

Molex

Headers & Wire Housings 18 CKT VERT HEADER

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Datasheet

762In Stock

$3.70

$3.16

$2.67

Min.: 1
Mult.: 1

Headers & Wire Housings 4.2MM 2R VERT22P HDR SN W/O SNAP-IN PEG

39-28-8220
Molex
1: $4.42
700In Stock

Mfr. Part No.
39-28-8220

Mouser Part No
538-39-28-8220

Molex

Headers & Wire Housings 4.2MM 2R VERT22P HDR SN W/O SNAP-IN PEG

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Datasheet

700In Stock

$4.42

$3.75

$3.73

$3.68

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Min.: 1
Mult.: 1

Headers & Wire Housings 4 CKT VERT HEADER

39-28-9048
Molex
1: $4.74
1,202In Stock

Mfr. Part No.
39-28-9048

Mouser Part No
538-39-28-9048

Molex

Headers & Wire Housings 4 CKT VERT HEADER

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Datasheet

1,202In Stock

$4.74

$4.32

$4.09

$3.81

View

Min.: 1
Mult.: 1

Headers & Wire Housings 6 CKT VERT HEADER

39-28-9068
Molex
1: $3.84
2,423In Stock

Mfr. Part No.
39-28-9068

Mouser Part No
538-39-28-9068

Molex

Headers & Wire Housings 6 CKT VERT HEADER

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Datasheet

2,423In Stock

$3.84

$3.07

$2.81

$2.57

View

Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT VERT HEADER

39-28-9128
Molex
1: $8.83
679In Stock

Mfr. Part No.
39-28-9128

Mouser Part No
538-39-28-9128

Molex

Headers & Wire Housings 12 CKT VERT HEADER

Learn More

Datasheet

679In Stock

$8.83

$7.08

$6.94

$6.82

View

Min.: 1
Mult.: 1

Mini-Fit Jr. Connectors

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Mini-Fit Jr. Connectors

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