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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 18 CKT PLUG HOUSING

39-01-2181
Molex
1: $0.862
7,616In Stock

Mfr. Part No.
39-01-2181

Mouser Part No
538-39-01-2181

Molex

Headers & Wire Housings 18 CKT PLUG HOUSING

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Datasheet

7,616In Stock

$0.862

$0.853

$0.84

$0.803

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Min.: 1
Mult.: 1

Headers & Wire Housings MINIFIT PLUG HSG 20 CKT210 PANEL MNT

39-01-2206
Molex
1: $2.09
2,260In Stock

Mfr. Part No.
39-01-2206

Mouser Part No
538-39-01-2206

Molex

Headers & Wire Housings MINIFIT PLUG HSG 20 CKT210 PANEL MNT

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Datasheet

2,260In Stock

$2.09

$1.78

$1.70

$1.58

Min.: 1
Mult.: 1

Headers & Wire Housings Mini-Fit Plug Hsg 22Ckt 210 Panel Mt

39-01-2226
Molex
1: $2.68
2,027In Stock

Mfr. Part No.
39-01-2226

Mouser Part No
538-39-01-2226

Molex

Headers & Wire Housings Mini-Fit Plug Hsg 22Ckt 210 Panel Mt

Datasheet

2,027In Stock

$2.68

$2.43

$2.29

$2.14

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FIT PLG HSG 24CT

39-01-2246
Molex
1: $3.28
5,002In Stock

Mfr. Part No.
39-01-2246

Mouser Part No
538-39-01-2246

Molex

Headers & Wire Housings MINI-FIT PLG HSG 24CT

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Datasheet

5,002In Stock

$3.28

$2.81

$2.50

$2.39

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Min.: 1
Mult.: 1

Headers & Wire Housings RECPT DUAL ROW 2P

39-01-3022
Molex
1: $0.361
14,966In Stock
19,000Expected 18/2/2026

Mfr. Part No.
39-01-3022

Mouser Part No
538-39-01-3022

Molex

Headers & Wire Housings RECPT DUAL ROW 2P

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Datasheet

14,966In Stock

19,000Expected 18/2/2026

$0.361

$0.313

$0.274

$0.265

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI FIT REC 4CKT 55 EC 4CKT 555704RBLACK

39-01-3045
Molex
1: $0.528
24,263In Stock

Mfr. Part No.
39-01-3045

Mouser Part No
538-39-01-3045

Molex

Headers & Wire Housings MINI FIT REC 4CKT 55 EC 4CKT 555704RBLACK

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Datasheet

24,263In Stock

$0.528

$0.448

$0.399

$0.381

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Min.: 1
Mult.: 1

Headers & Wire Housings 6 CKT PLUG HOUSING

39-01-3063
Molex
1: $0.431
40,753In Stock
15,206Expected 11/5/2026

Mfr. Part No.
39-01-3063

Mouser Part No
538-39-01-3063

Molex

Headers & Wire Housings 6 CKT PLUG HOUSING

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Datasheet

40,753In Stock

15,206Expected 11/5/2026

$0.431

$0.374

$0.336

$0.32

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Min.: 1
Mult.: 1

Headers & Wire Housings 6 CKT PLUG HOUSING

39-01-3069
Molex
1: $0.834
28,941In Stock
6,361Expected 16/3/2026

Mfr. Part No.
39-01-3069

Mouser Part No
538-39-01-3069

Molex

Headers & Wire Housings 6 CKT PLUG HOUSING

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Datasheet

28,941In Stock

6,361Expected 16/3/2026

$0.834

$0.671

$0.621

$0.575

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Min.: 1
Mult.: 1

Headers & Wire Housings 8 CKT PLUG HOUSING

39-01-3083
Molex
1: $0.445
15,121In Stock

Mfr. Part No.
39-01-3083

Mouser Part No
538-39-01-3083

Molex

Headers & Wire Housings 8 CKT PLUG HOUSING

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Datasheet

15,121In Stock

$0.445

$0.384

$0.30

$0.288

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Min.: 1
Mult.: 1

Headers & Wire Housings MINIFIT REC 8CKT 555 EC 8CKT 555708RBLACK

39-01-3085
Molex
1: $0.681
12,848In Stock

Mfr. Part No.
39-01-3085

Mouser Part No
538-39-01-3085

Molex

Headers & Wire Housings MINIFIT REC 8CKT 555 EC 8CKT 555708RBLACK

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Datasheet

12,848In Stock

$0.681

$0.575

$0.495

$0.478

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Min.: 1
Mult.: 1

Headers & Wire Housings MINIFITJR PLG HGS 10P DR W/O EARS

39-01-3109
Molex
1: $1.25
3,986In Stock

Mfr. Part No.
39-01-3109

Mouser Part No
538-39-01-3109

Molex

Headers & Wire Housings MINIFITJR PLG HGS 10P DR W/O EARS

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Datasheet

3,986In Stock

$1.25

$0.991

$0.956

$0.82

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Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT PLUG HOUSING

39-01-3123
Molex
1: $0.945
10,543In Stock

Mfr. Part No.
39-01-3123

Mouser Part No
538-39-01-3123

Molex

Headers & Wire Housings 12 CKT PLUG HOUSING

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Datasheet

10,543In Stock

$0.945

$0.824

$0.769

$0.731

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Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT PLUG HOUSING

39-01-3129
Molex
1: $1.31
5,958In Stock

Mfr. Part No.
39-01-3129

Mouser Part No
538-39-01-3129

Molex

Headers & Wire Housings 12 CKT PLUG HOUSING

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Datasheet

5,958In Stock

$1.31

$0.884

$0.852

$0.83

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Min.: 1
Mult.: 1

Headers & Wire Housings 3 CKT PLUG HOUSING

39-01-4036
Molex
1: $0.417
23,441In Stock

Mfr. Part No.
39-01-4036

Mouser Part No
538-39-01-4036

Molex

Headers & Wire Housings 3 CKT PLUG HOUSING

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Datasheet

23,441In Stock

$0.417

$0.349

$0.311

$0.296

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Min.: 1
Mult.: 1

Headers & Wire Housings 3 CKT PLUG HOUSING

39-01-4037
Molex
1: $0.639
14,069In Stock

Mfr. Part No.
39-01-4037

Mouser Part No
538-39-01-4037

Molex

Headers & Wire Housings 3 CKT PLUG HOUSING

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Datasheet

14,069In Stock

$0.639

$0.512

$0.403

$0.395

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Min.: 1
Mult.: 1

Headers & Wire Housings MiniFitJrPlg SR PnlMnt V-0 4 Ckt

39-01-4043
Molex
1: $0.50
15,159In Stock

Mfr. Part No.
39-01-4043

Mouser Part No
538-39-01-4043

Molex

Headers & Wire Housings MiniFitJrPlg SR PnlMnt V-0 4 Ckt

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Datasheet

15,159In Stock

$0.50

$0.418

$0.384

$0.373

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Min.: 1
Mult.: 1

Headers & Wire Housings 5 CKT RCPT HOUSING

39-01-4050
Molex
1: $0.50
13,142In Stock

Mfr. Part No.
39-01-4050

Mouser Part No
538-39-01-4050

Molex

Headers & Wire Housings 5 CKT RCPT HOUSING

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Datasheet

13,142In Stock

$0.50

$0.438

$0.385

$0.357

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Min.: 1
Mult.: 1

Headers & Wire Housings 5 CKT PLUG HOUSING

39-01-4057
Molex
1: $0.667
15,862In Stock

Mfr. Part No.
39-01-4057

Mouser Part No
538-39-01-4057

Molex

Headers & Wire Housings 5 CKT PLUG HOUSING

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Datasheet

15,862In Stock

$0.667

$0.521

$0.484

$0.463

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Min.: 1
Mult.: 1

Headers & Wire Housings New Mini Fit Crimp R t Crimp Rec Hsg 2Ckt

39-03-9022
Molex
1: $0.514
48,631In Stock

Mfr. Part No.
39-03-9022

Mouser Part No
538-39-03-9022

Molex

Headers & Wire Housings New Mini Fit Crimp R t Crimp Rec Hsg 2Ckt

Datasheet

48,631In Stock

$0.514

$0.416

$0.40

$0.37

View

Min.: 1
Mult.: 1

Headers & Wire Housings New Mini Fit Crimp Rec Hsg 4Ckt

39-03-9042
Molex
1: $0.778
23,273In Stock

Mfr. Part No.
39-03-9042

Mouser Part No
538-39-03-9042

Molex

Headers & Wire Housings New Mini Fit Crimp Rec Hsg 4Ckt

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Datasheet

23,273In Stock

$0.778

$0.603

$0.596

$0.538

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Min.: 1
Mult.: 1

Headers & Wire Housings 14 CKT VERT HEADER

39-28-1143
Molex
1: $2.20
2,249In Stock

Mfr. Part No.
39-28-1143

Mouser Part No
538-39-28-1143

Molex

Headers & Wire Housings 14 CKT VERT HEADER

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Datasheet

2,249In Stock

$2.20

$1.96

$1.83

$1.63

View

Min.: 1
Mult.: 1

Headers & Wire Housings 24 CKT VERT HEADER

39-28-1243
Molex
1: $3.64
2,971In Stock
3,000Expected 24/2/2026

Mfr. Part No.
39-28-1243

Mouser Part No
538-39-28-1243

Molex

Headers & Wire Housings 24 CKT VERT HEADER

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Datasheet

2,971In Stock

3,000Expected 24/2/2026

$3.64

$3.14

$3.13

$2.89

Min.: 1
Mult.: 1

Headers & Wire Housings 10 CKT VERT HEADER

39-28-8100
Molex
1: $2.07
2,973In Stock

Mfr. Part No.
39-28-8100

Mouser Part No
538-39-28-8100

Molex

Headers & Wire Housings 10 CKT VERT HEADER

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Datasheet

2,973In Stock

$2.07

$1.88

$1.85

$1.83

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Min.: 1
Mult.: 1

Headers & Wire Housings 8 CKT VERT HEADER

39-28-9088
Molex
1: $5.05
4,646In Stock

Mfr. Part No.
39-28-9088

Mouser Part No
538-39-28-9088

Molex

Headers & Wire Housings 8 CKT VERT HEADER

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Datasheet

4,646In Stock

$5.05

$4.30

$4.03

$3.64

View

Min.: 1
Mult.: 1

Headers & Wire Housings 10 CKT VERT HEADER

39-28-9108
Molex
1: $7.14
1,202In Stock
649Expected 11/5/2026

Mfr. Part No.
39-28-9108

Mouser Part No
538-39-28-9108

Molex

Headers & Wire Housings 10 CKT VERT HEADER

Learn More

Datasheet

1,202In Stock

649Expected 11/5/2026

$7.14

$6.49

$6.16

$6.00

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Min.: 1
Mult.: 1

Mini-Fit Jr. Connectors

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Mini-Fit Jr. Connectors

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