Connectors – Mouser United Kingdom

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Mini-Fit Jr. Wire-to-Board Connectors

Molex Mini-Fit Jr.™ Wire-to-Board Connectors are designed for power applications up to 9.0A per circuit. The offering includes 2-to-24 circuit options, and features multiple plating and material selections. The Mini-Fit Jr.™ Wire-to-Board Connectors are available in female contact, right-angle/single row header, right-angle/double row header, vertical/single row header, vertical/double row header, single-row receptacle, and double-row receptacle versions.

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Part #

Headers & Wire Housings 2 CKT VERT HEADER

39-31-0020
Molex
1: £0.421
6,400In Stock
2,080On Order

Mfr. Part No.
39-31-0020

Mouser Part No
538-39-31-0020

Molex

Headers & Wire Housings 2 CKT VERT HEADER

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Datasheet

6,400In Stock

2,080On Order

£0.421

£0.369

£0.355

£0.327

£0.319

Min.: 1
Mult.: 1

Headers & Wire Housings 2CKT MINI FIT CONN A ASSY 556602BGS

39-31-0027
Molex
1: £0.705
3,373In Stock

Mfr. Part No.
39-31-0027

Mouser Part No
538-39-31-0027

Molex

Headers & Wire Housings 2CKT MINI FIT CONN A ASSY 556602BGS

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Datasheet

3,373In Stock

£0.705

£0.615

£0.598

£0.563

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Min.: 1
Mult.: 1

Headers & Wire Housings 2 CKT VERT HEADER

39-31-0028
Molex
1: £0.882
3,096In Stock
4,017Expected 15/06/2026

Mfr. Part No.
39-31-0028

Mouser Part No
538-39-31-0028

Molex

Headers & Wire Housings 2 CKT VERT HEADER

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Datasheet

3,096In Stock

4,017Expected 15/06/2026

£0.882

£0.856

£0.788

£0.735

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Min.: 1
Mult.: 1

Headers & Wire Housings 6 CKT VERT HEADER

39-31-0060
Molex
1: £0.978
9,931In Stock
867Expected 25/05/2026

Mfr. Part No.
39-31-0060

Mouser Part No
538-39-31-0060

Molex

Headers & Wire Housings 6 CKT VERT HEADER

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Datasheet

9,931In Stock

867Expected 25/05/2026

£0.978

£0.96

£0.943

£0.925

£0.882

Min.: 1
Mult.: 1

Headers & Wire Housings 8 CKT VERT HEADER

39-31-0088
Molex
1: £3.26
602In Stock
2,300Expected 26/05/2026

Mfr. Part No.
39-31-0088

Mouser Part No
538-39-31-0088

Molex

Headers & Wire Housings 8 CKT VERT HEADER

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Datasheet

602In Stock

2,300Expected 26/05/2026

£3.26

£3.06

£2.67

£2.64

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Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT VERT HEADER

39-31-0120
Molex
1: £1.44
1,939In Stock

Mfr. Part No.
39-31-0120

Mouser Part No
538-39-31-0120

Molex

Headers & Wire Housings 12 CKT VERT HEADER

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Datasheet

1,939In Stock

£1.44

£1.24

£1.21

£1.09

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Min.: 1
Mult.: 1

Headers & Wire Housings HDR VERT DUAL 12P PCB peg locks

39-31-0128
Molex
1: £5.67
582In Stock

Mfr. Part No.
39-31-0128

Mouser Part No
538-39-31-0128

Molex

Headers & Wire Housings HDR VERT DUAL 12P PCB peg locks

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Datasheet

582In Stock

£5.67

£5.53

£5.38

£4.79

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Min.: 1
Mult.: 1

Headers & Wire Housings MiniFitJrHdr Vt DR O O/Pgs 30Au V-2 16Ckt

39-31-0167
Molex
1: £7.66
378In Stock

Mfr. Part No.
39-31-0167

Mouser Part No
538-39-31-0167

Molex

Headers & Wire Housings MiniFitJrHdr Vt DR O O/Pgs 30Au V-2 16Ckt

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Datasheet

378In Stock

£7.66

£6.90

£6.50

£6.34

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Min.: 1
Mult.: 1

Headers & Wire Housings 4.20mm V DR HDR 24P THRUHOLE TIN

44206-0007
Molex
1: £0.736
2,225In Stock

Mfr. Part No.
44206-0007

Mouser Part No
538-44206-0007

Molex

Headers & Wire Housings 4.20mm V DR HDR 24P THRUHOLE TIN

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Datasheet

2,225In Stock

£0.736

£0.734

£0.733

£0.716

Min.: 1
Mult.: 1

Headers & Wire Housings MiniFit Jr. 3Ckt Rec ecept. Hsg V-2 Blac

50-29-1662
Molex
1: £0.368
19,987In Stock

Mfr. Part No.
50-29-1662

Mouser Part No
538-50-29-1662

Molex

Headers & Wire Housings MiniFit Jr. 3Ckt Rec ecept. Hsg V-2 Blac

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Datasheet

19,987In Stock

£0.368

£0.311

£0.265

£0.236

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FITJR W-T-B HDR 2CKT

87427-0202
Molex
1: £0.63
3,473In Stock

Mfr. Part No.
87427-0202

Mouser Part No
538-87427-0202

Molex

Headers & Wire Housings MINI-FITJR W-T-B HDR 2CKT

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Datasheet

3,473In Stock

£0.63

£0.538

£0.457

£0.436

Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FIT JR. W-TO-B

87427-0242
Molex
1: £0.518
5,600In Stock

Mfr. Part No.
87427-0242

Mouser Part No
538-87427-0242

Molex

Headers & Wire Housings MINI-FIT JR. W-TO-B

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Datasheet

5,600In Stock

£0.518

£0.44

£0.346

£0.34

Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FITJR W-T-B HDR 4CKT

87427-0402
Molex
1: £1.00
2,183In Stock

Mfr. Part No.
87427-0402

Mouser Part No
538-87427-0402

Molex

Headers & Wire Housings MINI-FITJR W-T-B HDR 4CKT

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Datasheet

2,183In Stock

£1.00

£0.856

£0.726

£0.682

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FIT JR. W-TO-B

87427-0442
Molex
1: £0.728
4,007In Stock

Mfr. Part No.
87427-0442

Mouser Part No
538-87427-0442

Molex

Headers & Wire Housings MINI-FIT JR. W-TO-B

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Datasheet

4,007In Stock

£0.728

£0.659

£0.657

£0.56

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Min.: 1
Mult.: 1

Headers & Wire Housings 6CKT WTB RA HDR

87427-0602
Molex
1: £0.995
5,682In Stock

Mfr. Part No.
87427-0602

Mouser Part No
538-87427-0602

Molex

Headers & Wire Housings 6CKT WTB RA HDR

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Datasheet

5,682In Stock

£0.995

£0.899

£0.882

£0.818

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Min.: 1
Mult.: 1

Headers & Wire Housings MiniFitJr 4.2mm RA 8Ckt HDR W/O Flange

87427-0802
Molex
1: £1.31
3,904In Stock

Mfr. Part No.
87427-0802

Mouser Part No
538-87427-0802

Molex

Headers & Wire Housings MiniFitJr 4.2mm RA 8Ckt HDR W/O Flange

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Datasheet

3,904In Stock

£1.31

£1.11

£1.06

£0.943

£0.844

Min.: 1
Mult.: 1

Headers & Wire Housings 12CKT RA HDR

87427-1202
Molex
1: £2.13
1,071In Stock
2,640Expected 20/04/2026

Mfr. Part No.
87427-1202

Mouser Part No
538-87427-1202

Molex

Headers & Wire Housings 12CKT RA HDR

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Datasheet

1,071In Stock

2,640Expected 20/04/2026

£2.13

£1.93

£1.70

£1.53

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FIT JR. W-TO-B

87427-1402
Molex
1: £2.42
2,448In Stock

Mfr. Part No.
87427-1402

Mouser Part No
538-87427-1402

Molex

Headers & Wire Housings MINI-FIT JR. W-TO-B

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Datasheet

2,448In Stock

£2.42

£2.06

£1.90

£1.75

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FIT JR. W-TO-B

87427-1602
Molex
1: £2.38
702In Stock
1,920Expected 29/04/2026

Mfr. Part No.
87427-1602

Mouser Part No
538-87427-1602

Molex

Headers & Wire Housings MINI-FIT JR. W-TO-B

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Datasheet

702In Stock

1,920Expected 29/04/2026

£2.38

£2.03

£1.98

£1.89

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Min.: 1
Mult.: 1

Headers & Wire Housings HI-TEMP MINIFIT JR H -TEMP MINIFIT JR HD

87427-1642
Molex
1: £2.58
1,081In Stock

Mfr. Part No.
87427-1642

Mouser Part No
538-87427-1642

Molex

Headers & Wire Housings HI-TEMP MINIFIT JR H -TEMP MINIFIT JR HD

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Datasheet

1,081In Stock

£2.58

£2.30

£2.23

£2.14

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Min.: 1
Mult.: 1

Headers & Wire Housings 4.2mm WtB RAHdr HT / OMntFlg 2.54Sn 18Ckt

87427-1802
Molex
1: £1.99
801In Stock

Mfr. Part No.
87427-1802

Mouser Part No
538-87427-1802

Molex

Headers & Wire Housings 4.2mm WtB RAHdr HT / OMntFlg 2.54Sn 18Ckt

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Datasheet

801In Stock

£1.99

£1.69

£1.68

Min.: 1
Mult.: 1

Headers & Wire Housings 12 CKT RCPT HOUSING

39-01-2125
Molex
1: £0.45
1,100In Stock
22,000Expected 21/04/2026

Mfr. Part No.
39-01-2125

Mouser Part No
538-39-01-21-25

Molex

Headers & Wire Housings 12 CKT RCPT HOUSING

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Datasheet

1,100In Stock

22,000Expected 21/04/2026

£0.45

£0.378

£0.343

£0.327

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Min.: 1
Mult.: 1

Headers & Wire Housings 16 CKT VERT HEADER

39-28-1163
Molex
1: £1.34
8In Stock
6,300Expected 15/06/2026

Mfr. Part No.
39-28-1163

Mouser Part No
538-39-28-1163

Molex

Headers & Wire Housings 16 CKT VERT HEADER

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Datasheet

8In Stock

6,300Expected 15/06/2026

£1.34

£1.14

£0.96

Min.: 1
Mult.: 1

Headers & Wire Housings 24 CKT VERT HEADER

39-28-8240
Molex
1: £3.66
377In Stock

Mfr. Part No.
39-28-8240

Mouser Part No
538-39-28-8240

Molex

Headers & Wire Housings 24 CKT VERT HEADER

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Datasheet

377In Stock

£3.66

£2.70

£2.57

£2.28

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Min.: 1
Mult.: 1

Headers & Wire Housings MINI-FIT JR. HEADER

39-29-1147
Molex
1: £2.28
284In Stock

Mfr. Part No.
39-29-1147

Mouser Part No
538-39-29-1147

Molex

Headers & Wire Housings MINI-FIT JR. HEADER

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Datasheet

284In Stock

£2.28

£2.07

£2.01

£1.80

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Min.: 1
Mult.: 1

Mini-Fit Jr. Wire-to-Board Connectors

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