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Signal Wire-to-Wire/Wire-to-Board Connectors

Molex Signal Wire-to-Wire/Wire-to-Board Connectors and Connector Systems feature a variety of wire-to-board signal connectors that offer design flexibility. Molex Signal WTW/WTB connectors and systems are ideal for personal computers and lighting, as well as automotive and industrial applications, depending on the model.

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Part #

Headers & Wire Housings PicoClasp Hdr SMT SR Vrt 4Ckt OPL Au0.76

203561-0403
Molex
1: $2.57
5,141In Stock

Mfr. Part No.
203561-0403

Mouser Part No
538-203561-0403

Molex

Headers & Wire Housings PicoClasp Hdr SMT SR Vrt 4Ckt OPL Au0.76

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Datasheet

5,141In Stock

Cut Tape

$2.57

$2.19

$1.86

$1.80

View

Reel

$1.65

MouseReel Available

Min.: 1
Mult.: 1

: 8,800

Headers & Wire Housings PicoClasp Hdr SMT SR RA 4Ckt OPL Au0.76

203563-0405
Molex
1: $3.21
10,238In Stock

Mfr. Part No.
203563-0405

Mouser Part No
538-203563-0405

Molex

Headers & Wire Housings PicoClasp Hdr SMT SR RA 4Ckt OPL Au0.76

Datasheet

10,238In Stock

$3.21

$2.80

$2.68

$2.50

View

Min.: 1
Mult.: 1

Headers & Wire Housings PicoClasp Hdr SMT DR Vt 30CKT W/PL Au0.38

203564-3017
Molex
1: $5.10
1,716In Stock

Mfr. Part No.
203564-3017

Mouser Part No
538-203564-3017

Molex

Headers & Wire Housings PicoClasp Hdr SMT DR Vt 30CKT W/PL Au0.38

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Datasheet

1,716In Stock

Cut Tape

$5.10

$4.34

$3.69

$3.58

Reel

$3.35

View

Min.: 1
Mult.: 1

: 1,100

Headers & Wire Housings PicoClasp Hdr SMT DR RA 20CKT W/PL Au0.38

203566-2007
Molex
1: $3.82
3,612In Stock

Mfr. Part No.
203566-2007

Mouser Part No
538-203566-2007

Molex

Headers & Wire Housings PicoClasp Hdr SMT DR RA 20CKT W/PL Au0.38

Learn More

Datasheet

3,612In Stock

Cut Tape

$3.82

$3.26

$2.77

$2.75

Reel

$2.53

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

Headers & Wire Housings PicoClasp Hdr SMT DR RA 20CKT W/PL Au0.76

203567-2007
Molex
1: $8.77
2,881In Stock

Mfr. Part No.
203567-2007

Mouser Part No
538-203567-2007

Molex

Headers & Wire Housings PicoClasp Hdr SMT DR RA 20CKT W/PL Au0.76

Learn More

Datasheet

2,881In Stock

Cut Tape

$8.77

$7.94

$7.51

$7.32

Reel

$5.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

Headers & Wire Housings 1.25mm MLP Rcpt Crmp Hsg DR 6Ckts Blk

204523-0601
Molex
1: $0.544
10,770In Stock

Mfr. Part No.
204523-0601

Mouser Part No
538-204523-0601

Molex

Headers & Wire Housings 1.25mm MLP Rcpt Crmp Hsg DR 6Ckts Blk

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Datasheet

10,770In Stock

$0.544

$0.461

$0.412

$0.393

View

Min.: 1
Mult.: 1

Headers & Wire Housings Micro-Lock PLUS Rcpt Hsg 1.25mm SR 4Ckt

204532-0401
Molex
1: $0.503
23,881In Stock

Mfr. Part No.
204532-0401

Mouser Part No
538-204532-0401

Molex

Headers & Wire Housings Micro-Lock PLUS Rcpt Hsg 1.25mm SR 4Ckt

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Datasheet

23,881In Stock

$0.503

$0.424

$0.379

$0.36

View

Min.: 1
Mult.: 1

Headers & Wire Housings Micro-Lock PLUS Rcpt Hsg 1.25mm SR 5Ckt

204532-0501
Molex
1: $0.503
9,748In Stock

Mfr. Part No.
204532-0501

Mouser Part No
538-204532-0501

Molex

Headers & Wire Housings Micro-Lock PLUS Rcpt Hsg 1.25mm SR 5Ckt

Learn More

Datasheet

9,748In Stock

$0.503

$0.426

$0.381

$0.362

View

Min.: 1
Mult.: 1

Headers & Wire Housings MLP Rcpt Hsg 1.25mm SR 16Ckt Blk

204532-1601
Molex
1: $0.626
12,480In Stock

Mfr. Part No.
204532-1601

Mouser Part No
538-204532-1601

Molex

Headers & Wire Housings MLP Rcpt Hsg 1.25mm SR 16Ckt Blk

Datasheet

12,480In Stock

$0.626

$0.536

$0.479

$0.456

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.25WB MLP PTG SR ST 2CKT ETP BLK

205957-0271
Molex
1: $1.12
3,231In Stock
8,000Expected 7/1/2027

Mfr. Part No.
205957-0271

Mouser Part No
538-205957-0271

Molex

Headers & Wire Housings 1.25WB MLP PTG SR ST 2CKT ETP BLK

Learn More

Datasheet

3,231In Stock

8,000Expected 7/1/2027

Cut Tape

$1.12

$0.952

$0.811

$0.802

Reel

$0.759

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Headers & Wire Housings 1.25WB MLP PTG SR ST 3CKT ETP BLK

205957-0371
Molex
1: $1.16
8,037In Stock

Mfr. Part No.
205957-0371

Mouser Part No
538-205957-0371

Molex

Headers & Wire Housings 1.25WB MLP PTG SR ST 3CKT ETP BLK

Learn More

Datasheet

8,037In Stock

Cut Tape

$1.16

$0.985

$0.836

$0.793

Reel

$0.753

View

Min.: 1
Mult.: 1

: 1,000

Headers & Wire Housings 1.25WB MLP PTG SR ST 4CKT ETP BLK

205957-0471
Molex
1: $1.44
5,984In Stock
35,895On Order

Mfr. Part No.
205957-0471

Mouser Part No
538-205957-0471

Molex

Headers & Wire Housings 1.25WB MLP PTG SR ST 4CKT ETP BLK

Learn More

Datasheet

5,984In Stock

35,895On Order

Cut Tape

$1.44

$1.28

$1.19

$1.12

Reel

$0.914

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Headers & Wire Housings 1.25WB MLP PTG SR ST 5CKT ETP BLK

205957-0571
Molex
1: $1.54
5,836In Stock

Mfr. Part No.
205957-0571

Mouser Part No
538-205957-0571

Molex

Headers & Wire Housings 1.25WB MLP PTG SR ST 5CKT ETP BLK

Learn More

Datasheet

5,836In Stock

Cut Tape

$1.54

$1.30

$1.11

$1.02

Reel

$1.01

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Headers & Wire Housings 1.25WB MLP PTG SR ST 8CKT ETP BLK

205957-0871
Molex
1: $1.60
19,657In Stock

Mfr. Part No.
205957-0871

Mouser Part No
538-205957-0871

Molex

Headers & Wire Housings 1.25WB MLP PTG SR ST 8CKT ETP BLK

Learn More

Datasheet

19,657In Stock

Cut Tape

$1.60

$1.37

$1.31

$1.20

Reel

$1.08

View

Min.: 1
Mult.: 1

: 1,000

Headers & Wire Housings 1.25WB MLP PTG SR ST 10CKT ETP BLK

205957-1071
Molex
1: $2.04
2,731In Stock

Mfr. Part No.
205957-1071

Mouser Part No
538-205957-1071

Molex

Headers & Wire Housings 1.25WB MLP PTG SR ST 10CKT ETP BLK

Learn More

Datasheet

2,731In Stock

Cut Tape

$2.04

$1.74

$1.48

$1.40

Reel

$1.33

View

Min.: 1
Mult.: 1

: 1,000

Headers & Wire Housings 1.25mm MLP Hdr DR Vrt SrfMnt 4Ckts PPT

207760-0481
Molex
1: $1.93
3,088In Stock

Mfr. Part No.
207760-0481

Mouser Part No
538-207760-0481

Molex

Headers & Wire Housings 1.25mm MLP Hdr DR Vrt SrfMnt 4Ckts PPT

Learn More

Datasheet

3,088In Stock

Cut Tape

$1.93

$1.66

$1.59

$1.37

Reel

$1.12

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25mm MLP Hdr DR Vrt SrfMnt 12Ckts

207760-1271
Molex
1: $2.01
1,626In Stock

Mfr. Part No.
207760-1271

Mouser Part No
538-207760-1271

Molex

Headers & Wire Housings 1.25mm MLP Hdr DR Vrt SrfMnt 12Ckts

Learn More

Datasheet

1,626In Stock

Cut Tape

$2.01

$1.71

$1.46

Reel

$1.40

$1.30

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25mm MLP Hdr DR VrtSrfMnt 12Ckts PPT

207760-1281
Molex
1: $2.42
1,858In Stock

Mfr. Part No.
207760-1281

Mouser Part No
538-207760-1281

Molex

Headers & Wire Housings 1.25mm MLP Hdr DR VrtSrfMnt 12Ckts PPT

Learn More

Datasheet

1,858In Stock

Cut Tape

$2.42

$2.05

$1.75

Reel

$1.71

$1.58

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25mm Pitch Micro-Lock Plus Plug Crimp Housing Single Row 3 Ckts Blk

214525-2031
Molex
1: $0.626
7,524In Stock
14,000Expected 4/9/2026

Mfr. Part No.
214525-2031

Mouser Part No
538-214525-2031

Molex

Headers & Wire Housings 1.25mm Pitch Micro-Lock Plus Plug Crimp Housing Single Row 3 Ckts Blk

Learn More

Datasheet

7,524In Stock

14,000Expected 4/9/2026

$0.626

$0.56

$0.515

$0.488

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.25mm Pitch Micro-Lock Plus Plug Crimp Housing Single Row 5 Ckts Blk

214525-2051
Molex
1: $0.68
10,980In Stock

Mfr. Part No.
214525-2051

Mouser Part No
538-214525-2051

Molex

Headers & Wire Housings 1.25mm Pitch Micro-Lock Plus Plug Crimp Housing Single Row 5 Ckts Blk

Learn More

Datasheet

10,980In Stock

$0.68

$0.554

$0.529

$0.505

View

Min.: 1
Mult.: 1

Headers & Wire Housings 2.5 VERT HDR SPOX 3P shrouded

22-03-5035
Molex
1: $0.299
54,622In Stock

Mfr. Part No.
22-03-5035

Mouser Part No
538-22-03-5035

Molex

Headers & Wire Housings 2.5 VERT HDR SPOX 3P shrouded

Learn More

Datasheet

54,622In Stock

$0.299

$0.253

$0.205

$0.188

View

Min.: 1
Mult.: 1

Headers & Wire Housings 2.5 VERT HDR SPOX 6P shrouded

22-03-5065
Molex
1: $0.49
18,827In Stock

Mfr. Part No.
22-03-5065

Mouser Part No
538-22-03-5065

Molex

Headers & Wire Housings 2.5 VERT HDR SPOX 6P shrouded

Learn More

Datasheet

18,827In Stock

$0.49

$0.413

$0.381

$0.344

View

Min.: 1
Mult.: 1

Headers & Wire Housings 2.5 VERT HDR SPOX 7P shrouded

22-03-5075
Molex
1: $0.503
10,443In Stock

Mfr. Part No.
22-03-5075

Mouser Part No
538-22-03-5075

Molex

Headers & Wire Housings 2.5 VERT HDR SPOX 7P shrouded

Learn More

Datasheet

10,443In Stock

$0.503

$0.432

$0.423

$0.367

View

Min.: 1
Mult.: 1

Headers & Wire Housings 2.5 VERT HDR SPOX 8P shrouded

22-03-5085
Molex
1: $0.598
27,710In Stock

Mfr. Part No.
22-03-5085

Mouser Part No
538-22-03-5085

Molex

Headers & Wire Housings 2.5 VERT HDR SPOX 8P shrouded

Learn More

Datasheet

27,710In Stock

$0.598

$0.513

$0.437

$0.389

View

Min.: 1
Mult.: 1

Headers & Wire Housings 2.5 VERT HDR SPOX 12 shrouded

22-03-5125
Molex
1: $0.802
4,858In Stock

Mfr. Part No.
22-03-5125

Mouser Part No
538-22-03-5125

Molex

Headers & Wire Housings 2.5 VERT HDR SPOX 12 shrouded

Learn More

Datasheet

4,858In Stock

$0.802

$0.683

$0.581

$0.518

View

Min.: 1
Mult.: 1

Signal Wire-to-Wire/Wire-to-Board Connectors

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