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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 1.0 WtB 2Ckt Female Housing

501330-0200
Molex
1: $0.381
135,614In Stock

Mfr. Part No.
501330-0200

Mouser Part No
538-501330-0200

Molex

Headers & Wire Housings 1.0 WtB 2Ckt Female Housing

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Datasheet

135,614In Stock

$0.381

$0.328

$0.292

$0.261

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.0 WtB 2Ckt StrWaferAssyEmbsTpPk

501331-0207
Molex
1: $0.775
58,691In Stock

Mfr. Part No.
501331-0207

Mouser Part No
538-501331-0207

Molex

Headers & Wire Housings 1.0 WtB 2Ckt StrWaferAssyEmbsTpPk

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Datasheet

58,691In Stock

Cut Tape

$0.775

$0.66

$0.56

$0.514

Reel

$0.449

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,100

Headers & Wire Housings 20CKT WTB CONN DR RIGHT ANGLE

501571-2007
Molex
1: $2.61
20,881In Stock

Mfr. Part No.
501571-2007

Mouser Part No
538-501571-2007

Molex

Headers & Wire Housings 20CKT WTB CONN DR RIGHT ANGLE

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Datasheet

20,881In Stock

Cut Tape

$2.61

$2.22

$1.89

$1.80

Reel

$1.71

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

Headers & Wire Housings 40CKT WTB CONN DR RIGHT ANGLE

501571-4007
Molex
1: $6.28
5,233In Stock
7,200Expected 30/12/2026

Mfr. Part No.
501571-4007

Mouser Part No
538-501571-4007

Molex

Headers & Wire Housings 40CKT WTB CONN DR RIGHT ANGLE

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Datasheet

5,233In Stock

7,200Expected 30/12/2026

Cut Tape

$6.28

$5.34

$4.54

$4.49

Reel

$4.15

MouseReel Available

Min.: 1
Mult.: 1

: 800

Headers & Wire Housings 1.0 WtB Side latch H=1.5 Rec Term

503765-0098
Molex
40,000: $0.091
320,000In Stock

Mfr. Part No.
503765-0098

Mouser Part No
538-503765-0098

Molex

Headers & Wire Housings 1.0 WtB Side latch H=1.5 Rec Term

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Datasheet

320,000In Stock

Reel

$0.091

Min.: 40,000
Mult.: 40,000

: 40,000

Headers & Wire Housings SOCKET 24-30AWG REEL Reel of 10000

50394-8051
Molex
10,000: $0.094
360,000In Stock
800,000On Order

Mfr. Part No.
50394-8051

Mouser Part No
538-50394-8051

Molex

Headers & Wire Housings SOCKET 24-30AWG REEL Reel of 10000

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Datasheet

Product Comments

360,000In Stock

800,000On Order

Reel

$0.094

$0.078

$0.072

Min.: 10,000
Mult.: 10,000

: 10,000

Headers & Wire Housings 1.5MM PicoLock SMT HDR RA POS SIDLCK 3P

504050-0391
Molex
1: $1.52
23,239In Stock
16,200Expected 5/11/2026

Mfr. Part No.
504050-0391

Mouser Part No
538-504050-0391

Molex

Headers & Wire Housings 1.5MM PicoLock SMT HDR RA POS SIDLCK 3P

Learn More

Datasheet

23,239In Stock

16,200Expected 5/11/2026

Cut Tape

$1.52

$1.29

$1.10

$0.997

Reel

$0.949

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings 1.5W/B CONN. HDR ASSY EMBTP PKG (4P)

504050-0491
Molex
1: $1.40
80,408In Stock

Mfr. Part No.
504050-0491

Mouser Part No
538-504050-0491

Molex

Headers & Wire Housings 1.5W/B CONN. HDR ASSY EMBTP PKG (4P)

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Datasheet

80,408In Stock

Cut Tape

$1.40

$1.20

$1.02

$0.922

Reel

$0.866

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings PicoLock 1.5 W/B HDR ASSY EMBTP PKG 6P

504050-0691
Molex
1: $1.86
16,887In Stock
15,700Expected 4/9/2026

Mfr. Part No.
504050-0691

Mouser Part No
538-504050-0691

Molex

Headers & Wire Housings PicoLock 1.5 W/B HDR ASSY EMBTP PKG 6P

Learn More

Datasheet

16,887In Stock

15,700Expected 4/9/2026

Cut Tape

$1.86

$1.59

$1.34

$1.22

Reel

$1.16

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings 1.5MM PicoLock SMT HDR RA POS SIDLCK 9P

504050-0991
Molex
1: $3.14
10,725In Stock

Mfr. Part No.
504050-0991

Mouser Part No
538-504050-0991

Molex

Headers & Wire Housings 1.5MM PicoLock SMT HDR RA POS SIDLCK 9P

Learn More

Datasheet

10,725In Stock

Cut Tape

$3.14

$2.67

$2.27

$2.03

Reel

$1.85

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings 1.5 W/B HEADER ASS'Y EMBTP PKG (12P)

504050-1291
Molex
1: $2.91
14,398In Stock

Mfr. Part No.
504050-1291

Mouser Part No
538-504050-1291

Molex

Headers & Wire Housings 1.5 W/B HEADER ASS'Y EMBTP PKG (12P)

Learn More

Datasheet

14,398In Stock

Cut Tape

$2.91

$2.48

$2.22

$2.11

Reel

$1.80

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings PicoLk TERM F 24-28G Reel of 1000

504052-0098 (Mouser Reel)
Molex
1,000: $0.185
142,000In Stock

Mfr. Part No.
504052-0098 (Mouser Reel)

Mouser Part No
538-504052-0098-MR

Molex

Headers & Wire Housings PicoLk TERM F 24-28G Reel of 1000

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Datasheet

Product Comments

142,000In Stock

Reel

$0.185

$0.18

Min.: 1,000
Mult.: 1,000

: 1,000

Headers & Wire Housings MICROLOCK PLUS 26-30 AWG AU

505431-1100
Molex
1: $0.286
396,883In Stock
276,000On Order

Mfr. Part No.
505431-1100

Mouser Part No
538-505431-1100

Molex

Headers & Wire Housings MICROLOCK PLUS 26-30 AWG AU

Learn More

Datasheet

396,883In Stock

276,000On Order

Cut Tape

$0.286

$0.248

$0.219

$0.189

View

Reel

$0.121

Min.: 1
Mult.: 1

: 23,000

Headers & Wire Housings MICROLOCK PLUS 26-30 AWG AU

505431-1200
Molex
23,000: $0.226
230,000In Stock
184,000Expected 7/10/2026

Mfr. Part No.
505431-1200

Mouser Part No
538-505431-1200

Molex

Headers & Wire Housings MICROLOCK PLUS 26-30 AWG AU

Datasheet

230,000In Stock

184,000Expected 7/10/2026

Reel

$0.226

$0.215

$0.211

Min.: 23,000
Mult.: 23,000

: 23,000

Headers & Wire Housings MICROLOCK PLUS 26-30 AWG AU

505431-1300
Molex
1: $0.707
121,956In Stock
184,000Expected 19/11/2026

Mfr. Part No.
505431-1300

Mouser Part No
538-505431-1300

Molex

Headers & Wire Housings MICROLOCK PLUS 26-30 AWG AU

Datasheet

121,956In Stock

184,000Expected 19/11/2026

Cut Tape

$0.707

Reel

$0.369

$0.351

Min.: 1
Mult.: 1

: 23,000

Headers & Wire Housings 1.25WB DL RA 26CKT BK G076

505448-2651
Molex
1: $8.05
4,722In Stock

Mfr. Part No.
505448-2651

Mouser Part No
538-505448-2651

Molex

Headers & Wire Housings 1.25WB DL RA 26CKT BK G076

Learn More

Datasheet

4,722In Stock

Cut Tape

$8.05

$7.33

$6.94

$6.79

View

Reel

$4.47

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 3P BLK GLD

505567-0381
Molex
1: $1.39
27,919In Stock

Mfr. Part No.
505567-0381

Mouser Part No
538-505567-0381

Molex

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 3P BLK GLD

Learn More

Datasheet

27,919In Stock

Cut Tape

$1.39

$1.18

$1.00

$0.964

Reel

$0.896

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 4P BLK GLD

505567-0481
Molex
1: $1.47
38,314In Stock
28,420Expected 8/10/2026

Mfr. Part No.
505567-0481

Mouser Part No
538-505567-0481

Molex

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 4P BLK GLD

Learn More

Datasheet

38,314In Stock

28,420Expected 8/10/2026

Cut Tape

$1.47

$1.25

$1.06

$1.02

Reel

$0.933

$0.932

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 7CKT BLK

505567-0771
Molex
1: $1.73
51,007In Stock

Mfr. Part No.
505567-0771

Mouser Part No
538-505567-0771

Molex

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 7CKT BLK

Learn More

Datasheet

51,007In Stock

Cut Tape

$1.73

$1.48

$1.25

$1.14

Reel

$1.08

View

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 8CKT BLK

505567-0871
Molex
1: $1.77
53,253In Stock
7,200Expected 28/9/2026

Mfr. Part No.
505567-0871

Mouser Part No
538-505567-0871

Molex

Headers & Wire Housings MicroLockPlus 1.25MM RA HDR SR 8CKT BLK

Learn More

Datasheet

53,253In Stock

7,200Expected 28/9/2026

Cut Tape

$1.77

$1.51

$1.27

$1.16

Reel

$1.10

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM VERT HDR SR 2CKT BLK

505568-0271
Molex
1: $0.938
58,801In Stock
1,200Expected 28/8/2026

Mfr. Part No.
505568-0271

Mouser Part No
538-505568-0271

Molex

Headers & Wire Housings MicroLockPlus 1.25MM VERT HDR SR 2CKT BLK

Learn More

Datasheet

58,801In Stock

1,200Expected 28/8/2026

Cut Tape

$0.938

$0.802

$0.683

$0.609

Reel

$0.544

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR 2CKT BLK GLD

505568-0281
Molex
1: $1.05
120,182In Stock

Mfr. Part No.
505568-0281

Mouser Part No
538-505568-0281

Molex

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR 2CKT BLK GLD

Learn More

Datasheet

120,182In Stock

Cut Tape

$1.05

$0.892

$0.759

$0.677

Reel

$0.636

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR 6CKT BLK GL

505568-0681
Molex
1: $1.70
21,657In Stock

Mfr. Part No.
505568-0681

Mouser Part No
538-505568-0681

Molex

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR 6CKT BLK GL

Learn More

Datasheet

21,657In Stock

Cut Tape

$1.70

$1.46

$1.23

$1.10

Reel

$0.952

$0.925

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM VERT HDR SR 8CKT BL

505568-0871
Molex
1: $1.48
25,011In Stock

Mfr. Part No.
505568-0871

Mouser Part No
538-505568-0871

Molex

Headers & Wire Housings MicroLockPlus 1.25MM VERT HDR SR 8CKT BL

Learn More

Datasheet

25,011In Stock

Cut Tape

$1.48

$1.26

$1.24

$1.09

Reel

$0.792

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR 8CKT BLK GLD

505568-0881
Molex
1: $1.77
18,268In Stock
21,600Expected 4/12/2026

Mfr. Part No.
505568-0881

Mouser Part No
538-505568-0881

Molex

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR 8CKT BLK GLD

Learn More

Datasheet

18,268In Stock

21,600Expected 4/12/2026

Cut Tape

$1.77

$1.51

$1.27

$1.22

Reel

$1.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,200

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

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

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