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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 1.50MM REC SMT 02X05P

503148-1090
Molex
1: $3.17
1,696In Stock
3,300Expected 23/9/2026

Mfr. Part No.
503148-1090

Mouser Part No
538-503148-1090

Molex

Headers & Wire Housings 1.50MM REC SMT 02X05P

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Datasheet

1,696In Stock

3,300Expected 23/9/2026

Cut Tape

$3.17

$2.69

$2.30

Reel

$2.05

$1.90

View

MouseReel Available

Min.: 1
Mult.: 1

: 550

Headers & Wire Housings 1.50MM REC SMT 02X06P

503148-1290
Molex
1: $4.00
2,181In Stock
11,000On Order

Mfr. Part No.
503148-1290

Mouser Part No
538-503148-1290

Molex

Headers & Wire Housings 1.50MM REC SMT 02X06P

Learn More

Datasheet

2,181In Stock

11,000On Order

Cut Tape

$4.00

$3.41

$2.90

$2.87

Reel

$2.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 550

Headers & Wire Housings Headers & Wire Housings 1.5WB DUAL R/A EMBS TAPE PKG 14P

503148-1490
Molex
1: $4.20
2,080In Stock

Mfr. Part No.
503148-1490

Mouser Part No
538-503148-1490

Molex

Headers & Wire Housings Headers & Wire Housings 1.5WB DUAL R/A EMBS TAPE PKG 14P

Learn More

Datasheet

2,080In Stock

Cut Tape

$4.20

$3.58

$3.05

Reel

$2.69

$2.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 550

Headers & Wire Housings 1.50MM REC SMT 02X08P

503148-1690
Molex
1: $4.05
1,318In Stock
2,200Expected 26/11/2026

Mfr. Part No.
503148-1690

Mouser Part No
538-503148-1690

Molex

Headers & Wire Housings 1.50MM REC SMT 02X08P

Learn More

Datasheet

1,318In Stock

2,200Expected 26/11/2026

Cut Tape

$4.05

$3.45

$2.94

Reel

$2.88

$2.67

View

MouseReel Available

Min.: 1
Mult.: 1

: 550

Headers & Wire Housings 1.5MM 2X10P REC RA SMT PLOK SN

503148-2090
Molex
1: $4.80
2,993In Stock

Mfr. Part No.
503148-2090

Mouser Part No
538-503148-2090

Molex

Headers & Wire Housings 1.5MM 2X10P REC RA SMT PLOK SN

Learn More

Datasheet

2,993In Stock

Cut Tape

$4.80

$4.09

$3.48

Reel

$3.09

$2.84

$2.60

MouseReel Available

Min.: 1
Mult.: 1

: 550

Headers & Wire Housings 1.5WB DUAL R/A EMBS TAPE PKG 22P

503148-2290
Molex
1: $5.00
1,051In Stock

Mfr. Part No.
503148-2290

Mouser Part No
538-503148-2290

Molex

Headers & Wire Housings 1.5WB DUAL R/A EMBS TAPE PKG 22P

Learn More

Datasheet

1,051In Stock

Cut Tape

$5.00

$4.26

$3.62

Reel

$3.21

$2.96

$2.71

MouseReel Available

Min.: 1
Mult.: 1

: 550

Headers & Wire Housings 1.5 W/B Dual Plg Hsg 20Ckt Beige

503149-2000
Molex
1: $1.05
4,951In Stock

Mfr. Part No.
503149-2000

Mouser Part No
538-503149-2000

Molex

Headers & Wire Housings 1.5 W/B Dual Plg Hsg 20Ckt Beige

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Datasheet

4,951In Stock

$1.05

$0.895

$0.80

$0.707

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.50MM CLIK-MATE REC 18P VT

503154-1890
Molex
1: $3.28
4,161In Stock

Mfr. Part No.
503154-1890

Mouser Part No
538-503154-1890

Molex

Headers & Wire Housings 1.50MM CLIK-MATE REC 18P VT

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Datasheet

4,161In Stock

Cut Tape

$3.28

$2.86

$2.73

$2.53

Reel

$2.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 450

Headers & Wire Housings 1.50MM CLIK-MATE REC 24P VT

503154-2490
Molex
1: $3.86
1,113In Stock
1,350Expected 9/10/2026

Mfr. Part No.
503154-2490

Mouser Part No
538-503154-2490

Molex

Headers & Wire Housings 1.50MM CLIK-MATE REC 24P VT

Learn More

Datasheet

1,113In Stock

1,350Expected 9/10/2026

Cut Tape

$3.86

$3.43

$3.33

$2.99

Reel

$2.67

View

MouseReel Available

Min.: 1
Mult.: 1

: 450

Headers & Wire Housings 1.5mm SR TH Vrt 3Ckt W/BosWKnk Blk

503159-0301
Molex
1: $0.857
5,505In Stock

Mfr. Part No.
503159-0301

Mouser Part No
538-503159-0301

Molex

Headers & Wire Housings 1.5mm SR TH Vrt 3Ckt W/BosWKnk Blk

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Datasheet

5,505In Stock

$0.857

$0.737

$0.675

$0.608

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.50MM CLIK-MATE REC 04P VT TH

503159-0400
Molex
1: $0.707
13,862In Stock

Mfr. Part No.
503159-0400

Mouser Part No
538-503159-0400

Molex

Headers & Wire Housings 1.50MM CLIK-MATE REC 04P VT TH

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Datasheet

13,862In Stock

$0.707

$0.611

$0.577

$0.521

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.50MM CLIK-MATE REC 05P VT TH

503159-0500
Molex
1: $0.816
17,299In Stock

Mfr. Part No.
503159-0500

Mouser Part No
538-503159-0500

Molex

Headers & Wire Housings 1.50MM CLIK-MATE REC 05P VT TH

Learn More

Datasheet

17,299In Stock

$0.816

$0.696

$0.67

$0.564

View

Min.: 1
Mult.: 1

Headers & Wire Housings Headers & Wire Housings 1.5 W/B SGL DIPR/ARecAssy4CktW/BossBeige

503175-0400
Molex
1: $0.993
4,675In Stock

Mfr. Part No.
503175-0400

Mouser Part No
538-503175-0400

Molex

Headers & Wire Housings Headers & Wire Housings 1.5 W/B SGL DIPR/ARecAssy4CktW/BossBeige

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Datasheet

4,675In Stock

$0.993

$0.876

$0.84

$0.759

View

Min.: 1
Mult.: 1

Headers & Wire Housings PicoLock 1.0 WB Plg R/A 2Ckt Pos SideLk

503763-0291
Molex
1: $0.898
35,445In Stock

Mfr. Part No.
503763-0291

Mouser Part No
538-503763-0291

Molex

Headers & Wire Housings PicoLock 1.0 WB Plg R/A 2Ckt Pos SideLk

Learn More

Datasheet

35,445In Stock

Cut Tape

$0.898

$0.763

$0.649

$0.585

Reel

$0.556

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Headers & Wire Housings PicoLock 1.0 WB Plg R/A 4Ckt Pos SideLk

503763-0491
Molex
1: $1.22
12,542In Stock
36,000On Order

Mfr. Part No.
503763-0491

Mouser Part No
538-503763-0491

Molex

Headers & Wire Housings PicoLock 1.0 WB Plg R/A 4Ckt Pos SideLk

Learn More

Datasheet

12,542In Stock

36,000On Order

Cut Tape

$1.22

$1.04

$0.883

$0.796

Reel

$0.758

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Headers & Wire Housings PicoLock 1.0 W/B Rec Pos. Side Lock 2Ckt

503764-0201
Molex
1: $0.313
67,451In Stock

Mfr. Part No.
503764-0201

Mouser Part No
538-503764-0201

Molex

Headers & Wire Housings PicoLock 1.0 W/B Rec Pos. Side Lock 2Ckt

Learn More

Datasheet

67,451In Stock

$0.313

$0.264

$0.234

$0.205

View

Min.: 1
Mult.: 1

Headers & Wire Housings CRMP TERM 30-24AWG Cut Strip of 100

50394-8051 (Cut Strip)
Molex
100: $0.146
75,700In Stock

Mfr. Part No.
50394-8051 (Cut Strip)

Mouser Part No
538-50394-8051-CT

Molex

Headers & Wire Housings CRMP TERM 30-24AWG Cut Strip of 100

Learn More

Datasheet

75,700In Stock

$0.146

Min.: 100
Mult.: 100

Headers & Wire Housings ML-GRD TERM 24-30G F Reel of 1000

50394-8052 (Mouser Reel)
Molex
1,000: $0.137
31,000In Stock

Mfr. Part No.
50394-8052 (Mouser Reel)

Mouser Part No
538-50394-8052-MR

Molex

Headers & Wire Housings ML-GRD TERM 24-30G F Reel of 1000

Learn More

Datasheet

31,000In Stock

Reel

$0.137

$0.131

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

: 1,000

Headers & Wire Housings Mgrid Term PhBR 2.5Sn

50394-8055
Molex
10,000: $0.056
250,000In Stock

Mfr. Part No.
50394-8055

Mouser Part No
538-50394-8055

Molex

Headers & Wire Housings Mgrid Term PhBR 2.5Sn

Learn More

Datasheet

250,000In Stock

Reel

$0.056

$0.046

$0.042

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
20,239In 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

20,239In 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 PicoLock 1.5 W/B HDR ASSY EMBTP PKG 7P

504050-0791
Molex
1: $2.28
1,581In Stock
16,200Expected 1/10/2026

Mfr. Part No.
504050-0791

Mouser Part No
538-504050-0791

Molex

Headers & Wire Housings PicoLock 1.5 W/B HDR ASSY EMBTP PKG 7P

Learn More

Datasheet

1,581In Stock

16,200Expected 1/10/2026

Cut Tape

$2.28

$1.94

$1.66

$1.63

Reel

$1.27

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings PicoLock 1.5 W/B HDR ASSY EMBTP PKG 10P

504050-1091
Molex
1: $2.72
11,608In Stock
10,800Expected 10/12/2026

Mfr. Part No.
504050-1091

Mouser Part No
538-504050-1091

Molex

Headers & Wire Housings PicoLock 1.5 W/B HDR ASSY EMBTP PKG 10P

Learn More

Datasheet

11,608In Stock

10,800Expected 10/12/2026

Cut Tape

$2.72

$2.31

$1.97

$1.75

Reel

$1.48

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings 1.5MM PicoLock SMT HDR RA POS SDLCK 11P

504050-1191
Molex
1: $2.98
2,259In Stock
10,800Expected 21/12/2026

Mfr. Part No.
504050-1191

Mouser Part No
538-504050-1191

Molex

Headers & Wire Housings 1.5MM PicoLock SMT HDR RA POS SDLCK 11P

Learn More

Datasheet

2,259In Stock

10,800Expected 21/12/2026

Cut Tape

$2.98

$2.53

$2.15

$1.92

Reel

$1.78

$1.75

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings 1.5MM PicoLock CRIMP HSG POS SIDELCK 2CKT

504051-0201
Molex
1: $0.394
26,397In Stock
88,000Expected 26/11/2026

Mfr. Part No.
504051-0201

Mouser Part No
538-504051-0201

Molex

Headers & Wire Housings 1.5MM PicoLock CRIMP HSG POS SIDELCK 2CKT

Learn More

Datasheet

26,397In Stock

88,000Expected 26/11/2026

$0.394

$0.339

$0.309

$0.254

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.5W/B CONN. REC HOUSING (4P)

504051-0401
Molex
1: $0.476
51,332In Stock
85,000Expected 25/1/2027

Mfr. Part No.
504051-0401

Mouser Part No
538-504051-0401

Molex

Headers & Wire Housings 1.5W/B CONN. REC HOUSING (4P)

Learn More

Datasheet

51,332In Stock

85,000Expected 25/1/2027

$0.476

$0.403

$0.36

$0.332

View

Min.: 1
Mult.: 1

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

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

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