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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 MicroLockPlus 1.25MM VRT HDR DR 20CKT BLK

505433-2071
Molex
1: $2.60
2,679In Stock

Mfr. Part No.
505433-2071

Mouser Part No
538-505433-2071

Molex

Headers & Wire Housings MicroLockPlus 1.25MM VRT HDR DR 20CKT BLK

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Datasheet

2,679In Stock

Cut Tape

$2.60

$2.20

$1.88

Reel

$1.85

$1.71

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25WB DL ST 20CKT BK G010 W/ KAP

505433-2091
Molex
1: $3.84
1,641In Stock

Mfr. Part No.
505433-2091

Mouser Part No
538-505433-2091

Molex

Headers & Wire Housings 1.25WB DL ST 20CKT BK G010 W/ KAP

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Datasheet

1,641In Stock

$3.84

$3.26

$2.77

$2.73

View

Min.: 1
Mult.: 1

Headers & Wire Housings 1.25WB DL ST 22CKT BK G010 W/ KAP

505433-2291
Molex
1: $4.19
1,039In Stock

Mfr. Part No.
505433-2291

Mouser Part No
538-505433-2291

Molex

Headers & Wire Housings 1.25WB DL ST 22CKT BK G010 W/ KAP

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Datasheet

1,039In Stock

$4.19

$3.74

$3.55

$3.28

View

Min.: 1
Mult.: 1

Headers & Wire Housings MicroLockPlus RA HDR DR 8CKT TIN-BIS BLK

505448-0871
Molex
1: $2.75
1,967In Stock

Mfr. Part No.
505448-0871

Mouser Part No
538-505448-0871

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 8CKT TIN-BIS BLK

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Datasheet

1,967In Stock

Cut Tape

$2.75

$2.43

$2.38

$2.15

Reel

$1.92

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25WB DL RA 10CKT BK G010

505448-1091
Molex
1: $3.48
2,627In Stock

Mfr. Part No.
505448-1091

Mouser Part No
538-505448-1091

Molex

Headers & Wire Housings 1.25WB DL RA 10CKT BK G010

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Datasheet

2,627In Stock

$3.48

$2.96

$2.58

$2.39

View

Min.: 1
Mult.: 1

Headers & Wire Housings MicroLockPlus RA HDR DR 12CKT TIN-BIS BL

505448-1271
Molex
1: $2.99
1,538In Stock
6,000On Order

Mfr. Part No.
505448-1271

Mouser Part No
538-505448-1271

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 12CKT TIN-BIS BL

Learn More

Datasheet

1,538In Stock

6,000On Order

Cut Tape

$2.99

$2.56

$2.16

Reel

$2.09

$1.86

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25WB DL RA 12CKT BK G010

505448-1291
Molex
1: $4.16
1,905In Stock

Mfr. Part No.
505448-1291

Mouser Part No
538-505448-1291

Molex

Headers & Wire Housings 1.25WB DL RA 12CKT BK G010

Learn More

Datasheet

1,905In Stock

$4.16

$3.58

$3.05

$2.49

View

Min.: 1
Mult.: 1

Headers & Wire Housings MicroLockPlus RA HDR DR 16CKT TIN-BIS BLK

505448-1671
Molex
1: $3.48
1,864In Stock
4,000Expected 28/10/2026

Mfr. Part No.
505448-1671

Mouser Part No
538-505448-1671

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 16CKT TIN-BIS BLK

Learn More

Datasheet

1,864In Stock

4,000Expected 28/10/2026

Cut Tape

$3.48

$2.96

$2.52

$2.49

Reel

$2.24

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25WB DL RA 16CKT BK G010

505448-1691
Molex
1: $4.80
4,350In Stock

Mfr. Part No.
505448-1691

Mouser Part No
538-505448-1691

Molex

Headers & Wire Housings 1.25WB DL RA 16CKT BK G010

Learn More

Datasheet

4,350In Stock

Cut Tape

$4.80

$4.09

$3.56

Reel

$3.47

$3.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 20CKT TIN-BIS BLK

505448-2071
Molex
1: $3.75
3,994In Stock

Mfr. Part No.
505448-2071

Mouser Part No
538-505448-2071

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 20CKT TIN-BIS BLK

Learn More

Datasheet

3,994In Stock

Cut Tape

$3.75

$3.20

$2.72

Reel

$2.53

$2.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings 1.25WB DL RA 20CKT BK G010

505448-2091
Molex
1: $5.26
1,998In Stock

Mfr. Part No.
505448-2091

Mouser Part No
538-505448-2091

Molex

Headers & Wire Housings 1.25WB DL RA 20CKT BK G010

Learn More

Datasheet

1,998In Stock

Cut Tape

$5.26

$4.47

$3.89

$3.81

Reel

$3.36

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

505448-2651
Molex
1: $8.05
2,710In Stock
4,500Expected 21/12/2026

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

2,710In Stock

4,500Expected 21/12/2026

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 RA HDR DR 26CKT TIN-BIS BLK

505448-2671
Molex
1: $5.39
735In Stock

Mfr. Part No.
505448-2671

Mouser Part No
538-505448-2671

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 26CKT TIN-BIS BLK

Learn More

Datasheet

735In Stock

Cut Tape

$5.39

$4.58

$3.89

Reel

$3.43

$3.18

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 28CKT TIN-BIS BL

505448-2871
Molex
1: $5.66
996In Stock

Mfr. Part No.
505448-2871

Mouser Part No
538-505448-2871

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 28CKT TIN-BIS BL

Learn More

Datasheet

996In Stock

Cut Tape

$5.66

$5.15

$4.88

$4.54

Reel

$3.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 30CKT TIN-BIS BLK

505448-3071
Molex
1: $5.30
966In Stock
1,500Expected 14/10/2026

Mfr. Part No.
505448-3071

Mouser Part No
538-505448-3071

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 30CKT TIN-BIS BLK

Learn More

Datasheet

966In Stock

1,500Expected 14/10/2026

Cut Tape

$5.30

$4.81

$4.69

$4.23

Reel

$3.77

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 32CKT TIN-BIS BLK

505448-3271
Molex
1: $6.27
886In Stock

Mfr. Part No.
505448-3271

Mouser Part No
538-505448-3271

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 32CKT TIN-BIS BLK

Learn More

Datasheet

886In Stock

Cut Tape

$6.27

$5.70

$5.40

$5.02

Reel

$3.73

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 34CKT TIN-BIS BLK

505448-3471
Molex
1: $6.57
703In Stock

Mfr. Part No.
505448-3471

Mouser Part No
538-505448-3471

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 34CKT TIN-BIS BLK

Learn More

Datasheet

703In Stock

Cut Tape

$6.57

$5.97

$5.66

$5.26

Reel

$4.13

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 38CKT TIN-BIS BLK

505448-3871
Molex
1: $7.17
733In Stock

Mfr. Part No.
505448-3871

Mouser Part No
538-505448-3871

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 38CKT TIN-BIS BLK

Learn More

Datasheet

733In Stock

Cut Tape

$7.17

$6.51

$6.17

$6.04

Reel

$4.39

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 40CKT TIN-BIS BLK

505448-4071
Molex
1: $6.24
1,085In Stock

Mfr. Part No.
505448-4071

Mouser Part No
538-505448-4071

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 40CKT TIN-BIS BLK

Learn More

Datasheet

1,085In Stock

Cut Tape

$6.24

$5.66

$5.52

$5.47

Reel

$4.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings MicroLockPlus RA HDR DR 42CKT TIN-BIS BLK

505448-4271
Molex
1: $7.47
743In Stock

Mfr. Part No.
505448-4271

Mouser Part No
538-505448-4271

Molex

Headers & Wire Housings MicroLockPlus RA HDR DR 42CKT TIN-BIS BLK

Learn More

Datasheet

743In Stock

Cut Tape

$7.47

$6.42

$6.28

$5.47

Reel

$4.42

View

Min.: 1
Mult.: 1

: 500

Headers & Wire Housings Micro-Lock Plus HSG SR 3CKT W/POSLCK BLK

505565-0301
Molex
1: $0.381
42,826In Stock
72,000Expected 10/12/2026

Mfr. Part No.
505565-0301

Mouser Part No
538-505565-0301

Molex

Headers & Wire Housings Micro-Lock Plus HSG SR 3CKT W/POSLCK BLK

Learn More

Datasheet

42,826In Stock

72,000Expected 10/12/2026

$0.381

$0.325

$0.269

$0.253

View

Min.: 1
Mult.: 1

Headers & Wire Housings Micro-Lock Plus HSG SR 4CKT W/POSLCK BLK

505565-0401
Molex
1: $0.381
69,471In Stock

Mfr. Part No.
505565-0401

Mouser Part No
538-505565-0401

Molex

Headers & Wire Housings Micro-Lock Plus HSG SR 4CKT W/POSLCK BLK

Learn More

Datasheet

69,471In Stock

$0.381

$0.326

$0.29

$0.267

View

Min.: 1
Mult.: 1

Headers & Wire Housings Micro-Lock Plus HSG SR 5CKT W/POSLCK BLK

505565-0501
Molex
1: $0.381
45,014In Stock

Mfr. Part No.
505565-0501

Mouser Part No
538-505565-0501

Molex

Headers & Wire Housings Micro-Lock Plus HSG SR 5CKT W/POSLCK BLK

Learn More

Datasheet

45,014In Stock

$0.381

$0.328

$0.292

$0.279

View

Min.: 1
Mult.: 1

Headers & Wire Housings Micro-Lock Plus HSG SR 6CKT W/POSLCK BLK

505565-0601
Molex
1: $0.612
53,269In Stock

Mfr. Part No.
505565-0601

Mouser Part No
538-505565-0601

Molex

Headers & Wire Housings Micro-Lock Plus HSG SR 6CKT W/POSLCK BLK

Learn More

Datasheet

53,269In Stock

$0.612

$0.514

$0.458

$0.42

View

Min.: 1
Mult.: 1

Headers & Wire Housings Micro-Lock Plus HSG SR 14CKT W/POSLK BLK

505565-1401
Molex
1: $0.558
69,703In Stock

Mfr. Part No.
505565-1401

Mouser Part No
538-505565-1401

Molex

Headers & Wire Housings Micro-Lock Plus HSG SR 14CKT W/POSLK BLK

Learn More

Datasheet

69,703In Stock

$0.558

$0.472

$0.422

$0.401

View

Min.: 1
Mult.: 1

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

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