Headers & Wire Housings – Mouser Singapore

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DF51K 2mm Pitch Wire-to-Board Connectors

Hirose Electric DF51K 2mm Pitch Wire-to-Board Connectors feature a center-lock design that prevents damage while allowing high-density mounting and easy operation. The locking mechanism delivers a clear tactile click to ensure complete mating, while visually and mechanically polarized features prevent reverse or incorrect mating. Hirose Electric DF51K connectors are available in straight or right-angle options, single or dual row, and with gold or tin plating. Typical applications include medical, office, and amusement equipment, as well as industrial machinery and robots.

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Part #

Headers & Wire Housings 2mm Pitch WtoB Conn Contact

DF51K-30SCF(800)
Hirose Connector
1: $0.136
15,298In Stock

Mfr. Part No.
DF51K-30SCF(800)

Mouser Part No
798-DF51K-30SCF800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn Contact

Learn More

Datasheet

15,298In Stock

Cut Tape

$0.136

$0.061

$0.054

$0.05

View

Reel

$0.044

Min.: 1
Mult.: 1

: 10,000

Contacts

Crimp

Socket (Female)

DF51K

SignalBee

Wire-to-Board

30 AWG

- 55 C

+ 105 C

Reel, Cut Tape

Headers & Wire Housings 2mm Pitch WtoB Conn 3 pos Socket

DF51K-3S-2C(800)
Hirose Connector
1: $0.34
75In Stock
6,400On Order

Mfr. Part No.
DF51K-3S-2C(800)

Mouser Part No
798-DF51K-3S-2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 3 pos Socket

Learn More

Datasheet

75In Stock

6,400On Order

$0.34

$0.286

$0.256

$0.242

View

Min.: 1
Mult.: 1

Headers

Socket

3 Position

2 mm (0.079 in)

1 Row

Cable Mount / Free Hanging

Crimp

Socket (Female)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 4pos Straight Header

DF51K-4DP-2DSA(805)
Hirose Connector
1: $0.816
701In Stock
7,500On Order

Mfr. Part No.
DF51K-4DP-2DSA(805)

Mouser Part No
798-DF51K-4DP2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 4pos Straight Header

Learn More

Datasheet

701In Stock

7,500On Order

$0.816

$0.699

$0.593

$0.529

View

Min.: 1
Mult.: 1

Headers

Shrouded

4 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos Socket

DF51K-4DS-2C(800)
Hirose Connector
1: $0.49
880In Stock
15,700On Order

Mfr. Part No.
DF51K-4DS-2C(800)

Mouser Part No
798-DF51K-4DS-2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos Socket

Learn More

Datasheet

880In Stock

15,700On Order

$0.49

$0.42

$0.371

$0.321

View

Min.: 1
Mult.: 1

Headers

Socket

4 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Cable Mount / Free Hanging

Crimp

Socket (Female)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos RA Header

DF51K-4P-2DS(805)
Hirose Connector
1: $1.92
7In Stock
540Expected 21/8/2026

Mfr. Part No.
DF51K-4P-2DS(805)

Mouser Part No
798-DF51K-4P-2DS805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos RA Header

Learn More

Datasheet

7In Stock

540Expected 21/8/2026

$1.92

$1.62

$1.55

$1.46

View

Min.: 1
Mult.: 1

Headers

Shrouded

4 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Right Angle

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Tray

Headers & Wire Housings Header, 4pos., 2mm pitch, Right angle, 2A, 250V

DF51K-4P-2H(800)
Hirose Connector
1: $1.73
148In Stock
530Expected 29/12/2026

Mfr. Part No.
DF51K-4P-2H(800)

Mouser Part No
798-DF51K-4P-2H800

Hirose Connector

Headers & Wire Housings Header, 4pos., 2mm pitch, Right angle, 2A, 250V

Learn More

Datasheet

148In Stock

530Expected 29/12/2026

Cut Tape

$1.73

$1.47

$1.25

Reel

$1.11

$1.03

Min.: 1
Mult.: 1

: 530

Headers

4 Position

2 mm (0.079 in)

1 Row

PCB Mount

Solder

Right Angle

Tin

DF51K

SignalBee

- 55 C

+ 105 C

Reel, Cut Tape

Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos Socket

DF51K-4S-2C(800)
Hirose Connector
1: $0.49
3,181In Stock
7,700On Order

Mfr. Part No.
DF51K-4S-2C(800)

Mouser Part No
798-DF51K-4S-2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos Socket

Learn More

Datasheet

3,181In Stock

7,700On Order

$0.49

$0.42

$0.371

$0.321

View

Min.: 1
Mult.: 1

Headers

Socket

4 Position

2 mm (0.079 in)

1 Row

Cable Mount / Free Hanging

Crimp

Socket (Female)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 5 pos RA Header

DF51K-5P-2DS(800)
Hirose Connector
1: $1.66
690In Stock

Mfr. Part No.
DF51K-5P-2DS(800)

Mouser Part No
798-DF51K-5P-2DS800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 5 pos RA Header

Learn More

Datasheet

690In Stock

$1.66

$1.40

$1.35

$1.27

View

Min.: 1
Mult.: 1

Headers

Shrouded

5 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Right Angle

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Tray

Headers & Wire Housings 2mm Pitch WtoB Conn 5 pos RA Header

DF51K-5P-2DS(805)
Hirose Connector
1: $1.82
277In Stock

Mfr. Part No.
DF51K-5P-2DS(805)

Mouser Part No
798-DF51K-5P-2DS805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 5 pos RA Header

Learn More

Datasheet

277In Stock

$1.82

$1.55

$1.24

$1.15

View

Min.: 1
Mult.: 1

Headers

Shrouded

5 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Right Angle

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Tray

Headers & Wire Housings 2mm Pitch WtoB Conn 5pos Straight Header

DF51K-5P-2DSA(800)
Hirose Connector
1: $0.816
733In Stock
1,300Expected 25/8/2026

Mfr. Part No.
DF51K-5P-2DSA(800)

Mouser Part No
798-DF51K-5P-2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 5pos Straight Header

Learn More

Datasheet

733In Stock

1,300Expected 25/8/2026

$0.816

$0.69

$0.585

$0.522

View

Min.: 1
Mult.: 1

Headers

Shrouded

5 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Straight

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 5pos Straight Header

DF51K-5P-2DSA(805)
Hirose Connector
1: $1.22
1,556In Stock
1,900Expected 14/8/2026

Mfr. Part No.
DF51K-5P-2DSA(805)

Mouser Part No
798-DF51K-5P-2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 5pos Straight Header

Learn More

Datasheet

1,556In Stock

1,900Expected 14/8/2026

$1.22

$1.04

$0.884

$0.789

View

Min.: 1
Mult.: 1

Headers

Shrouded

5 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Straight

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos Socket

DF51K-6DS-2C(800)
Hirose Connector
1: $0.49
2,160In Stock
22,000On Order

Mfr. Part No.
DF51K-6DS-2C(800)

Mouser Part No
798-DF51K-6DS-2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos Socket

Learn More

Datasheet

2,160In Stock

22,000On Order

$0.49

$0.42

$0.371

$0.321

View

Min.: 1
Mult.: 1

Headers

Socket

6 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Cable Mount / Free Hanging

Crimp

Socket (Female)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos RA Header

DF51K-6P-2DS(800)
Hirose Connector
1: $1.84
520In Stock
600Expected 18/8/2026

Mfr. Part No.
DF51K-6P-2DS(800)

Mouser Part No
798-DF51K-6P-2DS800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos RA Header

Learn More

Datasheet

520In Stock

600Expected 18/8/2026

$1.84

$1.55

$1.50

$1.40

View

Min.: 1
Mult.: 1

Headers

Shrouded

6 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Right Angle

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Tray

Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos RA Header

DF51K-6P-2DS(805)
Hirose Connector
1: $1.99
300In Stock

Mfr. Part No.
DF51K-6P-2DS(805)

Mouser Part No
798-DF51K-6P-2DS805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos RA Header

Learn More

Datasheet

300In Stock

$1.99

$1.70

$1.37

$1.36

View

Min.: 1
Mult.: 1

Headers

Shrouded

6 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Right Angle

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Tray

Headers & Wire Housings 2mm Pitch WtoB Conn 6pos Straight Header

DF51K-6P-2DSA(800)
Hirose Connector
1: $1.20
374In Stock
800Expected 8/12/2026

Mfr. Part No.
DF51K-6P-2DSA(800)

Mouser Part No
798-DF51K-6P-2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 6pos Straight Header

Learn More

Datasheet

374In Stock

800Expected 8/12/2026

$1.20

$1.03

$0.947

$0.853

View

Min.: 1
Mult.: 1

Headers

Shrouded

6 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Straight

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 6pos Straight Header

DF51K-6P-2DSA(805)
Hirose Connector
1: $1.63
373In Stock
600Expected 29/12/2026

Mfr. Part No.
DF51K-6P-2DSA(805)

Mouser Part No
798-DF51K-6P-2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 6pos Straight Header

Learn More

Datasheet

373In Stock

600Expected 29/12/2026

$1.63

$1.39

$1.32

$1.24

View

Min.: 1
Mult.: 1

Headers

Shrouded

6 Position

2 mm (0.079 in)

1 Row

Through Hole

Solder Pin

Straight

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 10 pos

DF51K-10DS-2C(800)
Hirose Connector
1: $0.517
5,858In Stock
23,900On Order

Mfr. Part No.
DF51K-10DS-2C(800)

Mouser Part No
798-DF51K10DS2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 10 pos

Learn More

Datasheet

5,858In Stock

23,900On Order

$0.517

$0.434

$0.381

$0.336

View

Min.: 1
Mult.: 1

Headers

Socket

10 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Cable Mount / Free Hanging

Crimp

Socket (Female)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 12 pos Straight Hder

DF51K-12DP-2DSA(800)
Hirose Connector
1: $0.952
6In Stock
4,700On Order

Mfr. Part No.
DF51K-12DP-2DSA(800)

Mouser Part No
798-DF51K12DP2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 12 pos Straight Hder

Learn More

Datasheet

6In Stock

4,700On Order

$0.952

$0.808

$0.685

$0.612

View

Min.: 1
Mult.: 1

Headers

Shrouded

12 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 16 pos Straight Hder

DF51K-16DP-2DSA(800)
Hirose Connector
1: $1.13
1,276In Stock

Mfr. Part No.
DF51K-16DP-2DSA(800)

Mouser Part No
798-DF51K16DP2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 16 pos Straight Hder

Learn More

Datasheet

1,276In Stock

$1.13

$0.955

$0.811

$0.724

View

Min.: 1
Mult.: 1

Headers

Shrouded

16 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 18 pos Straight Hder

DF51K-18DP-2DSA(805)
Hirose Connector
1: $2.43
154In Stock

Mfr. Part No.
DF51K-18DP-2DSA(805)

Mouser Part No
798-DF51K18DP2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 18 pos Straight Hder

Learn More

Datasheet

154In Stock

$2.43

$2.08

$1.75

$1.56

View

Min.: 1
Mult.: 1

Headers

Shrouded

18 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 20 pos Straight Hder

DF51K-20DP-2DSA(800)
Hirose Connector
1: $1.59
58In Stock
2,100Expected 2/2/2027

Mfr. Part No.
DF51K-20DP-2DSA(800)

Mouser Part No
798-DF51K20DP2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 20 pos Straight Hder

Learn More

Datasheet

58In Stock

2,100Expected 2/2/2027

$1.59

$1.35

$1.29

$1.10

View

Min.: 1
Mult.: 1

Headers

Shrouded

20 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 22 pos Straight Hder

DF51K-22DP-2DSA(805)
Hirose Connector
1: $2.88
474In Stock

Mfr. Part No.
DF51K-22DP-2DSA(805)

Mouser Part No
798-DF51K22DP2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 22 pos Straight Hder

Learn More

Datasheet

474In Stock

$2.88

$2.45

$2.12

$1.85

View

Min.: 1
Mult.: 1

Headers

Shrouded

22 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Contact gold plated

DF51K-2428SCA(800)
Hirose Connector
1: $0.435
11,383In Stock
28,500On Order

Mfr. Part No.
DF51K-2428SCA(800)

Mouser Part No
798-DF51K2428SCA800

Hirose Connector

Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Contact gold plated

Learn More

Datasheet

11,383In Stock

28,500On Order

$0.435

$0.373

$0.33

$0.284

View

Min.: 1
Mult.: 1

Contacts

Crimp

Socket (Female)

Gold

DF51K

SignalBee

Wire-to-Board

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 26 pos Straight Hder

DF51K-26DP-2DSA(800)
Hirose Connector
1: $1.59
102In Stock
500Expected 22/12/2026

Mfr. Part No.
DF51K-26DP-2DSA(800)

Mouser Part No
798-DF51K26DP2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 26 pos Straight Hder

Learn More

Datasheet

102In Stock

500Expected 22/12/2026

$1.59

$1.35

$1.15

$1.03

View

Min.: 1
Mult.: 1

Headers

Shrouded

26 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Tin

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 26 pos Straight Hder

DF51K-26DP-2DSA(805)
Hirose Connector
1: $3.56
333In Stock

Mfr. Part No.
DF51K-26DP-2DSA(805)

Mouser Part No
798-DF51K26DP2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 26 pos Straight Hder

Learn More

Datasheet

333In Stock

$3.56

$3.10

$2.98

$2.76

View

Min.: 1
Mult.: 1

Headers

Shrouded

26 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Through Hole

Solder Pin

Straight

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

DF51K 2mm Pitch Wire-to-Board Connectors

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