Headers & Wire Housings – Mouser Denmark

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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 5pos Straight Header

DF51K-5P-2DSA(800)
Hirose Connector
1: 3,85 kr.
1.800In Stock
1.300Expected 02/02/2027

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

1.800In Stock

1.300Expected 02/02/2027

3,85 kr.

3,25 kr.

2,76 kr.

2,46 kr.

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: 5,77 kr.
1.857In Stock
1.900Expected 02/02/2027

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

1.857In Stock

1.900Expected 02/02/2027

5,77 kr.

4,92 kr.

4,17 kr.

3,72 kr.

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 5 pos Socket

DF51K-5S-2C(800)
Hirose Connector
1: 1,60 kr.
648In Stock
5.000On Order

Mfr. Part No.
DF51K-5S-2C(800)

Mouser Part No
798-DF51K-5S-2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 5 pos Socket

Learn More

Datasheet

648In Stock

5.000On Order

1,60 kr.

1,35 kr.

1,21 kr.

1,14 kr.

View

Min.: 1
Mult.: 1

Wire Housings

Receptacle Housing

5 Position

2 mm (0.079 in)

1 Row

Cable Mount / Free Hanging

Straight

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Bulk

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

DF51K-6P-2DS(805)
Hirose Connector
1: 9,40 kr.
361In 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

361In Stock

9,40 kr.

8,06 kr.

6,48 kr.

6,42 kr.

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: 4,30 kr.
733In Stock

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

733In Stock

4,30 kr.

3,67 kr.

3,12 kr.

2,78 kr.

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: 6,29 kr.
83In Stock
700Expected 30/07/2026

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

83In Stock

700Expected 30/07/2026

6,29 kr.

5,32 kr.

4,51 kr.

4,03 kr.

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 WtoB Conn 8pos Straight Header

DF51K-8DP-2DSA(800)
Hirose Connector
1: 3,33 kr.
3.999In Stock

Mfr. Part No.
DF51K-8DP-2DSA(800)

Mouser Part No
798-DF51K-8DP2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 8pos Straight Header

Learn More

Datasheet

3.999In Stock

3,33 kr.

2,82 kr.

2,39 kr.

2,13 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

8 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, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 10 pos

DF51K-10DS-2C(800)
Hirose Connector
1: 1,80 kr.
3.825In Stock
4.100Expected 09/07/2026

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

3.825In Stock

4.100Expected 09/07/2026

1,80 kr.

1,50 kr.

1,34 kr.

1,27 kr.

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: 4,49 kr.
60In 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

60In Stock

4.700On Order

4,49 kr.

3,81 kr.

3,23 kr.

2,89 kr.

2,75 kr.

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: 5,33 kr.
1.465In 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

1.465In Stock

5,33 kr.

4,51 kr.

3,83 kr.

3,42 kr.

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 16 pos Straight Hder

DF51K-16DP-2DSA(805)
Hirose Connector
1: 10,22 kr.
7In Stock

Mfr. Part No.
DF51K-16DP-2DSA(805)

Mouser Part No
798-DF51K16DP2DSA805

Hirose Connector

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

Learn More

Datasheet

7In Stock

10,22 kr.

8,80 kr.

7,38 kr.

6,61 kr.

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)

Gold

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(800)
Hirose Connector
1: 5,65 kr.
267In Stock

Mfr. Part No.
DF51K-18DP-2DSA(800)

Mouser Part No
798-DF51K18DP2DSA800

Hirose Connector

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

Learn More

Datasheet

267In Stock

5,65 kr.

4,78 kr.

4,56 kr.

4,15 kr.

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)

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: 11,49 kr.
161In 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

161In Stock

11,49 kr.

10,74 kr.

10,29 kr.

9,47 kr.

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: 6,29 kr.
211In Stock
2.100Expected 02/02/2027

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

211In Stock

2.100Expected 02/02/2027

6,29 kr.

5,32 kr.

4,45 kr.

4,03 kr.

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 20 pos Straight Hder

DF51K-20DP-2DSA(805)
Hirose Connector
1: 12,23 kr.
22In Stock
300Expected 13/08/2026

Mfr. Part No.
DF51K-20DP-2DSA(805)

Mouser Part No
798-DF51K20DP2DSA805

Hirose Connector

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

Learn More

Datasheet

22In Stock

300Expected 13/08/2026

12,23 kr.

10,44 kr.

8,73 kr.

7,91 kr.

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)

Gold

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: 13,58 kr.
509In 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

509In Stock

13,58 kr.

11,56 kr.

9,77 kr.

9,47 kr.

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: 1,22 kr.
14.399In Stock
13.700Expected 13/10/2026

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

14.399In Stock

13.700Expected 13/10/2026

1,22 kr.

1,03 kr.

0,925 kr.

0,88 kr.

View

Min.: 1
Mult.: 1

Contacts

Crimp

Socket (Female)

Gold

DF51K

SignalBee

Wire-to-Board

Bulk

Headers & Wire Housings 2mm Pitch WtoB Conn 24 pos Straight Hder

DF51K-24DP-2DSA(805)
Hirose Connector
1: 14,47 kr.
11In Stock
300Expected 02/02/2027

Mfr. Part No.
DF51K-24DP-2DSA(805)

Mouser Part No
798-DF51K24DP2DSA805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 24 pos Straight Hder

Learn More

Datasheet

11In Stock

300Expected 02/02/2027

14,47 kr.

12,31 kr.

10,59 kr.

10,44 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

24 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 28 pos Straight Hder

DF51K-28DP-2DSA(800)
Hirose Connector
1: 8,06 kr.
611In Stock

Mfr. Part No.
DF51K-28DP-2DSA(800)

Mouser Part No
798-DF51K28DP2DSA800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 28 pos Straight Hder

Learn More

Datasheet

611In Stock

8,06 kr.

6,80 kr.

5,77 kr.

5,48 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

28 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, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 8 pos

DF51K-8DS-2C(800)
Hirose Connector
1: 1,60 kr.
3.604In Stock
4.800Expected 22/09/2026

Mfr. Part No.
DF51K-8DS-2C(800)

Mouser Part No
798-DF51K8DS2C800

Hirose Connector

Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 8 pos

Learn More

Datasheet

3.604In Stock

4.800Expected 22/09/2026

1,60 kr.

1,35 kr.

1,21 kr.

1,14 kr.

View

Min.: 1
Mult.: 1

Headers

Socket

8 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 2 pos RA Header

DF51KB-2P-2DS(805)
Hirose Connector
1: 5,84 kr.
1.773Expected 28/07/2026

Mfr. Part No.
DF51KB-2P-2DS(805)

Mouser Part No
798-DF51KB-2P-2DS805

Hirose Connector

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

Learn More

Datasheet

1.773Expected 28/07/2026

5,84 kr.

5,07 kr.

4,63 kr.

4,19 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

2 Position

2 mm (0.079 in)

1 Row

Mounting Peg

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 4 pos RA Header

DF51KB-4DP-2DS(805)
Hirose Connector
1: 5,65 kr.
1.419In Stock

Mfr. Part No.
DF51KB-4DP-2DS(805)

Mouser Part No
798-DF51KB-4DP2DS805

Hirose Connector

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

Learn More

Datasheet

1.419In Stock

5,65 kr.

4,78 kr.

4,56 kr.

3,67 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

4 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

Mounting Peg

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 6 pos RA Header

DF51KB-6DP-2DS(800)
Hirose Connector
1: 3,98 kr.
11In Stock
2.640Expected 02/02/2027

Mfr. Part No.
DF51KB-6DP-2DS(800)

Mouser Part No
798-DF51KB-6DP2DS800

Hirose Connector

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

Learn More

Datasheet

11In Stock

2.640Expected 02/02/2027

3,98 kr.

3,39 kr.

3,33 kr.

2,53 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

6 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

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 10 pos RA Header

DF51K-10DP-2DS(800)
Hirose Connector
1: 5,45 kr.
6.656On Order

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

Mouser Part No
798-DF51K-10DP2DS800

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 10 pos RA Header

Learn More

Datasheet

6.656On Order

5,45 kr.

4,64 kr.

3,72 kr.

3,67 kr.

View

Min.: 1
Mult.: 1

Headers

Shrouded

10 Position

2 mm (0.079 in)

2 Row

2 mm (0.079 in)

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 12 pos RA Header

DF51K-12DP-2DS(805)
Hirose Connector
1: 11,94 kr.
1.566On Order

Mfr. Part No.
DF51K-12DP-2DS(805)

Mouser Part No
798-DF51K-12DP2DS805

Hirose Connector

Headers & Wire Housings 2mm Pitch WtoB Conn 12 pos RA Header

Learn More

Datasheet

1.566On Order

11,94 kr.

10,22 kr.

8,28 kr.

8,21 kr.

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

Right Angle

Pin (Male)

Gold

3 mm (0.118 in)

DF51K

SignalBee

Wire-to-Board

- 55 C

+ 105 C

Tray

DF51K 2mm Pitch Wire-to-Board Connectors

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