Board to Board & Mezzanine Connectors

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FunctionMAX™ Board-to-Board Connectors

Hirose Electric FunctionMAX™ Board-to-Board Connectors provide a high level of functionality for floating and high-speed connectors. The connectors offer 2 to 280 positions with 1 to 4 rows and pitch options of 0.55, 0.6mm, 0.8mm, and 3.81mm. FunctionMAX industrial connectors are designed for advanced devices and systems and ensure superior performance in various environments.

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Part #

Board to Board & Mezzanine Connectors 80P 0.5MM PITCH, STR HDR 15MM HT

FX20-80P-0.5SV15
Hirose Connector
1: $5.71
101In Stock
120Expected 2026/03/18

Mfr. Part No.
FX20-80P-0.5SV15

Mouser Part No
798-FX2080P05SV15

Hirose Connector

Board to Board & Mezzanine Connectors 80P 0.5MM PITCH, STR HDR 15MM HT

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Datasheet

101In Stock

120Expected 2026/03/18

$5.71

$4.85

$4.55

$4.28

View

Min.: 1
Mult.: 1

Headers

80 Position

0.5 mm (0.02 in)

Solder

Straight

15 mm

500 mA

50 VAC

- 55 C

+ 85 C

Gold

Copper Alloy

Polyamide (PA)

FX20

Tray

Board to Board & Mezzanine Connectors 80P 0.5MM PITCH, STR RECEPT 10MM HT

FX20-80S-0.5SV10
Hirose Connector
1: $5.92
153In Stock

Mfr. Part No.
FX20-80S-0.5SV10

Mouser Part No
798-FX2080S05SV10

Hirose Connector

Board to Board & Mezzanine Connectors 80P 0.5MM PITCH, STR RECEPT 10MM HT

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Datasheet

153In Stock

$5.92

$5.04

$5.02

$3.95

View

Min.: 1
Mult.: 1

Receptacles

80 Position

0.5 mm (0.02 in)

Solder

Straight

25 mm

500 mA

50 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX20

Tray

Board to Board & Mezzanine Connectors Coplanar Mtg Conctr Header 50 pos

FX22-50P-0.5SH
Hirose Connector
1: $2.94
547In Stock

Mfr. Part No.
FX22-50P-0.5SH

Mouser Part No
798-FX22-50P-0.5SH

Hirose Connector

Board to Board & Mezzanine Connectors Coplanar Mtg Conctr Header 50 pos

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Datasheet

547In Stock

Cut Tape

$2.94

$2.50

$2.24

$2.13

Reel

$1.99

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Headers

50 Position

0.5 mm (0.02 in)

1 Row

Solder

Right Angle

700 mA

50 V

- 55 C

+ 85 C

Gold

Copper Alloy

FX22

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors Coplanar Mtg Conctr Header 60 pos

FX22-60P-0.5SH
Hirose Connector
1: $3.22
650In Stock

Mfr. Part No.
FX22-60P-0.5SH

Mouser Part No
798-FX22-60P-0.5SH

Hirose Connector

Board to Board & Mezzanine Connectors Coplanar Mtg Conctr Header 60 pos

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Datasheet

650In Stock

Cut Tape

$3.22

$2.74

$2.45

$2.33

Reel

$2.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Headers

60 Position

0.5 mm (0.02 in)

1 Row

Solder

Right Angle

700 mA

50 V

- 55 C

+ 85 C

Gold

Copper Alloy

FX22

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 2P B2B PWR CON R/A HDR T/H

FX30B-2P-3.81DS
Hirose Connector
1: $5.48
43In Stock

Mfr. Part No.
FX30B-2P-3.81DS

Mouser Part No
798-FX30B-2P-3.81DS

Hirose Connector

Board to Board & Mezzanine Connectors 2P B2B PWR CON R/A HDR T/H

Learn More

Datasheet

43In Stock

$5.48

$4.34

$4.33

$3.92

View

Min.: 1
Mult.: 1

Plugs

2 Position

3.81 mm (0.15 in)

1 Row

Solder

Right Angle

20 mm, 25 mm, 30 mm

23 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 2P B2B PWR CON STRT HDR 25MM H T/H

FX30B-2P-3.81DSA25
Hirose Connector
1: $4.09
147In Stock

Mfr. Part No.
FX30B-2P-3.81DSA25

Mouser Part No
798-FX30B-2P381DSA25

Hirose Connector

Board to Board & Mezzanine Connectors 2P B2B PWR CON STRT HDR 25MM H T/H

Learn More

Datasheet

147In Stock

$4.09

$3.86

$3.45

$3.19

View

Min.: 1
Mult.: 1

Plugs

2 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

25 mm

23 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 2P B2B PWR CON STRT RCPT T/H

FX30B-2S-3.81DSA
Hirose Connector
1: $3.95
100In Stock

Mfr. Part No.
FX30B-2S-3.81DSA

Mouser Part No
798-FX30B-2S-3.81DSA

Hirose Connector

Board to Board & Mezzanine Connectors 2P B2B PWR CON STRT RCPT T/H

Learn More

Datasheet

100In Stock

$3.95

$3.93

$3.01

$2.77

View

Min.: 1
Mult.: 1

Receptacles

2 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

20 mm, 25 mm, 30 mm

23 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 3P B2B PWR CON STRT RCPT T/H

FX30B-3S-3.81DSA
Hirose Connector
1: $4.48
144In Stock

Mfr. Part No.
FX30B-3S-3.81DSA

Mouser Part No
798-FX30B-3S-3.81DSA

Hirose Connector

Board to Board & Mezzanine Connectors 3P B2B PWR CON STRT RCPT T/H

Learn More

Datasheet

144In Stock

$4.48

$3.45

$3.44

$3.17

View

Min.: 1
Mult.: 1

Receptacles

3 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

20 mm, 25 mm, 30 mm

22 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 4P B2B PWR CON R/A HDR T/H

FX30B-4P-3.81DS
Hirose Connector
1: $6.69
69In Stock

Mfr. Part No.
FX30B-4P-3.81DS

Mouser Part No
798-FX30B-4P-3.81DS

Hirose Connector

Board to Board & Mezzanine Connectors 4P B2B PWR CON R/A HDR T/H

Learn More

Datasheet

69In Stock

$6.69

$6.41

$6.26

$6.09

View

Min.: 1
Mult.: 1

Plugs

4 Position

3.81 mm (0.15 in)

1 Row

Solder

Right Angle

20 mm, 25 mm, 30 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 4P B2B PWR CON STRT HDR 25MM H T/H

FX30B-4P-3.81DSA25
Hirose Connector
1: $4.98
101In Stock

Mfr. Part No.
FX30B-4P-3.81DSA25

Mouser Part No
798-FX30B-4P381DSA25

Hirose Connector

Board to Board & Mezzanine Connectors 4P B2B PWR CON STRT HDR 25MM H T/H

Learn More

Datasheet

101In Stock

$4.98

$3.88

$3.87

$3.58

View

Min.: 1
Mult.: 1

Plugs

4 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

25 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 4P B2B PWR CON STRT HDR 30MM H T/H

FX30B-4P-3.81DSA30
Hirose Connector
1: $5.18
36In Stock

Mfr. Part No.
FX30B-4P-3.81DSA30

Mouser Part No
798-FX30B-4P381DSA30

Hirose Connector

Board to Board & Mezzanine Connectors 4P B2B PWR CON STRT HDR 30MM H T/H

Learn More

Datasheet

36In Stock

$5.18

$4.04

$4.02

$3.72

View

Min.: 1
Mult.: 1

Plugs

4 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

30 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30

Tray

Board to Board & Mezzanine Connectors 4P B2B PWR CON R/A HDR T/H

FX30B-4S-3.81DS
Hirose Connector
1: $5.29
27In Stock
690On Order

Mfr. Part No.
FX30B-4S-3.81DS

Mouser Part No
798-FX30B-4S-3.81DS

Hirose Connector

Board to Board & Mezzanine Connectors 4P B2B PWR CON R/A HDR T/H

Learn More

Datasheet

27In Stock

690On Order

$5.29

$4.18

$4.16

$3.77

View

Min.: 1
Mult.: 1

Receptacles

4 Position

3.81 mm (0.15 in)

1 Row

Solder

Right Angle

20 mm, 25 mm, 30 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 4P B2B PWR CON STRT RCPT T/H

FX30B-4S-3.81DSA
Hirose Connector
1: $4.90
313In Stock

Mfr. Part No.
FX30B-4S-3.81DSA

Mouser Part No
798-FX30B-4S-3.81DSA

Hirose Connector

Board to Board & Mezzanine Connectors 4P B2B PWR CON STRT RCPT T/H

Learn More

Datasheet

313In Stock

$4.90

$4.58

$4.55

$4.23

View

Min.: 1
Mult.: 1

Receptacles

4 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

20 mm, 25 mm, 30 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 5P B2B PWR CON R/A HDR T/H

FX30B-5P-3.81DS
Hirose Connector
1: $7.41
3In Stock
60Expected 2026/03/05

Mfr. Part No.
FX30B-5P-3.81DS

Mouser Part No
798-FX30B-5P-3.81DS

Hirose Connector

Board to Board & Mezzanine Connectors 5P B2B PWR CON R/A HDR T/H

Learn More

Datasheet

3In Stock

60Expected 2026/03/05

$7.41

$6.00

$5.99

$5.35

View

Min.: 1
Mult.: 1

Plugs

5 Position

3.81 mm (0.15 in)

1 Row

Solder

Right Angle

20 mm, 25 mm, 30 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 5P B2B PWR CON STRT HDR 20MM H T/H

FX30B-5P-3.81DSA20
Hirose Connector
1: $5.18
72In Stock

Mfr. Part No.
FX30B-5P-3.81DSA20

Mouser Part No
798-FX30B-5P381DSA20

Hirose Connector

Board to Board & Mezzanine Connectors 5P B2B PWR CON STRT HDR 20MM H T/H

Learn More

Datasheet

72In Stock

$5.18

$4.04

$4.02

$3.72

View

Min.: 1
Mult.: 1

Plugs

5 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

20 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 5P B2B PWR CON R/A HDR T/H

FX30B-5S-3.81DS
Hirose Connector
1: $5.99
86In Stock

Mfr. Part No.
FX30B-5S-3.81DS

Mouser Part No
798-FX30B-5S-3.81DS

Hirose Connector

Board to Board & Mezzanine Connectors 5P B2B PWR CON R/A HDR T/H

Learn More

Datasheet

86In Stock

$5.99

$5.93

$4.77

$4.33

View

Min.: 1
Mult.: 1

Receptacles

5 Position

3.81 mm (0.15 in)

1 Row

Solder

Right Angle

20 mm, 25 mm, 30 mm

20 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors HDR 100 POS 0.6mm Solder ST SMD

FX8-100P-SV(91)
Hirose Connector
1: $4.06
322In Stock

Mfr. Part No.
FX8-100P-SV(91)

Mouser Part No
798-FX8-100P-SV91

Hirose Connector

Board to Board & Mezzanine Connectors HDR 100 POS 0.6mm Solder ST SMD

Learn More

Datasheet

322In Stock

$4.06

$3.37

$3.05

$2.90

View

Min.: 1
Mult.: 1

Headers

100 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8

Tube

Board to Board & Mezzanine Connectors RCP 140 POS 0.6mm Solder ST SMD Tray

FX8-140S-SV
Hirose Connector
1: $5.87
155In Stock

Mfr. Part No.
FX8-140S-SV

Mouser Part No
798-FX8-140S-SV

Hirose Connector

Board to Board & Mezzanine Connectors RCP 140 POS 0.6mm Solder ST SMD Tray

Learn More

Datasheet

155In Stock

$5.87

$4.99

$4.68

$4.26

View

Min.: 1
Mult.: 1

Receptacles

140 Position

0.6 mm (0.024 in)

Solder

Straight

400 mA

100 V

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8

Tray

Board to Board & Mezzanine Connectors RCP 60 POS 0.6mm Solder ST SMD Tube

FX8-60S-SV(21)
Hirose Connector
1: $3.50
153In Stock

Mfr. Part No.
FX8-60S-SV(21)

Mouser Part No
798-FX8-60S-SV21

Hirose Connector

Board to Board & Mezzanine Connectors RCP 60 POS 0.6mm Solder ST SMD Tube

Learn More

Datasheet

153In Stock

$3.50

$2.83

$2.61

$2.52

View

Min.: 1
Mult.: 1

Receptacles

60 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8

Tray

Board to Board & Mezzanine Connectors RCP 80 POS 0.6mm Solder ST SMD Tube

FX8-80S-SV(21)
Hirose Connector
1: $3.51
93In Stock
119Expected 2026/03/18

Mfr. Part No.
FX8-80S-SV(21)

Mouser Part No
798-FX8-80S-SV21

Hirose Connector

Board to Board & Mezzanine Connectors RCP 80 POS 0.6mm Solder ST SMD Tube

Learn More

Datasheet

93In Stock

119Expected 2026/03/18

$3.51

$2.87

$2.65

$2.52

View

Min.: 1
Mult.: 1

Receptacles

80 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Polyphenylene Sulfide (PPS)

FX8

Tube

Board to Board & Mezzanine Connectors 100P STRT SMT HEADER BOARD VERTICAL TYPE

FX8-100P-SV1(71)
Hirose Connector
1: $4.54
144In Stock

Mfr. Part No.
FX8-100P-SV1(71)

Mouser Part No
798-FX8100PSV171

Hirose Connector

Board to Board & Mezzanine Connectors 100P STRT SMT HEADER BOARD VERTICAL TYPE

Learn More

Datasheet

144In Stock

$4.54

$4.18

$3.47

$2.83

View

Min.: 1
Mult.: 1

Headers

100 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8

Tray

Board to Board & Mezzanine Connectors HDR 100POS .6MM GOLD SMT

FX8C-100P-SV6(91)
Hirose Connector
1: $5.11
13In Stock

Mfr. Part No.
FX8C-100P-SV6(91)

Mouser Part No
798-FX8C100PSV691

Hirose Connector

Board to Board & Mezzanine Connectors HDR 100POS .6MM GOLD SMT

Learn More

Datasheet

13In Stock

$5.11

$5.09

$4.04

$3.84

View

Min.: 1
Mult.: 1

Headers

100 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8C

Tube

Board to Board & Mezzanine Connectors HDR 100POS .6MM GOLD SMT

FX8C-100P-SV(91)
Hirose Connector
1: $5.29
45In Stock
112Expected 2026/03/25

Mfr. Part No.
FX8C-100P-SV(91)

Mouser Part No
798-FX8C100PSV91

Hirose Connector

Board to Board & Mezzanine Connectors HDR 100POS .6MM GOLD SMT

Learn More

Datasheet

45In Stock

112Expected 2026/03/25

$5.29

$4.40

$4.18

$3.98

View

Min.: 1
Mult.: 1

Headers

100 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8C

Tube

Board to Board & Mezzanine Connectors 100P RECPT 0.6MM SMT GLD

FX8C-100S-SV5(71)
Hirose Connector
1: $5.71
195In Stock

Mfr. Part No.
FX8C-100S-SV5(71)

Mouser Part No
798-FX8C100SSV571

Hirose Connector

Board to Board & Mezzanine Connectors 100P RECPT 0.6MM SMT GLD

Learn More

Datasheet

195In Stock

$5.71

$4.85

$4.55

$4.33

View

Min.: 1
Mult.: 1

Receptacles

100 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8C

Tray

Board to Board & Mezzanine Connectors REC 100POS .6MM GOLD SMT

FX8C-100S-SV5(91)
Hirose Connector
1: $5.71
320In Stock

Mfr. Part No.
FX8C-100S-SV5(91)

Mouser Part No
798-FX8C100SSV591

Hirose Connector

Board to Board & Mezzanine Connectors REC 100POS .6MM GOLD SMT

Learn More

Datasheet

320In Stock

$5.71

$4.75

$4.50

$4.29

View

Min.: 1
Mult.: 1

Receptacles

100 Position

0.6 mm (0.024 in)

Solder

Vertical

400 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyphenylene Sulfide (PPS)

FX8C

Tube

FunctionMAX™ Board-to-Board Connectors

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