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 HDR 80POS W/POST SMT

FX10A-80P/8-SV(71)
Hirose Connector
1: Rp114.296
320Expected 29/04/2026

Mfr. Part No.
FX10A-80P/8-SV(71)

Mouser Part No
798-FX10A80P8SV71

Hirose Connector

Board to Board & Mezzanine Connectors HDR 80POS W/POST SMT

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Datasheet

320Expected 29/04/2026

Rp114.296

Rp104.022

Rp97.601

Rp89.895

View

Min.: 1
Mult.: 1

Headers

80 Position

0.5 mm (0.02 in)

Solder

Straight

300 mA

50 VAC

15 Gbps

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors REC 100POS W/O POST SMT

FX10B-100S/10-SV(71)
Hirose Connector
1: Rp104.756
117In Stock

Mfr. Part No.
FX10B-100S/10-SV(71)

Mouser Part No
798-FX10B100S10SV71

Hirose Connector

Board to Board & Mezzanine Connectors REC 100POS W/O POST SMT

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Datasheet

117In Stock

Rp104.756

Rp88.978

Rp83.474

Rp78.337

View

Min.: 1
Mult.: 1

Receptacles

100 Position

0.5 mm (0.02 in)

2 Row

Solder

Vertical

4 mm

300 mA

50 V

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors HDR 120POS W/O POST SMT

FX10B-120P-SV1(71)
Hirose Connector
1: Rp95.766
13In Stock

Mfr. Part No.
FX10B-120P-SV1(71)

Mouser Part No
798-FX10B120PSV171

Hirose Connector

Board to Board & Mezzanine Connectors HDR 120POS W/O POST SMT

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Datasheet

13In Stock

Rp95.766

Rp81.456

Rp76.319

Rp71.549

View

Min.: 1
Mult.: 1

Headers

120 Position

0.5 mm (0.02 in)

2 Row

Solder

Vertical

5 mm

300 mA

50 V

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors REC 120POS W/O POST SMT

FX10B-120S-SV
Hirose Connector
1: Rp90.996
80In Stock

Mfr. Part No.
FX10B-120S-SV

Mouser Part No
798-FX10B120SSV

Hirose Connector

Board to Board & Mezzanine Connectors REC 120POS W/O POST SMT

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Datasheet

80In Stock

Rp90.996

Rp75.769

Rp65.495

Rp62.009

View

Min.: 1
Mult.: 1

Receptacles

120 Position

0.5 mm (0.02 in)

Solder

Straight

300 mA

50 VAC

15 Gbps

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors REC 144POS W/O POST SMT

FX10B-144S-SV
Hirose Connector
1: Rp101.270
17In Stock

Mfr. Part No.
FX10B-144S-SV

Mouser Part No
798-FX10B144SSV

Hirose Connector

Board to Board & Mezzanine Connectors REC 144POS W/O POST SMT

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Datasheet

17In Stock

Rp101.270

Rp86.226

Rp80.722

Rp75.769

View

Min.: 1
Mult.: 1

Receptacles

144 Position

0.5 mm (0.02 in)

Solder

Straight

300 mA

50 VAC

15 Gbps

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors HDR 168POS W/O POST SMT

FX10B-168P-SV(71)
Hirose Connector
1: Rp112.828
84In Stock

Mfr. Part No.
FX10B-168P-SV(71)

Mouser Part No
798-FX10B168PSV71

Hirose Connector

Board to Board & Mezzanine Connectors HDR 168POS W/O POST SMT

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Datasheet

84In Stock

Rp112.828

Rp95.950

Rp89.895

Rp85.492

View

Min.: 1
Mult.: 1

Headers

168 Position

0.5 mm (0.02 in)

Solder

Straight

300 mA

50 VAC

15 Gbps

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors REC 168POS W/O POST SMT

FX10B-168S-SV
Hirose Connector
1: Rp104.756
32In Stock

Mfr. Part No.
FX10B-168S-SV

Mouser Part No
798-FX10B168SSV

Hirose Connector

Board to Board & Mezzanine Connectors REC 168POS W/O POST SMT

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Datasheet

32In Stock

Rp104.756

Rp88.244

Rp82.190

Rp77.971

View

Min.: 1
Mult.: 1

Receptacles

168 Position

0.5 mm (0.02 in)

Solder

Straight

300 mA

50 VAC

15 Gbps

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX10

Tray

Board to Board & Mezzanine Connectors 0.8MM 120P RCPT R/A SMT

FX18-120S-0.8SH
Hirose Connector
1: Rp116.864
55In Stock

Mfr. Part No.
FX18-120S-0.8SH

Mouser Part No
798-FX18-120S-0.8SH

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 120P RCPT R/A SMT

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Datasheet

55In Stock

Rp116.864

Rp99.252

Rp94.298

Rp85.676

View

Min.: 1
Mult.: 1

Receptacles

120 Position

0.8 mm (0.031 in)

Solder

Right Angle

500 mA, 3 A

100 VAC

10 Gbps

- 55 C

+ 80 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Tray

Board to Board & Mezzanine Connectors Straight Rcpt 140P Stacking SV10 Type

FX18-140S-0.8SV10
Hirose Connector
1: Rp154.290
95In Stock
120Expected 24/06/2026

Mfr. Part No.
FX18-140S-0.8SV10

Mouser Part No
798-FX18-140S0.8SV10

Hirose Connector

Board to Board & Mezzanine Connectors Straight Rcpt 140P Stacking SV10 Type

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Datasheet

95In Stock

120Expected 24/06/2026

Rp154.290

Rp139.613

Rp128.789

Rp102.004

View

Min.: 1
Mult.: 1

Receptacles

140 Position

0.8 mm (0.031 in)

Solder

Straight

10 mm

500 mA, 3 A

100 VAC

10 Gbps

- 55 C

+ 80 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Tray

Board to Board & Mezzanine Connectors 0.8MM 40P RCPT R/A SMT

FX18-40S-0.8SH(11)
Hirose Connector
1: Rp86.043
2In Stock

Mfr. Part No.
FX18-40S-0.8SH(11)

Mouser Part No
798-FX18-40S-0.8SH11

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 40P RCPT R/A SMT

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Datasheet

2In Stock

Cut Tape

Rp86.043

Rp70.265

Rp64.761

Rp60.909

Reel

Rp57.056

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

Receptacles

40 Position

0.8 mm (0.031 in)

Solder

Right Angle

500 mA, 3 A

100 VAC

10 Gbps

- 55 C

+ 80 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 0.8MM 60P HDR R/A SMT

FX18-60P-0.8SH(11)
Hirose Connector
1: Rp111.177
48In Stock

Mfr. Part No.
FX18-60P-0.8SH(11)

Mouser Part No
798-FX18-60P-0.8SH11

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 60P HDR R/A SMT

Learn More

Datasheet

48In Stock

Cut Tape

Rp111.177

Rp100.536

Rp96.683

Rp81.273

Reel

Rp68.981

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 300

Headers

60 Position

0.8 mm (0.031 in)

2 Row

Solder

Right Angle

500 mA

100 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 0.8MM 60P HDR VERT SMT

FX18-60P-0.8SV(11)
Hirose Connector
1: Rp105.490
362In Stock

Mfr. Part No.
FX18-60P-0.8SV(11)

Mouser Part No
798-FX18-60P-0.8SV11

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 60P HDR VERT SMT

Learn More

Datasheet

362In Stock

Cut Tape

Rp105.490

Rp95.950

Rp90.996

Rp88.795

Reel

Rp62.009

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

FX18

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 0.8MM 100P RCPT STRT SMT 15 HGT

FX18-100S-0.8SV15
Hirose Connector
1: Rp130.440
49In Stock

Mfr. Part No.
FX18-100S-0.8SV15

Mouser Part No
798-FX18100S08SV15

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 100P RCPT STRT SMT 15 HGT

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Datasheet

49In Stock

Rp130.440

Rp110.993

Rp95.583

Rp92.831

View

Min.: 1
Mult.: 1

Receptacles

100 Position

0.8 mm (0.031 in)

Solder

Straight

15 mm

500 mA, 3 A

100 VAC

10 Gbps

- 55 C

+ 80 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Tray

Board to Board & Mezzanine Connectors 0.8MM 60P RCPT VERT SMT SV20 TYPE

FX18-60S-0.8SV20
Hirose Connector
1: Rp150.254
81In Stock

Mfr. Part No.
FX18-60S-0.8SV20

Mouser Part No
798-FX1860S08SV20

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 60P RCPT VERT SMT SV20 TYPE

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Datasheet

81In Stock

Rp150.254

Rp127.688

Rp119.799

Rp112.461

View

Min.: 1
Mult.: 1

Receptacles

60 Position

0.8 mm (0.031 in)

Solder

Straight

20 mm

500 mA, 3 A

100 VAC

10 Gbps

- 55 C

+ 80 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Tray

Board to Board & Mezzanine Connectors 0.8MM 80P RCPT VERT SMT SV20 TYPE

FX18-80S-0.8SV20
Hirose Connector
1: Rp126.220
176In Stock

Mfr. Part No.
FX18-80S-0.8SV20

Mouser Part No
798-FX1880S08SV20

Hirose Connector

Board to Board & Mezzanine Connectors 0.8MM 80P RCPT VERT SMT SV20 TYPE

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Datasheet

176In Stock

Rp126.220

Rp107.324

Rp100.536

Rp95.583

View

Min.: 1
Mult.: 1

Receptacles

80 Position

0.8 mm (0.031 in)

Solder

Straight

20 mm

500 mA, 3 A

100 VAC

10 Gbps

- 55 C

+ 80 C

Gold

Phosphor Bronze

Polyamide (PA)

FX18

Tray

Board to Board & Mezzanine Connectors 60P 0.5MM PITCH, STR RECEPT DOUBLE BEAM

FX20-60S-0.5SV10
Hirose Connector
1: Rp107.324
9In Stock
140Expected 24/06/2026

Mfr. Part No.
FX20-60S-0.5SV10

Mouser Part No
798-FX20-60S0.5SV10

Hirose Connector

Board to Board & Mezzanine Connectors 60P 0.5MM PITCH, STR RECEPT DOUBLE BEAM

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Datasheet

9In Stock

140Expected 24/06/2026

Rp107.324

Rp91.363

Rp85.492

Rp79.622

View

Min.: 1
Mult.: 1

Receptacles

60 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 120P 0.5MM PITCH R/A RECEPT 20MM HT

FX20-120S-0.5SH
Hirose Connector
1: Rp140.714
102In Stock

Mfr. Part No.
FX20-120S-0.5SH

Mouser Part No
798-FX20120S05SH

Hirose Connector

Board to Board & Mezzanine Connectors 120P 0.5MM PITCH R/A RECEPT 20MM HT

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Datasheet

102In Stock

Rp140.714

Rp134.476

Rp126.771

Rp123.469

View

Min.: 1
Mult.: 1

Receptacles

120 Position

0.5 mm (0.02 in)

Solder

Right Angle

500 mA

50 VAC

- 55 C

+ 85 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

FX20

Tray

Board to Board & Mezzanine Connectors 80P 0.5MM PITCH, STR HDR 20MM HT

FX20-80P-0.5SV20
Hirose Connector
1: Rp101.637
45In Stock

Mfr. Part No.
FX20-80P-0.5SV20

Mouser Part No
798-FX2080P05SV20

Hirose Connector

Board to Board & Mezzanine Connectors 80P 0.5MM PITCH, STR HDR 20MM HT

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Datasheet

45In Stock

Rp101.637

Rp86.410

Rp81.089

Rp76.136

View

Min.: 1
Mult.: 1

Headers

80 Position

0.5 mm (0.02 in)

Solder

Straight

20 mm

500 mA

50 VAC

- 55 C

+ 85 C

Gold

Copper Alloy

Polyamide (PA)

FX20

Tray

Board to Board & Mezzanine Connectors 2P B2B PWR CON STRT HDR 20MM H T/H

FX30B-2P-3.81DSA20
Hirose Connector
1: Rp81.273
485In Stock

Mfr. Part No.
FX30B-2P-3.81DSA20

Mouser Part No
798-FX30B-2P381DSA20

Hirose Connector

Board to Board & Mezzanine Connectors 2P B2B PWR CON STRT HDR 20MM H T/H

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Datasheet

485In Stock

Rp81.273

Rp73.934

Rp70.082

Rp68.431

View

Min.: 1
Mult.: 1

Plugs

2 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

20 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 R/A HDR T/H

FX30B-2S-3.81DS
Hirose Connector
1: Rp69.348
2In Stock
350On Order

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

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

Hirose Connector

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

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Datasheet

2In Stock

350On Order

Rp69.348

Rp68.798

Rp54.121

Rp53.937

View

Min.: 1
Mult.: 1

Receptacles

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)

FX30

Tray

Board to Board & Mezzanine Connectors 3P B2B PWR CON R/A HDR T/H

FX30B-3P-3.81DS
Hirose Connector
1: Rp112.278
81In Stock

Mfr. Part No.
FX30B-3P-3.81DS

Mouser Part No
798-FX30B-3P-3.81DS

Hirose Connector

Board to Board & Mezzanine Connectors 3P B2B PWR CON R/A HDR T/H

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Datasheet

81In Stock

Rp112.278

Rp89.712

Rp89.528

Rp79.989

View

Min.: 1
Mult.: 1

Plugs

3 Position

3.81 mm (0.15 in)

1 Row

Right Angle

10 A

FX30

Tray

Board to Board & Mezzanine Connectors 3P B2B PWR CON STRT HDR 25MM H T/H

FX30B-3P-3.81DSA25
Hirose Connector
1: Rp83.291
44In Stock

Mfr. Part No.
FX30B-3P-3.81DSA25

Mouser Part No
798-FX30B-3P381DSA25

Hirose Connector

Board to Board & Mezzanine Connectors 3P B2B PWR CON STRT HDR 25MM H T/H

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Datasheet

44In Stock

Rp83.291

Rp78.154

Rp69.898

Rp54.121

View

Min.: 1
Mult.: 1

Plugs

3 Position

3.81 mm (0.15 in)

1 Row

Solder

Straight

25 mm

22 A

250 V

- 55 C

+ 105 C

Gold

Copper Alloy

Polyamide (PA)

FX30B

Tray

Board to Board & Mezzanine Connectors 3P B2B PWR CON R/A HDR T/H

FX30B-3S-3.81DS
Hirose Connector
1: Rp86.043
86In Stock

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

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

Hirose Connector

Board to Board & Mezzanine Connectors 3P B2B PWR CON R/A HDR T/H

Learn More

Datasheet

86In Stock

Rp86.043

Rp81.273

Rp79.622

Rp61.276

View

Min.: 1
Mult.: 1

Receptacles

3 Position

3.81 mm (0.15 in)

1 Row

Solder

Right Angle

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 5P B2B PWR CON STRT HDR 25MM H T/H

FX30B-5P-3.81DSA25
Hirose Connector
1: Rp97.050
2In Stock
105Expected 06/05/2026

Mfr. Part No.
FX30B-5P-3.81DSA25

Mouser Part No
798-FX30B-5P381DSA25

Hirose Connector

Board to Board & Mezzanine Connectors 5P B2B PWR CON STRT HDR 25MM H T/H

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Datasheet

2In Stock

105Expected 06/05/2026

Rp97.050

Rp96.867

Rp93.932

Rp75.402

View

Min.: 1
Mult.: 1

Plugs

5 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 HDR 60 POS 0.6mm Solder ST SMD

FX8-60P-SV(91)
Hirose Connector
1: Rp56.322
532In Stock

Mfr. Part No.
FX8-60P-SV(91)

Mouser Part No
798-FX8-60P-SV91

Hirose Connector

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

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Datasheet

532In Stock

Rp56.322

Rp54.304

Rp51.369

Rp50.085

View

Min.: 1
Mult.: 1

Headers

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

Tube

FunctionMAX™ Board-to-Board Connectors

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