Board to Board & Mezzanine Connectors

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2mm B2B SIL/DIL Sockets & Headers

GCT 2mm B2B SIL/DIL Sockets & Headers offer a 2A current rating, 20mΩ contact resistance, and 500V_AC dielectric withstanding voltage. These SIL/DIL sockets feature 2mm pitch, a single-row design, straight orientation, and carry 2 to 40 contacts. The BF085 has a top-entry design and through-hole PCB mounting type, while the BF090 is a surface-mount PCB type with dual-entry construction. GCT 2mm B2B SIL Sockets operate in the -40°C to +105°C temperature range.

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Part #

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, Tube

BF100-06-A-C-0-0625-N-D
GCT
1: $0.52
900In Stock

Mfr. Part No.
BF100-06-A-C-0-0625-N-D

Mouser Part No
640-BF100-06AC625ND

GCT

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, Tube

Learn More

Datasheet

900In Stock

$0.52

$0.448

$0.42

$0.356

View

Min.: 1
Mult.: 1

BF100

Tube

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, SIL, TH, Vert, GF, Tube

BF085-10-A-0240-N-D
GCT
1: $1.02
2,103In Stock

Mfr. Part No.
BF085-10-A-0240-N-D

Mouser Part No
640-BF08510A0240ND

GCT

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,103In Stock

$1.02

$0.863

$0.733

$0.654

View

Min.: 1
Mult.: 1

Headers

10 Position

2 mm (0.079 in)

1 Row

Solder

Straight

2 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Nylon

BF085

Tube

Board to Board & Mezzanine Connectors 10w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F

BF121-10-A-0-L-C
GCT
1: $0.86
4,190In Stock

Mfr. Part No.
BF121-10-A-0-L-C

Mouser Part No
640-BF12110A0LC

GCT

Board to Board & Mezzanine Connectors 10w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F

Learn More

Datasheet

4,190In Stock

Cut Tape

$0.86

$0.73

$0.62

$0.554

Reel

$0.478

View

Min.: 1
Mult.: 1

: 1,500

BF121

Reel, Cut Tape

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Pin Hdr, DIL, SMT, Horiz, GF, T+R+F

BF135-20-A-0400-0700-0400-L-C
GCT
1: $0.97
3,680In Stock

Mfr. Part No.
BF135-20-A-0400-0700-0400-L-C

Mouser Part No
640-BF13520A040704LC

GCT

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Pin Hdr, DIL, SMT, Horiz, GF, T+R+F

Learn More

Datasheet

3,680In Stock

Cut Tape

$0.97

$0.827

$0.703

$0.61

Reel

$0.564

View

Min.: 1
Mult.: 1

: 750

BF135

Reel, Cut Tape

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, W/Peg, GF, T+R+C

BF030-10A-B1-0200-0277-0600-LB
GCT
1: $0.48
3,494In Stock

Mfr. Part No.
BF030-10A-B1-0200-0277-0600-LB

Mouser Part No
640-BF03010AB10202LB

GCT

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, W/Peg, GF, T+R+C

Learn More

Datasheet

3,494In Stock

Cut Tape

$0.48

$0.404

$0.344

$0.30

Reel

$0.276

View

Min.: 1
Mult.: 1

: 700

BF030

Reel, Cut Tape

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, W/Peg, GF, T+R+C

BF030-10A-B1-0600-0277-0600-LB
GCT
1: $0.51
2,905In Stock

Mfr. Part No.
BF030-10A-B1-0600-0277-0600-LB

Mouser Part No
640-BF03010AB10602LB

GCT

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, W/Peg, GF, T+R+C

Learn More

Datasheet

2,905In Stock

Cut Tape

$0.51

$0.431

$0.367

$0.308

Reel

$0.308

View

Min.: 1
Mult.: 1

: 450

BF030

Reel, Cut Tape

Board to Board & Mezzanine Connectors 8w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, T+R+C

BF030-08A-B0-0600-0277-0600-LB
GCT
1: $0.48
3,089In Stock

Mfr. Part No.
BF030-08A-B0-0600-0277-0600-LB

Mouser Part No
640-BF038AB6027706LB

GCT

Board to Board & Mezzanine Connectors 8w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, T+R+C

Learn More

Datasheet

3,089In Stock

Cut Tape

$0.48

$0.409

$0.348

$0.298

Reel

$0.298

View

Min.: 1
Mult.: 1

: 450

BF030

Reel, Cut Tape

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-10-A-B-0600-0300-L-G
GCT
1: $0.29
323In Stock

Mfr. Part No.
BF050-10-A-B-0600-0300-L-G

Mouser Part No
640-BF05010AB0603LG

GCT

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

323In Stock

$0.29

$0.243

$0.182

$0.173

View

Min.: 1
Mult.: 1

10 Position

2 mm (0.079 in)

2 Row

Solder

Straight

2 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BF050

Bulk

Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-14-A-B-0200-0300-L-G
GCT
1: $0.33
2,990In Stock

Mfr. Part No.
BF050-14-A-B-0200-0300-L-G

Mouser Part No
640-BF05014AB0203LG

GCT

Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

2,990In Stock

$0.33

$0.281

$0.227

$0.21

View

Min.: 1
Mult.: 1

BF050

Bulk

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-20-A-B-0600-0300-L-G
GCT
1: $0.41
656In Stock

Mfr. Part No.
BF050-20-A-B-0600-0300-L-G

Mouser Part No
640-BF05020AB0603LG

GCT

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

656In Stock

$0.41

$0.35

$0.283

$0.261

View

Min.: 1
Mult.: 1

20 Position

2 mm (0.079 in)

2 Row

Solder

Straight

2 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BF050

Bulk

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-04-A-B-0400-0300-L-G
GCT
1: $0.16
2,925In Stock

Mfr. Part No.
BF050-04-A-B-0400-0300-L-G

Mouser Part No
640-BF054AB0403LG

GCT

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

2,925In Stock

$0.16

$0.136

$0.116

$0.104

View

Min.: 1
Mult.: 1

BF050

Bulk

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-06-A-B-0400-0300-L-G
GCT
1: $0.20
2,340In Stock

Mfr. Part No.
BF050-06-A-B-0400-0300-L-G

Mouser Part No
640-BF056AB0403LG

GCT

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

2,340In Stock

$0.20

$0.173

$0.148

$0.132

View

Min.: 1
Mult.: 1

6 Position

2 mm (0.079 in)

2 Row

Solder

Straight

2 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BF050

Bulk

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-06-A-B-0600-0300-L-G
GCT
1: $0.22
3,992In Stock

Mfr. Part No.
BF050-06-A-B-0600-0300-L-G

Mouser Part No
640-BF056AB0603LG

GCT

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

3,992In Stock

$0.22

$0.183

$0.156

$0.139

View

Min.: 1
Mult.: 1

BF050

Bulk

Board to Board & Mezzanine Connectors 8w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

BF050-08-A-B-0600-0300-L-G
GCT
1: $0.25
2,647In Stock

Mfr. Part No.
BF050-08-A-B-0600-0300-L-G

Mouser Part No
640-BF058AB0603LG

GCT

Board to Board & Mezzanine Connectors 8w, 2mm Pitch Pin Hdr, DIL, TH, Vert, GF, Box

Learn More

Datasheet

2,647In Stock

$0.25

$0.214

$0.161

$0.152

View

Min.: 1
Mult.: 1

BF050

Bulk

Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, TH, Horiz, GF, Tube

BF060-12A-B-0200-0280-0305-L-D
GCT
1: $0.44
3,000In Stock

Mfr. Part No.
BF060-12A-B-0200-0280-0305-L-D

Mouser Part No
640-BF06012AB020LD

GCT

Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, TH, Horiz, GF, Tube

Learn More

Datasheet

3,000In Stock

$0.44

$0.434

$0.337

$0.32

View

Min.: 1
Mult.: 1

BF060

Tube

Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, TH, Horiz, GF, Tube

BF060-14A-B-0400-0280-0305-L-D
GCT
1: $0.47
2,990In Stock

Mfr. Part No.
BF060-14A-B-0400-0280-0305-L-D

Mouser Part No
640-BF06014AB040LD

GCT

Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, TH, Horiz, GF, Tube

Learn More

Datasheet

2,990In Stock

$0.47

$0.461

$0.359

$0.331

View

Min.: 1
Mult.: 1

BF060

Tube

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Pin Hdr, DIL, TH, Horiz, GF, Tube

BF060-04A-B-0400-0280-0305-L-D
GCT
1: $0.24
2,920In Stock

Mfr. Part No.
BF060-04A-B-0400-0280-0305-L-D

Mouser Part No
640-BF064AB040LD

GCT

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Pin Hdr, DIL, TH, Horiz, GF, Tube

Learn More

Datasheet

2,920In Stock

$0.24

$0.203

$0.168

$0.151

View

Min.: 1
Mult.: 1

BF060

Tube

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF080-20-A-1-L-C
GCT
1: $1.16
1,420In Stock

Mfr. Part No.
BF080-20-A-1-L-C

Mouser Part No
640-BF08020A1LC

GCT

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

Learn More

Datasheet

1,420In Stock

Cut Tape

$1.16

$0.984

$0.836

$0.746

Reel

$0.696

View

Min.: 1
Mult.: 1

: 1,000

BF080

Reel, Cut Tape

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF100-04-A-D-1-0640-L-C
GCT
1: $0.45
2,362In Stock

Mfr. Part No.
BF100-04-A-D-1-0640-L-C

Mouser Part No
640-BF104AD10640-LC

GCT

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

Learn More

Datasheet

2,362In Stock

Cut Tape

$0.45

$0.382

$0.325

$0.274

Reel

$0.26

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, T+R+F

BF100-04-A-D-0-0640-L-C
GCT
1: $0.45
2,885In Stock

Mfr. Part No.
BF100-04-A-D-0-0640-L-C

Mouser Part No
640-BF104AD640-LC

GCT

Board to Board & Mezzanine Connectors 4w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, T+R+F

Learn More

Datasheet

2,885In Stock

Cut Tape

$0.45

$0.382

$0.325

$0.279

Reel

$0.265

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

Board to Board & Mezzanine Connectors 8w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF100-08-A-D-1-0640-L-C
GCT
1: $0.53
3,614In Stock

Mfr. Part No.
BF100-08-A-D-1-0640-L-C

Mouser Part No
640-BF108AD10640-LC

GCT

Board to Board & Mezzanine Connectors 8w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

Learn More

Datasheet

3,614In Stock

Cut Tape

$0.53

$0.449

$0.382

$0.328

Reel

$0.312

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

Board to Board & Mezzanine Connectors 14w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF100-14-A-D-1-0640-L-C
GCT
1: $0.81
1,600In Stock

Mfr. Part No.
BF100-14-A-D-1-0640-L-C

Mouser Part No
640-BF114AD10640-LC

GCT

Board to Board & Mezzanine Connectors 14w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

Learn More

Datasheet

1,600In Stock

Cut Tape

$0.81

$0.685

$0.582

$0.501

Reel

$0.476

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF100-20-A-D-1-0640-L-C
GCT
1: $0.94
669In Stock
1,700Expected 27/05/2026

Mfr. Part No.
BF100-20-A-D-1-0640-L-C

Mouser Part No
640-BF120AD10640-LC

GCT

Board to Board & Mezzanine Connectors 20w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

Learn More

Datasheet

669In Stock

1,700Expected 27/05/2026

Cut Tape

$0.94

$0.798

$0.678

$0.583

Reel

$0.554

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

Board to Board & Mezzanine Connectors 6w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F

BF121-06-A-0-L-C
GCT
1: $0.79
2,316In Stock

Mfr. Part No.
BF121-06-A-0-L-C

Mouser Part No
640-BF12106A0LC

GCT

Board to Board & Mezzanine Connectors 6w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F

Learn More

Datasheet

2,316In Stock

Cut Tape

$0.79

$0.755

$0.681

$0.613

Reel

$0.502

View

Min.: 1
Mult.: 1

: 1,200

6 Position

2 mm (0.079 in)

2 Row

Solder

Vertical

2 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BF121

Reel, Cut Tape

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, SIL, SMT, Dual Ent, Type B1, GF,Tube

BF090-10-A-1-N-D
GCT
1: $1.06
1In Stock
3,016Expected 22/07/2026

Mfr. Part No.
BF090-10-A-1-N-D

Mouser Part No
640-BF09010A1ND

GCT

Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, SIL, SMT, Dual Ent, Type B1, GF,Tube

Learn More

Datasheet

1In Stock

3,016Expected 22/07/2026

$1.06

$1.03

$0.839

$0.76

View

Min.: 1
Mult.: 1

Headers

10 Position

2 mm (0.079 in)

1 Row

Solder

Vertical

2 A

- 40 C

+ 105 C

Gold

Copper Alloy

Nylon

BF090

Tube

2mm B2B SIL/DIL Sockets & Headers

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