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: $0.694
875In 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

875In Stock

$0.694

$0.608

$0.556

$0.502

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: $1.48
2,023In 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

2,023In Stock

$1.48

$1.26

$1.21

$1.14

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 Pitch Socket, SIL, SMT, Dual Ent, Type B1, GF,Tube

BF090-10-A-1-N-D
GCT
1: $1.58
3,017In Stock

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

3,017In Stock

$1.58

$1.33

$1.28

$1.20

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

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: $1.24
3,690In 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

3,690In Stock

Cut Tape

$1.24

$1.05

$1.01

$0.945

Reel

$0.66

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: $1.41
3,660In 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

3,660In Stock

Cut Tape

$1.41

$1.21

$1.16

$1.08

Reel

$0.808

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: $0.707
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

$0.707

$0.627

$0.574

$0.517

Reel

$0.398

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: $0.762
2,285In 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

2,285In Stock

Cut Tape

$0.762

$0.673

$0.616

$0.555

Reel

$0.507

View

Min.: 1
Mult.: 1

: 450

BF030

Reel, Cut Tape

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, W/Peg, GF, T+R+C

BF030-06A-B1-0200-0277-0600-LB
GCT
1: $0.721
3,500In Stock

Mfr. Part No.
BF030-06A-B1-0200-0277-0600-LB

Mouser Part No
640-BF036AB10202LB

GCT

Board to Board & Mezzanine Connectors 6w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, W/Peg, GF, T+R+C

Learn More

Datasheet

3,500In Stock

Cut Tape

$0.721

$0.616

$0.541

$0.479

Reel

$0.351

View

Min.: 1
Mult.: 1

: 700

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: $0.721
3,079In 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

3,079In Stock

Cut Tape

$0.721

$0.635

$0.581

$0.524

Reel

$0.479

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: $0.503
267In 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

267In Stock

$0.503

$0.437

$0.386

$0.335

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: $0.544
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

$0.544

$0.476

$0.418

$0.37

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: $0.694
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

$0.694

$0.605

$0.532

$0.471

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: $0.272
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

$0.272

$0.233

$0.205

$0.178

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: $0.354
2,029In 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

2,029In Stock

$0.354

$0.302

$0.267

$0.231

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: $0.367
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

$0.367

$0.321

$0.283

$0.246

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: $0.435
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

$0.435

$0.381

$0.337

$0.292

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: $0.666
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

$0.666

$0.581

$0.532

$0.48

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: $0.707
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

$0.707

$0.616

$0.563

$0.507

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: $0.422
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

$0.422

$0.359

$0.318

$0.276

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: $1.71
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

$1.71

$1.46

$1.39

$1.31

Reel

$0.953

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: $0.666
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

$0.666

$0.589

$0.539

$0.486

Reel

$0.374

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: $0.666
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

$0.666

$0.589

$0.539

$0.486

Reel

$0.374

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: $0.802
3,173In 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

3,173In Stock

Cut Tape

$0.802

$0.704

$0.643

$0.581

Reel

$0.446

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: $1.28
750In Stock
2,550Expected 25/9/2026

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

750In Stock

2,550Expected 25/9/2026

Cut Tape

$1.28

$1.12

$1.02

$0.922

Reel

$0.696

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: $1.36
669In Stock
1,700Expected 25/9/2026

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 25/9/2026

Cut Tape

$1.36

$1.16

$1.11

$1.04

Reel

$0.777

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

2mm B2B SIL/DIL Sockets & Headers

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