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
875In Stock

Mfr. Part #
BF100-06-A-C-0-0625-N-D

Mouser Part #
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

$0.52

$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: $1.09
2,023In Stock

Mfr. Part #
BF085-10-A-0240-N-D

Mouser Part #
640-BF08510A0240ND

GCT

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

Learn More

Datasheet

2,023In Stock

$1.09

$0.929

$0.892

$0.835

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: $1.16
3,017In Stock

Mfr. Part #
BF090-10-A-1-N-D

Mouser Part #
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

$1.16

$0.98

$0.94

$0.879

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 20w, 2mm Pitch Pin Hdr, DIL, SMT, Horiz, GF, T+R+F

BF135-20-A-0400-0700-0400-L-C
GCT
1: $1.04
3,660In Stock

Mfr. Part #
BF135-20-A-0400-0700-0400-L-C

Mouser Part #
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

$1.04

$0.887

$0.851

$0.797

Reel

$0.594

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: $0.52
3,494In Stock

Mfr. Part #
BF030-10A-B1-0200-0277-0600-LB

Mouser Part #
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

$0.52

$0.461

$0.422

$0.38

Reel

$0.293

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: $0.56
2,285In Stock

Mfr. Part #
BF030-10A-B1-0600-0277-0600-LB

Mouser Part #
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

$0.56

$0.495

$0.453

$0.408

Reel

$0.373

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: $0.53
3,500In Stock

Mfr. Part #
BF030-06A-B1-0200-0277-0600-LB

Mouser Part #
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

$0.53

$0.453

$0.398

$0.352

Reel

$0.258

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: $0.53
3,079In Stock

Mfr. Part #
BF030-08A-B0-0600-0277-0600-LB

Mouser Part #
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

$0.53

$0.467

$0.427

$0.385

Reel

$0.352

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: $0.37
267In Stock

Mfr. Part #
BF050-10-A-B-0600-0300-L-G

Mouser Part #
640-BF05010AB0603LG

GCT

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

Learn More

Datasheet

267In Stock

$0.37

$0.321

$0.284

$0.246

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: $0.40
2,990In Stock

Mfr. Part #
BF050-14-A-B-0200-0300-L-G

Mouser Part #
640-BF05014AB0203LG

GCT

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

Learn More

Datasheet

2,990In Stock

$0.40

$0.35

$0.307

$0.272

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: $0.51
656In Stock

Mfr. Part #
BF050-20-A-B-0600-0300-L-G

Mouser Part #
640-BF05020AB0603LG

GCT

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

Learn More

Datasheet

656In Stock

$0.51

$0.445

$0.391

$0.346

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: $0.20
2,925In Stock

Mfr. Part #
BF050-04-A-B-0400-0300-L-G

Mouser Part #
640-BF054AB0403LG

GCT

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

Learn More

Datasheet

2,925In Stock

$0.20

$0.171

$0.151

$0.131

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: $0.26
2,029In Stock

Mfr. Part #
BF050-06-A-B-0400-0300-L-G

Mouser Part #
640-BF056AB0403LG

GCT

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

Learn More

Datasheet

2,029In Stock

$0.26

$0.222

$0.196

$0.17

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: $0.27
3,992In Stock

Mfr. Part #
BF050-06-A-B-0600-0300-L-G

Mouser Part #
640-BF056AB0603LG

GCT

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

Learn More

Datasheet

3,992In Stock

$0.27

$0.236

$0.208

$0.181

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: $0.32
2,647In Stock

Mfr. Part #
BF050-08-A-B-0600-0300-L-G

Mouser Part #
640-BF058AB0603LG

GCT

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

Learn More

Datasheet

2,647In Stock

$0.32

$0.28

$0.248

$0.215

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: $0.49
3,000In Stock

Mfr. Part #
BF060-12A-B-0200-0280-0305-L-D

Mouser Part #
640-BF06012AB020LD

GCT

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

Learn More

Datasheet

3,000In Stock

$0.49

$0.427

$0.391

$0.353

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: $0.52
2,990In Stock

Mfr. Part #
BF060-14A-B-0400-0280-0305-L-D

Mouser Part #
640-BF06014AB040LD

GCT

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

Learn More

Datasheet

2,990In Stock

$0.52

$0.453

$0.414

$0.373

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: $0.31
2,920In Stock

Mfr. Part #
BF060-04A-B-0400-0280-0305-L-D

Mouser Part #
640-BF064AB040LD

GCT

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

Learn More

Datasheet

2,920In Stock

$0.31

$0.264

$0.234

$0.203

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: $1.26
1,420In Stock

Mfr. Part #
BF080-20-A-1-L-C

Mouser Part #
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

$1.26

$1.07

$1.02

$0.964

Reel

$0.701

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: $0.49
2,158In Stock

Mfr. Part #
BF100-04-A-D-1-0640-L-C

Mouser Part #
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

2,158In Stock

Cut Tape

$0.49

$0.433

$0.396

$0.357

Reel

$0.275

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: $0.49
2,885In Stock

Mfr. Part #
BF100-04-A-D-0-0640-L-C

Mouser Part #
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

$0.49

$0.433

$0.396

$0.357

Reel

$0.275

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: $0.59
3,173In Stock

Mfr. Part #
BF100-08-A-D-1-0640-L-C

Mouser Part #
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

$0.59

$0.518

$0.473

$0.427

Reel

$0.328

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

Board to Board & Mezzanine Connectors 12w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF100-12-A-C-1-0625-L-C
GCT
1: $1.01
590In Stock
9,900Expected 8/14/2026

Mfr. Part #
BF100-12-A-C-1-0625-L-C

Mouser Part #
640-BF112AC10625LC

GCT

Board to Board & Mezzanine Connectors 12w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

Learn More

Datasheet

590In Stock

9,900Expected 8/14/2026

Cut Tape

$1.01

$0.863

$0.828

$0.775

Reel

$0.577

View

Min.: 1
Mult.: 1

: 900

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: $0.94
750In Stock
2,550Expected 9/25/2026

Mfr. Part #
BF100-14-A-D-1-0640-L-C

Mouser Part #
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 9/25/2026

Cut Tape

$0.94

$0.822

$0.751

$0.678

Reel

$0.512

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: $1.00
669In Stock
1,700Expected 9/25/2026

Mfr. Part #
BF100-20-A-D-1-0640-L-C

Mouser Part #
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 9/25/2026

Cut Tape

$1.00

$0.853

$0.818

$0.766

Reel

$0.571

View

Min.: 1
Mult.: 1

: 850

BF100

Reel, Cut Tape

2mm B2B SIL/DIL Sockets & Headers

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