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 10w, 2mm Pitch Socket, SIL, SMT, Dual Ent, Type B1, GF,Tube

BF090-10-A-1-N-D
GCT
1: $1.57
3,089In 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

3,089In Stock

$1.57

$1.44

$1.24

$1.12

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: $1.47
3,680In 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

3,680In Stock

Cut Tape

$1.47

$1.25

$1.22

$1.06

Reel

$0.849

View

Min.: 1
Mult.: 1

Reel: 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-B1-0600-0277-0600-LB
GCT
1: $0.775
3,150In 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

3,150In Stock

Cut Tape

$0.775

$0.625

$0.51

$0.446

Reel

$0.419

View

Min.: 1
Mult.: 1

Reel: 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: $0.729
3,150In 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

3,150In Stock

Cut Tape

$0.729

$0.592

$0.484

$0.423

Reel

$0.397

View

Min.: 1
Mult.: 1

Reel: 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: $0.434
453In 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

453In Stock

$0.434

$0.353

$0.231

$0.191

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: $0.496
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

$0.496

$0.423

$0.343

$0.316

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: $0.62
911In 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

911In Stock

$0.62

$0.507

$0.389

$0.352

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: $0.233
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

$0.233

$0.203

$0.174

$0.155

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: $0.31
2,487In 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

2,487In Stock

$0.31

$0.25

$0.203

$0.177

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: $0.326
4,017In 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

4,017In Stock

$0.326

$0.264

$0.215

$0.186

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: $0.372
2,667In 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

2,667In Stock

$0.372

$0.322

$0.312

$0.279

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: $0.667
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

$0.667

$0.656

$0.471

$0.442

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: $0.357
3,050In 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

3,050In Stock

$0.357

$0.308

$0.254

$0.229

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: $1.75
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

$1.75

$1.42

$1.16

$1.00

Reel

$0.944

View

Min.: 1
Mult.: 1

Reel: 1,000

BF080

Reel, Cut Tape

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

BF085-10-A-0240-N-D
GCT
1: $1.53
2,176In 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

2,176In Stock

$1.53

$1.51

$1.49

$1.15

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 4w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F

BF100-04-A-D-1-0640-L-C
GCT
1: $0.682
2,375In 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

2,375In Stock

Cut Tape

$0.682

$0.577

$0.49

$0.422

Reel

$0.415

View

Min.: 1
Mult.: 1

Reel: 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: $0.682
2,905In 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

2,905In Stock

Cut Tape

$0.682

$0.577

$0.49

$0.422

Reel

$0.40

View

Min.: 1
Mult.: 1

Reel: 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: $0.806
3,714In 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

3,714In Stock

Cut Tape

$0.806

$0.651

$0.532

$0.439

Reel

$0.397

View

Min.: 1
Mult.: 1

Reel: 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: $1.21
1,700In Stock

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

1,700In Stock

Cut Tape

$1.21

$1.03

$0.876

$0.753

Reel

$0.752

View

Min.: 1
Mult.: 1

Reel: 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: $1.41
1,921In Stock

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

1,921In Stock

Cut Tape

$1.41

$1.15

$0.941

$0.778

Reel

$0.73

$0.662

Min.: 1
Mult.: 1

Reel: 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: $1.22
2,351In Stock

Mfr. Part #
BF121-06-A-0-L-C

Mouser Part #
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

2,351In Stock

Cut Tape

$1.22

$0.995

$0.811

$0.704

Reel

$0.591

$0.563

Min.: 1
Mult.: 1

Reel: 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 Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F

BF121-10-A-0-L-C
GCT
1: $1.30
2,690In Stock
3,000Expected 2026-02-13

Mfr. Part #
BF121-10-A-0-L-C

Mouser Part #
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

2,690In Stock

3,000Expected 2026-02-13

Cut Tape

$1.30

$1.10

$1.08

$0.935

Reel

$0.735

View

Min.: 1
Mult.: 1

Reel: 1,500

BF121

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: $1.44
4,500Expected 2026-02-13

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

4,500Expected 2026-02-13

Cut Tape

$1.44

$1.22

$1.21

$1.20

Reel

$0.803

View

Min.: 1
Mult.: 1

Reel: 900

BF100

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: $0.713
3,499Expected 2026-02-13

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

3,499Expected 2026-02-13

Cut Tape

$0.713

$0.611

$0.519

$0.453

Reel

$0.419

View

Min.: 1
Mult.: 1

Reel: 700

BF030

Reel, Cut Tape

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: $0.76
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

$0.76

$0.662

$0.606

$0.547

View

Min.: 1
Mult.: 1

BF060

Tube

2mm B2B SIL/DIL Sockets & Headers

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