Board to Board & Mezzanine Connectors

.hide-partial { max-height: none; } .show-more { display: none; }

2.54mm B2B SIL Headers & Sockets

GCT 2.54mm Board-to-Board (B2B) SIL Headers and Sockets feature a 3A current rating, 20mΩ maximum contact resistance, and up to 5000MΩ insulation resistance. These sockets and headers offer various designs that can consist of up to 80 contacts, through-hole or surface-mount construction, and a 0.64mm square pin size. These GCT sockets are available with a right-angle, U-shaped, or straight orientation, while the headers are available in both right-angle and straight orientations.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 37

Applied Filters:

Product

Number of Positions

Number of Rows

Mounting Angle

Contact Material

Housing Material

Series

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Board to Board & Mezzanine Connectors 5w, 2.54mm Pth Socket, SIL, TH, Horiz, GF, LCP Natural, Box

BG302-05-A-L-G
GCT
1: $0.61
3,352In Stock

Mfr. Part No.
BG302-05-A-L-G

Mouser Part No
640-BG302-05-A-L-G

GCT

Board to Board & Mezzanine Connectors 5w, 2.54mm Pth Socket, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

3,352In Stock

$0.61

$0.522

$0.444

$0.396

View

Min.: 1
Mult.: 1

Sockets

5 Position

2.54 mm (0.1 in)

1 Row

Solder

Horizontal

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG302

Bulk

Board to Board & Mezzanine Connectors 6w, 2.54mm Pth Socket, SIL, TH, Horiz, GF, LCP Natural, Box

BG302-06-A-L-G
GCT
1: $0.66
858In Stock

Mfr. Part No.
BG302-06-A-L-G

Mouser Part No
640-BG302-06-A-L-G

GCT

Board to Board & Mezzanine Connectors 6w, 2.54mm Pth Socket, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

858In Stock

$0.66

$0.561

$0.477

$0.426

View

Min.: 1
Mult.: 1

Sockets

6 Position

2.54 mm (0.1 in)

1 Row

Solder

Horizontal

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG302

Bulk

Board to Board & Mezzanine Connectors 2w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

BG303-02-A-0300-L-G
GCT
1: $0.21
2,719In Stock

Mfr. Part No.
BG303-02-A-0300-L-G

Mouser Part No
640-BG30302A0300LG

GCT

Board to Board & Mezzanine Connectors 2w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

2,719In Stock

$0.21

$0.181

$0.154

$0.137

View

Min.: 1
Mult.: 1

Headers

2 Position

2.54 mm (0.1 in)

1 Row

Solder

Right Angle

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG303

Bulk

Board to Board & Mezzanine Connectors 3w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

BG303-03-A-0300-L-G
GCT
1: $0.24
267In Stock
3,000Expected 29/07/2026

Mfr. Part No.
BG303-03-A-0300-L-G

Mouser Part No
640-BG30303A0300LG

GCT

Board to Board & Mezzanine Connectors 3w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

267In Stock

3,000Expected 29/07/2026

$0.24

$0.205

$0.175

$0.156

View

Min.: 1
Mult.: 1

Headers

3 Position

2.54 mm (0.1 in)

1 Row

Solder

Right Angle

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG303

Bulk

Board to Board & Mezzanine Connectors 4w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

BG303-04-A-0300-L-G
GCT
1: $0.32
858In Stock

Mfr. Part No.
BG303-04-A-0300-L-G

Mouser Part No
640-BG30304A0300LG

GCT

Board to Board & Mezzanine Connectors 4w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

858In Stock

$0.32

$0.269

$0.229

$0.204

View

Min.: 1
Mult.: 1

Headers

4 Position

2.54 mm (0.1 in)

1 Row

Solder

Right Angle

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG303

Bulk

Board to Board & Mezzanine Connectors 6w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

BG303-06-A-0300-L-G
GCT
1: $0.42
2,979In Stock

Mfr. Part No.
BG303-06-A-0300-L-G

Mouser Part No
640-BG30306A0300LG

GCT

Board to Board & Mezzanine Connectors 6w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

2,979In Stock

$0.42

$0.354

$0.301

$0.261

View

Min.: 1
Mult.: 1

Headers

6 Position

2.54 mm (0.1 in)

1 Row

Solder

Right Angle

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG303

Bulk

Board to Board & Mezzanine Connectors 4w, 2.54mm Pth Hdr, U Shaped, Single Insul, LCP Natural, Box

BG304-04-A-0500-L-G
GCT
1: $0.36
448In Stock

Mfr. Part No.
BG304-04-A-0500-L-G

Mouser Part No
640-BG30404A0500LG

GCT

Board to Board & Mezzanine Connectors 4w, 2.54mm Pth Hdr, U Shaped, Single Insul, LCP Natural, Box

Learn More

Datasheet

448In Stock

$0.36

$0.305

$0.259

$0.231

View

Min.: 1
Mult.: 1

Headers

4 Position

2.54 mm (0.1 in)

2 Row

Solder

Vertical

3 A

- 40 C

+ 105 C

Gold

Brass

Liquid Crystal Polymer (LCP)

BG304

Bulk

Board to Board & Mezzanine Connectors 2w, 2.54mm Pth Socket, SIL, SMT, Vert, R2 GF, LCP Natural, Box

BG306-02-A-2-0400-L-G
GCT
1: $0.64
3,184In Stock

Mfr. Part No.
BG306-02-A-2-0400-L-G

Mouser Part No
640-BG30602A20400LG

GCT

Board to Board & Mezzanine Connectors 2w, 2.54mm Pth Socket, SIL, SMT, Vert, R2 GF, LCP Natural, Box

Learn More

Datasheet

3,184In Stock

$0.64

$0.544

$0.463

$0.413

View

Min.: 1
Mult.: 1

Sockets

2 Position

2.54 mm (0.1 in)

1 Row

Solder

Vertical

3 A

- 40 C

+ 105 C

Gold

Brass

Liquid Crystal Polymer (LCP)

BG306

Bulk

Board to Board & Mezzanine Connectors 4w, 2.54mm Pitch Socket, SIL, SMT, Vert, R1, GF, LCP Nat, T+R+C

BG306-04-A-1-0400-L-B
GCT
1: $0.95
2,320In Stock
3,600Expected 24/07/2026

Mfr. Part No.
BG306-04-A-1-0400-L-B

Mouser Part No
640-BG30604A10400LB

GCT

Board to Board & Mezzanine Connectors 4w, 2.54mm Pitch Socket, SIL, SMT, Vert, R1, GF, LCP Nat, T+R+C

Learn More

Datasheet

2,320In Stock

3,600Expected 24/07/2026

Cut Tape

$0.95

$0.806

$0.685

$0.612

Reel

$0.548

View

Min.: 1
Mult.: 1

: 1,200

Sockets

4 Position

2.54 mm (0.1 in)

1 Row

Solder

Straight

3 A

- 40 C

+ 105 C

Gold

Brass

Liquid Crystal Polymer (LCP)

BG306

Reel, Cut Tape

Board to Board & Mezzanine Connectors 5w, 2.54mm Pitch Socket, SIL, SMT, Vert, R1, GF, LCP Nat, T+R+C

BG306-05-A-1-0400-L-B
GCT
1: $1.08
906In Stock

Mfr. Part No.
BG306-05-A-1-0400-L-B

Mouser Part No
640-BG30605A10400LB

GCT

Board to Board & Mezzanine Connectors 5w, 2.54mm Pitch Socket, SIL, SMT, Vert, R1, GF, LCP Nat, T+R+C

Learn More

Datasheet

906In Stock

Cut Tape

$1.08

$0.915

$0.778

$0.694

Reel

$0.618

$0.615

Min.: 1
Mult.: 1

: 1,200

Sockets

5 Position

2.54 mm (0.1 in)

1 Row

Solder

Vertical

3 A

- 40 C

+ 105 C

Gold

Brass

Liquid Crystal Polymer (LCP)

BG306

Reel, Cut Tape

Board to Board & Mezzanine Connectors 2w, 2.54mm Pth Header, SIL, SMT, Horiz, GF, LCP Natural, T+R+C

BG301-02-A-0540-L-B
GCT
1: $0.47
3,000Expected 03/07/2026

Mfr. Part No.
BG301-02-A-0540-L-B

Mouser Part No
640-BG30102A0540LB

GCT

Board to Board & Mezzanine Connectors 2w, 2.54mm Pth Header, SIL, SMT, Horiz, GF, LCP Natural, T+R+C

Learn More

Datasheet

3,000Expected 03/07/2026

Cut Tape

$0.47

$0.401

$0.341

$0.304

Reel

$0.275

View

Min.: 1
Mult.: 1

: 1,000

Headers

2 Position

2.54 mm (0.1 in)

1 Row

Solder

Right Angle

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG301

Reel, Cut Tape

Board to Board & Mezzanine Connectors 5w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

BG303-05-A-0300-L-G
GCT
1: $0.39
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BG303-05-A-0300-L-G

Mouser Part No
640-BG30305A0300LG

GCT

Board to Board & Mezzanine Connectors 5w, 2.54mm Pth Header, SIL, TH, Horiz, GF, LCP Natural, Box

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$0.39

$0.329

$0.28

$0.25

View

Min.: 1
Mult.: 1

Headers

5 Position

2.54 mm (0.1 in)

1 Row

Solder

Right Angle

3 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BG303

Bulk

2.54mm B2B SIL Headers & Sockets

Customer Service Office

Company

Resources

Support