Board to Board & Mezzanine Connectors

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1.27mm B2B SIL Headers & Sockets

GCT 1.27mm B2B SIL Headers and Sockets offer either through-hole or surface-mount mounting types and a 1.4mm to 4.3mm profile range. The BD020 header contains from 2 to 50 contacts, a single-row design, and 0.46mm square pin size. The BD050 socket features 4 to 80 contacts, dual-row design, and is a dual-entry type, while the BD080 socket has 3 to 40 contacts, single-row design, and straight orientation. GCT 1.27mm B2B SIL Headers and Sockets provide 20mΩ contact resistance, 1A current rating, and -40°C to +105°C temperature range.

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Part #

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-08-A-0200-0300-L-G
GCT
1: $1.23
A tariff of 30% may be applied if shipping to the United States.
2,868In Stock

Mfr. Part #
BC020-08-A-0200-0300-L-G

Mouser Part #
640-BC02008A02300LG

GCT

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

2,868In Stock

$1.23

$1.05

$0.891

$0.795

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

8 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-10-A-0200-0300-L-G
GCT
1: $1.40
A tariff of 30% may be applied if shipping to the United States.
4,948In Stock

Mfr. Part #
BC020-10-A-0200-0300-L-G

Mouser Part #
640-BC02010A02300LG

GCT

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

4,948In Stock

$1.40

$1.21

$1.18

$1.05

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

10 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 7w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-07-A-0230-L-D
GCT
1: $0.79
A tariff of 10% may be applied if shipping to the United States.
1,322In Stock

Mfr. Part #
BD080-07-A-0230-L-D

Mouser Part #
640-BD080-07A0230LD

GCT

Board to Board & Mezzanine Connectors 7w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

Datasheet

1,322In Stock

$0.79

$0.682

$0.624

$0.563

View

A tariff of 10% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

7 Position

1.27 mm (0.05 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BD080

Tube

Board to Board & Mezzanine Connectors 8w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-08-A-0230-L-D
GCT
1: $0.82
A tariff of 30% may be applied if shipping to the United States.
2,105In Stock
5,700Expected 10/2/2026

Mfr. Part #
BD080-08-A-0230-L-D

Mouser Part #
640-BD080-08A0230LD

GCT

Board to Board & Mezzanine Connectors 8w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

Datasheet

2,105In Stock

5,700Expected 10/2/2026

$0.82

$0.71

$0.649

$0.586

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

8 Position

1.27 mm (0.05 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BD080

Tube

Board to Board & Mezzanine Connectors 8w,1.27mm Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube

BD050-08-A-0-0500-L-D
GCT
1: $0.85
A tariff of 30% may be applied if shipping to the United States.
2,319In Stock

Mfr. Part #
BD050-08-A-0-0500-L-D

Mouser Part #
640-BD050-08A00500LD

GCT

Board to Board & Mezzanine Connectors 8w,1.27mm Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube

Datasheet

2,319In Stock

$0.85

$0.738

$0.675

$0.609

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

8 Position

1.27 mm (0.05 in)

2 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BD050

Tube

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-20-A-0200-0300-L-G
GCT
1: $1.93
A tariff of 10% may be applied if shipping to the United States.
1,041In Stock

Mfr. Part #
BC020-20-A-0200-0300-L-G

Mouser Part #
640-BC02020A02300LG

GCT

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

1,041In Stock

$1.93

$1.68

$1.61

$1.50

View

A tariff of 10% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

20 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-04-A-0200-0300-L-G
GCT
1: $0.81
A tariff of 30% may be applied if shipping to the United States.
2,705In Stock

Mfr. Part #
BC020-04-A-0200-0300-L-G

Mouser Part #
640-BC02004A02300LG

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

2,705In Stock

$0.81

$0.691

$0.588

$0.525

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

4 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-06-A-0200-0300-L-G
GCT
1: $1.06
A tariff of 10% may be applied if shipping to the United States.
2,240In Stock

Mfr. Part #
BC020-06-A-0200-0300-L-G

Mouser Part #
640-BC02006A02300LG

GCT

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

2,240In Stock

$1.06

$0.896

$0.762

$0.68

View

A tariff of 10% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

6 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-10-A-0380-0300-L-G
GCT
1: $1.68
A tariff of 10% may be applied if shipping to the United States.
1,461In Stock

Mfr. Part #
BC020-10-A-0380-0300-L-G

Mouser Part #
640-BC02010A038003LG

GCT

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

1,461In Stock

$1.68

$1.44

$1.22

$1.09

View

A tariff of 10% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

10 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Pin Header, SIL, Through Hole, Vertical, GF, Box

BC020-02-A-0200-0300-L-G
GCT
1: $0.39
A tariff of 30% may be applied if shipping to the United States.
3,078In Stock

Mfr. Part #
BC020-02-A-0200-0300-L-G

Mouser Part #
640-BC02002A02300LG

GCT

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Pin Header, SIL, Through Hole, Vertical, GF, Box

Learn More

Datasheet

3,078In Stock

$0.39

$0.334

$0.283

$0.253

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

2 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 3w, 1.0mm Pitch Pin Header, SIL, Through Hole, Vertical, GF, Box

BC020-03-A-0200-0300-L-G
GCT
1: $0.64
A tariff of 30% may be applied if shipping to the United States.
2,056In Stock
3,000Expected 9/11/2026

Mfr. Part #
BC020-03-A-0200-0300-L-G

Mouser Part #
640-BC02003A02300LG

GCT

Board to Board & Mezzanine Connectors 3w, 1.0mm Pitch Pin Header, SIL, Through Hole, Vertical, GF, Box

Learn More

Datasheet

2,056In Stock

3,000Expected 9/11/2026

$0.64

$0.565

$0.517

$0.466

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

3 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-05-A-0200-0300-L-G
GCT
1: $0.96
A tariff of 30% may be applied if shipping to the United States.
2,237In Stock

Mfr. Part #
BC020-05-A-0200-0300-L-G

Mouser Part #
640-BC02005A02300LG

GCT

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Learn More

Datasheet

2,237In Stock

$0.96

$0.814

$0.692

$0.617

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

5 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Bulk

Board to Board & Mezzanine Connectors 10w,1.27mm Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube

BD050-10-A-0-0500-L-D
GCT
1: $0.96
A tariff of 30% may be applied if shipping to the United States.
2,952In Stock

Mfr. Part #
BD050-10-A-0-0500-L-D

Mouser Part #
640-BD050-10A00500LD

GCT

Board to Board & Mezzanine Connectors 10w,1.27mm Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube

Datasheet

2,952In Stock

$0.96

$0.807

$0.774

$0.724

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

BD050

Tube

Board to Board & Mezzanine Connectors 4w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-04-A-0230-L-D
GCT
1: $0.55
A tariff of 30% may be applied if shipping to the United States.
2,073In Stock

Mfr. Part #
BD080-04-A-0230-L-D

Mouser Part #
640-BD08004A0230LD

GCT

Board to Board & Mezzanine Connectors 4w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,073In Stock

$0.55

$0.484

$0.442

$0.399

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

4 Position

1.27 mm (0.05 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BD080

Tube

Board to Board & Mezzanine Connectors 6w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-06-A-0230-L-D
GCT
1: $0.65
A tariff of 30% may be applied if shipping to the United States.
1,437In Stock
6,688On Order

Mfr. Part #
BD080-06-A-0230-L-D

Mouser Part #
640-BD08006A0230LD

GCT

Board to Board & Mezzanine Connectors 6w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

1,437In Stock

6,688On Order

$0.65

$0.555

$0.458

$0.415

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

6 Position

1.27 mm (0.05 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BD080

Tube

Board to Board & Mezzanine Connectors 10w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-10-A-0230-L-D
GCT
1: $0.81
A tariff of 30% may be applied if shipping to the United States.
175In Stock
3,036Expected 8/21/2026

Mfr. Part #
BD080-10-A-0230-L-D

Mouser Part #
640-BD08010A0230LD

GCT

Board to Board & Mezzanine Connectors 10w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

175In Stock

3,036Expected 8/21/2026

$0.81

$0.706

$0.646

$0.582

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Sockets

10 Position

1.27 mm (0.05 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BD080

Tube

Board to Board & Mezzanine Connectors 4W 1mm Pitch Pin Hdr SIL TH Vrt GF

BC020-04-A-0200-0300-L-D
GCT
1: $1.09
A tariff of 30% may be applied if shipping to the United States.
1,175Expected 8/11/2026

Mfr. Part #
BC020-04-A-0200-0300-L-D

Mouser Part #
640-BC020-4A23LD

GCT

Board to Board & Mezzanine Connectors 4W 1mm Pitch Pin Hdr SIL TH Vrt GF

Datasheet

1,175Expected 8/11/2026

$1.09

$0.929

$0.892

$0.835

View

A tariff of 30% may be applied if shipping to the United States.

Min.: 1
Mult.: 1

Headers

4 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Copper Alloy

Liquid Crystal Polymer (LCP)

BC020

Tube

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Tube

BC020-10-A-0200-0300-L-D
GCT
3,000: $0.833
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-10-A-0200-0300-L-D

Mouser Part #
640-BC020-10A20003LD

GCT

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Tube

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.833

$0.794

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 60

BC020

Tube

Board to Board & Mezzanine Connectors 11w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-11-A-0200-0300-L-G
GCT
3,000: $0.829
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-11-A-0200-0300-L-G

Mouser Part #
640-BC020-11A20003LG

GCT

Board to Board & Mezzanine Connectors 11w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.829

$0.789

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

Board to Board & Mezzanine Connectors 11w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-11-A-0380-0300-L-G
GCT
3,000: $1.06
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-11-A-0380-0300-L-G

Mouser Part #
640-BC020-11A38003LG

GCT

Board to Board & Mezzanine Connectors 11w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$1.06

$1.01

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

Board to Board & Mezzanine Connectors 12w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-12-A-0200-0300-L-G
GCT
3,000: $0.858
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-12-A-0200-0300-L-G

Mouser Part #
640-BC020-12A20003LG

GCT

Board to Board & Mezzanine Connectors 12w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.858

$0.817

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

Board to Board & Mezzanine Connectors 12w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-12-A-0380-0300-L-G
GCT
3,000: $1.10
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-12-A-0380-0300-L-G

Mouser Part #
640-BC020-12A38003LG

GCT

Board to Board & Mezzanine Connectors 12w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$1.10

$1.05

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

Board to Board & Mezzanine Connectors 13w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-13-A-0200-0300-L-G
GCT
3,000: $0.887
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-13-A-0200-0300-L-G

Mouser Part #
640-BC020-13A20003LG

GCT

Board to Board & Mezzanine Connectors 13w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.887

$0.844

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

Board to Board & Mezzanine Connectors 13w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-13-A-0380-0300-L-G
GCT
3,000: $1.13
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-13-A-0380-0300-L-G

Mouser Part #
640-BC020-13A38003LG

GCT

Board to Board & Mezzanine Connectors 13w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$1.13

$1.09

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

Board to Board & Mezzanine Connectors 14w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-14-A-0200-0300-L-G
GCT
3,000: $0.911
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC020-14-A-0200-0300-L-G

Mouser Part #
640-BC020-14A20003LG

GCT

Board to Board & Mezzanine Connectors 14w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.911

$0.868

A tariff of 30% may be applied if shipping to the United States.

Min.: 3,000
Mult.: 100

BC020

Bulk

1.27mm B2B SIL Headers & Sockets

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