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 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-10-A-0380-0300-L-G
GCT
1: $2.38
1,581In 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

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Datasheet

1,581In Stock

$2.38

$2.03

$1.71

$1.53

View

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 8w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-08-A-0200-0300-L-G
GCT
1: $1.77
2,898In 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

2,898In Stock

$1.77

$1.51

$1.28

$1.14

View

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 7w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-07-A-0230-L-D
GCT
1: $1.14
1,342In 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

1,342In Stock

$1.14

$0.982

$0.899

$0.811

View

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 Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube

BD050-08-A-0-0500-L-D
GCT
1: $1.22
2,330In 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

2,330In Stock

$1.22

$1.06

$0.972

$0.877

View

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 4w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-04-A-0200-0300-L-G
GCT
1: $1.17
2,792In 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

2,792In Stock

$1.17

$0.995

$0.845

$0.755

View

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: $1.53
2,255In 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

2,255In Stock

$1.53

$1.29

$1.10

$0.978

View

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-0200-0300-L-G
GCT
1: $2.06
5,136In 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

5,136In Stock

$2.06

$1.80

$1.73

$1.58

View

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: $0.562
688In Stock
3,000Expected 2026-07-14

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

688In Stock

3,000Expected 2026-07-14

$0.562

$0.481

$0.408

$0.364

View

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: $0.979
2,291In Stock

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

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Datasheet

2,291In Stock

$0.979

$0.842

$0.805

$0.701

View

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 20w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-20-A-0200-0300-L-G
GCT
1: $2.62
1,051In 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

1,051In Stock

$2.62

$2.23

$1.89

$1.80

View

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 10w,1.27mm Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube

BD050-10-A-0-0500-L-D
GCT
1: $1.28
2,964In 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

2,964In Stock

$1.28

$1.22

$0.935

$0.888

View

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: $0.806
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

$0.806

$0.698

$0.638

$0.576

View

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: $0.936
1,937In 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

1,937In Stock

6,688On Order

$0.936

$0.799

$0.66

$0.598

View

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: $1.01
175In Stock
3,036Expected 2026-08-03

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 2026-08-03

$1.01

$0.734

$0.698

$0.647

View

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: $1.47
1,175Expected 2026-08-07

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 2026-08-07

$1.47

$1.24

$1.03

$0.93

View

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 5w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-05-A-0200-0300-L-G
GCT
1: $1.38
2,262Expected 2026-08-21

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

2,262Expected 2026-08-21

$1.38

$1.17

$0.996

$0.888

View

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 8w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-08-A-0230-L-D
GCT
1: $1.18
2,105Expected 2026-08-07

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

2,105Expected 2026-08-07

$1.18

$1.02

$0.935

$0.844

View

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 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Tube

BC020-10-A-0200-0300-L-D
GCT
1: $2.15
Non-Stocked Lead-Time 6 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 6 Weeks

$2.15

$1.87

$1.79

$1.66

View

Min.: 1
Mult.: 1

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: $1.20
Non-Stocked Lead-Time 6 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 6 Weeks

$1.20

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: $1.47
Non-Stocked Lead-Time 6 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 6 Weeks

$1.47

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: $1.24
Non-Stocked Lead-Time 6 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 6 Weeks

$1.24

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: $1.51
Non-Stocked Lead-Time 6 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 6 Weeks

$1.51

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: $1.21
Non-Stocked Lead-Time 6 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 6 Weeks

$1.21

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: $1.57
Non-Stocked Lead-Time 6 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 6 Weeks

$1.57

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: $1.24
Non-Stocked Lead-Time 6 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 6 Weeks

$1.24

Min.: 3,000
Mult.: 100

BC020

Bulk

1.27mm B2B SIL Headers & Sockets

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