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: £1.24
1,598In Stock

Mfr. Part No.
BC020-10-A-0380-0300-L-G

Mouser Part No
640-BC02010A038003LG

GCT

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

Learn More

Datasheet

1,598In Stock

£1.24

£1.06

£0.899

£0.803

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

BD080-07-A-0230-L-D
GCT
1: £0.593
1,383In Stock

Mfr. Part No.
BD080-07-A-0230-L-D

Mouser Part No
640-BD080-07A0230LD

GCT

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

Datasheet

1,383In Stock

£0.593

£0.512

£0.469

£0.423

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: £0.638
900In Stock

Mfr. Part No.
BD050-08-A-0-0500-L-D

Mouser Part No
640-BD050-08A00500LD

GCT

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

Datasheet

900In Stock

£0.638

£0.554

£0.507

£0.457

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

BD080-08-A-0230-L-D
GCT
1: £0.615
2,526In Stock
3,078Expected 22/05/2026

Mfr. Part No.
BD080-08-A-0230-L-D

Mouser Part No
640-BD080-08A0230LD

GCT

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

Datasheet

2,526In Stock

3,078Expected 22/05/2026

£0.615

£0.533

£0.487

£0.44

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

BC020-04-A-0200-0300-L-G
GCT
1: £0.601
2,881In Stock

Mfr. Part No.
BC020-04-A-0200-0300-L-G

Mouser Part No
640-BC02004A02300LG

GCT

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

Learn More

Datasheet

2,881In Stock

£0.601

£0.509

£0.432

£0.385

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: £0.773
2,317In Stock

Mfr. Part No.
BC020-06-A-0200-0300-L-G

Mouser Part No
640-BC02006A02300LG

GCT

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

Learn More

Datasheet

2,317In Stock

£0.773

£0.66

£0.56

£0.501

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 2w, 1.0mm Pitch Pin Header, SIL, Through Hole, Vertical, GF, Box

BC020-02-A-0200-0300-L-G
GCT
1: £0.375
1,254In Stock

Mfr. Part No.
BC020-02-A-0200-0300-L-G

Mouser Part No
640-BC02002A02300LG

GCT

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

Learn More

Datasheet

1,254In Stock

£0.375

£0.319

£0.285

£0.241

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: £0.488
708In Stock
3,000Expected 10/04/2026

Mfr. Part No.
BC020-03-A-0200-0300-L-G

Mouser Part No
640-BC02003A02300LG

GCT

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

Learn More

Datasheet

708In Stock

3,000Expected 10/04/2026

£0.488

£0.425

£0.388

£0.33

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: £1.34
1,076In Stock

Mfr. Part No.
BC020-20-A-0200-0300-L-G

Mouser Part No
640-BC02020A02300LG

GCT

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

Learn More

Datasheet

1,076In Stock

£1.34

£1.14

£0.96

£0.856

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: £0.721
616In Stock

Mfr. Part No.
BD050-10-A-0-0500-L-D

Mouser Part No
640-BD050-10A00500LD

GCT

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

Datasheet

616In Stock

£0.721

£0.606

£0.581

£0.544

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: £0.421
2,313In Stock

Mfr. Part No.
BD080-04-A-0230-L-D

Mouser Part No
640-BD08004A0230LD

GCT

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

Learn More

Datasheet

2,313In Stock

£0.421

£0.364

£0.333

£0.30

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

BC020-05-A-0200-0300-L-G
GCT
1: £0.705
3,000Expected 22/05/2026

Mfr. Part No.
BC020-05-A-0200-0300-L-G

Mouser Part No
640-BC02005A02300LG

GCT

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

Learn More

Datasheet

3,000Expected 22/05/2026

£0.705

£0.599

£0.509

£0.454

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

BC020-08-A-0200-0300-L-G
GCT
1: £0.908
2,948Expected 22/05/2026

Mfr. Part No.
BC020-08-A-0200-0300-L-G

Mouser Part No
640-BC02008A02300LG

GCT

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

Learn More

Datasheet

2,948Expected 22/05/2026

£0.908

£0.773

£0.655

£0.585

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

BC020-10-A-0200-0300-L-G
GCT
1: £1.01
5,200On Order

Mfr. Part No.
BC020-10-A-0200-0300-L-G

Mouser Part No
640-BC02010A02300LG

GCT

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

Learn More

Datasheet

5,200On Order

£1.01

£0.863

£0.729

£0.651

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 6w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube

BD080-06-A-0230-L-D
GCT
1: £0.48
6,023On Order

Mfr. Part No.
BD080-06-A-0230-L-D

Mouser Part No
640-BD08006A0230LD

GCT

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

Learn More

Datasheet

6,023On Order

£0.48

£0.409

£0.337

£0.305

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: £0.518
2,700Expected 24/04/2026

Mfr. Part No.
BD080-10-A-0230-L-D

Mouser Part No
640-BD08010A0230LD

GCT

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

Learn More

Datasheet

2,700Expected 24/04/2026

£0.518

£0.375

£0.357

£0.33

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

BC020-10-A-0200-0300-L-D
GCT
1: £1.12
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-10-A-0200-0300-L-D

Mouser Part No
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

£1.12

£0.978

£0.934

£0.863

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: £0.593
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-11-A-0200-0300-L-G

Mouser Part No
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

£0.593

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: £0.766
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-11-A-0380-0300-L-G

Mouser Part No
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

£0.766

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: £0.612
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-12-A-0200-0300-L-G

Mouser Part No
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

£0.612

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: £0.788
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-12-A-0380-0300-L-G

Mouser Part No
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

£0.788

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: £0.63
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-13-A-0200-0300-L-G

Mouser Part No
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

£0.63

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: £0.818
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-13-A-0380-0300-L-G

Mouser Part No
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

£0.818

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: £0.646
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-14-A-0200-0300-L-G

Mouser Part No
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

£0.646

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-0380-0300-L-G
GCT
3,000: £0.841
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
BC020-14-A-0380-0300-L-G

Mouser Part No
640-BC020-14A38003LG

GCT

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

Datasheet

Non-Stocked Lead-Time 6 Weeks

£0.841

Min.: 3,000
Mult.: 100

BC020

Bulk

1.27mm B2B SIL Headers & Sockets

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