Board to Board & Mezzanine Connectors

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1mm B2B SIL Headers & Sockets

GCT 1mm B2B SIL Headers and Sockets feature a 1A current rating, 20mΩ to 40mΩ contact resistance, 1000MΩ minimum insulation resistance. These products offer surface-mount and through-hole PCB-mount versions, 1mm pitch, and single-row design. Some of these header connectors and sockets provide a straight orientation, while others offer a right-angle orientation. GCT 1mm B2B SIL Headers and Sockets have a -40°C to +105°C operating 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: $1.67
2,898In Stock

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

2,898In Stock

$1.67

$1.43

$1.21

$1.08

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 6w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-06-A-V-0150-L-C
GCT
1: $2.09
2,708In Stock

Mfr. Part No.
BC034-06-A-V-0150-L-C

Mouser Part No
640-BC03406AV0150LC

GCT

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

2,708In Stock

Cut Tape

$2.09

$1.81

$1.75

$1.59

Reel

$1.18

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Headers

6 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

BC075-08-A-L-A
GCT
1: $1.51
4,862In Stock

Mfr. Part No.
BC075-08-A-L-A

Mouser Part No
640-BC075-08-A-L-A

GCT

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

Learn More

Datasheet

4,862In Stock

Cut Tape

$1.51

$1.29

$1.09

$0.976

View

Reel

$0.839

Min.: 1
Mult.: 1

: 4,000

Sockets

8 Position

1 mm (0.039 in)

1 Row

Solder

Horizontal

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC075

Reel, Cut Tape

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-06-A-2-0200-0200-L-B
GCT
1: $1.81
3,672In Stock

Mfr. Part No.
BC032-06-A-2-0200-0200-L-B

Mouser Part No
640-BC03206A202200LB

GCT

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

3,672In Stock

Cut Tape

$1.81

$1.54

$1.30

$1.19

Reel

$1.04

View

Min.: 1
Mult.: 1

: 1,500

Headers

6 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC032

Reel, Cut Tape

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: $2.24
1,581In 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

1,581In Stock

$2.24

$1.92

$1.62

$1.44

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 4w, 1.0mm Pitch Header, Single in line, Horizontal, tube

BC034-04-A-V-0150-L-D
GCT
1: $1.54
2,674In Stock

Mfr. Part No.
BC034-04-A-V-0150-L-D

Mouser Part No
640-BC03404AV0150LD

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Header, Single in line, Horizontal, tube

Learn More

Datasheet

2,674In Stock

$1.54

$1.30

$1.25

$1.17

View

Min.: 1
Mult.: 1

Headers

4 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Tube

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-20-A-L-D
GCT
1: $1.96
2,382In Stock

Mfr. Part No.
BC065-20-A-L-D

Mouser Part No
640-BC065-20-A-L-D

GCT

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,382In Stock

$1.96

$1.55

$1.40

$1.25

View

Min.: 1
Mult.: 1

Sockets

20 Position

1 mm (0.039 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC065

Tube

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

BC075-04-A-L-A
GCT
1: $1.05
7,070In Stock

Mfr. Part No.
BC075-04-A-L-A

Mouser Part No
640-BC075-04-A-L-A

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

Learn More

Datasheet

7,070In Stock

Cut Tape

$1.05

$0.894

$0.76

$0.679

Reel

$0.575

View

Min.: 1
Mult.: 1

: 4,000

Sockets

4 Position

1 mm (0.039 in)

1 Row

Solder

Horizontal

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC075

Reel, Cut Tape

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-02-A-L-D
GCT
1: $0.802
2,557In Stock

Mfr. Part No.
BC065-02-A-L-D

Mouser Part No
640-BC065-02-A-L-D

GCT

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,557In Stock

$0.802

$0.683

$0.545

$0.503

View

Min.: 1
Mult.: 1

Sockets

2 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC065

Tube

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-05-A-L-D
GCT
1: $0.952
2,936In Stock

Mfr. Part No.
BC065-05-A-L-D

Mouser Part No
640-BC065-05-A-L-D

GCT

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,936In Stock

$0.952

$0.812

$0.685

$0.612

View

Min.: 1
Mult.: 1

Sockets

5 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC065

Tube

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-08-A-L-D
GCT
1: $1.07
2,032In Stock

Mfr. Part No.
BC065-08-A-L-D

Mouser Part No
640-BC065-08-A-L-D

GCT

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,032In Stock

$1.07

$1.00

$0.752

$0.68

View

Min.: 1
Mult.: 1

Sockets

8 Position

1 mm (0.039 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC065

Tube

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-06-A-1-L-C
GCT
1: $1.46
1,664In Stock

Mfr. Part No.
BC070-06-A-1-L-C

Mouser Part No
640-BC070-06-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

1,664In Stock

Cut Tape

$1.46

$1.23

$1.05

$0.936

Reel

$0.835

View

Min.: 1
Mult.: 1

: 2,500

Sockets

6 Position

1 mm (0.039 in)

1 Row

Solder

Vertical

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC070

Reel, Cut Tape

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: $1.10
2,762In 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

2,762In Stock

$1.10

$0.94

$0.798

$0.713

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: $1.44
2,255In 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

2,255In Stock

$1.44

$1.22

$1.03

$0.923

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 6w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-06-A-L-D
GCT
1: $1.03
2,041In Stock

Mfr. Part No.
BC065-06-A-L-D

Mouser Part No
640-BC065-06-A-L-D

GCT

Board to Board & Mezzanine Connectors 6w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

2,041In Stock

$1.03

$0.749

$0.713

$0.658

View

Min.: 1
Mult.: 1

Sockets

6 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC065

Tube

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-05-A-V-0150-L-C
GCT
1: $1.74
1,166In Stock

Mfr. Part No.
BC034-05-A-V-0150-L-C

Mouser Part No
640-BC03405AV0150LC

GCT

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

1,166In Stock

Cut Tape

$1.74

$1.48

$1.25

$1.12

Reel

$0.998

View

Min.: 1
Mult.: 1

: 2,500

Headers

5 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

BC075-02-A-L-A
GCT
1: $0.979
2,671In Stock

Mfr. Part No.
BC075-02-A-L-A

Mouser Part No
640-BC075-02-A-L-A

GCT

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

Learn More

Datasheet

2,671In Stock

Cut Tape

$0.979

$0.827

$0.702

$0.627

Reel

$0.515

View

Min.: 1
Mult.: 1

: 4,000

Sockets

2 Position

1 mm (0.039 in)

1 Row

Solder

Horizontal

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC075

Reel, Cut Tape

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: $1.94
5,136In Stock

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

5,136In Stock

$1.94

$1.70

$1.63

$1.50

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 4w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-04-A-2-0200-0200-L-B
GCT
1: $1.73
2,798In Stock

Mfr. Part No.
BC032-04-A-2-0200-0200-L-B

Mouser Part No
640-BC03204A202200LB

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

2,798In Stock

Cut Tape

$1.73

$1.48

$1.25

$1.12

Reel

$0.982

View

Min.: 1
Mult.: 1

: 1,500

Headers

4 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC032

Reel, Cut Tape

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-05-A-2-0200-0200-L-B
GCT
1: $1.70
3,039In Stock

Mfr. Part No.
BC032-05-A-2-0200-0200-L-B

Mouser Part No
640-BC03205A202200LB

GCT

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

3,039In Stock

Cut Tape

$1.70

$1.44

$1.22

$1.09

Reel

$0.976

View

Min.: 1
Mult.: 1

: 1,600

Headers

5 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC032

Reel, Cut Tape

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-02-A-V-0150-L-C
GCT
1: $1.44
3,720In Stock

Mfr. Part No.
BC034-02-A-V-0150-L-C

Mouser Part No
640-BC03402AV0150LC

GCT

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

3,720In Stock

Cut Tape

$1.44

$1.22

$1.04

$0.925

Reel

$0.824

View

Min.: 1
Mult.: 1

: 2,500

Headers

2 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-04-A-V-0150-L-C
GCT
1: $1.60
2,488In Stock
2,500Expected 7/8/2026

Mfr. Part No.
BC034-04-A-V-0150-L-C

Mouser Part No
640-BC03404AV0150LC

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

2,488In Stock

2,500Expected 7/8/2026

Cut Tape

$1.60

$1.36

$1.15

$1.03

Reel

$0.918

View

Min.: 1
Mult.: 1

: 2,500

Headers

4 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-08-A-V-0150-L-C
GCT
1: $2.43
2,246In Stock

Mfr. Part No.
BC034-08-A-V-0150-L-C

Mouser Part No
640-BC03408AV0150LC

GCT

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

2,246In Stock

Cut Tape

$2.43

$2.07

$1.75

$1.58

Reel

$1.39

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Headers

8 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-10-A-V-0150-L-C
GCT
1: $2.57
2,329In Stock

Mfr. Part No.
BC034-10-A-V-0150-L-C

Mouser Part No
640-BC03410AV0150LC

GCT

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

2,329In Stock

Cut Tape

$2.57

$2.19

$1.86

$1.66

Reel

$1.44

View

Min.: 1
Mult.: 1

: 2,500

Headers

10 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-20-A-V-0150-L-C
GCT
1: $3.05
2,314In Stock

Mfr. Part No.
BC034-20-A-V-0150-L-C

Mouser Part No
640-BC03420AV0150LC

GCT

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

Learn More

Datasheet

2,314In Stock

Cut Tape

$3.05

$2.65

$2.54

$2.37

Reel

$1.59

View

Min.: 1
Mult.: 1

: 2,500

Headers

20 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC034

Reel, Cut Tape

1mm B2B SIL Headers & Sockets

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