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 Socket, SIL, SMT, Horizontal, GF, Tape+Reel

BC075-08-A-L-A
GCT
1: $1.49
5,507In 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

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Datasheet

5,507In Stock

Cut Tape

$1.49

$1.27

$1.08

$0.962

View

Reel

$0.799

Min.: 1
Mult.: 1

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

BC020-02-A-0200-0300-L-G
GCT
1: $0.556
1,404In 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

1,404In Stock

$0.556

$0.491

$0.448

$0.404

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: $0.778
713In Stock
3,000Expected 1/4/2026

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

713In Stock

3,000Expected 1/4/2026

$0.778

$0.634

$0.516

$0.446

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

BC020-08-A-0200-0300-L-G
GCT
1: $1.78
52In 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

52In Stock

$1.78

$1.50

$1.45

$1.40

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-0380-0300-L-G
GCT
1: $2.18
1,608In 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

1,608In Stock

$2.18

$1.85

$1.58

$1.40

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

BC032-06-A-2-0200-0200-L-B
GCT
1: $1.79
985In 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

985In Stock

Cut Tape

$1.79

$1.53

$1.30

$1.16

$1.07

Reel

$1.02

Min.: 1
Mult.: 1

Reel: 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 3w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-03-A-L-D
GCT
1: $0.848
149In Stock

Mfr. Part No.
BC065-03-A-L-D

Mouser Part No
640-BC065-03-A-L-D

GCT

Board to Board & Mezzanine Connectors 3w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

149In Stock

$0.848

$0.691

$0.644

$0.584

View

Min.: 1
Mult.: 1

Sockets

3 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, TH, Vert, GF, Tube

BC065-04-A-L-D
GCT
1: $1.06
1,391In Stock

Mfr. Part No.
BC065-04-A-L-D

Mouser Part No
640-BC065-04-A-L-D

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

Learn More

Datasheet

1,391In Stock

$1.06

$0.923

$0.844

$0.762

View

Min.: 1
Mult.: 1

Sockets

4 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, TH, Vert, GF, Tube

BC065-06-A-L-D
GCT
1: $1.03
2,097In 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

2,097In Stock

$1.03

$0.951

$0.748

$0.71

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 2w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-02-A-1-L-C
GCT
1: $1.31
541In Stock

Mfr. Part No.
BC070-02-A-1-L-C

Mouser Part No
640-BC070-02-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

541In Stock

Cut Tape

$1.31

$1.06

$1.04

$0.979

Reel

$0.639

View

Min.: 1
Mult.: 1

Reel: 3,000

Sockets

2 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 6w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-06-A-1-L-C
GCT
1: $1.47
2,388In 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

2,388In Stock

Cut Tape

$1.47

$1.25

$1.06

$0.951

$0.905

Reel

$0.848

Min.: 1
Mult.: 1

Reel: 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 3w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

BC075-03-A-L-A
GCT
1: $1.03
3,449In Stock

Mfr. Part No.
BC075-03-A-L-A

Mouser Part No
640-BC075-03-A-L-A

GCT

Board to Board & Mezzanine Connectors 3w, 1.0mm Pitch Socket, SIL, SMT, Horizontal, GF, Tape+Reel

Learn More

Datasheet

3,449In Stock

Cut Tape

$1.03

$0.835

$0.681

$0.591

Reel

$0.55

View

Min.: 1
Mult.: 1

Reel: 4,000

Sockets

3 Position

1 mm (0.039 in)

1 Row

Solder

Right Angle

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 Socket, SIL, SMT, Horizontal, GF, Tape+Reel

BC075-06-A-L-A
GCT
1: $1.15
2,024In Stock

Mfr. Part No.
BC075-06-A-L-A

Mouser Part No
640-BC075-06-A-L-A

GCT

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

Learn More

Datasheet

2,024In Stock

Cut Tape

$1.15

$0.986

$0.838

$0.748

$0.712

Reel

$0.645

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Sockets

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)

BC075

Reel, Cut Tape, MouseReel

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: $1.78
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

$1.78

$1.52

$1.28

$1.14

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 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
3,150Expected 18/2/2026

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

3,150Expected 18/2/2026

Cut Tape

$1.70

$1.43

$1.22

$1.09

$0.995

Reel

$0.931

Min.: 1
Mult.: 1

Reel: 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 10w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-10-A-L-D
GCT
1: $1.28
2,916Expected 8/4/2026

Mfr. Part No.
BC065-10-A-L-D

Mouser Part No
640-BC065-10-A-L-D

GCT

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

Learn More

Datasheet

2,916Expected 8/4/2026

$1.28

$1.22

$1.19

$0.956

View

Min.: 1
Mult.: 1

Sockets

10 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 5w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box

BC020-05-A-0200-0300-L-G
GCT
1: $1.36
Non-Stocked Lead-Time 8 Weeks

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

Non-Stocked Lead-Time 8 Weeks

$1.36

$1.15

$1.12

$0.952

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 2w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-02-A-2-0200-0200-L-B
GCT
1: $1.58
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC032-02-A-2-0200-0200-L-B

Mouser Part No
640-BC03202A202200LB

GCT

Board to Board & Mezzanine Connectors 2w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

$1.58

$1.34

$1.29

$1.26

View

Reel

$0.844

Min.: 1
Mult.: 1

Reel: 1,500

Headers

2 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 3w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-03-A-2-0200-0200-L-B
GCT
1: $1.67
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC032-03-A-2-0200-0200-L-B

Mouser Part No
640-BC03203A202200LB

GCT

Board to Board & Mezzanine Connectors 3w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

$1.67

$1.40

$1.36

$1.33

View

Reel

$0.866

Min.: 1
Mult.: 1

Reel: 1,500

Headers

3 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 8w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-08-A-2-0200-0200-L-B
GCT
3,000: $0.999
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC032-08-A-2-0200-0200-L-B

Mouser Part No
640-BC03208A202200LB

GCT

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

$0.999

Min.: 3,000
Mult.: 1,500

Reel: 1,500

Headers

8 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

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-10-A-2-0200-0200-L-B
GCT
1: $1.89
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC032-10-A-2-0200-0200-L-B

Mouser Part No
640-BC03210A202200LB

GCT

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

$1.89

$1.64

$1.57

$1.54

View

Reel

$1.03

Min.: 1
Mult.: 1

Reel: 1,500

Headers

10 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 20w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

BC032-20-A-2-0200-0200-L-B
GCT
3,000: $1.82
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC032-20-A-2-0200-0200-L-B

Mouser Part No
640-BC03220A202200LB

GCT

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Pin Header, Type B2, SIL, SMT, Vertical, GF, Tape+Reel+Cap

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

$1.82

Min.: 3,000
Mult.: 1,500

Reel: 1,500

Headers

20 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

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-20-A-1-L-C
GCT
3,000: $1.05
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC070-20-A-1-L-C

Mouser Part No
640-BC070-20-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 20w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$1.05

Min.: 3,000
Mult.: 3,000

Reel: 3,000

Sockets

20 Position

1 mm (0.039 in)

1 Row

Solder

Straight

1 A

- 40 C

+ 105 C

Gold

Phosphor Bronze

Liquid Crystal Polymer (LCP)

BC070

Reel

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

BC075-05-A-L-A
GCT
1: $1.13
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC075-05-A-L-A

Mouser Part No
640-BC075-05-A-L-A

GCT

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

$1.13

$0.959

$0.92

$0.862

Reel

$0.61

View

Min.: 1
Mult.: 1

Reel: 3,000

Sockets

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)

BC075

Reel, Cut Tape

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

BC075-20-A-L-A
GCT
4,000: $1.28
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
BC075-20-A-L-A

Mouser Part No
640-BC075-20-A-L-A

GCT

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$1.28

Min.: 4,000
Mult.: 4,000

Reel: 4,000

Sockets

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)

BC075

Reel

1mm B2B SIL Headers & Sockets

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