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 10w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-10-A-V-0150-L-C
GCT
1: $2.114
2.199In Stock

Mfr. Part #
BC034-10-A-V-0150-L-C

Mouser Part #
640-BC03410AV0150LC

GCT

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

Learn More

Datasheet

2.199In Stock

Cut Tape

$2.114

$1.840

$1.767

$1.651

Reel

$1.146

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: $2.345
2.214In Stock

Mfr. Part #
BC034-20-A-V-0150-L-C

Mouser Part #
640-BC03420AV0150LC

GCT

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

Learn More

Datasheet

2.214In Stock

Cut Tape

$2.345

$2.040

$1.956

$1.819

Reel

$1.262

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

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-04-A-1-L-C
GCT
1: $1.136
4.397In Stock

Mfr. Part #
BC070-04-A-1-L-C

Mouser Part #
640-BC070-04-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 4w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

4.397In Stock

Cut Tape

$1.136

$961

$923

$864

Reel

$604

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

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)

BC070

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-08-A-1-L-C
GCT
1: $1.273
4.080In Stock

Mfr. Part #
BC070-08-A-1-L-C

Mouser Part #
640-BC070-08-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 8w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

4.080In Stock

Cut Tape

$1.273

$1.083

$1.040

$974

Reel

$671

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

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)

BC070

Reel, Cut Tape, MouseReel

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-10-A-1-L-C
GCT
1: $1.283
3.193In Stock

Mfr. Part #
BC070-10-A-1-L-C

Mouser Part #
640-BC070-10-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 10w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

3.193In Stock

Cut Tape

$1.283

$1.083

$1.047

$981

Reel

$675

View

Min.: 1
Mult.: 1

: 3.000

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)

BC070

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: $904
3.309In Stock

Mfr. Part #
BC075-06-A-L-A

Mouser Part #
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

3.309In Stock

Cut Tape

$904

$768

$652

$617

View

Reel

$500

MouseReel Available

Min.: 1
Mult.: 1

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

BC075-10-A-L-A
GCT
1: $1.462
4.435In Stock

Mfr. Part #
BC075-10-A-L-A

Mouser Part #
640-BC075-10-A-L-A

GCT

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

Learn More

Datasheet

4.435In Stock

Cut Tape

$1.462

$1.241

$1.188

$1.115

View

Reel

$740

Min.: 1
Mult.: 1

: 4.000

Sockets

10 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: $410
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

$410

$351

$298

$266

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: $673
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

$673

$594

$544

$490

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

BC020-05-A-0200-0300-L-G
GCT
1: $1.073
2.237In Stock
20.600Expected 10/14/2026

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

20.600Expected 10/14/2026

$1.073

$908

$893

$771

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 5w, 1.0mm Pitch Header, SIL, SMT, Horizontal, GF, Tape+Reel+Film

BC034-05-A-V-0150-L-C
GCT
1: $1.346
1.021In Stock

Mfr. Part #
BC034-05-A-V-0150-L-C

Mouser Part #
640-BC03405AV0150LC

GCT

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

Learn More

Datasheet

1.021In Stock

Cut Tape

$1.346

$1.146

$970

$866

Reel

$772

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 4w, 1.0mm Pitch Socket, SIL, TH, Vert, GF, Tube

BC065-04-A-L-D
GCT
1: $799
1.111In Stock

Mfr. Part #
BC065-04-A-L-D

Mouser Part #
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

1.111In Stock

$799

$701

$642

$578

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: $936
1.526In Stock

Mfr. Part #
BC065-06-A-L-D

Mouser Part #
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

1.526In Stock

$936

$809

$739

$667

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: $1.083
383In Stock

Mfr. Part #
BC070-02-A-1-L-C

Mouser Part #
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

383In Stock

Cut Tape

$1.083

$920

$883

$827

Reel

$577

View

Min.: 1
Mult.: 1

: 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 3w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-03-A-1-L-C
GCT
1: $1.094
2.109In Stock

Mfr. Part #
BC070-03-A-1-L-C

Mouser Part #
640-BC070-03-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 3w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

2.109In Stock

Cut Tape

$1.094

$928

$891

$834

Reel

$583

View

Min.: 1
Mult.: 1

: 2.500

Sockets

3 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, Cut Tape

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

BC070-05-A-1-L-C
GCT
1: $1.209
2.437In Stock

Mfr. Part #
BC070-05-A-1-L-C

Mouser Part #
640-BC070-05-A-1-L-C

GCT

Board to Board & Mezzanine Connectors 5w, 1.0mm Pitch Socket, SIL, SMT, Vertical, D/Ent, B1,GF, Tape+Reel+Film

Learn More

Datasheet

2.437In Stock

Cut Tape

$1.209

$1.026

$985

$922

Reel

$644

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Sockets

5 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, MouseReel

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: $1.241
1.664In Stock
2.500Expected 9/25/2026

Mfr. Part #
BC070-06-A-1-L-C

Mouser Part #
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

2.500Expected 9/25/2026

Cut Tape

$1.241

$1.052

$1.013

$949

Reel

$653

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

BC075-03-A-L-A
GCT
1: $915
3.387In Stock

Mfr. Part #
BC075-03-A-L-A

Mouser Part #
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

3.387In Stock

Cut Tape

$915

$805

$736

$664

Reel

$448

View

Min.: 1
Mult.: 1

: 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 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: $1.262
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC032-02-A-2-0200-0200-L-B

Mouser Part #
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

$1.262

$1.073

$1.033

$967

Reel

$666

View

Min.: 1
Mult.: 1

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

BC032-08-A-2-0200-0200-L-B
GCT
1: $1.441
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC032-08-A-2-0200-0200-L-B

Mouser Part #
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

$1.441

$1.252

$1.199

$1.115

Reel

$811

View

Min.: 1
Mult.: 1

: 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, Cut Tape

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
3.000: $813
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC032-10-A-2-0200-0200-L-B

Mouser Part #
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

$813

Min.: 3.000
Mult.: 1.500

: 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

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: $1.378
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC032-20-A-2-0200-0200-L-B

Mouser Part #
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

$1.378

Min.: 3.000
Mult.: 1.500

: 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: $852
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC070-20-A-1-L-C

Mouser Part #
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

$852

$812

Min.: 3.000
Mult.: 3.000

: 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: $999
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC075-05-A-L-A

Mouser Part #
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

$999

$876

$801

$723

Reel

$512

View

Min.: 1
Mult.: 1

: 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
1: $1.904
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
BC075-20-A-L-A

Mouser Part #
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

Cut Tape

$1.904

$1.662

$1.588

$1.483

View

Reel

$1.003

Min.: 1
Mult.: 1

: 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, Cut Tape

1mm B2B SIL Headers & Sockets

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