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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Number of Positions	Pitch	Number of Rows	Termination Style	Mounting Angle	Current Rating	Minimum Operating Temperature	Maximum Operating Temperature	Contact Plating	Contact Material	Housing Material	Series	Packaging
Board to Board & Mezzanine Connectors 8w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube BD080-08-A-0230-L-D GCT 1: ¥136.2 7,755In Stock	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	7,755In Stock	¥136.2 ¥117.9 ¥107.8 ¥97.3 View ¥88.7 ¥73.4 ¥64.9	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 8w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box BC020-08-A-0200-0300-L-G GCT 1: ¥202.6 2,688In 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 about GCT 1mm b2b sil headers sockets	Datasheet	2,688In Stock	¥202.6 ¥174.4 ¥165.4 ¥147.8 View ¥131.9 ¥124.7 ¥117.4 ¥111.8	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: ¥229.2 4,908In 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 about GCT 1mm b2b sil headers sockets	Datasheet	4,908In Stock	¥229.2 ¥196 ¥169.4 ¥165.6 View ¥148.7 ¥137.5 ¥132.9 ¥123.2	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 10w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube BD080-10-A-0230-L-D GCT 1: ¥122.9 4,439In Stock	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 about GCT 1 27mm b2b headers sockets	Datasheet	4,439In Stock	¥122.9 ¥117.4 ¥89.9 ¥85.4 View ¥79.1 ¥73.1 ¥68.6 ¥65.3 ¥62.1	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 7w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube BD080-07-A-0230-L-D GCT 1: ¥131.2 1,322In 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	1,322In Stock	¥131.2 ¥113.3 ¥103.6 ¥93.5 View ¥85.2 ¥70.6 ¥62.6 ¥61.8	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: ¥141.2 2,315In 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	2,315In Stock	¥141.2 ¥122.6 ¥112.1 ¥101.2 View ¥92.2 ¥76.4 ¥67.4 ¥66.8	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 10w,1.27mm Socket,DIL, SMT,L/Prof,D/Ent,No Peg,GF,Tube BD050-10-A-0-0500-L-D GCT 1: ¥147.8 2,924In 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	2,924In Stock	¥147.8 ¥134 ¥107.8 ¥102.5 View ¥94.8 ¥89.5 ¥83.9 ¥80.9	Min.: 1 Mult.: 1	Sockets												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: ¥134.5 2,520In 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 about GCT 1mm b2b sil headers sockets	Datasheet	2,520In Stock	¥134.5 ¥114.8 ¥114.4 ¥97.5 View ¥87 ¥82.9 ¥80.6 ¥73.4 ¥69.9	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: ¥176.1 2,203In 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 about GCT 1mm b2b sil headers sockets	Datasheet	2,203In Stock	¥176.1 ¥148.8 ¥148.7 ¥126.4 View ¥112.8 ¥107.3 ¥101 ¥95.8	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 20w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box BC020-20-A-0200-0300-L-G GCT 1: ¥302.3 1,024In 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 about GCT 1mm b2b sil headers sockets	Datasheet	1,024In Stock	¥302.3 ¥257.5 ¥217.6 ¥201 View ¥179.4 ¥172.7 ¥163.9	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, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Box BC020-10-A-0380-0300-L-G GCT 1: ¥274.1 1,446In 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 Learn More about GCT 1mm b2b sil headers sockets	Datasheet	1,446In Stock	¥274.1 ¥235.9 ¥225.9 ¥201 View ¥199.3 ¥182.7 ¥169.4 ¥166.1 ¥151.2	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: ¥108 6,600In Stock 3,040Expected 11/3/2026	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 about GCT 1 27mm b2b headers sockets	Datasheet	6,600In Stock 3,040Expected 11/3/2026	¥108 ¥92.2 ¥76.1 ¥68.9 View ¥66.1 ¥65.3 ¥59.3 ¥56.5	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 2w, 1.0mm Pitch Pin Header, SIL, Through Hole, Vertical, GF, Box BC020-02-A-0200-0300-L-G GCT 1: ¥64.8 2,500In 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 about GCT 1mm b2b sil headers sockets	Datasheet	2,500In Stock	¥64.8 ¥55.5 ¥47 ¥42 View ¥39.9 ¥37.5 ¥35.7 ¥33.9	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: ¥94.7 4,683In 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 Learn More about GCT 1mm b2b sil headers sockets	Datasheet	4,683In Stock	¥94.7 ¥80.9 ¥68.6 ¥61.3 View ¥58.3 ¥52 ¥49.5	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 4w, 1.27mm Pitch Socket, SIL, TH, Vert, GF, Tube BD080-04-A-0230-L-D GCT 1: ¥91.4 1,128In Stock 3,024Expected 12/14/2026	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 about GCT 1 27mm b2b headers sockets	Datasheet	1,128In Stock 3,024Expected 12/14/2026	¥91.4 ¥80.4 ¥73.4 ¥66.3 View ¥60.5 ¥51 ¥47.8 ¥45.7 ¥43.4	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: ¥169.4 35,817Expected 12/1/2026	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 about GCT 1mm b2b sil headers sockets	Datasheet	35,817Expected 12/1/2026	¥169.4 ¥143.3 ¥141 ¥121.9 View ¥120.1 ¥106.6 ¥100 ¥96.7 ¥90.5	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 4W 1mm Pitch Pin Hdr SIL TH Vrt GF BC020-04-A-0200-0300-L-D GCT 1: ¥169.4 2,809Expected 11/5/2026	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	2,809Expected 11/5/2026	¥169.4 ¥143.3 ¥118.4 ¥118.3 View ¥107.3 ¥103.1 ¥92.2	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 10w, 1.0mm Pitch Pin Hdr, SIL, TH, Vert, GF, Tube BC020-10-A-0200-0300-L-D GCT 3,000: ¥138.4 Non-Stocked Lead-Time 8 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 8 Weeks	¥138.4	Min.: 3,000 Mult.: 60													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: ¥137.7 Non-Stocked Lead-Time 8 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 8 Weeks	¥137.7	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: ¥184.4 Non-Stocked Lead-Time 8 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 8 Weeks	¥184.4	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: ¥142.5 Non-Stocked Lead-Time 8 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 8 Weeks	¥142.5	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: ¥191 Non-Stocked Lead-Time 8 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 8 Weeks	¥191	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: ¥147.3 Non-Stocked Lead-Time 8 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 8 Weeks	¥147.3	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: ¥196 Non-Stocked Lead-Time 8 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 8 Weeks	¥196	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: ¥151.3 Non-Stocked Lead-Time 8 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 8 Weeks	¥151.3	Min.: 3,000 Mult.: 100													BC020	Bulk