Board to Board & Mezzanine Connectors

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2mm B2B SIL/DIL Sockets & Headers

GCT 2mm B2B SIL/DIL Sockets & Headers offer a 2A current rating, 20mΩ contact resistance, and 500V_AC dielectric withstanding voltage. These SIL/DIL sockets feature 2mm pitch, a single-row design, straight orientation, and carry 2 to 40 contacts. The BF085 has a top-entry design and through-hole PCB mounting type, while the BF090 is a surface-mount PCB type with dual-entry construction. GCT 2mm B2B SIL Sockets operate in the -40°C to +105°C temperature range.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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 4w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, T+R+F BF100-04-A-D-0-0640-L-C GCT 1: $0.45 2,785In Stock	Mfr. Part No. BF100-04-A-D-0-0640-L-C Mouser Part No 640-BF104AD640-LC	GCT	Board to Board & Mezzanine Connectors 4w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	2,785In Stock	Cut Tape $0.45 $0.382 $0.325 $0.279 Reel $0.265 View $0.258 $0.236	Min.: 1 Mult.: 1 : 850												BF100	Reel, Cut Tape
Board to Board & Mezzanine Connectors 8w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F BF100-08-A-D-1-0640-L-C GCT 1: $0.53 197In Stock	Mfr. Part No. BF100-08-A-D-1-0640-L-C Mouser Part No 640-BF108AD10640-LC	GCT	Board to Board & Mezzanine Connectors 8w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	197In Stock	Cut Tape $0.53 $0.449 $0.382 $0.328 Reel $0.312 View $0.292 $0.278	Min.: 1 Mult.: 1 : 850												BF100	Reel, Cut Tape
Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F BF100-10-A-D-1-0640-L-C GCT 1: $0.61 3,240In Stock	Mfr. Part No. BF100-10-A-D-1-0640-L-C Mouser Part No 640-BF110AD10640-LC	GCT	Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	3,240In Stock	Cut Tape $0.61 $0.515 $0.438 $0.377 Reel $0.358 View $0.352 $0.32 $0.319	Min.: 1 Mult.: 1 : 850												BF100	Reel, Cut Tape
Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, T+R+F BF100-10-A-D-0-0640-L-C GCT 1: $0.61 4,200In Stock	Mfr. Part No. BF100-10-A-D-0-0640-L-C Mouser Part No 640-BF110AD640-LC	GCT	Board to Board & Mezzanine Connectors 10w, 2mm Pitch Socket, DIL, SMT, Vert, No Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	4,200In Stock	Cut Tape $0.61 $0.515 $0.438 $0.377 Reel $0.358 View $0.336 $0.32 $0.319	Min.: 1 Mult.: 1 : 850												BF100	Reel, Cut Tape
Board to Board & Mezzanine Connectors 14w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F BF100-14-A-D-1-0640-L-C GCT 1: $0.81 3,263In Stock 3,400Expected 05/11/2026	Mfr. Part No. BF100-14-A-D-1-0640-L-C Mouser Part No 640-BF114AD10640-LC	GCT	Board to Board & Mezzanine Connectors 14w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	3,263In Stock 3,400Expected 05/11/2026	Cut Tape $0.81 $0.685 $0.582 $0.501 Reel $0.476 View $0.446 $0.425	Min.: 1 Mult.: 1 : 850												BF100	Reel, Cut Tape
Board to Board & Mezzanine Connectors 20w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F BF100-20-A-D-1-0640-L-C GCT 1: $0.94 2,069In Stock	Mfr. Part No. BF100-20-A-D-1-0640-L-C Mouser Part No 640-BF120AD10640-LC	GCT	Board to Board & Mezzanine Connectors 20w, 2mm Pitch Socket, DIL, SMT, Vert, W/Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	2,069In Stock	Cut Tape $0.94 $0.798 $0.678 $0.583 Reel $0.554 View $0.52 $0.507	Min.: 1 Mult.: 1 : 850												BF100	Reel, Cut Tape
Board to Board & Mezzanine Connectors 6w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F BF121-06-A-0-L-C GCT 1: $0.81 2,046In Stock	Mfr. Part No. BF121-06-A-0-L-C Mouser Part No 640-BF12106A0LC	GCT	Board to Board & Mezzanine Connectors 6w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	2,046In Stock	Cut Tape $0.81 $0.687 $0.584 $0.521 Reel $0.458 $0.451	Min.: 1 Mult.: 1 : 1,200	6 Position	2 mm (0.079 in)	2 Row	Solder	Vertical	2 A	- 40 C	+ 105 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	BF121	Reel, Cut Tape
Board to Board & Mezzanine Connectors 10w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F BF121-10-A-0-L-C GCT 1: $0.86 840In Stock 3,000Expected 27/11/2026	Mfr. Part No. BF121-10-A-0-L-C Mouser Part No 640-BF12110A0LC	GCT	Board to Board & Mezzanine Connectors 10w, 2mm Socket, DIL, SMT, Vert, D/Ent, No Peg, GF, T+R+F Learn More about GCT 2mm b2b sil sockets	Datasheet	840In Stock 3,000Expected 27/11/2026	Cut Tape $0.86 $0.73 $0.62 $0.554 Reel $0.51 View $0.531 $0.492	Min.: 1 Mult.: 1 : 1,500												BF121	Reel, Cut Tape
Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-10A-B0-0400-0220-0600-LD GCT 3,000: $0.562 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-10A-B0-0400-0220-0600-LD Mouser Part No 640-BF030-10AB4226LD	GCT	Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.562	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-10A-B0-0600-0220-0600-LD GCT 3,000: $0.562 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-10A-B0-0600-0220-0600-LD Mouser Part No 640-BF030-10AB6226LD	GCT	Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.562	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-12A-B0-0400-0220-0600-LD GCT 3,000: $0.672 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-12A-B0-0400-0220-0600-LD Mouser Part No 640-BF030-12AB4226LD	GCT	Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.672	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-12A-B0-0600-0220-0600-LD GCT 3,000: $0.672 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-12A-B0-0600-0220-0600-LD Mouser Part No 640-BF030-12AB6226LD	GCT	Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.672	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-12A-B0-0200-0277-0600-LD GCT 3,000: $0.582 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-12A-B0-0200-0277-0600-LD Mouser Part No 640-BF030-12B22776LD	GCT	Board to Board & Mezzanine Connectors 12w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.582	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-14A-B0-0400-0220-0600-LD GCT 3,000: $0.775 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-14A-B0-0400-0220-0600-LD Mouser Part No 640-BF030-14AB4226LD	GCT	Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.775	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-14A-B0-0600-0220-0600-LD GCT 3,000: $0.775 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-14A-B0-0600-0220-0600-LD Mouser Part No 640-BF030-14AB6226LD	GCT	Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.775	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-14A-B0-0200-0277-0600-LD GCT 3,000: $0.676 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-14A-B0-0200-0277-0600-LD Mouser Part No 640-BF030-14B22776LD	GCT	Board to Board & Mezzanine Connectors 14w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.676	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 16w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-16A-B0-0400-0220-0600-LD GCT 3,000: $0.859 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-16A-B0-0400-0220-0600-LD Mouser Part No 640-BF030-16AB4226LD	GCT	Board to Board & Mezzanine Connectors 16w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.859	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 16w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-16A-B0-0600-0220-0600-LD GCT 3,000: $0.859 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-16A-B0-0600-0220-0600-LD Mouser Part No 640-BF030-16AB6226LD	GCT	Board to Board & Mezzanine Connectors 16w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.859	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 16w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-16A-B0-0200-0277-0600-LD GCT 3,000: $0.774 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-16A-B0-0200-0277-0600-LD Mouser Part No 640-BF030-16B22776LD	GCT	Board to Board & Mezzanine Connectors 16w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.774	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 18w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-18A-B0-0400-0220-0600-LD GCT 3,000: $0.963 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-18A-B0-0400-0220-0600-LD Mouser Part No 640-BF030-18AB4226LD	GCT	Board to Board & Mezzanine Connectors 18w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.963	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 18w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-18A-B0-0600-0220-0600-LD GCT 3,000: $0.963 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-18A-B0-0600-0220-0600-LD Mouser Part No 640-BF030-18AB6226LD	GCT	Board to Board & Mezzanine Connectors 18w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.963	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 18w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-18A-B0-0200-0277-0600-LD GCT 3,000: $0.869 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-18A-B0-0200-0277-0600-LD Mouser Part No 640-BF030-18B22776LD	GCT	Board to Board & Mezzanine Connectors 18w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.869	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-10A-B0-0200-0277-0600-LD GCT 3,000: $0.486 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-10A-B0-0200-0277-0600-LD Mouser Part No 640-BF030-1AB22776LD	GCT	Board to Board & Mezzanine Connectors 10w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$0.486	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 22w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-22A-B0-0400-0220-0600-LD GCT 3,000: $1.17 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-22A-B0-0400-0220-0600-LD Mouser Part No 640-BF030-22AB4226LD	GCT	Board to Board & Mezzanine Connectors 22w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$1.17	Min.: 3,000 Mult.: 100												BF030	Tube
Board to Board & Mezzanine Connectors 22w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube BF030-22A-B0-0600-0220-0600-LD GCT 3,000: $1.17 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. BF030-22A-B0-0600-0220-0600-LD Mouser Part No 640-BF030-22AB6226LD	GCT	Board to Board & Mezzanine Connectors 22w, 2mm Pitch Pin Hdr, DIL, SMT, Vert, No Peg, GF, Tube Learn More about GCT 2mm b2b sil sockets	Datasheet	Non-Stocked Lead-Time 8 Weeks	$1.17	Min.: 3,000 Mult.: 100												BF030	Tube

2mm B2B SIL/DIL Sockets & Headers

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2mm B2B SIL/DIL Sockets & Headers

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