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4 mm Switches

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Length = 4 mm

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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.	Product Type	Type	Contact Form	Switch Function	Mounting Style
Tactile Switches GULL-WING SMT MJTP1140A Apem 1: $2.15 1,943In Stock	Mfr. Part No. MJTP1140A Mouser Part No 642-MJTP1140A	Apem	Tactile Switches GULL-WING SMT	Datasheet	1,943In Stock	$2.15 $1.97 $1.80 $1.26 View $1.06 $0.961 $0.654	Min.: 1 Mult.: 1	Tactile Switches		SPST	OFF - (ON)	Through Hole
Tactile Switches Tact Switch, SMD 4mm x 4mm Apem MJTP1140TR MJTP1140TR Apem 1: $1.70 4,269In Stock	Mfr. Part No. MJTP1140TR Mouser Part No 642-MJTP1140TR	Apem	Tactile Switches Tact Switch, SMD 4mm x 4mm	Datasheet	4,269In Stock	Cut Tape $1.70 $1.44 $1.40 Reel $1.40	Min.: 1 Mult.: 1 : 3,400	Tactile Switches	Basic Switch	SPST	OFF - (ON)	Through Hole
Tactile Switches Tactile,Top Actuated Gnd.Ter B3U-1100P Aratas 1: $1.06 32,921In Stock 91,000On Order	Mfr. Part No. B3U-1100P Mouser Part No 653-B3U-1100P	Aratas	Tactile Switches Tactile,Top Actuated Gnd.Ter	Datasheet	32,921In Stock 91,000On Order On Order Ship Dates Mfr. No: B3U-1100P Stock: 32,921 Can Dispatch Immediately On Order: 35,000 Expected 29/01/2027 56,000 Expected 02/02/2027 Factory Lead Time: 4 Weeks	Cut Tape $1.06 $0.935 $0.865 $0.815 Reel $0.597 View $0.746 $0.71 $0.678 $0.596 MouseReel Available	Min.: 1 Mult.: 1 : 3,500	Tactile Switches		SPST	OFF - (ON)	SMD/SMT
Tactile Switches SW TACT SPST 0.05A 12VDC 4MM MJTP1140ATR Apem 1: $1.19 4,053In Stock	Mfr. Part No. MJTP1140ATR Mouser Part No 642-MJTP1140ATR	Apem	Tactile Switches SW TACT SPST 0.05A 12VDC 4MM	Datasheet	4,053In Stock	Cut Tape $1.19 $1.02 $1.00 Reel $1.00	Min.: 1 Mult.: 1 : 3,400	Tactile Switches		SPST	OFF - (ON)	Through Hole
Switch Bezels / Switch Caps BLACK 4X4 B3F KEYCAP B32-1010 Aratas 1: $0.26 19,480In Stock	Mfr. Part No. B32-1010 Mouser Part No 653-B32-1010	Aratas	Switch Bezels / Switch Caps BLACK 4X4 B3F KEYCAP	Datasheet	19,480In Stock	$0.26 $0.237 $0.233	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Switch Bezels / Switch Caps 4X4 KEYCAP WHITE B32-1060 Aratas 1: $0.41 7,180In Stock 6,000Expected 25/12/2026	Mfr. Part No. B32-1060 Mouser Part No 653-B32-1060	Aratas	Switch Bezels / Switch Caps 4X4 KEYCAP WHITE	Datasheet	7,180In Stock 6,000Expected 25/12/2026	$0.41 $0.368 $0.354 $0.344 View $0.334 $0.321 $0.305 $0.281	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Tactile Switches Top Act. w/out Boss w/out Ground Term B3U-1000PM Aratas 1: $1.26 9,690In Stock 10,000Expected 02/03/2027	Mfr. Part No. B3U-1000PM Mouser Part No 653-B3U-1000PM	Aratas	Tactile Switches Top Act. w/out Boss w/out Ground Term	Datasheet	9,690In Stock 10,000Expected 02/03/2027	Cut Tape $1.26 $1.14 $0.912 $0.875 Reel $0.776 View $0.776 $0.716 $0.692 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Tactile Switches		SPST	OFF - (ON)	SMD/SMT
Switch Bezels / Switch Caps .157" RND BLK CAP AT4063A NKK Switches 1: $0.80 249In Stock	Mfr. Part No. AT4063A Mouser Part No 633-AT4063A	NKK Switches	Switch Bezels / Switch Caps .157" RND BLK CAP	Datasheet	249In Stock	$0.80 $0.778 $0.756 $0.733 View $0.704 $0.683 $0.663 $0.643	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Button
Switch Bezels / Switch Caps .157" RND WHT CAP AT4063B NKK Switches 1: $0.83 469In Stock	Mfr. Part No. AT4063B Mouser Part No 633-AT4063B	NKK Switches	Switch Bezels / Switch Caps .157" RND WHT CAP	Datasheet	469In Stock	$0.83 $0.761 $0.735 $0.716 View $0.699 $0.643	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Button
Switch Bezels / Switch Caps .157" RND RED CAP AT4063C NKK Switches 1: $0.90 23In Stock	Mfr. Part No. AT4063C Mouser Part No 633-AT4063C	NKK Switches	Switch Bezels / Switch Caps .157" RND RED CAP	Datasheet	23In Stock	$0.90 $0.809 $0.778 $0.756 View $0.733 $0.704 $0.643	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Button
Switch Bezels / Switch Caps ORANG 4X4 B3F KEYCAP B32-1020 Aratas 1: $0.41 3,047In Stock	Mfr. Part No. B32-1020 Mouser Part No 653-B32-1020	Aratas	Switch Bezels / Switch Caps ORANG 4X4 B3F KEYCAP	Datasheet	3,047In Stock	$0.41 $0.368 $0.354 $0.344 View $0.334 $0.321 $0.305 $0.29 $0.281	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Switch Bezels / Switch Caps 4X4 KEYCAP YELLOW B32-1030 Aratas 1: $0.39 1,012In Stock 2,000Expected 23/10/2026	Mfr. Part No. B32-1030 Mouser Part No 653-B32-1030	Aratas	Switch Bezels / Switch Caps 4X4 KEYCAP YELLOW	Datasheet	1,012In Stock 2,000Expected 23/10/2026	$0.39 $0.351 $0.338 $0.328 View $0.319 $0.306 $0.298 $0.287 $0.269	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Switch Bezels / Switch Caps BLUE 4X4 B3F KEYCAP B32-1040 Aratas 1: $0.27 2,298In Stock	Mfr. Part No. B32-1040 Mouser Part No 653-B32-1040	Aratas	Switch Bezels / Switch Caps BLUE 4X4 B3F KEYCAP	Datasheet	2,298In Stock	$0.27 $0.246 $0.236 $0.233	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Switch Bezels / Switch Caps Green 4x4 mm Key Top B32-1050 Aratas 1: $0.41 1,872In Stock 2,000Expected 22/01/2027 New At Mouser	Mfr. Part No. B32-1050 Mouser Part No 653-B32-1050 New At Mouser	Aratas	Switch Bezels / Switch Caps Green 4x4 mm Key Top	Datasheet	1,872In Stock 2,000Expected 22/01/2027	$0.41 $0.368 $0.354 $0.344 View $0.334 $0.321 $0.308 $0.29 $0.281	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Button
Switch Bezels / Switch Caps LT GRN 4mm KEY CAP B32-1070 Aratas 1: $0.41 319In Stock	Mfr. Part No. B32-1070 Mouser Part No 653-B32-1070	Aratas	Switch Bezels / Switch Caps LT GRN 4mm KEY CAP	Datasheet	319In Stock	$0.41 $0.368 $0.354 $0.344 View $0.334 $0.321 $0.305 $0.236 $0.234	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Switch Bezels / Switch Caps RED 4X4 B3F KEYCAP B32-1080 Aratas 1: $0.41 2,961In Stock	Mfr. Part No. B32-1080 Mouser Part No 653-B32-1080	Aratas	Switch Bezels / Switch Caps RED 4X4 B3F KEYCAP	Datasheet	2,961In Stock	$0.41 $0.368 $0.354 $0.344 View $0.334 $0.321 $0.305 $0.29 $0.279	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Tactile Switches Top Actuate w/Boss w/out Ground Term B3U-1000PM-B Aratas 1: $1.62 28In Stock 2,000On Order New At Mouser	Mfr. Part No. B3U-1000PM-B Mouser Part No 653-B3U-1000PM-B New At Mouser	Aratas	Tactile Switches Top Actuate w/Boss w/out Ground Term	Datasheet	28In Stock 2,000On Order On Order Ship Dates Mfr. No: B3U-1000PM-B Stock: 28 Can Dispatch Immediately On Order: 1,000 Expected 11/12/2026 1,000 Expected 09/04/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.62 $1.43 $1.11 $1.03 Reel $0.832 View $0.956 $0.918 $0.831 $0.824 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Tactile Switches		SPST	OFF - (ON)	SMD/SMT
Tactile Switches Top Actuated Ground Tm w/out Boss B3U-1100PM Aratas 1: $1.38 2In Stock 4,000On Order	Mfr. Part No. B3U-1100PM Mouser Part No 653-B3U-1100PM	Aratas	Tactile Switches Top Actuated Ground Tm w/out Boss	Datasheet	2In Stock 4,000On Order On Order Ship Dates Mfr. No: B3U-1100PM Stock: 2 Can Dispatch Immediately On Order: 2,000 Expected 04/03/2027 2,000 Expected 28/05/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.38 $1.21 $1.13 $1.01 Reel $0.76 View $0.928 $0.877 $0.725 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Tactile Switches		SPST	OFF - (ON)	SMD/SMT
Switch Bezels / Switch Caps IVORY 4X4 B3F KEYCAP B32-1000 Aratas 1: $0.39 79,256On Order	Mfr. Part No. B32-1000 Mouser Part No 653-B32-1000	Aratas	Switch Bezels / Switch Caps IVORY 4X4 B3F KEYCAP	Datasheet	79,256On Order On Order Ship Dates Mfr. No: B32-1000 Stock: 0 On Order: 59,256 Expected 11/12/2026 20,000 Expected 18/02/2027 Factory Lead Time: 26 Weeks	$0.39 $0.351 $0.301 $0.293 View $0.289 $0.288 $0.269	Min.: 1 Mult.: 1	Switch Bezels / Switch Caps	Cap
Switch Bezels / Switch Caps .157" DIA BLUE CAP FOR GB & G3B SERIES AT4063G NKK Switches 1,000: $2.00 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. AT4063G Mouser Part No 633-AT4063G	NKK Switches	Switch Bezels / Switch Caps .157" DIA BLUE CAP FOR GB & G3B SERIES	Datasheet	Non-Stocked Lead-Time 10 Weeks	$2.00	Min.: 1,000 Mult.: 1	Switch Bezels / Switch Caps	Button

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