Tactile Switches – Mouser Spain

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B3U Tactile Switch

Industry's smallest ultra-small tactile switch with high contact reliability.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Illuminated	Mounting Style	Mounting Direction	Actuator	Switch Function	Operating Force	Current Rating	Voltage Rating DC	Ground Terminal	Contact Form	Termination Style	Color	Length	Width	Height	Series	Life	IP Rating	Packaging
Tactile Switches Top Actuated w/o boss w/o ground B3U-1000P Aratas 1: 0,963 € 52.117In Stock 133.000On Order	Mfr. Part No. B3U-1000P Mouser Part No 653-B3U-1000P	Aratas	Tactile Switches Top Actuated w/o boss w/o ground	Datasheet	52.117In Stock 133.000On Order On Order Ship Dates Mfr. No: B3U-1000P Stock: 52.117 Can Dispatch Immediately On Order: 70.000 Expected 12/25/2026 63.000 Expected 3/19/2027 Factory Lead Time: 4 Weeks	Cut Tape 0,963 € 0,839 € 0,739 € 0,692 € Reel 0,538 € View 0,608 € 0,583 € 0,562 € 0,513 € MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	No	SPST	Leadless	Black	2.5 mm	3 mm	1.2 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Tactile,Top Actuated Gnd.Ter B3U-1100P Aratas 1: 0,912 € 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 1/29/2027 56.000 Expected 2/2/2027 Factory Lead Time: 4 Weeks	Cut Tape 0,912 € 0,804 € 0,744 € 0,701 € View Reel 0,513 € 0,642 € 0,611 € 0,583 € 0,513 € MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	Yes	SPST	Leadless	Black	4 mm	2.5 mm	1.6 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Top Act. w/out Boss w/out Ground Term B3U-1000PM Aratas 1: 1,08 € 9.690In Stock 10.000Expected 3/2/2027	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 3/2/2027	Cut Tape 1,08 € 0,98 € 0,784 € 0,753 € Reel 0,667 € View 0,667 € 0,616 € 0,595 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	Yes	SPST	Leadless	Black	4 mm	2.5 mm	1.6 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Top Actuate w/Boss w/out Ground Term B3U-1000PM-B Aratas 1: 1,39 € 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 12/11/2026 1.000 Expected 4/9/2027 Factory Lead Time: 26 Weeks	Cut Tape 1,39 € 1,23 € 0,955 € 0,886 € Reel 0,716 € View 0,822 € 0,789 € 0,715 € 0,709 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	Yes	SPST	Leadless	Black	4 mm	2.5 mm	1.6 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Tactile,Top Actuated Gnd.BOSS B3U-1100P-B Aratas 1: 1,07 € 317In Stock	Mfr. Part No. B3U-1100P-B Mouser Part No 653-B3U-1100P-B	Aratas	Tactile Switches Tactile,Top Actuated Gnd.BOSS	Datasheet	317In Stock	Cut Tape 1,07 € 0,912 € 0,845 € 0,753 € View Reel 0,507 € 0,698 € 0,617 € 0,595 € 0,507 € MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	Yes	SPST	Leadless	Black	3 mm	1.2 mm	2.5 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Top Actuated Ground Tm w/out Boss B3U-1100PM Aratas 1: 1,19 € 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 3/4/2027 2.000 Expected 5/28/2027 Factory Lead Time: 26 Weeks	Cut Tape 1,19 € 1,04 € 0,972 € 0,869 € Reel 0,654 € View 0,798 € 0,754 € 0,624 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	No	SPST	Leadless	Black	4 mm	2.5 mm	1.6 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Side Act w/out Boss w/out Ground Term B3U-3000PM Aratas 1: 1,26 € 935In Stock 3.000On Order	Mfr. Part No. B3U-3000PM Mouser Part No 653-B3U-3000PM	Aratas	Tactile Switches Side Act w/out Boss w/out Ground Term	Datasheet	935In Stock 3.000On Order On Order Ship Dates Mfr. No: B3U-3000PM Stock: 935 Can Dispatch Immediately On Order: 1.000 Expected 1/26/2027 2.000 Expected 2/5/2027 Factory Lead Time: 26 Weeks	Cut Tape 1,26 € 1,08 € 0,972 € 0,886 € Reel 0,729 € View 0,814 € 0,77 € 0,654 € 0,624 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.59 N	50 mA	12 VDC	No	SPST	Gull Wing Lead	Black	3 mm	2.5 mm	1.2 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Side Actuate w/Boss w/out Ground Term B3U-3000PM-B Aratas 1: 1,21 € 1.527In Stock	Mfr. Part No. B3U-3000PM-B Mouser Part No 653-B3U-3000PM-B	Aratas	Tactile Switches Side Actuate w/Boss w/out Ground Term	Datasheet	1.527In Stock	Cut Tape 1,21 € 1,04 € 0,972 € 0,869 € Reel 0,714 € View 0,798 € 0,754 € 0,66 € 0,624 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.59 N	50 mA	12 VDC	No	SPST	Gull Wing Lead	Black	3 mm	2.5 mm	1.2 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Tactile SideActuated Ground Term NO Boss B3U-3100P Aratas 1: 0,817 € 296In Stock 8.000Expected 10/23/2026	Mfr. Part No. B3U-3100P Mouser Part No 653-B3U-3100P	Aratas	Tactile Switches Tactile SideActuated Ground Term NO Boss	Datasheet	296In Stock 8.000Expected 10/23/2026	Cut Tape 0,817 € 0,74 € 0,728 € 0,679 € View Reel 0,532 € 0,654 € 0,625 € 0,609 € 0,532 €	Min.: 1 Mult.: 1 : 4.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.6 N	50 mA	12 VDC	Yes	SPST	Solder Pin	Black	3 mm	1.2 mm	2.5 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape
Tactile Switches Tactile SideActuated Ground Term w/Boss B3U-3100P-B Aratas 1: 0,972 € 437In Stock 4.000Expected 12/25/2026 New At Mouser	Mfr. Part No. B3U-3100P-B Mouser Part No 653-B3U-3100P-B New At Mouser	Aratas	Tactile Switches Tactile SideActuated Ground Term w/Boss	Datasheet	437In Stock 4.000Expected 12/25/2026	Cut Tape 0,972 € 0,877 € 0,686 € 0,643 € View Reel 0,561 € 0,599 € 0,572 € 0,561 € 0,561 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.6 N	50 mA	12 VDC	Yes	SPST	Solder Pin	Black	3 mm	1.2 mm	2.5 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Tactile SideActuated Ground Term w/Boss B3U-3100PM-B Aratas 1: 1,11 € 1.130In Stock 1.000Expected 4/16/2027 New At Mouser	Mfr. Part No. B3U-3100PM-B Mouser Part No 653-B3U-3100PM-B New At Mouser	Aratas	Tactile Switches Tactile SideActuated Ground Term w/Boss	Datasheet	1.130In Stock 1.000Expected 4/16/2027	Cut Tape 1,11 € 1,04 € 0,972 € 0,869 € Reel 0,714 € View 0,798 € 0,754 € 0,624 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.6 N	50 mA	12 VDC	Yes	SPST	Gull Wing Lead	Black	3 mm	2.5 mm	1.2 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Side Actuated w/o boss w/o ground B3U-3000P Aratas 1: 0,989 € 51.845On Order	Mfr. Part No. B3U-3000P Mouser Part No 653-B3U-3000P	Aratas	Tactile Switches Side Actuated w/o boss w/o ground	Datasheet	51.845On Order On Order Ship Dates Mfr. No: B3U-3000P Stock: 0 On Order: 7.845 Expected 11/27/2026 44.000 Expected 1/29/2027 Factory Lead Time: 4 Weeks	Cut Tape 0,989 € 0,857 € 0,731 € 0,653 € View Reel 0,519 € 0,587 € 0,568 € 0,557 € 0,519 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.6 N	50 mA	12 VDC	No	SPST	Leadless	Black	2.5 mm	3 mm	1.2 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Top Actuated with boss w/o ground B3U-1000P-B Aratas 1: 0,972 € 19.908On Order	Mfr. Part No. B3U-1000P-B Mouser Part No 653-B3U-1000P-B	Aratas	Tactile Switches Top Actuated with boss w/o ground	Datasheet	19.908On Order On Order Ship Dates Mfr. No: B3U-1000P-B Stock: 0 On Order: 9.408 Expected 11/27/2026 10.500 Expected 1/1/2027 Factory Lead Time: 4 Weeks	Cut Tape 0,972 € 0,857 € 0,797 € 0,711 € Reel 0,519 € View 0,659 € 0,623 € 0,589 € 0,508 € MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Non-Illuminated	SMD/SMT	Straight	Round	OFF - (ON)	1.5 N	50 mA	12 VDC	No	SPST	Leadless	Black	2.5 mm	3 mm	1.2 mm	B3U	200000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Side Actuated with boss w/o ground B3U-3000P-B Aratas 1: 0,937 € 7.100Expected 11/27/2026 New At Mouser	Mfr. Part No. B3U-3000P-B Mouser Part No 653-B3U-3000P-B New At Mouser	Aratas	Tactile Switches Side Actuated with boss w/o ground	Datasheet	7.100Expected 11/27/2026	Cut Tape 0,937 € 0,825 € 0,711 € 0,667 € View Reel 0,562 € 0,631 € 0,607 € 0,588 € 0,562 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.6 N	50 mA	12 VDC	No	SPST	Leadless	Black	2.5 mm	3 mm	1.2 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Tactile SideActuated Ground Term NO Boss B3U-3100PM Aratas 1: 1,23 € 1.890Expected 2/26/2027 New At Mouser	Mfr. Part No. B3U-3100PM Mouser Part No 653-B3U-3100PM New At Mouser	Aratas	Tactile Switches Tactile SideActuated Ground Term NO Boss	Datasheet	1.890Expected 2/26/2027	Cut Tape 1,23 € 1,07 € 0,989 € 0,877 € Reel 0,704 € View 0,813 € 0,768 € 0,672 € 0,649 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated	SMD/SMT	Right Angle	Rectangular	OFF - (ON)	1.59 N	50 mA	12 VDC	Yes	SPST	Gull Wing Lead	Black	3 mm	2.5 mm	1.2 mm	B3U	100000 Cycle	IP40	Reel, Cut Tape, MouseReel
Tactile Switches Top Actuated Ground Term w/Boss Aratas B3U-1100PM-B B3U-1100PM-B Aratas 1: 1,19 € Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. B3U-1100PM-B Mouser Part No 653-B3U-1100PM-B	Aratas	Tactile Switches Top Actuated Ground Term w/Boss	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape 1,19 € 1,08 € 0,989 € 0,903 € Reel 0,639 € View 0,846 € 0,65 € 0,629 €	Min.: 1 Mult.: 1 : 1.000	Non-Illuminated						50 mA	12 VDC								B3U			Reel, Cut Tape

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