Basic / Snap Action Switches – Mouser South Africa

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B3 Basic Subminiature Snap-Action Switches

OTTO B3 Basic Subminiature Snap-Action Switches are SPDT, double-break, 2-circuit (Form Z), commercial and military-grade switches that meet all requirements of MIL-PRF-8805/76 (0.200" wide) or MIL-PRF-8805/101. The 0.156" thick components (MIL-PRF-8805/101) feature a minimum of one million mechanical cycles, contact resistance less than 25mΩ, and standard silver with gold contacts. For commercial applications, a variety of contact forms, special forces, and gold plate contacts are available. Most versions are also UL recognized and CSA certified.

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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.	Series	Type	Contact Form	Switch Function	Actuator	Current Rating	Voltage Rating AC	Voltage Rating DC	Operating Force	Termination Style	Mounting Style
Basic / Snap Action Switches 8A SPDT-DB Wire Wrap High Current MIL B3-14341 OTTO 1: $55.70 15In Stock	Mfr. Part No. B3-14341 Mouser Part No 999-B3-14341	OTTO	Basic / Snap Action Switches 8A SPDT-DB Wire Wrap High Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	$55.70 $41.77 $35.62 $33.72 View $31.04 $30.08 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	6 oz		Chassis Mount
Basic / Snap Action Switches 8A SPDT RA PC Pins HighCurrent MIL B3-15231 OTTO 1: $55.70 10In Stock	Mfr. Part No. B3-15231 Mouser Part No 999-B3-15231	OTTO	Basic / Snap Action Switches 8A SPDT RA PC Pins HighCurrent MIL Learn More about OTTO OTTOB3	Datasheet	10In Stock	$55.70 $41.77 $35.62 $33.72 View $31.04 $30.08 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Pin, Right Angle	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB RA PC Pins HighCurrent MIL B3-15241 OTTO 1: $47.42 25In Stock	Mfr. Part No. B3-15241 Mouser Part No 999-B3-15241	OTTO	Basic / Snap Action Switches 8A SPDT-DB RA PC Pins HighCurrent MIL Learn More about OTTO OTTOB3	Datasheet	25In Stock	$47.42 $38.91 $35.62 $33.72 View $31.04 $30.09 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Pin, Right Angle	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL B3-21141 OTTO 1: $38.57 19In Stock	Mfr. Part No. B3-21141 Mouser Part No 999-B3-21141	OTTO	Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL Learn More about OTTO OTTOB3	Datasheet	19In Stock	$38.57 $28.92 $24.67 $23.49 View $21.49 $20.83 $20.82	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Pin	PCB Mount
Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current MIL B3-22132 OTTO 1: $49.43 15In Stock	Mfr. Part No. B3-22132 Mouser Part No 999-B3-22132	OTTO	Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	$49.43 $37.08 $31.03 $29.42 View $27.19 $26.49	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPNO-DB Wire Wrap High Current MIL B3-24212 OTTO 1: $58.94 15In Stock	Mfr. Part No. B3-24212 Mouser Part No 999-B3-24212	OTTO	Basic / Snap Action Switches 8A SPNO-DB Wire Wrap High Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	$58.94 $44.23 $37.70 $35.68 View $32.85 $31.83 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPST-NO		Button	8 A	115 VAC	28 VDC	5 oz		Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB RA PC Pin High Current MIL B3-25141 OTTO 1: $46.72 20In Stock	Mfr. Part No. B3-25141 Mouser Part No 999-B3-25141	OTTO	Basic / Snap Action Switches 8A SPDT-DB RA PC Pin High Current MIL Learn More about OTTO OTTOB3	Datasheet	20In Stock	$46.72 $35.04 $29.88 $28.45 View $26.04 $25.24 $25.23	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Pin, Right Angle	PCB Mount
Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current B3-32132 OTTO 1: $48.64 7In Stock	Mfr. Part No. B3-32132 Mouser Part No 999-B3-32132	OTTO	Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current Learn More about OTTO OTTOB3	Datasheet	7In Stock	$48.64 $36.47 $31.10 $29.45 View $27.11 $26.26 $26.25 Quote	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB RA PC High Current B3-45141 OTTO 1: $44.00 15In Stock	Mfr. Part No. B3-45141 Mouser Part No 999-B3-45141	OTTO	Basic / Snap Action Switches 8A SPDT-DB RA PC High Current Learn More about OTTO OTTOB3	Datasheet	15In Stock	$44.00 $33.01 $28.14 $26.80 View $24.53 $23.75	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Pin, Right Angle	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB RA PC Low Current B3-45142 OTTO 1: $54.86 15In Stock	Mfr. Part No. B3-45142 Mouser Part No 999-B3-45142	OTTO	Basic / Snap Action Switches 8A SPDT-DB RA PC Low Current Learn More about OTTO OTTOB3	Datasheet	15In Stock	$54.86 $41.16 $35.10 $33.23 View $30.58 $29.63 Quote	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Pin, Right Angle	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB Solder Low Current B3-46142 OTTO 1: $47.39 1In Stock	Mfr. Part No. B3-46142 Mouser Part No 999-B3-46142	OTTO	Basic / Snap Action Switches 8A SPDT-DB Solder Low Current Learn More about OTTO OTTOB3	Datasheet	1In Stock	$47.39 $33.11 $30.31 $28.87 View $26.41 $25.59 Quote	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Terminal	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL B3-11141 OTTO 1: $38.16 7In Stock	Mfr. Part No. B3-11141 Mouser Part No 999-B3-11141	OTTO	Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL Learn More about OTTO OTTOB3	Datasheet	7In Stock	$38.16 $31.33 $28.67 $27.30 View $24.98 $24.20 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Pin	PCB Mount
Basic / Snap Action Switches Subminiature Basic Switch OTTO B3-33341 B3-33341 OTTO 1: $37.36 3In Stock	Mfr. Part No. B3-33341 Mouser Part No 999-B3-33341	OTTO	Basic / Snap Action Switches Subminiature Basic Switch	Datasheet	3In Stock	$37.36 $30.66 $28.06 $26.71 View $24.45 $23.69 Quote	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	5 A	115 VAC	28 VDC	5 oz	Wire Lead	PCB Mount
Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL B3-12111 OTTO 1: $46.19 95In Stock	Mfr. Part No. B3-12111 Mouser Part No 999-B3-12111	OTTO	Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	95In Stock	$46.19 $34.66 $31.76 $29.84 View $25.76 $24.96 $24.95 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPST-NO		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL B3-12141 OTTO 1: $36.88 885In Stock	Mfr. Part No. B3-12141 Mouser Part No 999-B3-12141	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	885In Stock	$36.88 $30.47 $28.52 $26.91 View $25.54 Quote	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 Low Current MIL B3-12112 OTTO 1: $57.06 15In Stock	Mfr. Part No. B3-12112 Mouser Part No 999-B3-12112	OTTO	Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	$57.06 $42.81 $36.49 $34.55 View $31.81 $30.82 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPST-NO		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL B3-12142 OTTO 1: $43.71 4In Stock	Mfr. Part No. B3-12142 Mouser Part No 999-B3-12142	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	4In Stock	$43.71 $37.20 $35.33 $33.39 View $31.06 $29.84	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL B3-12241 OTTO 1: $47.54 9In Stock	Mfr. Part No. B3-12241 Mouser Part No 999-B3-12241	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	9In Stock	$47.54 $35.67 $30.41 $28.95 View $26.50 $25.68 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT Turret 3/16 HighCurrent MIL B3-13131 OTTO 1: $38.68 6In Stock	Mfr. Part No. B3-13131 Mouser Part No 999-B3-13131	OTTO	Basic / Snap Action Switches 8A SPDT Turret 3/16 HighCurrent MIL Learn More about OTTO OTTOB3	Datasheet	6In Stock	$38.68 $32.65 $29.14 $27.33 View $24.53 $22.93 Quote	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT Turret 3/16 Low Current MIL B3-13132 OTTO 1: $56.36 13In Stock	Mfr. Part No. B3-13132 Mouser Part No 999-B3-13132	OTTO	Basic / Snap Action Switches 8A SPDT Turret 3/16 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	13In Stock	$56.36 $42.28 $36.05 $34.12 View $31.41 $30.44 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL B3-22141 OTTO 1: $26.52 32In Stock	Mfr. Part No. B3-22141 Mouser Part No 999-B3-22141	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	32In Stock	$26.52 $24.99 $24.53 $23.12 View $21.46 $21.11 $21.02 Quote	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL B3-22241 OTTO 1: $41.19 19In Stock	Mfr. Part No. B3-22241 Mouser Part No 999-B3-22241	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	19In Stock	$41.19 $31.44 $28.24 $26.26 View $24.25 $23.27 $23.26 Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Solder High Current MIL B3-26141 OTTO 1: $32.83 13In Stock	Mfr. Part No. B3-26141 Mouser Part No 999-B3-26141	OTTO	Basic / Snap Action Switches 8A SPDT-DB Solder High Current MIL Learn More about OTTO OTTOB3	Datasheet	13In Stock	$32.83 $27.21 $25.59 $24.09 View $22.19 $20.89 Quote	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Terminal	PCB Mount
Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current B3-32131 OTTO 1: $29.90 8In Stock	Mfr. Part No. B3-32131 Mouser Part No 999-B3-32131	OTTO	Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current Learn More about OTTO OTTOB3	Datasheet	8In Stock	$29.90 $25.37 $23.14 $22.12 View $20.77 $20.15 Quote	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT PC Pins Low Current MIL B3-11232 OTTO 1: $47.56 23Expected 2026/10/26	Mfr. Part No. B3-11232 Mouser Part No 999-B3-11232	OTTO	Basic / Snap Action Switches 8A SPDT PC Pins Low Current MIL Learn More about OTTO OTTOB3	Datasheet	23Expected 2026/10/26	$47.56 $40.07 $36.67 $34.76 View $32.13 $31.30	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Pin	PCB Mount

B3 Basic Subminiature Snap-Action Switches

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