Basic / Snap Action Switches

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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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Part #

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins Low Current MIL

B3-15342
OTTO
1: ¥7,635.6
10In Stock

Mfr. Part #
B3-15342

Mouser Part #
999-B3-15342

OTTO

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins Low Current MIL

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Datasheet

10In Stock

¥7,635.6

¥6,682.2

¥5,683.9

¥5,346.8

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

6 oz

Solder Pin, Right Angle

PCB Mount

Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current MIL

B3-22131
OTTO
1: ¥5,099.3
12In Stock

Mfr. Part #
B3-22131

Mouser Part #
999-B3-22131

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current MIL

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Datasheet

12In Stock

¥5,099.3

¥3,825.3

¥3,262.2

¥3,106.1

View

Min.: 1
Mult.: 1

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 Turret 1/8 High Current MIL

B3-22211
OTTO
1: ¥5,640.8
15In Stock

Mfr. Part #
B3-22211

Mouser Part #
999-B3-22211

OTTO

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL

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Datasheet

15In Stock

¥5,640.8

¥4,230.6

¥3,607.7

¥3,434.9

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

5 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB Wire Wrap High Current MIL

B3-24141
OTTO
1: ¥5,818.5
15In Stock

Mfr. Part #
B3-24141

Mouser Part #
999-B3-24141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Wire Wrap High Current MIL

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Datasheet

15In Stock

¥5,818.5

¥4,365.1

¥3,722.3

¥3,542.9

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB RA PC Pin High Current MIL

B3-25241
OTTO
1: ¥6,536
15In Stock

Mfr. Part #
B3-25241

Mouser Part #
999-B3-25241

OTTO

Basic / Snap Action Switches 8A SPDT-DB RA PC Pin High Current MIL

Learn More

Datasheet

15In Stock

¥6,536

¥4,903.3

¥4,180.7

¥3,956.5

View

Min.: 1
Mult.: 1

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 SPNO-DB Turret 1/8 Low Current

B3-32112
OTTO
1: ¥6,612.4
15In Stock

Mfr. Part #
B3-32112

Mouser Part #
999-B3-32112

OTTO

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 Low Current

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Datasheet

15In Stock

¥6,612.4

¥4,959.7

¥4,227.2

¥4,003

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPST-NO

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPNC-DB Turret 1/8 High Current

B3-32121
OTTO
1: ¥5,175.7
15In Stock

Mfr. Part #
B3-32121

Mouser Part #
999-B3-32121

OTTO

Basic / Snap Action Switches 8A SPNC-DB Turret 1/8 High Current

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Datasheet

15In Stock

¥5,175.7

¥3,881.8

¥3,310.4

¥3,150.9

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPST-NC

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins High Current

B3-35141
OTTO
1: ¥6,071
15In Stock

Mfr. Part #
B3-35141

Mouser Part #
999-B3-35141

OTTO

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins High Current

Learn More

Datasheet

15In Stock

¥6,071

¥4,554.5

¥3,883.4

¥3,697.4

View

Min.: 1
Mult.: 1

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 Pins High Current

B3-35241
OTTO
1: ¥6,431.4
15In Stock

Mfr. Part #
B3-35241

Mouser Part #
999-B3-35241

OTTO

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins High Current

Learn More

Datasheet

15In Stock

¥6,431.4

¥4,823.5

¥4,112.6

¥3,893.4

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin, Right Angle

PCB Mount

Basic / Snap Action Switches 8A SPDT RA PC High Current

B3-45131
OTTO
1: ¥5,818.5
15In Stock

Mfr. Part #
B3-45131

Mouser Part #
999-B3-45131

OTTO

Basic / Snap Action Switches 8A SPDT RA PC High Current

Learn More

Datasheet

15In Stock

¥5,818.5

¥4,365.1

¥3,722.3

¥3,542.9

View

Min.: 1
Mult.: 1

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 Subminiature Basic Switch

B3-33341
OTTO
1: ¥4,939.8
3In Stock

Mfr. Part #
B3-33341

Mouser Part #
999-B3-33341

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Datasheet

3In Stock

¥4,939.8

¥4,054.5

¥3,710.7

¥3,532.9

View

Min.: 1
Mult.: 1

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: ¥6,109.2
95In Stock

Mfr. Part #
B3-12111

Mouser Part #
999-B3-12111

OTTO

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL

Learn More

Datasheet

95In Stock

¥6,109.2

¥4,582.7

¥4,200.7

¥3,946.5

View

Min.: 1
Mult.: 1

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: ¥4,876.7
885In Stock

Mfr. Part #
B3-12141

Mouser Part #
999-B3-12141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

Learn More

Datasheet

885In Stock

¥4,876.7

¥4,029.6

¥3,770.5

¥3,559.5

View

Min.: 1
Mult.: 1

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: ¥7,545.9
15In Stock

Mfr. Part #
B3-12112

Mouser Part #
999-B3-12112

OTTO

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 Low Current MIL

Learn More

Datasheet

15In Stock

¥7,545.9

¥5,660.7

¥4,826.9

¥4,569.4

View

Min.: 1
Mult.: 1

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: ¥5,780.3
4In Stock

Mfr. Part #
B3-12142

Mouser Part #
999-B3-12142

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL

Learn More

Datasheet

4In Stock

¥5,780.3

¥4,919.9

¥4,584.4

¥4,345.2

View

Min.: 1
Mult.: 1

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 HighCurrent MIL

B3-13131
OTTO
1: ¥5,115.9
6In Stock

Mfr. Part #
B3-13131

Mouser Part #
999-B3-13131

OTTO

Basic / Snap Action Switches 8A SPDT Turret 3/16 HighCurrent MIL

Learn More

Datasheet

6In Stock

¥5,115.9

¥4,316.9

¥3,853.5

¥3,614.3

View

Min.: 1
Mult.: 1

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: ¥7,452.9
13In Stock

Mfr. Part #
B3-13132

Mouser Part #
999-B3-13132

OTTO

Basic / Snap Action Switches 8A SPDT Turret 3/16 Low Current MIL

Learn More

Datasheet

13In Stock

¥7,452.9

¥5,590.9

¥4,767.1

¥4,512.9

View

Min.: 1
Mult.: 1

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: ¥3,506.4
32In Stock

Mfr. Part #
B3-22141

Mouser Part #
999-B3-22141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

Learn More

Datasheet

32In Stock

¥3,506.4

¥3,305.4

¥3,243.9

¥3,057.9

View

Min.: 1
Mult.: 1

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: ¥5,459.7
19In Stock

Mfr. Part #
B3-22241

Mouser Part #
999-B3-22241

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

Learn More

Datasheet

19In Stock

¥5,459.7

¥4,262.1

¥3,793.7

¥3,518

View

Min.: 1
Mult.: 1

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: ¥4,341.9
13In Stock

Mfr. Part #
B3-26141

Mouser Part #
999-B3-26141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Solder High Current MIL

Learn More

Datasheet

13In Stock

¥4,341.9

¥3,599.4

¥3,383.5

¥3,185.8

View

Min.: 1
Mult.: 1

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: ¥5,688.9
8In Stock

Mfr. Part #
B3-32131

Mouser Part #
999-B3-32131

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current

Learn More

Datasheet

8In Stock

¥5,688.9

¥4,066.1

¥3,488.1

¥3,209.1

View

Min.: 1
Mult.: 1

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

B3-42141
OTTO
1: ¥3,860.2
415In Stock
1,000Expected 9/28/2026

Mfr. Part #
B3-42141

Mouser Part #
999-B3-42141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current

Learn More

Datasheet

415In Stock

1,000Expected 9/28/2026

¥3,860.2

¥3,252.2

¥2,974.9

¥2,843.6

View

Min.: 1
Mult.: 1

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 1/8 High Current MIL

B3-12131
OTTO
1: ¥4,826.9
107On Order

Mfr. Part #
B3-12131

Mouser Part #
999-B3-12131

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current MIL

Learn More

Datasheet

107On Order

¥4,826.9

¥4,067.8

¥3,720.6

¥3,554.5

View

Min.: 1
Mult.: 1

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 PC Pins High Current MIL

B3-11141
OTTO
1: ¥5,046.1
7Expected 8/24/2026

Mfr. Part #
B3-11141

Mouser Part #
999-B3-11141

OTTO

Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL

Learn More

Datasheet

7Expected 8/24/2026

¥5,046.1

¥4,142.5

¥3,790.4

¥3,609.4

View

Min.: 1
Mult.: 1

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 PC Pins Low Current MIL

B3-11232
OTTO
1: ¥6,288.5
23Expected 9/24/2026

Mfr. Part #
B3-11232

Mouser Part #
999-B3-11232

OTTO

Basic / Snap Action Switches 8A SPDT PC Pins Low Current MIL

Learn More

Datasheet

23Expected 9/24/2026

¥6,288.5

¥5,298.6

¥4,848.5

¥4,597.6

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin

PCB Mount