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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Results: 151

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Part #

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

B3-42141
OTTO
1: S/90.46
415In Stock
1,000Expected 10/8/2026

Mfr. Part #
B3-42141

Mouser Part #
999-B3-42141

OTTO

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

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Datasheet

415In Stock

1,000Expected 10/8/2026

S/90.46

S/76.22

S/69.71

S/66.64

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 PC Pins Low Current MIL

B3-11132
OTTO
1: S/172.59
25In Stock

Mfr. Part #
B3-11132

Mouser Part #
999-B3-11132

OTTO

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

Learn More

Datasheet

25In Stock

S/172.59

S/129.46

S/118.68

S/104.47

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 SPNC-DB Turret 1/8 High Current MIL

B3-12121
OTTO
1: S/143.17
15In Stock

Mfr. Part #
B3-12121

Mouser Part #
999-B3-12121

OTTO

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

Learn More

Datasheet

15In Stock

S/143.17

S/107.39

S/91.59

S/87.19

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NC

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 Low Current MIL

B3-12122
OTTO
1: S/176.84
15In Stock

Mfr. Part #
B3-12122

Mouser Part #
999-B3-12122

OTTO

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

Learn More

Datasheet

15In Stock

S/176.84

S/132.66

S/113.12

S/107.08

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NC

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Turret

Chassis Mount

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

B3-12232
OTTO
1: S/181.00
7In Stock

Mfr. Part #
B3-12232

Mouser Part #
999-B3-12232

OTTO

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

Learn More

Datasheet

7In Stock

S/181.00

S/135.81

S/115.76

S/109.57

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 Turret 1/8 Low Current MIL

B3-12242
OTTO
1: S/181.00
10In Stock

Mfr. Part #
B3-12242

Mouser Part #
999-B3-12242

OTTO

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

Learn More

Datasheet

10In Stock

S/181.00

S/135.81

S/115.76

S/109.57

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 Turret 3/16 Low Current MIL

B3-13342
OTTO
1: S/159.63
10In Stock

Mfr. Part #
B3-13342

Mouser Part #
999-B3-13342

OTTO

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

Learn More

Datasheet

10In Stock

S/159.63

S/139.66

S/120.28

S/113.74

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

6 oz

Solder Turret

Chassis Mount

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

B3-14121
OTTO
1: S/159.98
1In Stock

Mfr. Part #
B3-14121

Mouser Part #
999-B3-14121

OTTO

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

Learn More

Datasheet

1In Stock

S/159.98

S/111.83

S/102.37

S/96.85

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NC

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Chassis Mount

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

B3-14341
OTTO
1: S/172.59
15In Stock

Mfr. Part #
B3-14341

Mouser Part #
999-B3-14341

OTTO

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

Learn More

Datasheet

15In Stock

S/172.59

S/129.46

S/110.39

S/104.47

View

Min.: 1
Mult.: 1

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: S/172.59
10In Stock

Mfr. Part #
B3-15231

Mouser Part #
999-B3-15231

OTTO

Basic / Snap Action Switches 8A SPDT RA PC Pins HighCurrent MIL

Learn More

Datasheet

10In Stock

S/172.59

S/129.46

S/110.39

S/104.47

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 SPDT-DB RA PC Pins HighCurrent MIL

B3-15241
OTTO
1: S/146.94
25In Stock

Mfr. Part #
B3-15241

Mouser Part #
999-B3-15241

OTTO

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

Learn More

Datasheet

25In Stock

S/146.94

S/120.59

S/110.39

S/104.47

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 SPDT-DB PC Pins High Current MIL

B3-21141
OTTO
1: S/119.50
19In Stock

Mfr. Part #
B3-21141

Mouser Part #
999-B3-21141

OTTO

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

Learn More

Datasheet

19In Stock

S/119.50

S/89.64

S/76.45

S/72.79

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 Turret 1/8 Low Current MIL

B3-22132
OTTO
1: S/153.17
15In Stock

Mfr. Part #
B3-22132

Mouser Part #
999-B3-22132

OTTO

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

Learn More

Datasheet

15In Stock

S/153.17

S/114.91

S/96.14

S/91.20

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 Wire Wrap High Current MIL

B3-24212
OTTO
1: S/182.68
15In Stock

Mfr. Part #
B3-24212

Mouser Part #
999-B3-24212

OTTO

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

Learn More

Datasheet

15In Stock

S/182.68

S/137.05

S/116.85

S/110.59

View

Min.: 1
Mult.: 1

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: S/144.76
20In Stock

Mfr. Part #
B3-25141

Mouser Part #
999-B3-25141

OTTO

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

Learn More

Datasheet

20In Stock

S/144.76

S/108.60

S/92.60

S/88.17

View

Min.: 1
Mult.: 1

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: S/150.72
7In Stock

Mfr. Part #
B3-32132

Mouser Part #
999-B3-32132

OTTO

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

Learn More

Datasheet

7In Stock

S/150.72

S/113.04

S/96.38

S/91.24

View

Min.: 1
Mult.: 1

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: S/136.35
15In Stock

Mfr. Part #
B3-45141

Mouser Part #
999-B3-45141

OTTO

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

Learn More

Datasheet

15In Stock

S/136.35

S/102.29

S/87.23

S/83.03

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 Low Current

B3-45142
OTTO
1: S/170.02
15In Stock

Mfr. Part #
B3-45142

Mouser Part #
999-B3-45142

OTTO

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

Learn More

Datasheet

15In Stock

S/170.02

S/127.56

S/108.76

S/102.96

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 Solder Low Current

B3-46142
OTTO
1: S/146.86
1In Stock

Mfr. Part #
B3-46142

Mouser Part #
999-B3-46142

OTTO

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

Learn More

Datasheet

1In Stock

S/146.86

S/102.61

S/93.93

S/89.45

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 SPNC-DB Turret 1/8 Low Current MIL

B3-12322
OTTO
1: S/161.42
10In Stock

Mfr. Part #
B3-12322

Mouser Part #
999-B3-12322

OTTO

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

Learn More

Datasheet

10In Stock

S/161.42

S/141.26

S/121.64

S/115.02

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NC

Button

8 A

115 VAC

28 VDC

6 oz

Solder Turret

Chassis Mount

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

B3-14211
OTTO
1: S/168.43
15In Stock

Mfr. Part #
B3-14211

Mouser Part #
999-B3-14211

OTTO

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

Learn More

Datasheet

15In Stock

S/168.43

S/126.35

S/107.71

S/101.94

View

Min.: 1
Mult.: 1

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 Pins HighCurrent MIL

B3-15141
OTTO
1: S/164.19
24In Stock

Mfr. Part #
B3-15141

Mouser Part #
999-B3-15141

OTTO

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

Learn More

Datasheet

24In Stock

S/164.19

S/123.16

S/100.62

S/95.68

View

Min.: 1
Mult.: 1

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-DB RA PC Pins Low Current MIL

B3-15142
OTTO
1: S/164.93
15In Stock

Mfr. Part #
B3-15142

Mouser Part #
999-B3-15142

OTTO

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

Learn More

Datasheet

15In Stock

S/164.93

S/144.29

S/124.25

S/117.48

View

Min.: 1
Mult.: 1

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 SPNO-DB RA PC Pins Low Current MIL

B3-15212
OTTO
1: S/175.47
10In Stock

Mfr. Part #
B3-15212

Mouser Part #
999-B3-15212

OTTO

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

Learn More

Datasheet

10In Stock

S/175.47

S/153.56

S/130.63

S/122.89

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

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 High Current MIL

B3-22111
OTTO
1: S/123.78
20In Stock

Mfr. Part #
B3-22111

Mouser Part #
999-B3-22111

OTTO

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

Learn More

Datasheet

20In Stock

S/123.78

S/92.84

S/79.13

S/75.36

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

B3 Basic Subminiature Snap-Action Switches

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