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 Subminiature Basic Switch

B3-33341
OTTO
1: $52.03
9In Stock
92Expected 2026-03-13
New Product

Mfr. Part #
B3-33341

Mouser Part #
999-B3-33341

New Product

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Datasheet

9In Stock

92Expected 2026-03-13

$52.03

$34.75

$31.76

$30.50

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 SPDT PC Pins High Current MIL

B3-11131
OTTO
1: $45.93
30In Stock

Mfr. Part #
B3-11131

Mouser Part #
999-B3-11131

OTTO

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

Learn More

Datasheet

30In Stock

$45.93

$36.81

$33.68

$32.09

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

B3-12321
OTTO
1: $48.16
15In Stock

Mfr. Part #
B3-12321

Mouser Part #
999-B3-12321

OTTO

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

Learn More

Datasheet

15In Stock

$48.16

$41.37

$37.40

$35.56

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 SPDT-DB Turret 1/8 Low Current MIL

B3-12342
OTTO
1: $55.66
10In Stock

Mfr. Part #
B3-12342

Mouser Part #
999-B3-12342

OTTO

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

Learn More

Datasheet

10In Stock

$55.66

$50.07

$44.36

$42.19

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 SPDT-DB Turret 3/16 Low Current MIL

B3-13142
OTTO
1: $51.31
15In Stock

Mfr. Part #
B3-13142

Mouser Part #
999-B3-13142

OTTO

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

Learn More

Datasheet

15In Stock

$51.31

$46.13

$40.89

$38.87

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 Wire Wrap High Current MIL

B3-14131
OTTO
1: $47.41
15In Stock

Mfr. Part #
B3-14131

Mouser Part #
999-B3-14131

OTTO

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

Learn More

Datasheet

15In Stock

$47.41

$39.71

$36.30

$34.86

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 Wire Wrap High Current MIL

B3-14331
OTTO
1: $50.61
10In Stock

Mfr. Part #
B3-14331

Mouser Part #
999-B3-14331

OTTO

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

Learn More

Datasheet

10In Stock

$50.61

$45.51

$40.35

$38.36

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 SPNO-DB Turret 1/8 High Current MIL

B3-22311
OTTO
1: $42.83
15In Stock

Mfr. Part #
B3-22311

Mouser Part #
999-B3-22311

OTTO

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

Learn More

Datasheet

15In Stock

$42.83

$35.87

$32.78

$31.48

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

6 oz

Solder Turret

Chassis Mount

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

B3-22341
OTTO
1: $41.56
15In Stock

Mfr. Part #
B3-22341

Mouser Part #
999-B3-22341

OTTO

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

Learn More

Datasheet

15In Stock

$41.56

$34.80

$31.81

$30.54

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 SPDT Wire Wrap Low Current MIL

B3-24132
OTTO
1: $50.02
15In Stock

Mfr. Part #
B3-24132

Mouser Part #
999-B3-24132

OTTO

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

Learn More

Datasheet

15In Stock

$50.02

$44.97

$39.87

$37.91

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 PC Pins High Current

B3-41141
OTTO
1: $36.72
20In Stock

Mfr. Part #
B3-41141

Mouser Part #
999-B3-41141

OTTO

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

Learn More

Datasheet

20In Stock

$36.72

$29.43

$26.94

$25.65

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

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 Low Current MIL

B3-12322
OTTO
1: $57.04
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

$57.04

$51.29

$45.45

$43.23

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: $49.37
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

$49.37

$44.41

$39.35

$37.43

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: $48.14
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

$48.14

$43.31

$38.38

$36.50

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: $53.77
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

$53.77

$51.15

$45.94

$43.66

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: $56.22
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

$56.22

$53.07

$48.62

$46.08

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: $40.90
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

$40.90

$32.80

$30.01

$28.58

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 SPNC-DB Turret 1/8 High Current MIL

B3-22121
OTTO
1: $40.90
20In Stock

Mfr. Part #
B3-22121

Mouser Part #
999-B3-22121

OTTO

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

Learn More

Datasheet

20In Stock

$40.90

$32.80

$30.01

$28.58

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 High Current MIL

B3-22231
OTTO
1: $42.30
15In Stock

Mfr. Part #
B3-22231

Mouser Part #
999-B3-22231

OTTO

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

Learn More

Datasheet

15In Stock

$42.30

$33.91

$31.03

$29.54

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 High Current MIL

B3-22241
OTTO
1: $60.19
14In 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

14In Stock

$60.19

$46.24

$42.73

$40.69

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

B3-22242
OTTO
1: $47.41
15In Stock

Mfr. Part #
B3-22242

Mouser Part #
999-B3-22242

OTTO

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

Learn More

Datasheet

15In Stock

$47.41

$42.64

$37.79

$35.94

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

B3-22342
OTTO
1: $50.02
15In Stock

Mfr. Part #
B3-22342

Mouser Part #
999-B3-22342

OTTO

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

Learn More

Datasheet

15In Stock

$50.02

$44.97

$39.87

$37.91

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 SPDT PC Pins High Current MIL

B3-31131
OTTO
1: $44.39
11In Stock

Mfr. Part #
B3-31131

Mouser Part #
999-B3-31131

OTTO

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

Learn More

Datasheet

11In Stock

$44.39

$33.29

$28.38

$27.03

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Pin

PCB Mount

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

B3-32342
OTTO
1: $49.27
15In Stock

Mfr. Part #
B3-32342

Mouser Part #
999-B3-32342

OTTO

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

Learn More

Datasheet

15In Stock

$49.27

$44.31

$39.28

$37.36

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPDT

Button

8 A

115 VAC

28 VDC

6 oz

Solder Turret

Chassis Mount

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

B3-42211
OTTO
1: $37.71
15In Stock

Mfr. Part #
B3-42211

Mouser Part #
999-B3-42211

OTTO

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

Learn More

Datasheet

15In Stock

$37.71

$31.57

$28.86

$27.71

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPST-NO

Button

8 A

115 VAC

28 VDC

5 oz

Solder Turret

Chassis Mount

B3 Basic Subminiature Snap-Action Switches

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