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 Low Current MIL

B3-11232
OTTO
1: $53.21
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
B3-11232

Mouser Part #
999-B3-11232

OTTO

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$53.21

$47.85

$42.39

$40.33

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin

PCB Mount

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

B3-11311
OTTO
1: $48.16
15In Stock

Mfr. Part #
B3-11311

Mouser Part #
999-B3-11311

OTTO

Basic / Snap Action Switches 8A SPNO-DB PC Pins 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-NO

Button

8 A

115 VAC

28 VDC

6 oz

Solder Pin

PCB Mount

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

B3-11331
OTTO
1: $47.41
15In Stock

Mfr. Part #
B3-11331

Mouser Part #
999-B3-11331

OTTO

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

Learn More

Datasheet

15In Stock

$47.41

$39.71

$36.30

$34.86

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 SPNO-DB Turret 1/8 High Current MIL

B3-12311
OTTO
1: $48.16
15In Stock

Mfr. Part #
B3-12311

Mouser Part #
999-B3-12311

OTTO

Basic / Snap Action Switches 8A SPNO-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-NO

Button

8 A

115 VAC

28 VDC

6 oz

Solder Turret

Chassis Mount

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

B3-13141
OTTO
1: $42.87
15In Stock

Mfr. Part #
B3-13141

Mouser Part #
999-B3-13141

OTTO

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

Learn More

Datasheet

15In Stock

$42.87

$35.90

$32.83

$31.51

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

B3-14111
OTTO
1: $48.16
15In Stock

Mfr. Part #
B3-14111

Mouser Part #
999-B3-14111

OTTO

Basic / Snap Action Switches 8A SPNO-DB Wire Wrap 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-NO

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Chassis Mount

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

B3-14142
OTTO
1: $55.66
10In Stock

Mfr. Part #
B3-14142

Mouser Part #
999-B3-14142

OTTO

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

3 oz, 8 oz

Chassis Mount

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

B3-14231
OTTO
1: $48.14
15In Stock

Mfr. Part #
B3-14231

Mouser Part #
999-B3-14231

OTTO

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

Learn More

Datasheet

15In 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

5 oz

Chassis Mount

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

B3-15342
OTTO
1: $57.32
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

Learn More

Datasheet

10In Stock

$57.32

$54.11

$48.96

$46.16

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: $39.51
20In Stock

Mfr. Part #
B3-22131

Mouser Part #
999-B3-22131

OTTO

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

Learn More

Datasheet

20In Stock

$39.51

$31.68

$29.00

$27.61

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: $40.27
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

Learn More

Datasheet

15In Stock

$40.27

$33.71

$30.83

$29.61

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: $41.56
15In Stock

Mfr. Part #
B3-24141

Mouser Part #
999-B3-24141

OTTO

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

3 oz, 8 oz

Chassis Mount

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

B3-25241
OTTO
1: $46.81
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

$46.81

$39.18

$35.84

$34.41

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: $47.32
15In Stock

Mfr. Part #
B3-32112

Mouser Part #
999-B3-32112

OTTO

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

Learn More

Datasheet

15In Stock

$47.32

$39.62

$36.22

$34.78

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: $40.07
15In Stock

Mfr. Part #
B3-32121

Mouser Part #
999-B3-32121

OTTO

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

Learn More

Datasheet

15In Stock

$40.07

$32.13

$29.39

$27.99

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: $43.51
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

$43.51

$36.43

$33.29

$31.96

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 RA PC Pins High Current

B3-35241
OTTO
1: $46.05
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

$46.05

$38.55

$35.25

$33.84

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: $41.70
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

$41.70

$34.92

$31.91

$30.64

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 SPNO-DB PC PINS High Current

B3-11111
OTTO
1: $47.60
7In Stock

Mfr. Part #
B3-11111

Mouser Part #
999-B3-11111

OTTO

Basic / Snap Action Switches 8A SPNO-DB PC PINS High Current

Learn More

Datasheet

7In Stock

$47.60

$36.50

$33.37

$32.04

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Pin

PCB Mount

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

B3-11142
OTTO
1: $50.61
15In Stock

Mfr. Part #
B3-11142

Mouser Part #
999-B3-11142

OTTO

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

Learn More

Datasheet

15In 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

3 oz, 8 oz

Solder Pin

PCB Mount

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

B3-11231
OTTO
1: $44.87
30In Stock

Mfr. Part #
B3-11231

Mouser Part #
999-B3-11231

OTTO

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

Learn More

Datasheet

30In Stock

$44.87

$37.57

$34.35

$32.97

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin

PCB Mount

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

B3-11341
OTTO
1: $47.41
20In Stock

Mfr. Part #
B3-11341

Mouser Part #
999-B3-11341

OTTO

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

Learn More

Datasheet

20In 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

6 oz

Solder Pin

PCB Mount

Basic / Snap Action Switches Subminiature Basic Switch

B3-12212
OTTO
1: $49.79
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
B3-12212

Mouser Part #
999-B3-12212

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$49.79

$47.18

$40.72

$38.97

View

Min.: 1
Mult.: 1

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

B3-12222
OTTO
1: $54.44
15In Stock

Mfr. Part #
B3-12222

Mouser Part #
999-B3-12222

OTTO

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

Learn More

Datasheet

15In Stock

$54.44

$48.95

$43.38

$41.25

View

Min.: 1
Mult.: 1

Subminiature

SPST-NC

ON - (OFF)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

B3 Basic Subminiature Snap-Action Switches

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