Basic / Snap Action Switches – Mouser United Kingdom

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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 SPNO-DB Turret 1/8 High Current MIL

B3-12111
OTTO
1: £34.68
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

Datasheet

95In Stock

£34.68

£26.02

£23.84

£22.40

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 SPNO-DB PC PINS High Current

B3-11111
OTTO
1: £34.68
7In Stock

Mfr. Part No.
B3-11111

Mouser Part No
999-B3-11111

OTTO

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

Learn More

Datasheet

7In Stock

£34.68

£24.23

£22.18

£21.12

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: £41.81
15In Stock

Mfr. Part No.
B3-11142

Mouser Part No
999-B3-11142

OTTO

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

Learn More

Datasheet

15In Stock

£41.81

£31.36

£26.74

£25.31

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: £35.69
30In Stock

Mfr. Part No.
B3-11231

Mouser Part No
999-B3-11231

OTTO

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

Learn More

Datasheet

30In Stock

£35.69

£26.77

£24.54

£21.73

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: £37.72
20In Stock

Mfr. Part No.
B3-11341

Mouser Part No
999-B3-11341

OTTO

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

Learn More

Datasheet

20In Stock

£37.72

£28.30

£24.13

£22.84

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: £44.87
7In Stock
9Expected 17/07/2026

Mfr. Part No.
B3-12212

Mouser Part No
999-B3-12212

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Learn More

Datasheet

7In Stock

9Expected 17/07/2026

£44.87

£31.36

£28.71

£27.18

View

Min.: 1
Mult.: 1

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

B3-12222
OTTO
1: £44.87
14In Stock

Mfr. Part No.
B3-12222

Mouser Part No
999-B3-12222

OTTO

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

Learn More

Datasheet

14In Stock

£44.87

£33.66

£28.71

£27.18

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

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

B3-12241
OTTO
1: £35.69
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

Datasheet

9In Stock

£35.69

£26.77

£22.83

£21.73

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 Wire Wrap Low Current MIL

B3-14342
OTTO
1: £41.64
10In Stock

Mfr. Part No.
B3-14342

Mouser Part No
999-B3-14342

OTTO

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

Learn More

Datasheet

10In Stock

£41.64

£36.44

£31.00

£29.16

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 PC Pins High Current MIL

B3-21111
OTTO
1: £29.98
20In Stock

Mfr. Part No.
B3-21111

Mouser Part No
999-B3-21111

OTTO

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

Learn More

Datasheet

20In Stock

£29.98

£22.49

£19.17

£18.25

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 High Current MIL

B3-21241
OTTO
1: £30.99
15In Stock

Mfr. Part No.
B3-21241

Mouser Part No
999-B3-21241

OTTO

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

Learn More

Datasheet

15In Stock

£30.99

£23.25

£19.82

£18.87

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 Turret 1/8 Low Current MIL

B3-22212
OTTO
1: £40.18
10In Stock

Mfr. Part No.
B3-22212

Mouser Part No
999-B3-22212

OTTO

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

Learn More

Datasheet

10In Stock

£40.18

£30.14

£25.69

£24.32

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 SPNO-DB RA PC Pin High Current MIL

B3-25311
OTTO
1: £40.18
2In Stock

Mfr. Part No.
B3-25311

Mouser Part No
999-B3-25311

OTTO

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

Learn More

Datasheet

2In Stock

£40.18

£28.08

£25.69

£24.32

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

6 oz

Solder Pin, Right Angle

PCB Mount

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

B3-26111
OTTO
1: £30.49
15In Stock

Mfr. Part No.
B3-26111

Mouser Part No
999-B3-26111

OTTO

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

Learn More

Datasheet

15In Stock

£30.49

£22.86

£19.49

£18.57

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Terminal

PCB Mount

Basic / Snap Action Switches 8A SPDT Solder Low Current MIL

B3-26132
OTTO
1: £37.61
15In Stock

Mfr. Part No.
B3-26132

Mouser Part No
999-B3-26132

OTTO

Basic / Snap Action Switches 8A SPDT Solder Low Current MIL

Learn More

Datasheet

15In Stock

£37.61

£28.22

£24.05

£22.77

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Terminal

PCB Mount

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

B3-26142
OTTO
1: £37.61
15In Stock

Mfr. Part No.
B3-26142

Mouser Part No
999-B3-26142

OTTO

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

Learn More

Datasheet

15In Stock

£37.61

£28.22

£24.05

£22.77

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Terminal

PCB Mount

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

B3-31132
OTTO
1: £36.51
15In Stock

Mfr. Part No.
B3-31132

Mouser Part No
999-B3-31132

OTTO

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

Learn More

Datasheet

15In Stock

£36.51

£27.38

£23.34

£22.10

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 SPDT-DB PC Pins Low Current

B3-31142
OTTO
1: £36.51
15In Stock

Mfr. Part No.
B3-31142

Mouser Part No
999-B3-31142

OTTO

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

Learn More

Datasheet

15In Stock

£36.51

£27.38

£23.34

£22.10

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 SPDT-DB Turret 1/8 Low Current

B3-42142
OTTO
1: £35.07
15In Stock

Mfr. Part No.
B3-42142

Mouser Part No
999-B3-42142

OTTO

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

Learn More

Datasheet

15In Stock

£35.07

£26.30

£22.43

£21.35

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 SPNO-DB PC PINS Low Current MIL

B3-11112
OTTO
1: £42.83
10In Stock

Mfr. Part No.
B3-11112

Mouser Part No
999-B3-11112

OTTO

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

Learn More

Datasheet

10In Stock

£42.83

£32.14

£27.39

£25.94

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 SPNC-DB Wire Wrap Low Current MIL

B3-14122
OTTO
1: £39.10
10In Stock

Mfr. Part No.
B3-14122

Mouser Part No
999-B3-14122

OTTO

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

Learn More

Datasheet

10In Stock

£39.10

£34.21

£29.46

£27.86

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

B3-14141
OTTO
1: £37.72
2In Stock

Mfr. Part No.
B3-14141

Mouser Part No
999-B3-14141

OTTO

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

Learn More

Datasheet

2In Stock

£37.72

£26.37

£24.13

£22.84

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Wire Lead

Chassis Mount

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

B3-15131
OTTO
1: £39.77
2In Stock

Mfr. Part No.
B3-15131

Mouser Part No
999-B3-15131

OTTO

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

Learn More

Datasheet

2In Stock

£39.77

£27.80

£25.43

£24.07

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 RA PC Pins Low Current MIL

B3-15132
OTTO
1: £39.95
10In Stock

Mfr. Part No.
B3-15132

Mouser Part No
999-B3-15132

OTTO

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

Learn More

Datasheet

10In Stock

£39.95

£34.95

£30.09

£28.45

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 RA PC Pins Low Current MIL

B3-15232
OTTO
1: £41.64
10In Stock

Mfr. Part No.
B3-15232

Mouser Part No
999-B3-15232

OTTO

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

Learn More

Datasheet

10In Stock

£41.64

£36.44

£31.00

£29.16

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

B3 Basic Subminiature Snap-Action Switches

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