Basic / Snap Action Switches – Mouser Singapore

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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: $46.66
9In Stock
92Expected 13/3/2026
New Product

Mfr. Part No.
B3-33341

Mouser Part No
999-B3-33341

New Product

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Datasheet

9In Stock

92Expected 13/3/2026

$46.66

$31.16

$28.48

$27.36

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: $41.19
30In Stock

Mfr. Part No.
B3-11131

Mouser Part No
999-B3-11131

OTTO

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

Learn More

Datasheet

30In Stock

$41.19

$33.01

$30.20

$28.77

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: $43.19
15In Stock

Mfr. Part No.
B3-12321

Mouser Part No
999-B3-12321

OTTO

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

Learn More

Datasheet

15In Stock

$43.19

$37.10

$33.54

$31.89

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: $49.91
10In Stock

Mfr. Part No.
B3-12342

Mouser Part No
999-B3-12342

OTTO

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

Learn More

Datasheet

10In Stock

$49.91

$44.90

$39.78

$37.84

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: $46.01
15In Stock

Mfr. Part No.
B3-13142

Mouser Part No
999-B3-13142

OTTO

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

Learn More

Datasheet

15In Stock

$46.01

$41.37

$36.67

$34.86

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: $42.52
15In Stock

Mfr. Part No.
B3-14131

Mouser Part No
999-B3-14131

OTTO

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

Learn More

Datasheet

15In Stock

$42.52

$35.61

$32.55

$31.26

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: $45.38
10In Stock

Mfr. Part No.
B3-14331

Mouser Part No
999-B3-14331

OTTO

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

Learn More

Datasheet

10In Stock

$45.38

$40.81

$36.18

$34.40

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: $38.41
15In Stock

Mfr. Part No.
B3-22311

Mouser Part No
999-B3-22311

OTTO

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

Learn More

Datasheet

15In Stock

$38.41

$32.16

$29.40

$28.23

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: $37.27
15In Stock

Mfr. Part No.
B3-22341

Mouser Part No
999-B3-22341

OTTO

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

Learn More

Datasheet

15In Stock

$37.27

$31.21

$28.52

$27.38

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: $44.86
15In Stock

Mfr. Part No.
B3-24132

Mouser Part No
999-B3-24132

OTTO

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

Learn More

Datasheet

15In Stock

$44.86

$40.32

$35.75

$34.00

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: $32.93
20In Stock

Mfr. Part No.
B3-41141

Mouser Part No
999-B3-41141

OTTO

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

Learn More

Datasheet

20In Stock

$32.93

$26.40

$24.16

$23.00

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: $51.15
10In Stock

Mfr. Part No.
B3-12322

Mouser Part No
999-B3-12322

OTTO

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

Learn More

Datasheet

10In Stock

$51.15

$46.00

$40.75

$38.77

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: $44.27
15In Stock

Mfr. Part No.
B3-14211

Mouser Part No
999-B3-14211

OTTO

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

Learn More

Datasheet

15In Stock

$44.27

$39.82

$35.29

$33.57

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: $43.17
24In Stock

Mfr. Part No.
B3-15141

Mouser Part No
999-B3-15141

OTTO

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

Learn More

Datasheet

24In Stock

$43.17

$38.84

$34.42

$32.73

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: $48.22
15In Stock

Mfr. Part No.
B3-15142

Mouser Part No
999-B3-15142

OTTO

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

Learn More

Datasheet

15In Stock

$48.22

$45.87

$41.20

$39.16

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: $50.42
10In Stock

Mfr. Part No.
B3-15212

Mouser Part No
999-B3-15212

OTTO

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

Learn More

Datasheet

10In Stock

$50.42

$47.59

$43.60

$41.32

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: $36.68
20In Stock

Mfr. Part No.
B3-22111

Mouser Part No
999-B3-22111

OTTO

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

Learn More

Datasheet

20In Stock

$36.68

$29.41

$26.91

$25.63

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: $36.68
20In Stock

Mfr. Part No.
B3-22121

Mouser Part No
999-B3-22121

OTTO

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

Learn More

Datasheet

20In Stock

$36.68

$29.41

$26.91

$25.63

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: $37.93
15In Stock

Mfr. Part No.
B3-22231

Mouser Part No
999-B3-22231

OTTO

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

Learn More

Datasheet

15In Stock

$37.93

$30.41

$27.83

$26.49

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: $42.52
15In Stock

Mfr. Part No.
B3-22242

Mouser Part No
999-B3-22242

OTTO

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

Learn More

Datasheet

15In Stock

$42.52

$38.24

$33.89

$32.23

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: $44.86
15In Stock

Mfr. Part No.
B3-22342

Mouser Part No
999-B3-22342

OTTO

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

Learn More

Datasheet

15In Stock

$44.86

$40.32

$35.75

$34.00

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: $39.81
11In Stock

Mfr. Part No.
B3-31131

Mouser Part No
999-B3-31131

OTTO

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

Learn More

Datasheet

11In Stock

$39.81

$29.86

$25.45

$24.24

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: $44.19
15In Stock

Mfr. Part No.
B3-32342

Mouser Part No
999-B3-32342

OTTO

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

Learn More

Datasheet

15In Stock

$44.19

$39.74

$35.22

$33.50

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: $33.82
15In Stock

Mfr. Part No.
B3-42211

Mouser Part No
999-B3-42211

OTTO

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

Learn More

Datasheet

15In Stock

$33.82

$28.31

$25.88

$24.85

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

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

B3-44141
OTTO
1: $34.97
20In Stock

Mfr. Part No.
B3-44141

Mouser Part No
999-B3-44141

OTTO

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

Learn More

Datasheet

20In Stock

$34.97

$29.29

$26.77

$25.70

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Chassis Mount

B3 Basic Subminiature Snap-Action Switches

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