Basic / Snap Action Switches – Mouser South Africa

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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 SPDT-DB Turret 1/8 High Current

B3-42141
OTTO
1: $29.19
415In Stock
1,000Expected 2026/09/28

Mfr. Part No.
B3-42141

Mouser Part No
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 2026/09/28

$29.19

$24.60

$22.49

$21.50

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 SPNO-DB PC PINS High Current

B3-11111
OTTO
1: $46.19
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

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Datasheet

7In Stock

$46.19

$32.28

$29.55

$28.13

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: $55.70
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

$55.70

$41.77

$35.62

$33.72

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: $47.54
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

$47.54

$35.67

$32.69

$28.95

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: $50.25
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

$50.25

$37.70

$32.15

$30.42

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: $59.78
16In Stock

Mfr. Part No.
B3-12212

Mouser Part No
999-B3-12212

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

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Datasheet

16In Stock

$59.78

$41.77

$38.25

$36.20

View

Min.: 1
Mult.: 1

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

B3-12222
OTTO
1: $59.78
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

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Datasheet

14In Stock

$59.78

$44.85

$38.25

$36.20

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: $47.54
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

$47.54

$35.67

$30.41

$28.95

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

B3-12341
OTTO
1: $50.25
24In Stock

Mfr. Part No.
B3-12341

Mouser Part No
999-B3-12341

OTTO

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

Learn More

Datasheet

24In Stock

$50.25

$35.13

$32.15

$30.42

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 Wire Wrap Low Current MIL

B3-14342
OTTO
1: $55.48
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

$55.48

$48.54

$41.30

$38.84

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: $39.94
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

$39.94

$29.96

$25.54

$24.32

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: $41.29
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

$41.29

$30.97

$26.40

$25.14

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: $53.52
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

$53.52

$40.15

$34.23

$32.40

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: $53.52
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

$53.52

$37.40

$34.23

$32.40

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: $40.61
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

$40.61

$30.46

$25.97

$24.74

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: $50.10
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

$50.10

$37.59

$32.04

$30.33

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: $50.10
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

$50.10

$37.59

$32.04

$30.33

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: $48.64
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

$48.64

$36.47

$31.10

$29.45

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: $48.64
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

$48.64

$36.47

$31.10

$29.45

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: $46.72
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

$46.72

$35.04

$29.88

$28.45

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 PC Pins High Current MIL

B3-11131
OTTO
1: $44.83
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

$44.83

$33.62

$30.82

$27.30

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: $51.63
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

$51.63

$38.74

$33.03

$31.25

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: $50.94
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

$50.94

$44.58

$38.38

$36.30

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: $56.36
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

$56.36

$42.28

$36.05

$34.12

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: $50.25
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

$50.25

$37.70

$32.15

$30.42

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Chassis Mount

B3 Basic Subminiature Snap-Action Switches

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