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: $33.57
9In Stock
92Expected 13/03/2026
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 13/03/2026

$33.57

$22.42

$20.49

$19.68

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: $34.33
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B3-11232

Mouser Part No
999-B3-11232

OTTO

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$34.33

$30.87

$27.35

$26.02

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: $31.07
15In Stock

Mfr. Part No.
B3-11311

Mouser Part No
999-B3-11311

OTTO

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

Learn More

Datasheet

15In Stock

$31.07

$26.69

$24.13

$22.94

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: $30.59
15In Stock

Mfr. Part No.
B3-11331

Mouser Part No
999-B3-11331

OTTO

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

Learn More

Datasheet

15In Stock

$30.59

$25.62

$23.42

$22.49

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: $31.07
15In Stock

Mfr. Part No.
B3-12311

Mouser Part No
999-B3-12311

OTTO

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

Learn More

Datasheet

15In Stock

$31.07

$26.69

$24.13

$22.94

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: $27.66
15In Stock

Mfr. Part No.
B3-13141

Mouser Part No
999-B3-13141

OTTO

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

Learn More

Datasheet

15In Stock

$27.66

$23.16

$21.18

$20.33

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: $31.07
15In Stock

Mfr. Part No.
B3-14111

Mouser Part No
999-B3-14111

OTTO

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

Learn More

Datasheet

15In Stock

$31.07

$26.69

$24.13

$22.94

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: $35.91
10In Stock

Mfr. Part No.
B3-14142

Mouser Part No
999-B3-14142

OTTO

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

Learn More

Datasheet

10In Stock

$35.91

$32.30

$28.62

$27.22

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: $31.06
15In Stock

Mfr. Part No.
B3-14231

Mouser Part No
999-B3-14231

OTTO

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

Learn More

Datasheet

15In Stock

$31.06

$27.94

$24.76

$23.55

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: $36.98
10In Stock

Mfr. Part No.
B3-15342

Mouser Part No
999-B3-15342

OTTO

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

Learn More

Datasheet

10In Stock

$36.98

$34.91

$31.59

$29.78

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: $25.49
20In Stock

Mfr. Part No.
B3-22131

Mouser Part No
999-B3-22131

OTTO

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

Learn More

Datasheet

20In Stock

$25.49

$20.44

$18.71

$17.81

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: $25.98
15In Stock

Mfr. Part No.
B3-22211

Mouser Part No
999-B3-22211

OTTO

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

Learn More

Datasheet

15In Stock

$25.98

$21.75

$19.89

$19.10

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: $26.81
15In Stock

Mfr. Part No.
B3-24141

Mouser Part No
999-B3-24141

OTTO

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

Learn More

Datasheet

15In Stock

$26.81

$22.45

$20.52

$19.70

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: $30.20
15In Stock

Mfr. Part No.
B3-25241

Mouser Part No
999-B3-25241

OTTO

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

Learn More

Datasheet

15In Stock

$30.20

$25.28

$23.12

$22.20

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: $30.53
15In Stock

Mfr. Part No.
B3-32112

Mouser Part No
999-B3-32112

OTTO

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

Learn More

Datasheet

15In Stock

$30.53

$25.56

$23.37

$22.44

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: $25.85
15In Stock

Mfr. Part No.
B3-32121

Mouser Part No
999-B3-32121

OTTO

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

Learn More

Datasheet

15In Stock

$25.85

$20.73

$18.96

$18.06

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: $28.07
15In Stock

Mfr. Part No.
B3-35141

Mouser Part No
999-B3-35141

OTTO

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

Learn More

Datasheet

15In Stock

$28.07

$23.50

$21.48

$20.62

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: $29.71
15In Stock

Mfr. Part No.
B3-35241

Mouser Part No
999-B3-35241

OTTO

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

Learn More

Datasheet

15In Stock

$29.71

$24.87

$22.74

$21.83

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: $26.90
15In Stock

Mfr. Part No.
B3-45131

Mouser Part No
999-B3-45131

OTTO

Basic / Snap Action Switches 8A SPDT RA PC High Current

Learn More

Datasheet

15In Stock

$26.90

$22.53

$20.59

$19.77

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: $30.71
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

$30.71

$23.55

$21.53

$20.67

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: $32.65
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

$32.65

$29.36

$26.03

$24.75

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: $28.95
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

$28.95

$24.24

$22.16

$21.27

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: $30.59
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

$30.59

$25.62

$23.42

$22.49

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: $32.12
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
B3-12212

Mouser Part No
999-B3-12212

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$32.12

$30.44

$26.27

$25.14

View

Min.: 1
Mult.: 1

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

B3-12222
OTTO
1: $35.12
15In 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

15In Stock

$35.12

$31.58

$27.99

$26.61

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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