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 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

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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

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

B3-14331
OTTO
1: $55.70
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

$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

6 oz

Chassis Mount

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

B3-22311
OTTO
1: $45.37
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

$45.37

$34.04

$29.02

$27.62

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: $44.00
5In 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

5In Stock

$44.00

$33.01

$28.14

$26.80

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: $54.86
5In 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

5In Stock

$54.86

$41.16

$35.10

$33.23

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: $35.84
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

$35.84

$26.89

$22.93

$21.83

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 PC Pins Low Current MIL

B3-11132
OTTO
1: $55.70
25In Stock

Mfr. Part No.
B3-11132

Mouser Part No
999-B3-11132

OTTO

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

Learn More

Datasheet

25In Stock

$55.70

$41.77

$38.30

$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 SPNC-DB Turret 1/8 High Current MIL

B3-12121
OTTO
1: $46.19
15In Stock

Mfr. Part No.
B3-12121

Mouser Part No
999-B3-12121

OTTO

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

Learn More

Datasheet

15In Stock

$46.19

$34.66

$29.55

$28.13

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 SPNC-DB Turret 1/8 Low Current MIL

B3-12122
OTTO
1: $57.06
15In Stock

Mfr. Part No.
B3-12122

Mouser Part No
999-B3-12122

OTTO

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

Learn More

Datasheet

15In Stock

$57.06

$42.81

$36.49

$34.55

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 Low Current MIL

B3-12232
OTTO
1: $58.41
7In Stock

Mfr. Part No.
B3-12232

Mouser Part No
999-B3-12232

OTTO

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

Learn More

Datasheet

7In Stock

$58.41

$43.82

$37.36

$35.36

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

B3-12242
OTTO
1: $58.41
10In Stock

Mfr. Part No.
B3-12242

Mouser Part No
999-B3-12242

OTTO

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

Learn More

Datasheet

10In Stock

$58.41

$43.82

$37.36

$35.36

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 3/16 Low Current MIL

B3-13342
OTTO
1: $51.51
10In Stock

Mfr. Part No.
B3-13342

Mouser Part No
999-B3-13342

OTTO

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

Learn More

Datasheet

10In Stock

$51.51

$45.07

$38.81

$36.70

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 SPNC-DB Wire Wrap High Current MIL

B3-14121
OTTO
1: $51.63
1In Stock

Mfr. Part No.
B3-14121

Mouser Part No
999-B3-14121

OTTO

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

Learn More

Datasheet

1In Stock

$51.63

$36.09

$33.03

$31.25

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

B3-14341
OTTO
1: $55.70
15In Stock

Mfr. Part No.
B3-14341

Mouser Part No
999-B3-14341

OTTO

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

6 oz

Chassis Mount

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

B3-15231
OTTO
1: $55.70
10In Stock

Mfr. Part No.
B3-15231

Mouser Part No
999-B3-15231

OTTO

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

Learn More

Datasheet

10In 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

5 oz

Solder Pin, Right Angle

PCB Mount

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

B3-15241
OTTO
1: $47.42
25In Stock

Mfr. Part No.
B3-15241

Mouser Part No
999-B3-15241

OTTO

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

Learn More

Datasheet

25In Stock

$47.42

$38.91

$35.62

$33.72

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 SPDT-DB PC Pins High Current MIL

B3-21141
OTTO
1: $38.57
19In Stock

Mfr. Part No.
B3-21141

Mouser Part No
999-B3-21141

OTTO

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

Learn More

Datasheet

19In Stock

$38.57

$28.92

$24.67

$23.49

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 Turret 1/8 Low Current MIL

B3-22132
OTTO
1: $49.43
15In Stock

Mfr. Part No.
B3-22132

Mouser Part No
999-B3-22132

OTTO

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

Learn More

Datasheet

15In Stock

$49.43

$37.08

$31.03

$29.42

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

B3-24212
OTTO
1: $58.94
15In Stock

Mfr. Part No.
B3-24212

Mouser Part No
999-B3-24212

OTTO

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

Learn More

Datasheet

15In Stock

$58.94

$44.23

$37.70

$35.68

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 Pin High Current MIL

B3-25141
OTTO
1: $46.72
20In Stock

Mfr. Part No.
B3-25141

Mouser Part No
999-B3-25141

OTTO

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

Learn More

Datasheet

20In Stock

$46.72

$35.04

$29.88

$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

B3 Basic Subminiature Snap-Action Switches

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