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 8A SPDT-DB Wire Wrap Low Current MIL

B3-14142
OTTO
1: $42.657
10In Stock

Mfr. Part #
B3-14142

Mouser Part #
999-B3-14142

OTTO

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

Learn More

Datasheet

10In Stock

$42.657

$37.324

$32.140

$30.394

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: $44.360
15In Stock

Mfr. Part #
B3-14231

Mouser Part #
999-B3-14231

OTTO

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

Learn More

Datasheet

15In Stock

$44.360

$33.275

$28.364

$26.850

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: $48.346
10In Stock

Mfr. Part #
B3-15342

Mouser Part #
999-B3-15342

OTTO

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

Learn More

Datasheet

10In Stock

$48.346

$42.310

$35.989

$33.854

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: $32.287
12In Stock

Mfr. Part #
B3-22131

Mouser Part #
999-B3-22131

OTTO

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

Learn More

Datasheet

12In Stock

$32.287

$24.220

$20.655

$19.667

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: $35.715
15In Stock

Mfr. Part #
B3-22211

Mouser Part #
999-B3-22211

OTTO

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

Learn More

Datasheet

15In Stock

$35.715

$26.787

$22.843

$21.749

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: $36.841
15In Stock

Mfr. Part #
B3-24141

Mouser Part #
999-B3-24141

OTTO

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

Learn More

Datasheet

15In Stock

$36.841

$27.638

$23.568

$22.433

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: $41.384
15In Stock

Mfr. Part #
B3-25241

Mouser Part #
999-B3-25241

OTTO

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

Learn More

Datasheet

15In Stock

$41.384

$31.046

$26.471

$25.051

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: $41.868
15In Stock

Mfr. Part #
B3-32112

Mouser Part #
999-B3-32112

OTTO

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

Learn More

Datasheet

15In Stock

$41.868

$31.403

$26.766

$25.346

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: $32.771
15In Stock

Mfr. Part #
B3-32121

Mouser Part #
999-B3-32121

OTTO

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

Learn More

Datasheet

15In Stock

$32.771

$24.578

$20.960

$19.951

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: $38.439
15In Stock

Mfr. Part #
B3-35141

Mouser Part #
999-B3-35141

OTTO

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

Learn More

Datasheet

15In Stock

$38.439

$28.837

$24.589

$23.411

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: $40.721
15In Stock

Mfr. Part #
B3-35241

Mouser Part #
999-B3-35241

OTTO

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

Learn More

Datasheet

15In Stock

$40.721

$30.541

$26.040

$24.652

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: $36.841
15In Stock

Mfr. Part #
B3-45131

Mouser Part #
999-B3-45131

OTTO

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

Learn More

Datasheet

15In Stock

$36.841

$27.638

$23.568

$22.433

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 Subminiature Basic Switch

B3-33341
OTTO
1: $31.277
3In Stock

Mfr. Part #
B3-33341

Mouser Part #
999-B3-33341

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Datasheet

3In Stock

$31.277

$25.672

$23.495

$22.369

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 SPNO-DB Turret 1/8 High Current MIL

B3-12111
OTTO
1: $38.681
95In Stock

Mfr. Part #
B3-12111

Mouser Part #
999-B3-12111

OTTO

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

Learn More

Datasheet

95In Stock

$38.681

$29.016

$26.597

$24.988

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 SPDT-DB Turret 1/8 High Current MIL

B3-12141
OTTO
1: $30.878
885In Stock

Mfr. Part #
B3-12141

Mouser Part #
999-B3-12141

OTTO

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

Learn More

Datasheet

885In Stock

$30.878

$25.514

$23.873

$22.538

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 Turret 1/8 Low Current MIL

B3-12112
OTTO
1: $47.778
15In Stock

Mfr. Part #
B3-12112

Mouser Part #
999-B3-12112

OTTO

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

Learn More

Datasheet

15In Stock

$47.778

$35.842

$30.562

$28.932

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 SPDT-DB Turret 1/8 Low Current MIL

B3-12142
OTTO
1: $36.599
4In Stock

Mfr. Part #
B3-12142

Mouser Part #
999-B3-12142

OTTO

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

Learn More

Datasheet

4In Stock

$36.599

$31.151

$29.584

$27.954

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 Turret 3/16 HighCurrent MIL

B3-13131
OTTO
1: $32.392
6In Stock

Mfr. Part #
B3-13131

Mouser Part #
999-B3-13131

OTTO

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

Learn More

Datasheet

6In Stock

$32.392

$27.333

$24.399

$22.885

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 Turret 3/16 Low Current MIL

B3-13132
OTTO
1: $47.189
13In Stock

Mfr. Part #
B3-13132

Mouser Part #
999-B3-13132

OTTO

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

Learn More

Datasheet

13In Stock

$47.189

$35.400

$30.184

$28.574

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-DB Turret 1/8 High Current MIL

B3-22141
OTTO
1: $22.201
32In Stock

Mfr. Part #
B3-22141

Mouser Part #
999-B3-22141

OTTO

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

Learn More

Datasheet

32In Stock

$22.201

$20.929

$20.540

$19.362

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-DB Turret 1/8 High Current MIL

B3-22241
OTTO
1: $34.495
19In Stock

Mfr. Part #
B3-22241

Mouser Part #
999-B3-22241

OTTO

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

Learn More

Datasheet

19In Stock

$34.495

$26.324

$23.642

$21.991

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 Solder High Current MIL

B3-26141
OTTO
1: $27.491
13In Stock

Mfr. Part #
B3-26141

Mouser Part #
999-B3-26141

OTTO

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

Learn More

Datasheet

13In Stock

$27.491

$22.790

$21.423

$20.171

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Terminal

PCB Mount

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

B3-32131
OTTO
1: $25.041
8In Stock

Mfr. Part #
B3-32131

Mouser Part #
999-B3-32131

OTTO

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

Learn More

Datasheet

8In Stock

$25.041

$21.234

$19.383

$18.520

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 Turret 1/8 High Current MIL

B3-12131
OTTO
1: $30.562
107On Order

Mfr. Part #
B3-12131

Mouser Part #
999-B3-12131

OTTO

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

Learn More

Datasheet

107On Order

$30.562

$25.756

$23.558

$22.506

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-DB PC Pins High Current MIL

B3-11141
OTTO
1: $31.950
7Expected 8/24/2026

Mfr. Part #
B3-11141

Mouser Part #
999-B3-11141

OTTO

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

Learn More

Datasheet

7Expected 8/24/2026

$31.950

$26.229

$24.000

$22.853

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

B3 Basic Subminiature Snap-Action Switches

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