NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com

03-07

Process Sealed Subminiature Antistatic Pushbuttons

Series BB

PLUNGERS

SLIP-ON CAPS

PC TERMINALS

Plunger Position

( ) = Momentary

Connected Terminals

Throw & Schematics

Pole

Model

Normal

Down

Normal

Down

Note: Terminal numbers are not

actually on the switch.

SP

BB15

BB16

ON

ON

(ON)

ON

2-3

2-1

SPDT

DP

BB25

BB26

ON

ON

(ON)

ON

2-3 5-6

2-1 5-4

DPDT

Material: Polyamide

.213” (5.4mm) Long

POLES & CIRCUITS

AT475

.201” (5.1mm) Diameter Cap

AT496

.295” (7.5mm) Diameter Cap

Material: Polyamide

Straight

Vertical with Bracket

Straight

with Bracket

Colors Available:

Black

White

Red

A

P

V

B

F

H

A

B

C

(4.2)

.165

(2.8) Dia

.110

(5.4)

.213

(2.8) Dia

.110

Standard Plunger Color: White

Contact factory for other colors and lengths.

Both single pole and double pole

alternate action models have

double pole bases.

See Typical Switch Dimensions

for details.

Right Angle with Bracket

H

Straight Long

W

(2.54) Typ

.100

(0.6) Dia Typ

.024

(3.1) Typ

.122

(5.08)

.200

(3.1)

.122

(0.4) Typ

.016

(0.6) Dia Typ

.024

(2.54) Typ

.100

(10.16)

.400

(5.08)

.200

(5.08)

.200

(0.6) Typ

.024

(0.4)

.016

(0.5) Typ

.020

(0.6)

.024

(2.54) Typ

.100

(2.54) Typ

.100(0.6) Dia Typ

.024

(0.4)

.016

(0.6)

.024

(2.54) Typ

.100

(0.6) Dia Typ

.024

(0.5) Typ

.020

(5.08)

.200

(18.9)

.744

(2.54) Typ

.100

(0.6) Dia Typ

.024

2 (COM)

3

1

3

1

2

4

5

6

(COM)

Latchdown

Position

Normal

Position

Use of a support bracket is recommended to increase PCB mounting strength and stability.

(7.5) Dia

.295

(2.8) Dia

.110

(4.0)

.157

(6.3)

.248

(5.4)

.213

(5.1) Dia

.201

(6.3)

.248

(5.4)

.213

(2.8) Dia

.110

(4.0)

.157