Process Sealed Subminiature Antistatic Pushbuttons
POLES & CIRCUITS
Series BB
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
1
2 (COM)
3
C
DP
BB25
BB26
ON
ON
(ON)
ON
2-3 5-6
2-1 5-4
DPDT
1
2
(COM)
3 4
5
6
PLUNGERS
A
.213” (5.4mm) Long
(2.8) Dia
.110
(5.4)
.213
(2.8) Dia
.110
Standard Plunger Color: White
Contact factory for other colors and lengths.
Normal
Position
Latchdown
Position
(4.2)
.165
PC TERMINALS
Use of a support bracket is recommended to increase PCB mounting strength and stability.
Both single pole and double pole
alternate action models have
double pole bases.
P
Straight
(2.54) Typ
.100
(5.08)
.200
(0.6) Dia Typ
.024
B
Straight
with Bracket
(5.08)
.200
(5.08)
.200
(0.6) Typ
.024
(10.16)
.400
(2.54) Typ
.100
(0.6) Dia Typ
.024
(0.4) Typ
.016
See Typical Switch Dimensions
for details.
(3.1) Typ
.122
(3.1)
.122
(0.6) Dia Typ
H
Right Angle with Bracket
(2.54) Typ
.100
.024
(2.54) Typ
.100
(0.6)
.024 (0.4)
.016
(0.5) Typ
.020
V
Vertical with Bracket
(0.5) Typ
.020
(0.6) Dia Typ
.024
(2.54) Typ
.100
(0.6)
.024
(0.4)
.016
W
Straight Long
(5.08)
.200
(18.9)
.744
(2.54) Typ
.100
(0.6) Dia Typ
.024
SLIP-ON CAPS
F
AT475
.201” (5.1mm) Diameter Cap
(5.1) Dia
.201
(2.8) Dia
.110
H
AT496
.295” (7.5mm) Diameter Cap
(7.5) Dia
.295
(2.8) Dia
.110
Material: Polyamide
(6.3) (5.4)
.248 .213
(4.0)
.157
Material: Polyamide
(6.3) (5.4)
.248 .213
(4.0)
.157
Colors Available:
A
Black
B
White
C
Red
www.nkk.com
C15
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