Series AB
Toggles
Process Sealed Subminiature Pushbuttons
Rockers
General
Specifications
Electrical Capacity (Resistive Load)
Logic Level:
Pushbuttons
C
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
Programmable Illuminated PB
50 milliohms maximum
500 megohms minimum @ 500V DC
500V AC minimum for 1 minute minimum
50,000 operations minimum
50,000 operations minimum
2.55N
Nonshorting (break-before-make)
Pretravel .028” (0.7mm); Overtravel .016” (0.4mm); Total Travel .043” (1.1mm)
Keylocks
Materials & Finishes
Plunger:
Case Housing:
Support Bracket:
Movable Contact:
Stationary Contacts:
Terminals:
Polyacetal
Glass fiber reinforced polyamide
Tin plated phosphor bronze
Phosphor bronze with gold plating
Brass with gold plating
Brass with gold plating
Slides
Rotaries
Environmental Data
Tactiles
Operating Temp Range:
Humidity:
Vibration:
Shock:
–30°C through +85°C (–22°F through +185°F)
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning
in 1 minute; 3 right angled directions for 2 hours
50G (490m/s
2
) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Tilt
Installation
Cap Installation Force:
49.03N (11.2 lbf) maximum downward force on actuator
Touch
PCB Processing
Soldering:
Cleaning:
Indicators
Wave Soldering Recommended: See Profile A in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Automated cleaning. See Cleaning specifications in Supplement section.
Accessories
Standards & Certifications
The AB Series pushbuttons have not been tested for UL recognition or CSA certification.
These switches are designed for use in a low-voltage, low-current, logic-level circuit.
When used as intended in a logic-level circuit, the results do not produce hazardous energy.
Supplement
C6
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Process Sealed Subminiature Pushbuttons
Series AB
Toggles
C
Specifically developed for logic-level applications.
Totally sealed body construction prevents contact contamination
and allows time- and money-saving automated soldering
and cleaning.
Molded-in, epoxy sealed or ultrasonically welded
terminals lock out flux, solvents, and other contaminants.
.100” x .100” (2.54mm x 2.54mm) terminal spacing
conforms to standard PC board grid spacing.
Matching indicators available.
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C7
Supplement
Accessories
Indicators
Actual Size
Touch
Tilt
Tactiles
Slides
Rotaries
Award-winning STC contact mechanism with benefits
unavailable in conventional mechanisms: smoother,
positive detent actuation, increased contact stability
and unparalleled logic-level reliability. (Additional
STC details in Terms & Acronyms; see Supplement
section.)
Keylocks
Programmable Illuminated PB
Pushbuttons
Subminiature size (1/3 size of Series M switches) saves space on PC boards.
Rockers
Distinctive
Characteristics
Series AB
Toggles
Process Sealed Subminiature Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
Pushbuttons
Rockers
AB
C
1
2
2
Poles
SPST
SPDT
DPDT
5
A
P
H
A
Programmable Illuminated PB
PC Terminals
P
B
B1
H
V
V1
(ON)
(ON)
Straight
Straight with Bracket
Straight with Inline Bracket (SP only)
Right Angle with Bracket
Vertical with Bracket
Vertical with Inline Bracket (SP only)
Circuits
1
5
OFF
ON
Keylocks
( ) = Momentary
Rotaries
Plungers
A
*B
.213” (5.4mm) Long
.183” (4.65mm) Long
.080” (2.03mm) Long
(cannot be used with cap)
F
H
Caps
.201” (5.1mm) Diameter
.295” (7.5mm) Diameter
A
B
C
Cap Colors
Black
White
Red
Slides
*C
* Available in single pole only
Tactiles
Tilt
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
Touch
AB25AP-HA
Indicators
.213” (5.4mm) Long
White Plunger
Black .295” (7.5mm)
Diameter Cap
DPDT
Supplement
Accessories
Straight PC Terminals
ON-(ON) Circuit
C8
www.nkkswitches.com
Process Sealed Subminiature Pushbuttons
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Normal
Pole
Model
Down
Connected Terminals
Normal
Down
Note:
Series AB
Throw & Schematics
Terminal numbers are not
actually on the switch.
INTERNAL
CONNECTION
2 (COM)
1
2
(COM)
3
4
3
5
6
SP
SP
DP
AB11
AB15
AB25
OFF
ON
ON
(ON)
(ON)
(ON)
OPEN
2-3
2-3 5-6
3-1
2-1
2-1 5-4
SPST
SPDT
DPDT
1
3
C
1
PLUNGERS
A
.213” (5.4mm)
Long
(2.8) Dia
.110
B
(5.4)
.213
(4.6)
.183
(2.03)
.080
Standard Plunger Color:
White
Contact factory for red or black options.
PC TERMINALS
P
Straight
B
Straight
with Bracket
(10.16)
.400
H
Right Angle
with Bracket
V
Vertical
with Bracket
(5.08)
.200
(0.6) Dia Typ
.024
(0.5) Typ
.020
(5.08) Typ
.200
(0.8)
.031
(2.54) Typ
.100
(0.6) Dia Typ
.024
(5.08)
.200
(5.08)
.200
(0.3) Typ
.012
(2.54) Typ
.100
(0.6) Dia Typ
.024
(0.7) Typ
.028
(2.54) Typ
.100
(2.54) Typ
.100 (0.6) Dia Typ
.024
(2.54) Typ
.100
(5.08)
.200
(0.3)
.012
(9.0)
.354
(8.8)
.346
(9.0)
.354
(8.8)
.346
(8.8)
.346
(9.0)
.354
(9.0)
.354
(8.8)
.346
SLIP-ON CAPS
F
AT475
.201” (5.1mm) Diameter Cap
(5.1) Dia
.201
(6.3) (5.4)
.248 .213
(2.8) Dia
.110
H
AT496
.295” (7.5mm) Diameter Cap
(7.5) Dia
.295
(6.3) (5.4)
.248 .213
(2.8) Dia
.110
(4.0)
.157
Material: Polyamide
For use with
plungers A & B only.
(4.0)
.157
Material: Polyamide
For use with
plungers A & B only.
Colors Available:
A
Black
B
White
C
Red
C9
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Supplement
Accessories
Indicators
Touch
Use of a support bracket is recommended to increase PCB mounting strength and stability.
B1 & V1 terminal dimensions appear on the pushbutton drawings which follow.
Tilt
(5.08)
.200 (0.3)
.012 (0.7)
.028
(0.5)
.020
(0.7)
.028
Tactiles
Slides
Rotaries
Keylocks
.183” (4.6mm)
Long
(on SP only)
(2.8) Dia
.110
C
.080” (2.03mm)
Long
(on SP only)
(2.8) Dia
.110
Programmable Illuminated PB
Pushbuttons
Rockers
Toggles
Series AB
Toggles
Process Sealed Subminiature Pushbuttons
TYPICAL SWITCH DIMENSIONS
Straight PC
Rockers
(5.0)
.197
(6.0)
.236
(0.4) Typ
.016
Single Pole
(4.0)
(5.1) Dia .157
.201
(4.5)
.177
(0.6) Dia Typ
.024
1
COM
2
3
1
(1.0)
.039
(2.54) Typ
.100
(0.8) Dia Typ
.031
Pushbuttons
(9.8)
.386
(1.0)
.039
(5.08)
.200
2
3
C
AB15AP-FA
Slot
(5.84)
.230
(0.3)
.012
(2.8) Dia
.110
(5.4)
.213
(6.3)
.248
(0.5)
.020
(13.1)
.516
(2.54) Typ
.100
(3.1)
.122
C
L
C
L
Programmable Illuminated PB
AB11 model does not have terminal 2.
Straight PC
(5.0)
.197
(6.0)
.236
Slot
(9.2)
.362
(0.4)
.016
(2.8) Dia
.110
Double Pole
(4.0)
.157
(3.5)
.138
(0.6) Dia Typ
.024
1
COM
2
3
4
5
6
4
1
2
3
(0.4) Typ
.016
(5.1) Dia
.201
(5.08)
.200
(9.8)
.386
5
6
Keylocks
(5.4)
.213
(6.3)
.248
(0.8)
.031
(13.1)
.516
(2.54) Typ
.100
(3.1)
.122
(2.54) Typ
.100
(0.8) Dia Typ
.031
(5.08)
.200
AB25AP-FA
Rotaries
Straight PC • Bracket
(5.0)
.197
(6.0)
.236
Slot
(5.84)
.230
(0.3)
.012
(2.8) Dia
.110
(5.4)
.213
(6.3)
.248
(5.1) Dia
.201
(4.0)
.157
(4.5)
.177
Single Pole
(0.6) Dia Typ
.024
(2.54) Typ
.100
(10.16)
.400
(0.5)
.020
(13.1)
.516
(0.3) Typ
.012
(3.1)
.122
(0.7)
.028
1
COM
2
3
1
(1.0)
.039
(2.54) Typ
.100
(0.8) Dia Typ
.031
(2.54)
.100
1
2
3
(1.0)
.039
Slides
(9.8)
.386
(1.0)
.039
(2.54)
C .100
L
2
3
C
L
(2.54) Typ
.100
(0.8) Dia Typ
.031
C
L
Tactiles
AB15AB-FA
B Terminals
B1 Terminals
Straight PC • Bracket
Tilt
(5.0)
.197
(6.0)
.236
Double Pole
(4.0)
.157
(5.08)
.200
1
COM
2
3
4
5
6
4
1
2
3
(5.1) Dia
.201
(3.5)
.138
Touch
(0.6) Dia Typ
.024
(2.54) Typ
.100
(10.16)
.400
(0.3) Typ
.012
(3.1)
.122
(9.8)
.386
(0.7) Typ
.028
(5.08)
.200
5
6
(2.54) Typ
.100
Slot
(9.5)
.374
(0.4)
.016
(2.8) Dia
.110
(5.4)
.213
(6.3)
.248
(0.8)
.031
(13.1)
.516
(0.8) Dia Typ
.031
Indicators
AB25AB-FA
Right Angle PC
(6.0)
.236
(5.0)
.197
(0.3) Typ
.012
(5.08)
.200
(0.3)
.012
Single Pole (Single Throw)
(5.1) Dia
.201
(4.0)
.157
Slot
(0.8)
.031
(3.3)
.131
3
1
Accessories
(6.18)
.243
(5.08)
.200
1
3
(2.8) Dia
.110
(5.08)
.200
(0.8) Dia Typ
.031
Supplement
AB11AH-FA
C10
(9.8)
.386
(5.4)
(0.7)
.213
.028
(6.3)
.248
(10.8)
(9.38)
.425
.369
(3.1)
.122
(5.08)
.200
(0.6) Dia Typ
.024
(5.08)
.200
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