Series G3B
Toggles
Ultra-Miniature Process Sealed SMT 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:
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
80 milliohms maximum
500 megohms minimum @ 500V DC
500V AC minimum for 1 minute minimum
50,000 operations minimum
50,000 operations minimum
2.0N
Pretravel: .024” (0.6mm); Overtravel: .019” (0.5mm); Total Travel: .043” (1.1mm)
Keylocks
Materials & Finishes
Actuator:
Case:
Sealing Rings:
Movable Contacts:
Stationary Contacts:
Base:
Terminals:
Polyphenylene sulfide (UL94V-0)
Polyphenylene sulfide (UL94V-0)
Nitrile butadiene rubber
Phosphor bronze with gold plating
Phosphor bronze with gold plating
Polyphenylene sulfide (UL94V-0)
Phosphor bronze with gold plating
Slides
Rotaries
Environmental Data
Tactiles
Operating Temperature 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 ~ 500Hz 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
Mounting:
Coplanarity:
It is recommended that the body of models for upright mounting without bracket be fastened to a
panel or similar support for protection of solder joints from mechanical stress.
See specifications in Terms & Acronyms in Supplement section.
Touch
Processing
Soldering:
Cleaning:
Indicators
Reflow Soldering Recommended. See Profile B in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Automated cleaning. See Cleaning specifications in Supplement section.
Accessories
Standards & Certifications
Flammability Standard:
Supplement
UL94V-0 actuator, case & base
The G3B 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.
C52
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Ultra-Miniature Process Sealed SMT Pushbuttons
Series G3B
Toggles
C
Tape-reel and stick-tube packaging allow rapid automated
placement of surface mount devices. Tape-reel packaging
meets EIA-481-D Standard.
Heat resistant resin used for housing, base, and plunger
allows vapor phase and infrared convection reflow
soldering.
Combination of design features achieves total seal and
allows automated processing techniques, including flux
cleaning procedures: one-piece bushing and housing,
rubber seals surrounding actuator and base, epoxy at
joint of case and base, and molded-in, epoxy-sealed
terminals.
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.)
Gull-wing terminals provide mechanical stability during soldering
and simplified solder joint inspection.
Coplanarity: all considered surfaces must lie between two parallel planes that
area maximum distance apart of .0059” (0.15mm). (Additional coplanarity
details in Terms and Acronyms in the Supplement section.)
Actual Size
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C53
Supplement
Accessories
Indicators
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Ultra-miniature size allows high density mounting, and extremely light weight
of 0.6 gram makes these switches ideal for handheld equipment.
Rockers
Distinctive
Characteristics
Series G3B
Toggles
Ultra-Miniature Process Sealed SMT Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
Pushbuttons
Rockers
G3B
C
1
2
1
5
A
B
Terminals
Colors
A
B
C
Black
White
Red
Poles
SPDT
DPDT
A
Programmable Illuminated PB
Plunger
.130” (3.3mm) Long
P
B
Gull Wing for
Upright Mount
Gull Wing for
Upright with Bracket
Gull Wing for
Right Angle
Circuits
5
ON
(ON)
( ) = Momentary
H
Optional Caps
Slip-on Cap
.157” (4.0mm) Diameter
X
(For installation after
processing only)
Y
Process Compatible Cap
.157” (4.0mm) Diameter
(Combines with R or S
packaging only)
Keylocks
Packaging
No
Partitioned Tray for Upright &
Code
Right Angle - Any Quantity
R
Tape-Reel for Right Angle Only
500 Pieces/Reel
Stick-Tube for Upright Mount
50 Pieces/Stick
Rotaries
S
Packaging details at end of G3B Series
Slides
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
G3B15AB
Tactiles
.130” (3.3mm)
Long Plunger
Packaged in Partitioned Tray
SPDT
ON-(ON) Circuit
Gull Wing Terminals for
Upright with Bracket Mount
Tilt
Touch
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Normal
Pole
Model
Down
Connected Terminals
Normal
Down
Note:
Terminal numbers are not
actually on the switch.
5 (COM)
Throw & Schematics
Accessories
Indicators
SP
G3B15
ON
(ON)
5-6
5-4
SPDT
4
5
(COM)
6
1
6
2
3
Supplement
DP
G3B25
ON
(ON)
5-6 2-3
5-4 2-1
DPDT
4
C54
www.nkkswitches.com
Ultra-Miniature Process Sealed SMT Pushbuttons
PLUNGER & OPTIONAL CAPS
A
.130” (3.3mm)
Long Plunger
Series G3B
Y
Process Compatible Cap
.157” (4.0mm) Diameter
Toggles
Material: Polyamide
(3.3)
.130
Finish: Glossy
(2.4)
.094
(3.8)
.150
Caution:
Pulling force specification for this
cap is not warranted after reflow processing.
Material: Polyamide
Finish: Glossy
C
Cap Colors Available:
A
Black
B
White
C
Red
TYPICAL SWITCH DIMENSIONS
Single & Double Pole
(0.6) Typ
.024
(4.0) Dia
.157
(0.25) Typ
.010
Support Legs
(5.08)
.200
(2.0) Dia
.079
Slot
(1.5)
.059
(3.3)
.130
(0.7)
.028
(9.0)
.354
(0.1)
.004
4
6
1
2
3
Upright Mounting
(8.5)
5 COM
.335
4
5
6
COM
.335
(8.5)
(0.5) Typ
.020
(7.6)
.299
(7.6)
.299
(0.5) Typ
.020
(5.0)
.197
G3B25AP
Slides
Supplement
Accessories
Indicators
Touch
Tilt
Tactiles
Single & Double Pole
(0.6) Typ
.024
(4.0) Dia
.157
(0.25) Typ
.010
Support Legs
(5.08)
.200
(2.0) Dia
.079
Slot
(1.5)
.059
(3.3)
.130
(0.7)
.028
(9.0)
.354
(0.1)
.004
(0.9) Typ
.035
(7.6)
.299
(3.8)
.150
4
6
Upright Mounting with Bracket
(3.8)
.150
1
2
3
4
(1.2) Typ
.047
(1.2) Typ
.047
(11.0)
5 COM
.433
5 COM
.433
6
(11.0)
(0.5) Typ
.020
(0.5) Typ
.020
(0.9) Typ
.035
(7.6)
.299
(5.0)
.197
G3B15AB
(3.8) Typ
.150
(2.54) Typ (1.25) Typ
.100
.049
Right Angle Mounting
(4.0) Dia
.157
(11.0)
.433
(2.0) Dia
.079
(1.5)
.059
(3.3)
.130
(0.5) Typ
.020
(0.9) Typ
.035
(0.55)
.022
Slot
(9.0)
.354
Single Pole
Double Pole
(5.55)
.219
(0.25) Typ
.010
(8.5)
.335
6
(5.55)
.219
6 3 5 2 4 1
(0.25)
.010
5 4
COM
(0.1)
.004
COM
(0.1)
.004
G3B15AH
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C55
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
(2.0) Dia
.079
Available with bulk pack-
aging only. Cap must be
installed after processing.
Actual Size
(4.0) Dia
.157
Factory assembled. Available with tape-reel
or stick-tube packaging only.
Rockers
X
AT4063 Slip-on Cap
.157” (4.0mm) Diameter
Series G3B
Toggles
Ultra-Miniature Process Sealed SMT Pushbuttons
Upright Mounting
Support
Pads
4
5
Pad Layouts for
Surface Mount
Terminals
Upright Mounting with Bracket
(1.7) Typ
.067
(2.54) Typ
.100
4
5
Right Angle Mounting
(1.1) Typ
.043
(3.8)
.150
(1.7) Typ
.067
(2.54) Typ
.100
(3.8)
.150
Rockers
(1.7) Typ
.067
(2.54) Typ
.100
(1.1) Typ
.043
Support
Pads
Single Pole
Double Throw
Pushbuttons
C
(0.635)
.025
(0.7) Typ
.028
6
(2.54) Typ
.100
(6.0)
.236
(0.635)
.025
(0.635)
.025
(0.7) Typ
.028
6
(9.75)
.384
(2.54) Typ
.100
(0.635)
.025
(6.0)
.236
(1.55) Typ
.061
(9.75)
.384
4
5
6
(1.55) Typ
.061
(0.635)
.025
(0.7) Typ
.028
(3.0)
.118
Programmable Illuminated PB
(1.7) Typ
.067
(2.54) Typ
.100
(1.7) Typ
.067
1
4
5
2
3
(3.8)
.150
(1.1) Typ
.043
1
(1.1) Typ
.043
(9.75)
.384
(3.8)
.150
(2.54) Typ
.100
4
5
2
3
Double Pole
Double Throw
(0.635)
.025
(0.7) Typ
.028
6
(2.54) Typ
.100
(0.635)
.025
(6.0)
.236
(0.635) Typ
.025
(0.7) Typ
.028
6
(2.54) Typ
.100
(0.635)
.025
(1.55) Typ
.061
(9.75)
.384
1
4
2
5
3
6
(1.7) Typ
.067
(1.27) Typ
.050
(6.0)
.236
(1.55) Typ
.061
(0.635) Typ
.025
(0.7) Typ
.028
(3.0)
.118
Keylocks
PACKAGING
No
Code
Partitioned Tray
for Upright & Right Angle
Any quantity
Slides
Rotaries
Touch
Tilt
Tactiles
If the G3 upright models are ordered in less than
50-piece increments or the right angle models in
less than 500-piece increments, the switches are
packaged in a partitioned tray.
No code is required.
R
Tape-Reel
for Right Angle
500 pieces per reel
Switches must be ordered in 500-piece increments
when tape-reel packaging is selected.
This packaging meets EIA-481-D Standard for “16mm
and 24mm Embossed Carrier Taping of Surface Mount
Components for Automatic Handling.”
Supplement
Accessories
Indicators
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