GT Series
Sealed Ultraminiature Toggle Switches
Features/Benefits
• Sealed against solder and cleaning
process contaminants
• Ultraminiature size, smallest
Typical Applications
• Hand-held telecommunications
• Small instrumentation
footprint available
• Thru-hole and surface mount models
• High temperature materials (UL 94V-0)
• RoHS compliant and compatible
Specifications
Materials
CONTACT RATING: 0.4 VA max. @ 20 V AC or DC max.
MECHANICAL & ELECTRICAL LIFE: 40,000 make-and-break
cycles at full load.
CONTACT RESISTANCE: Below 50 m Ω typ. initial @
2-4 V DC, 100 mA.
INSULATION RESISTANCE: 109 Ω min.
DIELECTRIC STRENGTH: 500 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30ºC to 85ºC.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
EIA RS-186E method 9 (1 hour steam aging).
PACKAGING: Surface mount switches shipped in anti-static
tape and reel packaging per EIA 481-3, see page F-47 for
drawings and reel information. Tape and cover strip are
conductive for use near statically sensitive components,
consult Customer Service Center.
HOUSING AND BASE: Glass filled nylon 4/6, flame retardant,
heat stabilized (UL 94V-0).
ACTUATOR: Glass filled nylon 4/6, flame retardant, heat stabilized
(UL 94V-0), with standard internal o-ring seal.
SWITCH SUPPORT: Brass, tin plated.
MOVABLE CONTACTS: Copper alloy, with gold plate over
nickel plate.
STATIONARY CONTACTS: Copper alloy, with gold plate over
nickel plate.
TERMINALS: Gold.
TERMINAL SEAL: Epoxy. All terminals insert molded.
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
How To Order
Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select
desired option from each category and place it in the appropriate box.
G
T
M
B
E
T
R
Packaging
TR Tape & Reel
Pole
1 1
2 2
Seal
E Epoxy
Function
1 On-None-On
2 Off-None-On
3 On-Off-On
Actuator
M
Contact Material
B Gold
Termination
C PC thru-hole
A Right angle, PC thru-hole
AV Vertical right angle, PC thru-hole
V3 PC thru-hole, V-bracket
SA Right angle, surface mount
SC Vertical, surface mount
F
Toggle
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
4 Mar 22
F–43
www.ckswitches.com
GT Series
Sealed Ultraminiature Toggle Switches
Complete part numbers for GT Series Sealed Ultraminiature Toggle Switches are shown on following pages.
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
.100
(2,54)
PART NUMBER
GT11MCBE
SPDT
GT11MCBE
GT13MCBE
ON
NONE
ON
OFF
ON
Conn. Terms.
2-3
OPEN
2-1
ON
4
Schematic
.170 DIA.
SPDT
Conn. Terms.
OFF
NONE
ON
OPEN
N/A
3-1
.020 TYP.
(0,51)
.066 DIA.
.063
(1,60)
Note: Pins 4 and 6 not connected
GT12MCBE
C&K MARKING ON
.015 TYP.
(0,38)
OPPOSITE SIDE
.100
(2,54)
6
.150
(3,81)
.160
(4,06)
.228
(5,79)
Schematic
EPOXY
SEAL
3
2
1
.276
(7,01)
.177
(4,50)
.130 TYP.
(3,30)
ACTUATOR SHOWN IN POS. 1
TERMINAL NOS. FOR
SPST
Note: Pins 4 and 6 not connected
REFERENCE ONLY
PC MOUNTING
GT12-omit hole 2.
6
3
4
1
GT12 MODEL
TERMINALS 1,3,4 & 6 ONLY
.100
(2,54)
C&K MARKING ON
OPPOSITE SIDE
.150
(3,81)
.160
(4,06)
.170 DIA.
.020 TYP.
(0,51)
.066 DIA.
.063
(1,60)
.228
(5,79)
EPOXY
SEAL
.015 TYP.
(0,38)
.100
(2,54)
6
5
4
3
2
1
PART NUMBER
.276
(7,01)
.177
(4,50)
PC MOUNTING
GT21MCBE
GT23MCBE
Conn. Terms.
ON
NONE
ON
ON
OFF
ON
2-3, 5-6
OPEN
2-1, 5-4
Schematic
.130 TYP.
(3,30)
ACTUATOR SHOWN IN POS. 1
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
TERMINAL NOS. FOR
REFERENCE ONLY
6
3
4
1
GT22 MODEL
TERMINALS 1,3,4 & 6 ONLY
GT21MCBE
DPDT
DPDT
GT22MCBE
Conn. Terms.
OFF
NONE
OPEN
N/A
ON
3-1, 6-4
Schematic
DPST
GT22-omit holes 2 & 5.
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
GT11MABE
GT13MABE
ON
NONE
ON
ON
OFF
ON
Conn. Terms.
2-3
OPEN
Schematic
4 Mar 22
F–44
SPDT
2-1
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Toggle
PART NUMBER
F
GT22MCBE
GT Series
Sealed Ultraminiature Toggle Switches
Conn. Terms.
OPEN
N/A
3-1, 6-4
Schematic
DPST
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
PART NUMBER
Actuator Shown
In Pos. 1
GT11MABE
GT13MABE
ON
NONE
ON
ON
OFF
ON
Conn. Terms.
2-3
OPEN
2-1
Schematic
PC MOUNTING
GT11MABE
Horizontal
Actuation
SPDT
SPDT
GT12MABE
GT12 Models
Conn. Terms.
OFF
NONE
ON
OPEN
N/A
3-1
Schematic
SPST
GT12-omit hole 2.
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
PART NUMBER
GT21MABE
GT23MABE
Conn. Terms.
ON
NONE
ON
ON
OFF
ON
2-3, 5-6
OPEN
2-1, 5-4
GT21MABE
Horizontal
Schematic
Actuation
Actuator Shown
In Pos. 1
DPDT
DPDT
GT22MABE
PC MOUNTING
Conn. Terms.
OFF
NONE
ON
OPEN
N/A
3-1, 6-4
Schematic
DPST
GT22 Models
GT22-omit holes 2 & 5.
Toggle
F
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
4 Mar 22
F–46
www.ckswitches.com
GT Series
Sealed Ultraminiature Toggle Switches
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
PART NUMBER
GT11MAVBE
GT13MAVBE
ON
NONE
ON
OFF
ON
Conn. Terms.
2-3
OPEN
2-1
OFF
NONE
ON
OPEN
N/A
3-1
ON
Schematic
GT11MAVBE
Vertical
Actuation
SPDT
SPDT
GT12MAVBE
Conn. Terms.
Schematic
Actuator Shown In Pos. 1
PC MOUNTING
GT12
omit hole 2.
SPST
GT12 Models
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
PART NUMBER
GT21MAVBE
GT23MAVBE
Conn. Terms.
ON
NONE
ON
ON
OFF
ON
2-3, 5-6
OPEN
2-1, 5-4
OFF
NONE
ON
OPEN
N/A
3-1, 6-4
Schematic
GT21MAVBE
Vertical
Actuation
DPDT
DPDT
GT22MAVBE
Conn. Terms.
Actuator Shown In Pos. 1
PC MOUNTING
Schematic
GT22
omit holes 2 & 5.
DPST
GT22 Models:
1, 3, 4 & 6 terminals only.
SWITCH FUNCTION
POS.1
POS. 2
POS. 3
PART NUMBER
GT11MV3BE
SPDT
GT11MV3BE
GT13MV3BE
ON
NONE
ON
OFF
ON
Conn. Terms.
2-3
OPEN
2-1
ON
Schematic
SPDT
GT12MV3BE
Conn. Terms.
Note: Pins 4 and 6 not connected
OFF
NONE
ON
OPEN
N/A
3-1
Actuator Shown In Pos. 1
F
PC MOUNTING
Schematic
GT12 Models
Toggle
SPST
Note: Pins 4 and 6 not connected
GT12
omit hole 2.
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
4 Mar 22
F–47
www.ckswitches.com
GT Series
Sealed Ultraminiature Toggle Switches
SWITCH FUNCTION
POS.1
POS. 2 POS. 3
PART NUMBER
GT21MV3BE
GT23MV3BE
Conn. Terms.
GT21MV3BE
GT22 Models:
1, 3, 4 & 6 terminals only.
DPDT
ON
NONE
ON
ON
OFF
ON
2-3, 5-6
OPEN
2-1, 5-4
OFF
NONE
ON
OPEN
N/A
3-1, 6-4
Schematic
DPDT
GT22MV3BE
Actuator Shown
In Pos. 1
Conn. Terms.
PC MOUNTING
Schematic
DPST
.150
(3,81)
.273
(6,93)
.066 DIA.
PART NUMBER
1 2 3
GT11MSABE
Horizontal
.200
(5,08)
.020 TYP.
(0,51)
.109
(2,77
)
Actuation
SPDT
.053
(1,35)
.340
(8,64)
SWITCH FUNCTION
POS.1
POS. 2 POS. 3
.276
(7,01)
.215
(5,46)
GT11MSABETR
GT13MSABETR
.015 X.020TYP.
(0,38) (0,51)
X
.100 TYP. Conn. Terms.
(2,54)
Schematic
TERM NOS. FOR
REFEREN CE ONLY
.050 TYP.
(1,27)
ACTUA TOR SHO WN IN POS.1
ON
NONE
ON
ON
OFF
ON
2-3
OPEN
2-1
OFF
NONE
ON
OPEN
N/A
3-1
SPDT
PC MOUNTING
GT12MSABETR
EPO XY
SEA L
1
3
GT12 MODE L
TERM S.1 & 3 NLY
O
Conn. Terms.
Schematic
SPST
Standard with tape & reel packaging, see page F-47.
GT12-omit pad 2.
SWITCH FUNCTION
POS.1
POS. 2 POS. 3
PART NUMBER
PC MOUNTING
SPDT
NONE
ON
ON
OFF
ON
Conn. Terms.
2-3
OPEN
2-1
SPDT
Note: Pins 4 and 6 not connected
GT12MSCBETR
Conn. Terms.
F
Toggle
ON
Schematic
Actuator Shown
In Pos. 1
GT11MSCBE
GT11MSCBETR
GT13MSCBETR
OFF
NONE
ON
OPEN
N/A
3-1
Schematic
GT12 Models
Standard with tape & reel packaging, see page F-47.
SPST
Note: Pins 4 and 6 not connected
GT12-omit pad 2.
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
4 Mar 22
F–48
www.ckswitches.com
GT Series
Sealed Ultraminiature Toggle Switches
SWITCH FUNCTION
POS.1
POS. 2 POS. 3
PART NUMBER
GT21MSCBETR
GT23MSCBETR
Conn. Terms.
GT21MSCBE
DPDT
ON
NONE
ON
OFF
ON
ON
2-3, 5-6
OPEN
2-1, 5-4
Actuator Shown
In Pos. 1
Schematic
PC MOUNTING
DPDT
GT22MSCBETR
Conn. Terms.
OFF
NONE
ON
OPEN
N/A
3-1, 6-4
Schematic
GT22 Models
DPST
GT22-omit pads 2 & 5.
Standard with tape & reel packaging
TAPE & REEL
For part numbers GT11MSABE, GT12MSABE, GT13MSABE
REEL INFORMATION
OUTSIDE DIAMETER
PILOT HOLE
13.00 (330,0)
.512 (13,0)
QUANTITY PER REEL
600
For part numbers GT11MSCBE, GT12MSCBE, GT13MSCBE, GT21MSCBE, GT22MSCBE, GT23MSCBE,
REEL INFORMATION
OUTSIDE DIAMETER
PILOT HOLE
QUANTITY PER REEL
13.00 (330,0)
.512 (13,0)
200
F
Toggle
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
4 Mar 22
F–49
www.ckswitches.com