Series 228B
6.0 x 6.0mm Illuminated Tactile Switch
Surface mount gull-wing terminal and standard through hole configurations
Compatible with IR reflow, and manual soldering
Single color display during illumination
Variety of LED color options
Variety of cap shape, color, laser etching options
Ordering Information
Series
228B
Code
R
Code
Y
D
G
M
B
W
Spec.
Red
Spec.
Yellow through hole
Standard
(white actuator)
Green
Surface mount gull wing
(black actuator)
Blue
Blank – No Cap
See table on
page 2
Blank – No Etching
(only available on
Natural color caps)
See table on page.2
Spec.
Tape & reel
packaging
R
(only available for
surface mount type)
Tray packaging
Blank (only available for
standard through
hole type)
Note: Caps supplied in bulk for
surface mount terminal
constructions and must be
installed after IR reflow
soldering.
Terminal
Type
M
Actuating Actuation
Direction
Force
V
A
LED
Color
R
LED
Type
F
Cap
Style
AF
Cap
Color
MS
Laser
Etching
A
Packaging
R
Blank – No Cap
See table on
pages 2 - 4
Code
F
*Blank
Spec.
Flat
Bulb
Code
Spec.
White
V
Vertical
A
Amber
Code Spec.
A
RG
Red & Green 160 gf
RB
YG
Red & Blue
Yellow & Green
Code
R
Y
G
B
W
A
RG
RB
YG
RA
AW
Spec.
Red
Yellow
Pure Green
Blue
White
Amber
Red & Green
Red & Blue
Yellow & Green
Red & Amber
Amber & White
*Blank is only available
for no cap, through hole
terminal and single color
LED
Code
Note: Not all part
number combinations R
A
are available. Please
review the notes on the
following pages.
1.
2019-6-10 Rev. D
www.ctscorp.com
Page 1 of 7
© 2019 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
Series 228B
Tactile Switch
Cap Style
Code
*AF
*BF
*CF
*DF
*EF
*F
G
H
J1
J2
K
L
M
1)
2)
Cap Color
Code
B
V
G
Cap Color
Black
Ivory
Gray
Code
MS
W
BB
R
MB
A
N
Cap Color
Misty Silver
White
Bright Black
Red
Misty Black
Orange
Natural
Spec.
Square (10 x 10)
Square (12.5 x 12.5)
Round (Dia. 10)
Dome (Dia. 10)
Button (Dia. 14)
Square with center dot (7.5 x 7.5)
Elliptical column
(only available with arrow laser etching)
Bullet
Hollow Cylinder, height 8.2mm
Cylinder, height 10.3mm
Joystick button
Square (7.5 x 7.5)
Round (Dia.10)
Only available for cap style
of AF, BF, CF, F
Cap Etching
Code
A
B
C
D
E
POWER
Style
AF, BF, CF, DF, EF are only available for through hole
terminals
AF, BF, CF, F – etching not available for these cap
styles. Cap supplied with a transparent center dot
Cap Style Details
Style AF: Square in with Center Dot (10 x 10)
Ex. of Ivory
Frame with
Ivory Cap
Style CF: Round with Center Dot (Dia. 10mm)
Ex. of Black
Frame with Gray
Cap
Style BF: Square with Center Dot (12.5 x 12.5)
Ex. of Black
Frame with
Ivory Cap
Style DF: Dome (Dia. 10mm)
Ex. of Black
Frame with Ivory
Cap
2019-6-10 Rev. D
www.ctscorp.com
Page 2 of 7
© 2019 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
Series 228B
Tactile Switch
Style EF: Button with Frame (Dia. 14)
Only available with POWER etching
Ex. of Silver
Frame with
Red Cap
Style J1: Hollow Cylinder, 8.2mm height
Ex. of Orange Cap
Style F: Square with Center Dot (7.5 x 7.5)
Ex. of Ivory Cap
Style J2: Cylinder, 10.3mm height
Ex. of Misty
Silver Cap
Style G: Elliptical column
(Only available with natural color and no etching)
Style K: Joystick button
(Only
available with natural color and no etching)
Ex. of
Natural Cap
Ex. of
Natural Cap
Style H: Bullet
(Only available with natural color and no etching)
Ex. of
Natural Cap
Style L: Square (7.5x7.5)
Ex. of Misty
Silver Cap
2019-6-10 Rev. D
www.ctscorp.com
Page 3 of 7
© 2019 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
Series 228B
Tactile Switch
Style M: Round (Dia.10)
Ex. of Misty
Silver Cap
Electrical Specifications
Parameter
Contact Resistance
Insulation Resistance
Dielectric Strength
Nonswitching Rating
Conditions & Remarks
Between insulated
terminals
1 minute between
adjacent switches
Min
100
250
50
or
12
Max
100
Unit
milliohms
megohms
VAC
mA
or
VDC
Mechanical and Environmental
Soldering
RoHS
Operating Force
Actuation Life
Actuator Strength
Travel
Packaging
Operating Temperature
Range
Storage Temperature
Range
Maximum reflow temperature, 260°C for 5 seconds
Maximum manual temperature, 350°C for 3 seconds
Lead-Free. Fully compliant to RoHS Directive 2011/65/EU and 2015/863/EU
160gf
100,000 cycles
2 Kgf maximum
0.25
±0.1mm
Standard tape and reel packaging for surface mount gull wing terminal
Tray packaging for standard though hole
-20°C to +70°C
-30°C to +80°C
2019-6-10 Rev. D
www.ctscorp.com
Page 4 of 7
© 2019 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
Series 228B
Tactile Switch
Mechanical Specifications
Figure 1 – 228BDV, Standard Though Hole, Vertical Actuation
Figure 2 – 228BMV, Surface Mount Gull Wing, Vertical Actuation
2019-6-10 Rev. D
www.ctscorp.com
Page 5 of 7
© 2019 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
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