Series 228D
6.8 x 5.0mm 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 styles, colors, and laser etching options
Ordering Information
Series
22
222I
228D
Terminal
Type
M
Actuating Actuation LED
Direction Force
Color
V
LED
Type
F
Cap
Style
A
Cap
Color
MS
Laser
Etching
A
Packaging
R
E
M
S1
A
A
R
Code
D1
M
Spec.
Standard through hole
(black actuator), terminal
length 1.5mm
Surface mount gull wing
(black actuator)
Blank – No Etching
(only available on
Natural color caps)
See table on page.2
Code
F
Spec.
Flat
Blank – No Cap
See table on
page 2
Blank – No Cap
See table on
pages 2
Code
R
Y
G
B
W
A
RG
RB
YG
BW
RA
AW
Spec.
Red
Yellow
Pure Green
Blue
White
Amber
Red & Green
Red & Blue
Yellow & Green
Blue & White
Red & Amber
Amber & White
Code
S1
Spec.
Side, height: 3.5mm from
cap center to PCB
Code
A
Spec.
220 gf
Spec.
Tape & reel
packaging
R
(only available for
surface mount type)
Tray packaging
Blank (only available for
standard through
hole type)
Code
Note: Caps supplied in bulk for surface mount terminal
constructions and must be installed after IR reflow soldering.
2019-6-10 Rev. B
www.ctscorp.com
Page 1 of 4
© 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 228D
Tactile Switch
Cap Style
Code
A
Spec.
Cylinder on 3/4 circle
Cap Color
Code
MS
W
BB
R
MB
A
N
Spec.
Misty Silver
White
Bright Black
Red
Misty Black
Orange
Natural
Cap Style Details
Style A: Cylinder on 3/4 round
Cap Etching
Code
A
B
C
Style
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
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
220gf
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
-25°C to +70°C
-30°C to +80°C
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
2019-6-10 Rev. B
www.ctscorp.com
Page 2 of 4
© 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 228D
Tactile Switch
Mechanical Specifications
Figure 1 – 228DD1S1…, Standard Though Hole, Terminal Length 2.1mm, Side Actuation,
Height: 3.5mm from cap center to PCB
Figure 2 – 228DMS, Surface Mount Gull Wing, Vertical Actuation
6.2
2019-6-10 Rev. B
www.ctscorp.com
Page 3 of 4
© 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 228D
Tactile Switch
Packing: Tape and Reel
Surface Mount Gull Wing, Actuator Height 7.0mm
The packing specifications:
1. Structure and materials:
No PART NAME
①
REEL
②
CARRIER TAPE
③
COVER TAPE
MATERIAL
POLYSTYRENE
POLYSTYRENE
POLYESTER
2. Packing quantity: 450 pcs/reel
3. More than 15 empty pockets should remain at each end of the carrier tape for each reel.
4. Shortage of less than 10 pcs a reel is acceptable but no more than 3 consecutive empty
pockets are allowed.
5. Stripping strength of cover tape is between 10 gf to 130 gf and stripping angle should be
within 165°~180°.
6. The product in the pocket of carrier tape should be placed in a specified correct position.
7. Tape and reel per EIA-481.
8. Dimensions:
2019-6-10 Rev. B
www.ctscorp.com
Page 4 of 4
© 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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