E
DIGITAST
Microminiature SPDT, Key Switches
Button
Construction
FUNCTION: momentary or push-push
CONTACT ARRANGEMENT: 1 change over contact SPDT, NO
MODE OF SWITCHING: Non-shorting
DISTANCE BETWEEN BUTTON CENTERS:
TERMINALS: PC pins
MOUNTING: Soldering, centering pins
Mechanical
TOTAL TRAVEL: ≤ 3 (.0018)
SWITCHING TRAVEL: 1,5 (0.0591)
LATCHING TRAVEL: 1,8 (0.0709)
OPERATING FORCE: 1.5 +/- 0.5 N (150 +/- 50 grams)
Process
SOLDERABILITY: Max. soldering time and temperature: 5 s at 260˚C
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.
* LED spacing only applies when 1 LED requested
** Additional button colors available by request
Switch
Series
SER
SET
SERU
HORIZONTAL MINIMUM: 12,7 (0.500) or 17,78 (0.700)
VERTICAL MINIMUM: 17,78 (0.700)
Narrow button
Wide button
Switch body
only (no button)
LED
NONE
L
2L
1 LED
2 LED’s
No LED
Button Style
SR
ST
Narrow
Wide
Button Color**
None
BK
GY
Black
Gray
(SERU)
Features/Benefits
•
•
•
•
•
•
1st LED Color
NONE
RD
YE
GN
High reliability/long life
Designed for low level
switching
Ready to implement on PCB
Latching function available
Several button options
RoHS compliant and compatible
LED Spacing*
NONE
7.62
LED Holes
NONE
L
2L
No LED
Red
Yellow
Green
K
Narrow LED Spacing
(TYP Europe)
Wide LED Spacing
(TYP No. America)
No LED holes
1 LED hole
2 LED holes
E–26
Electrical
SWITCHING POWER MAX.: 240 mW DC
SWITCHING VOLTAGE MAX.: 24 V DC
SWITCHING CURRENT MAX.: 10 mA DC
CARRYING CURRENT AT 20˚C (push-push version): 100 mA
DIELECTRIC STRENGTH (50 Hz, 1 min): 500 V
OPERATING LIFE with or without max. switching power
CONTACT RESISTANCE: Initial ≤ 50 mΩ
INSULATION RESISTANCE: ≥ 10
CAPACITANCE at f= 10 kHz: ≤ 0.8pF
BOUNCE TIME: ≤ 2.5 ms
Environmental
OPERATING TEMPERATURE: -25˚C to 85˚C.
Momentary: ≥ 5 x 10
Push-push: ≥ 5 x 10
After 5 x 10
Operating speed 400 mm/s (15.75/s)
Button Color**
BK
GY
2nd LED Color
NONE
RD
YE
GN
Black
Gray
6
operations: ≤ 100 mΩ
No LED
Red
Yellow
Green
Contact Material
AU
6
5
operations
operations
Latching
None
EE
A
Gold
Typical Applications
•
•
•
•
10
Specifications and dimensions subject to change
U
For use with momentary switch
With “EE” staple for latching
Ω
Audio electronics
Medical
Instrumentation
Industrial electronics
Function
EE
OA
www.ck-components.com
Body Color
NONE
BRN
Dimensions are shown: mm (inch)
Latching
Non-latching
White (STD)
Brown