DIGITAST
Microminiature SPDT, Key Switches
Features/Benefits
Typical Applications
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High reliability/long life
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•
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Medical
Designed for low level
switching
Instrumentation
Industrial electronics
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Ready to implement on PCB
Latching function available
Several button options
• Audio electronics
RoHS compliant and compatible
Construction
Electrical
FUNCTION: momentary or push-push
SWITCHING POWER MAX.: 240 mW DC
CONTACT ARRANGEMENT: 1 change over contact SPDT, NO
MODE OF SWITCHING: Non-shorting
DISTANCE BETWEEN BUTTON CENTERS:
HORIZONTAL MINIMUM: 12,7 (0.500) or 17,78 (0.700)
VERTICAL MINIMUM: 17,78 (0.700)
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
Momentary: ≥ 5 x 106 operations
TERMINALS: PC pins
MOUNTING: Soldering, centering pins
Push-push: ≥ 5 x 105 operations
CONTACT RESISTANCE: Initial ≤ 50 mΩ
After 5 x 106 operations: ≤ 100 mΩ
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)
INSULATION RESISTANCE: ≥ 1010 Ω
CAPACITANCE at f= 10 kHz: ≤ 0.8pF
BOUNCE TIME: ≤ 2.5 ms
Operating speed 400 mm/s (15.75/s)
Environmental
Process
OPERATING TEMPERATURE: -25˚C to 85˚C.
SOLDERABILITY:
Wave soldering, compatible with lead free soldering profile
Hand soldering, 350˚C for 3 seconds
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. Some of the configurations may not be available
or could require some development.
Switch
A
U
Series
D
1st LED Color***
NONE No LED
SER Narrow button
SET Wide button
SERU Switch body
only (no button)
Function
EE Latching
OA Non-latching
RD
YE
GN
Red
Yellow
Green
Contact Material
AU Gold
LED
NONE No LED
1 LED
2L 2 LED’s
LED Spacing*
NONE Narrow LED Spacing
(TYP Europe)
7.62 Wide LED Spacing
(TYP No. America)
L
Button Color**
Body Color
NONE White (STD)
BRN Brown
2nd LED Color***
NONE No LED
None (SERU)
BK Black
GY Gray
RD
YE
GN
Red
Yellow
Green
Button
K
Button Style
SR Narrow
ST Wide
LED Holes
NONE No LED holes
Button Color**
BK Black
GY Gray
L
1 LED hole
2L
2 LED holes
Latching
None For use with momentary switch
EE With “EE” staple for latching
* LED spacing only applies when 1 LED requested
** Additional button colors available by request
*** Additional LED colors available by request including Bi color configurations
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
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