DIGITAST
Microminiature SPDT, Key Switches
Features/Benefits
Typical Applications
• Medical
• High reliability/long life
• Designed for low level
• Instrumentation
• Industrial electronics
• Audio electronics
switching
• Ready to implement on PCB
• Latching function available
• Several button options
• RoHS compliant and compatible
Electrical
Construction
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
Momentary: ≥ 5 x 106 operations
FUNCTION: momentary or push-push
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)
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: 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.
Switch
A
U
E
Series
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
* LED spacing only applies when 1 LED requested
Button
K
Button Style
SR Narrow
ST Wide
LED Holes
NONE No LED holes
Button Color**
BK Black
GY Gray
L
2L
1 LED hole
2 LED holes
Latching
None For use with momentary switch
EE With “EE” staple for latching
** Additional button colors available by request
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
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