DIGITAST
Microminiature SPDT, Key Switches
Features/Benefits
•
High reliability/long life
•
Designed for low level
switching
•
Ready to implement on PCB
•
Latching function available
•
Several button options
Typical Applications
•
Medical
•
Instrumentation
•
Industrial electronics
•
Audio electronics
•
RoHS compliant and compatible
Construction
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
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
Momentary:
≥
5 x 10
6
operations
Push-push:
≥
5 x 10
5
operations
CONTACT RESISTANCE: Initial
≤
50 mΩ
After 5 x 10
6
operations:
≤
100 mΩ
INSULATION RESISTANCE:
≥
10
10
Ω
CAPACITANCE at f= 10 kHz:
≤
0.8pF
BOUNCE TIME:
≤
2.5 ms
Operating speed 400 mm/s (15.75/s)
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)
Environmental
OPERATING TEMPERATURE: -25˚C to 85˚C.
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.
Switch
A
U
E
Key Switches
Series
SER
Narrow button
SET
Wide button
SERU
Switch body
only (no button)
LED
NONE
No LED
L
1 LED
2L
2 LED’s
1st LED Color
NONE
No LED
RD
Red
YE
Yellow
GN
Green
LED Spacing*
NONE
Narrow LED Spacing
(TYP Europe)
7.62
Wide LED Spacing
(TYP No. America)
Function
EE
Latching
OA
Non-latching
Contact Material
AU
Gold
2nd LED Color
NONE
No LED
RD
Red
YE
Yellow
GN
Green
Body Color
NONE
White (STD)
BRN
Brown
Button Color**
None
(SERU)
BK
Black
GY
Gray
* LED spacing only applies when 1 LED requested
Button
Button Style
SR
Narrow
ST
Wide
K
LED Holes
NONE
No LED holes
L
1 LED hole
2L
2 LED holes
** Additional button colors available by request
Button Color**
BK
Black
GY
Gray
Latching
None
For use with momentary switch
EE
With “EE” staple for latching
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–26
www.ittcannon.com
DIGITAST
Microminiature SPDT, Key Switches
LED
NONE
NO LED
L
2
7,62
[0.3]
1 LEDs
7.62 mm Spacing (TYP No. America)
2,54
[0.1]
2L
0
2
2 LEDs
+
-
[0.3]
7,62
-
2,54
0
2
[0.1]
7,62
[0.3]
0
0
1
0
1
0
5,08
[0.2]
15,24
[0.6]
2,54
[0.1]
+
5,08
5,08
2,54
[0.1]
+
5,08
[0.2]
5,08
[0.2]
1
2,54
[0.1]
[0.2]
[0.2]
10,16
[0.4]
15,24
[0.6]
10,16
[0.4]
15,24
[0.6]
NARROW SPACING (TYP EUROPE)
2,54
+
0
2
-
[0.1]
ø 1.0±0.1 (0.0394±0.00349)
7,62
[0.3]
ø 1.1±0.05 (0.0433±0.00197)
0
+
5,08
[0.2]
5,08
[0.2]
1
2,54
[0.1]
10,16
[0.4]
15,24
[0.6]
TOP VIEW OF PCB
BUTTON COLOR
BK
BLACK
GY
GRAY
Other button colors available by request [red (RD), green (GN), white (WH), yellow (YE) , blue (BU) , orange (OG)].
LED COLOR
OPTION
CODE
COLOR
Models without LED
Red
Green
Yellow
E
Key Switches
NONE
RD
GN
YE
CONTACT MATERIAL
OPTION
CODE
MATERIAL
Gold
AU
NOTE:
For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs.
FUNCTION
OPTION
CODE
COLOR
Momentary
0
0
SCHEMATIC
OA
2
1
EE
Push-Push
0
0
2
1
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–28
www.ittcannon.com
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