DIGITAST
Microminiature SPDT, Key Switches
Features/Benefits
Typical Applications
• High reliability / long life
• Designed for low level
switching
• Ready to implement on PCB
• Latching function available
• Several button options
•
•
•
•
Medical
Instrumentation
Industrial electronics
Audio electronics
Construction
Electrical
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
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)
SWITCHING POWER MAX.: 240 mW DC
SWITCHING VOLTAGE MAX.: 24 V DC
SWITCHING CURRENT MAX.: 10 mA DC
SPACING 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
Push-push: ≥ 5 x 105 operations
CONTACT RESISTANCE: Initial ≤ 50 mΩ
After 5 x 106 operations: ≤ 100 mΩ
INSULATION RESISTANCE: ≥ 1010 Ω
CAPACITANCE at f= 10 kHz: ≤ 0.8pF
BOUNCE TIME: ≤ 2.5 ms
Operating speed 400 mm/s (15.75/s)
Process
Environmental
SOLDERABILITY: Sealed contacts
Max. soldering time and temperature: 5 s at 260˚C
OPERATING TEMPERATURE: -25˚C to 85˚C.
Mechanical
How To Order
Switch with Button
A
Series
SER
SET
SE2T
SERF
SETF
Narrow button
Wide button
Double
Narrow flat
Wide flat
LED
NONE No LED
L
1 LED
2L 2 LED’s
Button Color*
BK Black
GY Gray
1st LED Color
NONE No LED
RD Red
YE Yellow
GN Green
2nd LED Color
NONE No LED
RD Red
YE Yellow
GN Green
U
Function
EE Latching
OA Non-latching
Contact Material
AU Gold
K
Button Only
Cap Style
SR Narrow
ST Wide
SRF Narrow flat
STF Wide flat
Button Color*
BK Black
GY Gray
* Additional button colors
available by request
Dimensions shown in: mm (inch)
Dimensions subject to change
www.ittcannon.com
D
Key Switches
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.
DIGITAST
Microminiature SPDT, Key Switches
DESIGNATION
Narrow button
(0.2) 5,08 5,08 (0.2)
10,16
(0.4)
14,74
(0.6)
SERL
Total travel
3 (0.118)
Switching travel 1.5 (0.0591)
0,4
ø 1 [0.0157]
(0.0394)
0,7
(0.0276)
SER2L
1st LED
12,3
(0.484)
SER
4,5
(0.177)
12,3
(0.484)
0 0
221
14,3
(0.563)
8
1 (0.315)
(0.0394)
17,5
(0.680)
7,62
(0.3) 2,54
(0.1)
SER
2nd LED
17,1
(0.673)
D
14,3
(0.563)
0 0
Wide button
221
SET
SETL
SET2L
1st LED
17,3
(0.681)
Key Switches
SET
Total travel
3 (0.118)
Switching travel 1.5 (0.0591)
2nd LED
17,1
(0.673)
Double
0 0
221
0 0
221
SE2T, SE2TL, SE2T2L
35
(1.38)
17,78
(0.7)
SE2T
14,3
(0.563)
17,1
(0.673)
Third Angle
Projection
Dimensions shown in: mm (inch)
Dimensions subject to change
www.ittcannon.com
DIGITAST
Microminiature SPDT, Key Switches
DESIGNATION
SERF
Narrow flat
12,3
(.484)
4,5
(.177)
8,0
(.315)
2
14,3
(.563)
12,3
(.484)
1
0
2
0
Schadow /S
Made in W. Germany
7,62
(0,3)
5,08
(.20)
5,08
(.20)
1,0
(.0394)
10,16
(.40)
15,24
(.60)
0,4
(.0157)
0,7
(.0276)
ø1,0
(.0394)
17,3
(.681)
1
2
2
0
0
Schadow /S
Wide flat
Made in W. Germany
SETF
17,1
(.673)
17,1
(.673)
17,5
(.680)
17,1
(.673)
LED
L
No LED
2L
1 LEDs
2 LEDs
D
NORTH AMERICA
5,08
[0.2]
2,54
[0.1]
[0.1]
15,24
[0.6]
2,54
[0.1]
7,62
[0.3]
5,08
5,08
[0.2]
[0.2]
10,16
[0.4]
10,16
[0.4]
15,24
[0.6]
15,24
[0.6]
2,54
[0.1]
ø 1.0±0.1 (0.0394±0.00349)
EUROPE
0
7,62
[0.3]
1
0
2,54
[0.1]
+
2
[0.2]
+
5,08
[0.2]
2,54
2
0
7,62
[0.3]
+
5,08
1
0
1
2
0
[0.3]
1
2
7,62
0
0
2,54
[0.1]
+
+
5,08
5,08
[0.2]
[0.2]
2,54
[0.1]
10,16
[0.4]
15,24
[0.6]
Soldering Side - Bottom View
Third Angle
Projection
Dimensions shown in: mm (inch)
Dimensions subject to change
www.ittcannon.com
Key Switches
0
NONE
DIGITAST
Microminiature SPDT, Key Switches
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
NONE
RD
GN
YE
Models without LED
Red
Green
Yellow
CONTACT MATERIAL
OPTION
CODE
MATERIAL
AU
Gold
FUNCTION
Key Switches
D
OPTION
CODE
COLOR
OA
Momentary
EE
SCHEMATIC
0
2
0
1
0
2
0
1
Push-Push
Dimensions shown in: mm (inch)
Dimensions subject to change
www.ittcannon.com