ITT SERULBKRDRDEEBRN

DIGITAST
Microminiature SPDT, Key Switches
Features/Benefits
• High reliability/long life
• Designed for low level
•
•
•
•
Typical Applications
• Medical
• Instrumentation
• Industrial electronics
switching
Ready to implement on PCB
Latching function available
Several button options
RoHS compliant and compatible
• 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
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
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)
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
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
Key Switches
E
Series
SER Narrow button
SET Wide button
SERU Switch body
only (no button)
1st LED Color
NONE No LED
RD
Red
YE
Yellow
GN
Green
LED
NONE No LED
L
1 LED
2L 2 LED’s
Button Color**
None (SERU)
BK Black
GY Gray
Function
EE Latching
OA Non-latching
LED Spacing*
NONE Narrow LED Spacing
(TYP Europe)
7.62 Wide LED Spacing
(TYP No. America)
* LED spacing only applies when 1 LED requested
Button
U
Contact Material
AU Gold
2nd LED Color
NONE No LED
RD
Red
YE
Yellow
GN
Green
Body Color
NONE White (STD)
BRN Brown
K
Button Style
SR Narrow
ST Wide
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
DESIGNATION
SER
NARROW BUTTON
4,5
(0.0394)
(0.2)
5,08 5,08
10,16
(0.4)
14,74
(0.6)
SERL
Total travel
3 (0.118)
Switching travel 1.5 (0.0591)
0,4
[0.0157]
ø1
(0.0394)
SER
(0.177)
8
1 (0.315)
14,3
(0.563)
12,3
(0.484)
0 0
(0.1)
(0.2)
221
7,62
(0.3)
2,54
17,5
(0.680)
0,7
(0.0276)
SER2L
12,3
(0.484)
1st LED
2nd LED
17,1
(0.673)
221
14,3
(0.563)
WIDE BUTTON
0 0
SET
SET
SETL
Total travel
3 (0.118)
Switching travel 1.5 (0.0591)
SET2L
17,3
(0.681)
1st LED
2nd LED
E
17,1
(0.673)
Key Switches
17.3
NO BUTTON
[0.681]
15.24
12.3
[0.484]
1
2
2
0
7.62
[0.3]
0
[0.6]
5.08
[0.0197]
ø1
[0.0394]
[0.177]
4.5
2
[0.787]
7.9
0.5
[0.2]
[0.311]
SERU
0.4
[0.015]
0.7
[0.0276]
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–27
www.ittcannon.com
DIGITAST
Microminiature SPDT, Key Switches
LED
NONE
L
NO LED
2L
1 LEDs
2 LEDs
2,54
[0.2]
[0.1]
[0.1]
7,62
[0.3]
1
0
5,08
2,54
-
[0.3]
7,62
1
0
2
0
[0.1]
2,54
2
+
-
1
0
7,62
[0.3]
0
2
0
7.62 mm Spacing (TYP No. America)
+
5,08
5,08
2,54
[0.2]
[0.2]
10,16
[0.1]
15,24
[0.6]
[0.4]
+
5,08
5,08
2,54
[0.2]
[0.2]
[0.1]
10,16
[0.4]
15,24
15,24
[0.6]
[0.6]
2,54
ø 1.0±0.1 (0.0394±0.00349)
ø 1.1±0.05 (0.0433±0.00197)
1
0
-
7,62
[0.3]
2
0
+
[0.1]
NARROW SPACING (TYP EUROPE)
+
5,08
5,08
[0.2]
[0.2]
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
E
Key Switches
COLOR
NONE
RD
GN
YE
Models without LED
Red
Green
Yellow
CONTACT MATERIAL
OPTION
CODE
MATERIAL
AU
Gold
NOTE: For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs.
FUNCTION
OPTION
CODE
COLOR
OA
Momentary
EE
SCHEMATIC
0
2
0
1
Push-Push
0
2
0
1
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–28
www.ittcannon.com