ITT K12A25N High performance key switch Datasheet

K12
High Performance Key Switches
Features/Benefits
• Excellent tactile feel
• Wide choice of LED colors,
•
•
•
•
•
travel and actuator forces
High reliability / long life
Sealed version available
Designed for low-level switching
Double stroke version available
Detector version available
Typical Applications
• Automotive
• Off-road transportation
• Industrial electronics
• Computers & network equipment
Construction:
Electrical
FUNCTION: momentary
DISTANCE BETWEEN BUTTON CENTERS:
min. 11 (0.433) K12C = 13 (0.512)
TERMINALS: PC pins, tinned
MOUNTING: Locating pins; K12D, K12G and K12P additionally
with snap-in housing
SWITCHING POWER MIN./MAX.: 0.02mW/3 W
SWITCHING VOLTAGE MIN./MAX.: 2 V DC / 30 V DC
SWITCHING CURRENT MIN./MAX.: 10 µA /100 mA
DIELECTRIC STRENGTH (50 Hz, 1 min): ≥ 500 V
OPERATING LIFE with max. switching power: ≥ 106 operations
K12G & K12GO; operating life of second switch 5 x 104 operations
CONTACT RESISTANCE: Initial ≤ 50 mΩ
INSULATION RESISTANCE: ≥ 1010 Ω
BOUNCE TIME: ≤ 1 ms
Operating speed 400 mm/s (15.75/s)
Mechanical
TOTAL TRAVEL: 1 mm, 1,5 mm, 2 mm
SWITCHING TRAVEL: 0,6 mm*
OPERATING FORCE: 1.5 N OD without snap-point as detector
switch, 2.5 N, 3.5 N, 5 N, 3.5/7 N, 6/12 N
PROTECTION CLASS: K12C IP 67 (dust tight, protected against
the effects of immersion in water; other versions IP 50)
Environmental
OPERATING TEMPERATURE: -40˚C to 85˚C.
STORAGE TEMPERATURE: -40˚C to 95˚C.
* Additional switching travel (with pre-travel) available by request.
Process
NOTE: Product to be offered compliant and compatible on Q1 2006.
SOLDERABILITY:
Max. soldering time and temperature: 5 s at 260˚C
How To Order
Key Switches
E
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.
K
Series
K12A
K12AL
K12P
K12PL
K12C
K12GO
K12GOL
1
2
No snap-in pegs
No snap-in pegs with central LED
With snap-in pegs
With central LED
Sealed contact with rubber cap (IP 67)
Two-step switch without side LED holder
K12GO with central LED
Cap Color
NONE version with LED
BK Black cap – No LED
L
LED Color
NONE No LED
GN
Green
YE
Yellow
OG
Orange
RD
Red
WH
White
BU
Blue
Travel*
1
1 mm (0.039)
1.5 1.5 mm (0.059)
2
2 mm (0.079)
*
K12C – 1mm MAX
K12 with LED – 1.5 mm MAX
** K12G & K12GO version only
Standard LED Code
NONE No LED
L306
Green
L327
Yellow
L315
Orange
L352
Red
L302
White
L328
Blue
Operating Force
1.5N OD 1.5 N without
snap-point
2.5N
2.5 N
3.5N
3.5 N
5N
5N
3.5/7N 3.5/7 N**
6/12N 6/12 N**
Contact
Arrangement
NONE SPST NO (STD)
1R
SPST NC
(Special request)
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–10
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K12
High Performance Key Switches
SERIES
K12A
total travel 1 or 1.5mm
PCB LAYOUT, MOUNTING SIDE
7,5
2,5
[.098]
2,5
0,2
[.007]
.4334]
11
2.9
[.1141]
9
[.354]
ø1
[.0394]
[.098]
[.295]
2,6
[.103]
ø 9,8
12
]
72
[.4
[.386]
10,9
2
K1
[.429]
K12AL
[.217]
E
2,5
[.098]
K (LED)
2,5
[.098]
[.181]
ø 5,6
2,5
[.098]
0,2
ø 4,6
[.007]
3,6
1,5
[.0591]
2,6
[.103]
Key Switches
PCB
7,5
[.295]
[.433]
11
PCB LAYOUT, MOUNTING SIDE
[.22]
1,1+0,05
2x
2x
center hole
2x
LED
2x
2x
switch
Without
with LED
ø0,5 (.020)
Sn
0,9 ±0,05
0,7x0,2 (.028x.081)
Sn
Terminal Section
Surface
2
K1
5,5
ø3
[.118]
Hole
ø
Discription
K
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–11
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K12
High Performance Key Switches
SERIES
K12P
2,9
(.1141)
2,5
(.098)
2,5
(.098)
3,75
(.148)
9,6
(.378)
1,2
(.047)
12,5
(.492)
1,5
(.059)
11,0
(.433)
1,5
(.059)
ø1,0
(.0394)
3,5
(.138)
7,5
(.295)
2,6
(.103)
0,2
(.007)
PCB LAYOUT, MOUNTING SIDE
9,0
(.354)
total travel 1, 1,5 or 2
(.0394, .0591 or .0787)
center of actuation area (notice LED)
9,8
(.386)
1
(.4 2,0
72
)
10,9 SQ.
(.429)
Hole
Ø
Without LED
Description
1,7 (.069)
2x
snap-in
1,6 (.062)
1x
coding hole
(L,M,N)
1,1 (.043)
2x
center hole
2x
LED
switch
0,9 (.035)
Terminal Section
Surface
Sn
m0.5 (.020)
0.7 x 0.2 (.028 x .081)
Sn
K12
K12PL
PCB LAYOUT, MOUNTING SIDE
0,2
(.007)
11,0
(.433)
2,5
(.098)
7,5
(.295)
2,6
(.103)
K LED
PCB
2,5
(.098)
3,75
(.148)
pin ø 1.1 (.0433)
for coding of LED color
1,5
(.0591)
3,6
(.141)
2,5
(.098)
9,6
(.378)
5,6
(.22)
2,6
(.098)
coding pin L
center of actuation area (notice LED)
ø4,6
(.181)
Hole
K
K12
Key Switches
total travel 1 or 1,5
(.0394 or .0591)
K12
E
5,5
(.217)
ø3,0
(.118)
Ø
Without LED
Description
Terminal Section
Surface
1,7 (.069)
2x
snap-in
1,6 (.062)
1x
coding hole
(L,M,N)
1,1 (.043)
2x
center hole
0,9 (.035)
2x
LED
m0.5 (.020)
Sn
2x
switch
0.7 x 0.2 (.028 x .081)
Sn
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–12
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K12
High Performance Key Switches
SERIES
K12C SEALED CONTACT WITH RUBBER CAP (IP 67)
total travel 1,0
(.0394)
PCB LAYOUT, MOUNTING SIDE
2,9
(.114)
ø12,8
(.504)
2,5
(.098)
2,5
(.098)
5,0
(.197)
2,3
(.090)
0,2
(.0078)
2,9
(.114)
1,2
(.047)
1,8
(.0709)
5,5
(.217)
12,0
(.472)
7,5
(.295)
K1
2
12,0
(.472)
10,9
(.429)
actuation area
10,9
(.429)
Hole
SCHEMATIC
A
R
Ø
Without LED
With LED
Description
1,1 (.043)
2x
2x
center hole
0,9 (.035)
2x
Terminal Section
Surface
2x
LED
m0.5 (.0204)
Sn
2x
switch
0.7 x 0.2(.0275 x .0787)
Sn
E
Key Switches
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–13
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K12
High Performance Key Switches
SERIES
K12GO
K12GOL
K12GOL
ø 3 (0.118)
2,9
(0.114)
3,75
2/1
code pin ø1,1
1/2
5 (0.197)
(0.043)
K
LED
12
47
(0.
2,6 (0.103) 2/2
2/1
SQ. 10,9 (0.428)
(0.228)
5,6
K12GOL
3,75 (0.148)
3,6 (0.142)
7,5 (0.295)
2)
1/2
1/1
ø 4,6 (0.187)
ø 9,8 (0.386)
K12G0
9,6 (0.278)
6,27 (0.247)
1,5
(0.0591)
11 (0.433)
1/1
2,54 (0.100)
3,5 (0.138)
9
(0.354)
1,5 (0.059)
PCB
(0.148)
2/2
2,6 (0.103)
0,2 (0.0078)
5 (0.197)
0,2 (0.0078)
(0.0591)
PCB LAYOUT, MOUNTING SIDE
7,5 (0.295)
total travel 1,5mm
<= 5,5 (0.217)
K12G0
(0.098) (0.098)
2,5
2,5
9,6 (0.278)
(0.053)
1,3
6
(0.244)
K12
2/2
K
(LED)
K12
E
1/1
actuation area
Key Switches
1/2
2/1
SCHEMATIC
K12G
1/1
2/1
Hole
K12GL
1/2
2/2
1/1
1/2
2/1
2/2
K
Ø
Without LED
1,7
(.069)
1,6
(.062)
2x
2x
snap-in
1x
1x
code
2x
2x
2x
2x
2x
2x
2 LED
LED
switch 2
switch 1
0,9
(.035)
With LED
Description
Terminal Section
m0.5 (.020)
0.7 x 0.3 (.028 x .012)
0.7 x 0.2 (.028 x .081)
Surface
Sn
Sn
Sn
Sn
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–14
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K12
High Performance Key Switches
CAP COLOR
OPTION
CODE
COLOR
NONE
BK
Version with LED
Black
LED COLOR
OPTION
CODE
NONE
GN
YE
OG
RD
WH
BU
STANDARD
LED CODE
COLOR
NONE
L306
L327
L315
L352
L302
L328
Models without LED
Green
Yellow
Orange
Red
White
Blue
COLOR
Models without LED
Green
Yellow
Orange
Red
White
Blue
TRAVEL
1 1 mm
1.5 1.5 mm
2 2 mm
E
OPERATING FORCE
1.5N OD
2.5N
3.5N
5N
3.5/7N
6/12N
Key Switches
OPTION
CODE
OPERATING FORCE
1.5 N,150g without snap-point
2.5 N, 250g
3.5 N, 350g
5 N, 500g
3.5/7 N, 350/700g
6/12 N, 600-1200g
Dimensions are shown: mm (inch)
Specifications and dimensions subject to change
E–15
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