KT Series
Sealed Tactile Switches
Features/Benefits
S
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S
S
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Internal actuator seal and insert molded terminals—
permit soldering and cleaning
Tin-lead plated terminals—improves solderability
Tape and reel packaging available
Right angle surface mount models available
Telecommunications
Computer Products
Instrumentation
Typical Applications
How To Order
Complete part numbers for KT Series Sealed Tactile Switches are shown on pages C-3 thru C-5.
Specifications
CONTACT RATING: 1.0 VA max. @ 50 V AC or DC max.
MECHANICAL & ELECTRICAL LIFE: 100,000 make-and-break
cycles at full load.
CONTACT RESISTANCE: Below 50 milliohms typ. initial @
2-4 V DC, 100 mA.
INSULATION RESISTANCE: 10
9
ohms min.
DIELECTRIC STRENGTH: 250 V RMS min. @ sea level.
OPERATING TEMPERATURE: –40_C to 90_C.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
EIA RS-186E method 9 (1 hour steam aging).
DEGREE OF PROTECTION: IP57; Protection against harmful dust
deposit, full-scale voltage protection, temporary immersion.
PACKAGING: Switches supplied in rigid dispensing tubes
or anti-static tape and reels per EIA 481-2, see pages
L-36 and L-37 for drawings and reel information. Tape and
cover strip are conductive for use near statically sensitive
components, consult Customer Service Center.
Materials
HOUSING: Stainless steel.
BASE: LCP or PPA (UL 94V-0).
ACTUATOR: B0, B1, B2 actuators: Silicone rubber.
P2, P3, P4 actuators: Nylon (UL 94V-0).
MOVABLE CONTACT: Stainless steel, silver plated.
STATIONARY CONTACTS: Copper alloy, silver plate over nickel.
TERMINALS: Copper alloy, with tin-lead alloy over nickel plate.
All terminals insert molded.
SEAL: Silicone rubber (UL 94V-0).
NOTE:
Specifications and materials listed above are general specifications for switches
with standard options. For information on specific and custom switches, consult Customer
Service Center.
CAUTION:
PC mounting layouts and pads as shown are designed to be compatible with the
latest equipment and reflow techniques. Care should be taken in the design and location of
PC lands to suit individual needs. Orientation relative to reflow direction may significantly
impact solder joint integrity.
C
Tactile
6.22 x 6.38mm Models
SWITCH FUNCTION
POS. 1
PART NUMBER
ACTUATOR
HEIGHT
FLUSH
.025 (0,64)
.088 (2,24)
.093 (2,36)
.044 (1,12)
.156 (3,96)
OFF
OFF
OFF
OFF
OFF
OFF
OPEN
MOM.
MOM.
MOM.
MOM.
MOM.
MOM.
1,2 - 3,4
PC MOUNTING
POS. 2
KT11B0CM
KT11B0CM
KT11B1CM
KT11B2CM
KT11P2CM
KT11P3CM
KT11P4CM
Conn. Terms
Schematic
SPST
MOM. = Momentary
SPST
With B1 Silicone
Rubber Actuator
With B2 Silicone
Rubber Actuator
With P2 Hard
Plastic Actuator
With P3 Hard
Plastic Actuator
With P4 Hard
Plastic Actuator
C&K Components, Inc. Web Site:
www.ckcorp.com
Americas Sales
Tel: 800-635-5936 Fax: 617-926-6846
Europe Sales
Tel: +44-1536-521147 Fax: +44-1536-411602
S
Asia Sales
Tel: +852-2798-6393 Fax: +852-2751-9926
Rev. A 8/99
C-3
KT Series
Sealed Tactile Switches
6.22 x 6.38mm Surface Mount Models
SWITCH FUNCTION
POS. 1
PART NUMBER
ACTUATOR
HEIGHT
FLUSH
.025 (0,64)
.088 (2,24)
.093 (2,36)
.044 (1,12)
.156 (3,96)
OFF
OFF
OFF
OFF
OFF
OFF
OPEN
MOM.
MOM.
MOM.
MOM.
MOM.
MOM.
1, 2–3, 4
POS. 2
KT11B0JM
SPST
PC MOUNTING
KT11B0JM
KT11B1JM
KT11B2JM
KT11P2JM
KT11P3JM
KT11P4JM
Conn. Terms
Schematic
SPST
MOM. = Momentary
C
Tactile
With B1 Silicone
Rubber Actuator
With B2 Silicone
Rubber Actuator
With P2 Hard
Plastic Actuator
With P3 Hard
Plastic Actuator
With P4 Hard
Plastic Actuator
6.22 x 6.38mm Surface Mount Models
SWITCH FUNCTION
POS. 1
PART NUMBER
ACTUATOR
HEIGHT
FLUSH
.025 (0,64)
.088 (2,24)
.093 (2,36)
.044 (1,12)
.156 (3,96)
OFF
OFF
OFF
OFF
OFF
OFF
OPEN
MOM.
MOM.
MOM.
MOM.
MOM.
MOM.
1, 2 – 3, 4
POS. 2
KT11B0SM
SPST
PC MOUNTING
KT11B0SM
KT11B1SM
KT11B2SM
KT11P2SM
KT11P3SM
KT11P4SM
Conn. Terms
Schematic
SPST
MOM. = Momentary
With B1 Silicone
Rubber Actuator
With B2 Silicone
Rubber Actuator
With P2 Hard
Plastic Actuator
With P3 Hard
Plastic Actuator
With P4 Hard
Plastic Actuator
C-4
C&K Components, Inc. Web Site:
www.ckcorp.com
Americas Sales
Tel: 800-635-5936 Fax: 617-926-6846
Europe Sales
Tel: +44-1536-521147 Fax: +44-1536-411602
S
Asia Sales
Tel: +852-2798-6393 Fax: +852-2751-9926
Rev. A 8/99
KT Series
Sealed Tactile Switches
6.60 x 6.60mm Right Angle Models
SWITCH FUNCTION
POS. 1
PART NUMBER
ACTUATOR
HEIGHT
FLUSH
.025 (0,64)
.088 (2,24)
OFF
OFF
OFF
OPEN
MOM.
MOM.
MOM.
2-4
POS. 2
KT11B0SAM
KT11B1SAM
KT11B2SAM
Conn. Terms
Schematic
SPST
MOM. = Momentary
KT11B0SAM
SPST
PC MOUNTING
Switch face
C
Tactile
With B1 Silicone
Rubber Actuator
With B2 Silicone
Rubber Actuator
6.30 x 6.38mm Right Angle Models
SWITCH FUNCTION
POS. 1
PART NUMBER
ACTUATOR
HEIGHT
.093 (2,36)
.059 (1,50)
.156 (3,96)
OFF
OFF
OFF
OPEN
MOM.
MOM.
MOM.
1, 2 – 3, 4
POS. 2
KT11P2SA1M
KT11P3SA1M
KT11P4SA1M
Conn. Terms
Schematic
SPST
MOM. = Momentary
KT11P2SA1M
SPST
PC MOUNTING
With P3 Hard
Plastic Actuator
With P4 Hard
Plastic Actuator
C&K Components, Inc. Web Site:
www.ckcorp.com
Americas Sales
Tel: 800-635-5936 Fax: 617-926-6846
Europe Sales
Tel: +44-1536-521147 Fax: +44-1536-411602
S
Asia Sales
Tel: +852-2798-6393 Fax: +852-2751-9926
Rev. A 8/99
C-5
