KT11B0CM
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
PC MOUNTING
Features/Benefits
Typical Applications
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
SPST
Sealed Tactile Switches
KT Series
Tactile
C
C-3
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 Asia Sales Tel: +852-2798-6393 Fax: +852-2751-9926
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: –40C to 90C.
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.
6.22 x 6.38mm Models
SWITCH FUNCTION
POS. 1 POS. 2
PART NUMBER
ACTUATOR
HEIGHT
KT11B0CM
FLUSH OFF MOM.
KT11B1CM
.025 (0,64) OFF MOM.
KT11B2CM
.088 (2,24) OFF MOM.
KT11P2CM
.093 (2,36) OFF MOM.
KT11P3CM
.044 (1,12) OFF MOM.
KT11P4CM
.156 (3,96) OFF MOM.
Conn. Terms OPEN 1,2 - 3,4
Schematic
SPST
Rev. A 8/99
