KST Series Long Travel Tact Switch for SMT Features/Benefits Typical Applications • Rubber actuator • Front panel • Silver contact material • Car dashboards • J or G terminals • Telephone set • Compatible with pick and place • Instrumentation machines • IP40 sealed B • RoHS compliant and compatible Specification Electrical FUNCTION: Momentary SWITCHING POWER MAX.: 1.0 VA 0.2 VA CONTACT ARRANGEMENT: 1 make contact = SPST N.O. MAXIMUM POWER: 1.0 VA 0.2 VA TERMINALS: J BEND OR GULLWING TYPE FOR SMT MAXIMUM VOLTAGE: 32 VDC 32 VDC MINIMUM VOLTAGE: 20 MV 20 MV MAXIMUM CURRENT: 50 MA 10 MA Mechanical MINIMUM CURRENT: 1 MA 1 MA DIELECTRIC STRENGTH: ≥ 250 Vrms MAXIMUM APPLIED FORCE: 4 KG (4078GF)* CONTACT RESISTANCE: < 100mΩ * VALID ONE TIME. MAXIMUM ALLOWED TRAVEL TO AVOID INSULATION RESISTANCE: Initial measurement: ≥ 1GΩ OVERLOAD ISSUES After damp heat: ≥ 10MΩ IS 1.75MM BOUNCE TIME: < 5 ms Operating Environmental Operating life Type force Fa N Travel to make OPERATING TEMPERATURE: -40°C to +85°C (Silver) (operations) (grams)±30% -40°C to +125°C (Gold) KST221G / J 1,6-3,2 100,000 1,3+0,3/-0.2 STORAGE TEMPERATURE: -40°C to +85°C (Silver) KST241G / J 2,45-4,55 100,000 1,3+0,3/-0.2 -40°C to +125°C (Gold) Packaging Process Switches are delivered on continuous tape and reels of 1,000 Compatible with the lead free reflow soldering pieces, 330 (12.992) external diameter. Other dimensions process. according to IEC 60286-3. This data sheet does not provide enough information for applications which require a certain level of quality or safety such as automotive, medical systems, safety equip- NOTE: Specifications listed above are for switches with standard options. ment. For information on specific and custom switches, consult Customer Service Center. Please contact your sales representative to get contractual specification package. 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. 2 K S T Actuator 2 Soft, 5 mm LFS ROHS compliant and compatible. Silver plated. Actuation Force LFG ROHS compliant and compatible. Gold plated. 2 2 N (200 grams) Termination 4 3.5 N (350 grams) J J bend G Gullwing Contact Material 1 Silver 3 Gold Dimensions are shown: mm Specifications and dimensions subject to change 14 nov 17 www.ckswitches.com B–66 Tactile Switches Tactile Switches KST Series Long Travel Tact Switch for SMT G GULLWING J J BEND 2,8 2,8 +0,2 6,8 -0,1 12 mini 8,6 mini 2,8 2,8 5,8 maxi 3 maxi +0,3 6,2 0 +0,3 6,2 0 +0,2 6,8 -0,1 12 mini 8,6 mini 5,8 maxi 3 maxi TAPE & REEL +0,3 6,2 0 FOR J AND G TERMINATION +0,3 6,2 0 Direction of feed Dimensions are shown: mm Specifications and dimensions subject to change 14 nov 17 www.ckswitches.com B–67 +0,3 +0,2 6,2 0,1 0 0 2,6±0,15 4±0,1 ( 1,73 ) +0,05 0,7 -0,02 5 +0,3 +0,2 6,2 0 0,1 0 2,6±0,15 4±0,1 1 4 ( 1,73 ) +0,05 0,7 -0,02 5 +0,2 0,1 0 2,6±0,15 +0,3 6,2 0 4±0,1 1 4 +0,2 0,1 0 2,6±0,15 +0,05 ( 1,73 ) 0,7 -0,02 +0,3 6,2 0 5 4±0,1 4 1 +0,05 ( 1,73 ) 0,7 -0,02 5 4 1