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C&K COMPONENTS KT11S2SA2M34LFS Miniature Illuminated SMT Tact Switch

The KT11S2SA2M34LFS is a miniature illuminated SMT tact switch designed for application versatility, offering high durability with up to 500,000 cycles. It features a 3.4 mm height, 0.2 mm travel, and comes with options for various LED colors, terminal types, and actuator forces. Its robust design supports high-reliability uses in IoT devices, remote controls, and portable electronics. The switch is RoHS compliant with a maximum voltage of 12 VDC and current of 50 mA, suitable for compact, high-performance electronic systems.

Authorized Distributors
Source:Newark
Part No:KT11S2SA2M34 LFS
Stock:2809
Inv Date:06-15-2026
Price: Unit price: $1.69
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Source:DigiKey
Part No:KT11S2SA2M34LFS
Stock:1309
Inv Date:06-15-2026
Price: Unit price: $2.9
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Part No:KT11S2SA2M34LFS
Stock:1982
Inv Date:06-16-2026
Price: Unit price: $5.1
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Part No:KT11S2SA2M34LFS
Stock:5756
Inv Date:06-15-2026
Price: Unit price: $2.3
Buy/RFQ:
Part No:KT11S2SA2M34LFS
Stock:5756
Inv Date:06-15-2026
Price: Unit price: $2.3
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Part No:KT11S2SA2M34LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $2.59
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C&K COMPONENTS KT11S2SA2M34LFS Miniature Illuminated SMT Tact Switch Specifications:

  • Function: Momentary action
  • Contact Arrangement: SPST, N.O.
  • Terminals: SMT with positioning pegs; optional for no pegs
  • Travel: 0.2 mm +/- 0.1 mm
  • Operating Force: 160 gf (1.6 N), 250 gf (2.5 N), 340 gf (3.4 N)
  • Life Expectancy: 500,000 operations
  • Maximum Voltage: 12 VDC
  • Maximum Current: 50 mA
  • Dielectric Strength: > 250 Vrms
  • Contact Resistance: < 100 mΩ
  • Insulation Resistance: > 100 MΩ
  • Bounce Time: < 10 ms
  • Operating Temperature: -40°C to 85°C
  • Storage Temperature: -55°C to 85°C
  • Sealing Level: IP60 / IP67
  • Dimensions: Height 3.4 mm, travel 0.2 mm, external diameter 330 mm + 2 mm
  • Soldering: Compatible with lead-free reflow process in accordance with IEC 61760-1

Buy the CK Series Miniature Illuminated SMT Tact Switch 3.4 mm: KT11S2SA2M34LFS

Order the CK Series Miniature Illuminated SMT Tact Switch KT11S2SA2M34LFS now to benefit from its compact size, multiple LED color options, and high cycle life. Perfect for IoT devices, remote controls, and portable electronics, this switch offers excellent tactile feedback, IP67 sealing, and RoHS compliance. With a 3.4 mm height and travel of 0.2 mm, it ensures reliable operation even in demanding environments. Enhance your designs with this high-performance, versatile switch, available for quick online purchase with flexible packaging options.

Buy CK Series KT11S2SA2M34LFS now and experience high durability, compact design, and reliable performance for your electronic projects.

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