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C&K COMPONENTS KSC421J70SHLFS Sealed Tactile Switch

The KSC421J70SHLFS is a sealed tactile switch designed for SMT applications, featuring a silicone actuator with an extended cage for enhanced durability. It offers IP67 sealing, 4 mm high actuator, and a maximum operating force of 1.8 N, with a life cycle of 300,000 operations. Suitable for automotive, medical, and industrial electronics, this switch provides reliable momentary contact, lead-free compatibility in silver plating, and robust construction for demanding environments. Its compact size and IP67 sealing make it ideal for space-constrained, high-performance electronic devices.

Authorized Distributors
Source:Newark
Part No:KSC421J70SHLFS
Stock:460
Inv Date:06-15-2026
Price: Unit price: $0.422
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Source:DigiKey
Part No:KSC421J 70SH LFS
Stock:21877
Inv Date:06-15-2026
Price: Unit price: $0.38131
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Part No:KSC421J 70 SH LFS
Stock:15359
Inv Date:06-16-2026
Price: Unit price: $0.65
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Part No:KSC421J 70 SH LFS
Stock:7
Inv Date:06-15-2026
Price: Unit price: $0.19
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Part No:KSC421J70SHLFS
Stock:34059
Inv Date:06-15-2026
Price: Unit price: $0.2783
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Part No:KSC421J70SHLFS
Stock:34059
Inv Date:06-15-2026
Price: Unit price: $0.2783
Buy/RFQ:
Part No:KSC421J70SHLFS
Stock:15000
Inv Date:06-15-2026
Price: Unit price: $0.285
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Source:Arrow EU
Part No:KSC421J 70SH LFS
Stock:39000
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:
Part No:KSC421J 70SH LFS
Stock:6000
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS KSC421J70SHLFS Sealed Tactile Switch Specifications:

  • Function: momentary action
  • Maximum Power: 1VA (silver), 0.2 VA (gold)
  • Contact Arrangement: SPST, N.O.
  • Maximum Voltage: 32 VDC
  • Minimum Voltage: 20 mV
  • Maximum Current: 50 mA (silver), 10 mA (gold)
  • Minimum Current: 1 mA (silver), 0.1 mA (gold)
  • Dielectric Strength: > 250 Vrms (50Hz, 1 min.)
  • Contact Resistance: < 100 mΩ
  • Insulation Resistance: > 10 MΩ (100 V)
  • Bounce Time: < 1 ms
  • Operating Temperature: -40°C to 85°C
  • Storage Temperature: -55°C to 85°C
  • Sealing: IP67
  • Actuator height: 4 mm
  • Travel: 0.85+0.35/-0.25 mm
  • Actuator material: Silicone
  • Terminals: J bend, Silver plated
  • Dimensions: External diameter 330 ± 2 mm

Buy the Buy CK Switches KSC421J70SHLFS Part Number Online

Order the CK Switches KSC421J70SHLFS online for reliable, sealed SMT tactile switching with IP67 protection. Designed for automotive, medical, and industrial electronics, this switch features a silicone actuator, a 4 mm height, and a maximum force of 1.8 N. It offers 300,000 operational cycles with lead-free silver plating, ensuring durability and high performance. Perfect for space-constrained designs, easy to integrate, and suitable for demanding environments, this switch provides excellent reliability and long-term performance to meet your technical needs.

Get CK Switches KSC421J70SHLFS today—built for precision and long-lasting durability in demanding environments.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KSC421J70SHLFS?

You can click on the BUY or RFQ button to purchase KSC421J70SHLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSC421J70SHLFS?

You can download the KSC421J70SHLFS datasheet or visit the C&K COMPONENTS website for support.

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