Tactile Switches

Image Part Number Description / PDF Quantity Rfq
RS014R05BHPALV

RS014R05BHPALV

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KST223JLFG

KST223JLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KSL0M532LFT

KSL0M532LFT

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

PTS645SJK73LFS

PTS645SJK73LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC XA 35 J LFS

KSC XA 35 J LFS

C&K

TACT 6.2 X 6.2, 4.9 MM H, 3.5N,

602

RS014R05A1SMA10SURT

RS014R05A1SMA10SURT

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

PTS645VJK61LFS

PTS645VJK61LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS022R05C3

RS022R05C3

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC143GLFG

KSC143GLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

ILS TC250 50

ILS TC250 50

C&K

TOP ACTUATED ILLUMINATED TACT,25

876

RS187R05A1DSMTX8

RS187R05A1DSMTX8

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05BHPA

RS014R05BHPA

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

K5ATBU43GP

K5ATBU43GP

C&K

SWITCH TACTILE SPST-NO 0.1A 32V

0

KST223GLFG

KST223GLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

RS044R05D1

RS044R05D1

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KT11P3SA3M34LFS

KT11P3SA3M34LFS

C&K

SWITCH TACTILE SPST-NO 1VA 32V

0

KSC XA 40 J LFS

KSC XA 40 J LFS

C&K

TACT 6.2 X 6.2, 4.9 MM H, 4.0N,

16113

KSFI0M41250SHLFT

KSFI0M41250SHLFT

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSC821JLFS

KSC821JLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

RS022R05B3PA

RS022R05B3PA

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

Tactile Switches

1. Overview

Tactile switches are momentary contact switches designed to provide tactile feedback when actuated. They are fundamental components in human-machine interfaces, enabling precise input registration through mechanical deformation. These switches play a critical role in modern electronics by ensuring reliable user interaction in devices ranging from consumer gadgets to industrial equipment.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
PCB Mount Tactile SwitchesLow profile, solderable terminals, short travel distanceRemote controls, mobile phones
Panel Mount Tactile SwitchesFront-panel installation, threaded bushingIndustrial control panels
Surface Mount Technology (SMT)Miniaturized, automated assembly compatibleWearable devices
Heavy Duty Tactile SwitchesHigh current rating, reinforced contactsMedical equipment

3. Structure and Components

Typical tactile switch construction includes: - Actuator: Dome-shaped plunger with textured surface - Contact System: Gold-plated phosphor bronze contacts - Housing: High-temperature resistant thermoplastic (e.g., LCP) - Spring Mechanism: Stainless steel leaf spring for tactile feedback - Terminals: Solder pins or surface-mount pads

4. Key Technical Specifications

ParameterTypical RangeImportance
Rated Current0.01-0.5ADetermines circuit compatibility
Operating Voltage5-250VDCSafety and insulation requirements
Actuation Force0.5-5.0NUser experience optimization
Electrical Life50,000-500,000 cyclesProduct longevity assessment
Contact Resistance10-100m Signal integrity maintenance

5. Application Fields

Primary industries include: - Consumer Electronics: Keyboards, gaming controllers - Industrial Automation: PLC control panels - Medical Devices: Patient monitoring systems - Automotive: Dashboard controls, steering wheel buttons - Telecommunications: Network equipment interfaces

Case Study: Apple Magic Keyboard uses SMT tactile switches with 0.8mm travel distance and 50cN actuation force for optimal typing experience

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
OmronB3F SeriesIP67 rating, 500,000 cycles life
C&K ComponentsPTS645 SeriesLow profile (3.2mm), RoHS compliant
E-SwitchTL1105 SeriesSurface mount, 0.1A rating
Alps AlpineSKQH SeriesClick-type feedback, 1.5N force

7. Selection Guidelines

Key considerations: - Electrical requirements (current/voltage ratings) - Mechanical specifications (actuation force, travel distance) - Mounting method compatibility (through-hole vs SMT) - Environmental factors (temperature range, ingress protection) - Cost-volume optimization for mass production

8. Industry Trends

Emerging developments include: - Miniaturization for wearable devices (sub-2mm packages) - Enhanced reliability for automotive applications (-40 C to 125 C operation) - Integration with haptic feedback systems - Adoption of eco-friendly materials (halogen-free plastics) - Smart switch development with embedded sensors

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