Tactile Switches

Image Part Number Description / PDF Quantity Rfq
RS014R05B3BKSMA8.8RT

RS014R05B3BKSMA8.8RT

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS022R05D1

RS022R05D1

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

PTS845VM20PSMTR4 LFS

PTS845VM20PSMTR4 LFS

C&K

SWITCH TACT SIDE 160GF

3857

RS032G05A3SMEMRT

RS032G05A3SMEMRT

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

PTS635SK43SMTRLFS

PTS635SK43SMTRLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05AHPA

RS014R05AHPA

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC XA 96 J LFS

KSC XA 96 J LFS

C&K

TACT 6.2 X 6.2, 4.9 MM H, 9.6N,

977

KMT213GHFLFG

KMT213GHFLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KMR442NG ULC LFS

KMR442NG ULC LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSC461G 70SH LFS PF

KSC461G 70SH LFS PF

C&K

TACT 6.2 X 6.2, 5.1 MM H, 6.25N,

4473

KMR223NGULCLFG

KMR223NGULCLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

RS014R05BH

RS014R05BH

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05C1SMA8.8RT

RS014R05C1SMA8.8RT

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

PTS645SJM732LFS

PTS645SJM732LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC XA 55 J LFS

KSC XA 55 J LFS

C&K

TACT 6.2 X 6.2, 4.9 MM H, 5.5N,

18049

KSC461GST2LFS

KSC461GST2LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

ILS TA180 60

ILS TA180 60

C&K

TOP ACTUATED ILLUMINATED TACT,18

991

KSFI0M71270SHLFT

KSFI0M71270SHLFT

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KMR432NGULCLFS

KMR432NGULCLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSF0A211 LFTR

KSF0A211 LFTR

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

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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