Tactile Switches

Image Part Number Description / PDF Quantity Rfq
RS014R05B1GY

RS014R05B1GY

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05B3PA

RS014R05B3PA

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05D3

RS014R05D3

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC442J 70SH LFS PF

KSC442J 70SH LFS PF

C&K

TACT 6.2 X 6.2, 5.1 MM H, 4.0N,

0

PTS645TJK73LFS

PTS645TJK73LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS187R05C2DSMTRT

RS187R05C2DSMTRT

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

PTS645TK70-2 LFS

PTS645TK70-2 LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

9965

KSC461JST1LFS

KSC461JST1LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

RS014R05C0

RS014R05C0

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC442G 70SH LFS PF

KSC442G 70SH LFS PF

C&K

TACT 6.2 X 6.2, 5.1 MM H, 4.0N,

2528

RS014R05B01

RS014R05B01

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KMR232G LFS

KMR232G LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSC523JR0HS

KSC523JR0HS

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

RS022R05B3

RS022R05B3

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSL0M531 LFTR

KSL0M531 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KSF0M331 LFTR

KSF0M331 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KSC821JOLLFS

KSC821JOLLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

ILS TA250 50

ILS TA250 50

C&K

TOP ACTUATED ILLUMINATED TACT,25

863

PTS645SM73JSMTR92 LFS

PTS645SM73JSMTR92 LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

6873

RS044R05A01LV

RS044R05A01LV

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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