Tactile Switches

Image Part Number Description / PDF Quantity Rfq
RS014R05B3SMA10RT

RS014R05B3SMA10RT

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05B1N

RS014R05B1N

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS022R05A0

RS022R05A0

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

NANOT 160 AS

NANOT 160 AS

C&K

SWITCH TACT SMT

7603

RS022R05C1

RS022R05C1

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05A0

RS014R05A0

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

PTS845VN20PSMTR4 LFS

PTS845VN20PSMTR4 LFS

C&K

SWITCH TACT SIDE 80GF

4000

PTS125VJK73LFS

PTS125VJK73LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC461GST1LFS

KSC461GST1LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSL1M331 LFTR

KSL1M331 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

RS014R05A1PA

RS014R05A1PA

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

RS014R05B01LV

RS014R05B01LV

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSA0V531 LFTR

KSA0V531 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KMR242NG LFS

KMR242NG LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSL0V511 LFTR

KSL0V511 LFTR

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSC463JST1LFG

KSC463JST1LFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

RS014R05F1

RS014R05F1

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KMR242G LFS

KMR242G LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KSA0M531 LFTR

KSA0M531 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KSA0A931 LFTR

KSA0A931 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 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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