Tactile Switches

Image Part Number Description / PDF Quantity Rfq
KSC223JLFG

KSC223JLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

6142

KT11P3JM34LFS

KT11P3JM34LFS

C&K

SWITCH TACTILE SPST-NO 1VA 32V

7514

PTS636 SM50 SMTR LFS

PTS636 SM50 SMTR LFS

C&K

TACT 6.0 X 3.5, 5.0 MM H, 180GF,

665

KSA0M431 LFTR

KSA0M431 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

2631

K5V1YG43T

K5V1YG43T

C&K

SWITCH TACTILE SPDT 0.1A 32V

3795

PTS830GG140G SMTR LFS

PTS830GG140G SMTR LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

5819

KT11P3SA3M35LFG

KT11P3SA3M35LFG

C&K

SWITCH TACTILE SPST-NO 1VA 32V

5652

K5V2CL43T

K5V2CL43T

C&K

SWITCH TACTILE SPDT 0.1A 32V

0

PTS530 GN055 SMTR LFS

PTS530 GN055 SMTR LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

20098

NANOT 240 AS

NANOT 240 AS

C&K

SWITCH TACT SMT

7729

PTS636 SK43 SMTR LFS

PTS636 SK43 SMTR LFS

C&K

TACT 6.0 X 3.5, 4.3 MM H, 250GF,

3743

KMR231NG LFS

KMR231NG LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

7924

PTS820 J20MP SMTR LFS

PTS820 J20MP SMTR LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

TLS A 100 T3J LFS

TLS A 100 T3J LFS

C&K

SWITCH TACT 10N J LEADS SMT SOFT

16759

EDGSC1LFG

EDGSC1LFG

C&K

SWITCH TACT SPST-NO 0.05A 100V

2486

ILS TB250 10

ILS TB250 10

C&K

TOP ACTUATED ILLUMINATED TACT,25

971

KSC623JLFG

KSC623JLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

13785

KSC323GLFG

KSC323GLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KSR224G LFG

KSR224G LFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KSS343GLFG

KSS343GLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 50V

2928

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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