Tactile Switches

Image Part Number Description / PDF Quantity Rfq
KSC441V2SPDLFS

KSC441V2SPDLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

12194

PTS840 ESD GM SMTR LFS

PTS840 ESD GM SMTR LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

KSC443G70SHLFG

KSC443G70SHLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

10828

PTS 647 SK38 SMTR2 LFS

PTS 647 SK38 SMTR2 LFS

C&K

TACT 4.5 X 4.5, 3.8 MM H, 2.5N,

39839

KSR232G LFS

KSR232G LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

2211

KMR211GLFS

KMR211GLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

13935

PTS645SM70-2 LFS

PTS645SM70-2 LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

2331

KSC441J ST2 LFS

KSC441J ST2 LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

783

KSS331GLFS

KSS331GLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 50V

48686

KMR641NG ULC LFS

KMR641NG ULC LFS

C&K

SWITCH TACTILE SPST-NO 50MA 32V

21

PTS841 GK SMTR LFS

PTS841 GK SMTR LFS

C&K

TACT 3.6 X 3.5, 1.25 MM H, 250GF

2271

EDM450AUSC0 LFG

EDM450AUSC0 LFG

C&K

SWITCH TACT SPST-NO 0.05A 100V

3326

KMR631NG ULC LFS

KMR631NG ULC LFS

C&K

SWITCH TACTILE SPST-NO 50MA 32V

0

ITS50FR1ST

ITS50FR1ST

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

146

PTS820 J25K SMTR LFS

PTS820 J25K SMTR LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

48879

ITS50FR3SR

ITS50FR3SR

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

0

K5V1BU43T

K5V1BU43T

C&K

SWITCH TACTILE SPDT 0.1A 32V

1135

KSC323JLFG

KSC323JLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

809

PTS125SJK73-2 LFS

PTS125SJK73-2 LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

3087

KSA1M311 LFTR

KSA1M311 LFTR

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

9783

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

RFQ BOM Call Skype Email
Top