Tactile Switches

Image Part Number Description / PDF Quantity Rfq
PTS636 SM43J SMTR LFS

PTS636 SM43J SMTR LFS

C&K

TACT 6.0 X 3.5, 4.3 MM H, 180GF,

3678

PTS 647 SM70 SMTR2 LFS

PTS 647 SM70 SMTR2 LFS

C&K

TACT 4.5 X 4.5, 7.0 MM H, 1.8N,

61131

KSC1001G LFS

KSC1001G LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

6771

KSI0M011 LFTR

KSI0M011 LFTR

C&K

SWITCH TACTILE SPST 110GF VERT

0

PTS645SH43SMTR92 LFS

PTS645SH43SMTR92 LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

88167

KSC421V270SHLFS

KSC421V270SHLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

0

KT11B1SM34LFS

KT11B1SM34LFS

C&K

SWITCH TACTILE SPST-NO 1VA 32V

3533

KSC701G LFS

KSC701G LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

5298

PTS636 SM25 SMTR LFS

PTS636 SM25 SMTR LFS

C&K

TACT 6.0 X 3.5, 2.5 MM H, 180GF,

0

KSA0V311 LFTR

KSA0V311 LFTR

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

12426

PTS636 SK25F SMTR LFS

PTS636 SK25F SMTR LFS

C&K

TACT 6.0 X 3.5, 2.5 MM H, 250GF,

13762

KSFI0M81270SHLFT

KSFI0M81270SHLFT

C&K

SWITCH TACTILE SPST-NO 0.05A 32V

312

KSS233GLFG

KSS233GLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 50V

1472

KSC461J 70SH LFS PF

KSC461J 70SH LFS PF

C&K

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

3723

PTS840 GMP SMTR LFS

PTS840 GMP SMTR LFS

C&K

SWITCH TACTILE SPST-NO 0.05A 12V

8086

KSJ0V431 80SH LFTR

KSJ0V431 80SH LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

1039

KSC423G70SHLFG

KSC423G70SHLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

2173

KSL0V431 LFTR

KSL0V431 LFTR

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

0

KMS221GLFS

KMS221GLFS

C&K

SWITCH TACTILE SPST-NO 0.05A 50V

0

KSR253GLFG

KSR253GLFG

C&K

SWITCH TACTILE SPST-NO 0.01A 32V

7443

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