Tactile Switches

Image Part Number Description / PDF Quantity Rfq
1301.9502

1301.9502

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

708

1301.9315.24

1301.9315.24

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

16204

1301.9301

1301.9301

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

1794

1241.1055.8000

1241.1055.8000

Schurter

MTP 1/2" FORM 2 WS IP40

90

1301.9304

1301.9304

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

1218

1301.9302

1301.9302

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

8087

1301.9315

1301.9315

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

2855

1241.1602

1241.1602

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

267

1241.1032.6

1241.1032.6

Schurter

SWITCH TACTILE SPST-NO 0.05A 24V

100

1301.9316

1301.9316

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

2162

1241.1606.11

1241.1606.11

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

100500

1241.1072

1241.1072

Schurter

SWITCH TACT SPST-NO 0.125A 48V

657

1241.1601.11

1241.1601.11

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

1270400

1241.1625.7

1241.1625.7

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

84

1301.9318

1301.9318

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

7609

1241.1618.23

1241.1618.23

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

3632

1301.9309

1301.9309

Schurter

SWITCH TACTILE SPST-NO 0.05A 12V

781

1241.1613.11

1241.1613.11

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

473

1241.1032.1

1241.1032.1

Schurter

SWITCH TACTILE SPST-NO 0.05A 24V

97

1241.1625.4

1241.1625.4

Schurter

SWITCH TACTILE SPST-NO 0.05A 42V

94

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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