Tactile Switches

Image Part Number Description / PDF Quantity Rfq
1241.1040.6035

1241.1040.6035

Schurter

MTP SWITCH 1/2"

0

1241.1055.7050

1241.1055.7050

Schurter

MTP 1/2" FORM 2 SW IP40

0

1241.1040.6031

1241.1040.6031

Schurter

MTP SWITCH 1/2"

0

1241.1721.920

1241.1721.920

Schurter

SWITCH TACTILE SPST-NO 0.2A 50V

0

1241.1057.4047

1241.1057.4047

Schurter

MTP SWITCH 1/2"

0

1241.1005.7032

1241.1005.7032

Schurter

MTP SWITCH 1/2"

0

1241.1040.7050

1241.1040.7050

Schurter

MTP SWITCH 1/2"

0

1241.1057.7049

1241.1057.7049

Schurter

MTP SWITCH 1/2"

0

1241.1040.6033

1241.1040.6033

Schurter

MTP SWITCH 1/2"

0

1241.1057.7008

1241.1057.7008

Schurter

MTP SWITCH 1/2"

0

1241.1007.7006

1241.1007.7006

Schurter

MTP SWITCH 1/2"

0

1241.1040.6027

1241.1040.6027

Schurter

MTP SWITCH 1/2"

0

1241.1055.8047

1241.1055.8047

Schurter

MTP SWITCH 1/2"

0

1241.1722.910

1241.1722.910

Schurter

SWITCH TACTILE DPST-NO 0.2A 50V

0

1241.1055.6049

1241.1055.6049

Schurter

MTP SWITCH 1/2"

0

1241.1008.5050

1241.1008.5050

Schurter

MTP SWITCH 1/2"

0

1241.1040.6030

1241.1040.6030

Schurter

MTP SWITCH 1/2"

0

1241.1005.7034

1241.1005.7034

Schurter

MTP SWITCH 1/2"

0

1241.1057.5048

1241.1057.5048

Schurter

MTP SWITCH 1/2"

0

1241.1057.7047

1241.1057.7047

Schurter

MTP SWITCH 1/2"

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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