Tactile Switches

Image Part Number Description / PDF Quantity Rfq
EVQ-5PN04K

EVQ-5PN04K

Panasonic

SWITCH TACTILE SPST-NO 0.05A 12V

4846

EVQ-PC405K

EVQ-PC405K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

2006

EVQ-11U04M

EVQ-11U04M

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

29199

EVQ-P2602M

EVQ-P2602M

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

4

EVQ-P0D07K

EVQ-P0D07K

Panasonic

SWITCH TACTILE SPST-NO 0.05A 30V

2594

EVQ-Q2W01W

EVQ-Q2W01W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

17245

EVQ-QXK01W

EVQ-QXK01W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

18979

EVP-ASBC1A

EVP-ASBC1A

Panasonic

SWITCH TACTILE SPST-NO 0.05A 12V

1749

EVP-BT7G4A000

EVP-BT7G4A000

Panasonic

SWITCH TACT 0.02A 15V 3.5N W/GND

0

EVQ-QWN01W

EVQ-QWN01W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

7096

EVQ-3P202K

EVQ-3P202K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

1309

EVP-AWBD2A

EVP-AWBD2A

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

0

EVQ-P0E07K

EVQ-P0E07K

Panasonic

SWITCH TACTILE SPST-NO 0.05A 30V

2728

EVP-AWED4A

EVP-AWED4A

Panasonic

3.0MM X 2.0MM / 3.3N / 0.15MM ST

0

EVQ-9P6B40

EVQ-9P6B40

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

9015

EVQ-P3401P

EVQ-P3401P

Panasonic

SWITCH TACTILE SPST-NO 0.05A 12V

11523

EVQ-11G04M

EVQ-11G04M

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

3628

EVP-0AFB65

EVP-0AFB65

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

7850

EVQ-PAG07K

EVQ-PAG07K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

1311

EVQ-P6LB55

EVQ-P6LB55

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

872

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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