Tactile Switches

Image Part Number Description / PDF Quantity Rfq
EVP-ASDB1A

EVP-ASDB1A

Panasonic

6 X 6.1 X 5MM / 2.5N / 1.0MM TRA

1252

EVP-BT3G4A000

EVP-BT3G4A000

Panasonic

SWITCH TACT 0.02A 15V 1.0N W/GND

0

EVP-AAQ02W

EVP-AAQ02W

Panasonic

3.5 X 2.9 X 1.7MM / 3.5N / 0.15M

4871

EVQ-PLDA15

EVQ-PLDA15

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

0

EVP-AF5B70

EVP-AF5B70

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

4405

EVQ-PC605K

EVQ-PC605K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

2090

EVQ-PRBA09

EVQ-PRBA09

Panasonic

SWITCH TACTILE SPDT 0.02A 15V

4916

EVQ-Q2H02W

EVQ-Q2H02W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

2162

EVQ-PLKA08

EVQ-PLKA08

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

4402

EVQ-PBG07K

EVQ-PBG07K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

3493

EVQ-Q2F02W

EVQ-Q2F02W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

68006

EVQ-QWM02W

EVQ-QWM02W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

18

EVQ-11D05B

EVQ-11D05B

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

523

EVQ-PAC09K

EVQ-PAC09K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

0

EVQ-11L05R

EVQ-11L05R

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

22

EVQ-P9W02M

EVQ-P9W02M

Panasonic

4.7X3.5MM SMD LTSW

2827

EVQ-P2H02B

EVQ-P2H02B

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

12300

EVQ-Q2M02W

EVQ-Q2M02W

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

2636

EVQ-11A09K

EVQ-11A09K

Panasonic

SWITCH TACTILE SPST-NO 0.02A 15V

0

EVP-BT6A4A000

EVP-BT6A4A000

Panasonic

SWITCH TACT 0.02A 15V 2.6N SMD

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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