Tactile Switches

Image Part Number Description / PDF Quantity Rfq
3.14101.9110000

3.14101.9110000

RAFI

TASTER RF15, ROT VOLLAUSL.

0

1.14100.6030000

1.14100.6030000

RAFI

RACON 8 TACTILE SWITCH SMT 4.8 N

0

1.14002.1030000

1.14002.1030000

RAFI

MICON 5 TACTILE SWITCHES SMT LOW

0

3.14001.0310000

3.14001.0310000

RAFI

SWITCH TACTILE SPST-NO 0.1A 42V

0

3.14002.6530000

3.14002.6530000

RAFI

RF 19 H TACTILE SWITCH AU 2 LED

0

3.14002.0250000

3.14002.0250000

RAFI

RF 19 TACTILE SWITCH AG 2 LED FU

0

3.14002.6130000

3.14002.6130000

RAFI

RF 19 H TACTILE SWITCH AU 2 LED

0

3.14001.0820000

3.14001.0820000

RAFI

RF 19 TACTILE SWITCH AU 2 LED SP

0

3.14100.5370000

3.14100.5370000

RAFI

RF 15 R TACTILE SWITCH AU LOW 1

0

1.14001.6020000

1.14001.6020000

RAFI

RACON 12 KEYSWITCH PIN 2.5N PC B

0

3.14100.5420000

3.14100.5420000

RAFI

RF 15 R TACTILE SWITCH AG LOW 1

0

1.16000.9910000

1.16000.9910000

RAFI

KURZHUBTASTER RF19 O/S UNBEL. AU

0

3.14100.5060000

3.14100.5060000

RAFI

SWITCH TACTILE SPST-NO 0.25A 50V

0

3.14001.0810000

3.14001.0810000

RAFI

RF 19 TACTILE SWITCH AU 2 LED SP

0

1.14100.8030000

1.14100.8030000

RAFI

RACON 8 TACTILE SWITCH SMT 6.0 N

0

1.16000.9900000

1.16000.9900000

RAFI

KURZHUBTASTER RF19 O/S UNBEL. AG

0

3.14002.0130000

3.14002.0130000

RAFI

SWITCH TACTILE SPST-NO 0.1A 42V

0

3.14200.9100000

3.14200.9100000

RAFI

RF 15 TACTILE SWITCH AG FULL YL

0

3.14200.0240000

3.14200.0240000

RAFI

RF 15 TACTILE SWITCH AG 2 LED FU

0

3.14002.9440000

3.14002.9440000

RAFI

RF 19 H TACTILE SWITCH AG 2 LED

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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