Slide switches are electromechanical devices that control electrical circuits through linear sliding motion. They serve as fundamental components in electronic systems for power control, signal routing, and mode selection. Their compact design and reliable performance make them essential in modern electronics, from consumer devices to industrial machinery.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Single-Pole Single-Throw (SPST) | Simple on/off control | Power switches in portable devices |
| Single-Pole Double-Throw (SPDT) | Three-terminal switch for circuit selection | Mode selection in measurement instruments |
| Double-Pole Double-Throw (DPDT) | Simultaneous control of two circuits | Motor direction control in robotics |
| Miniature Slide Switches | Sub-10mm housing for space-constrained designs | Smartphone SIM card trays |
| Heavy-Duty Slide Switches | High current/voltage ratings | Industrial machinery control panels |
Typical slide switches consist of: - Insulating housing (thermoplastic/phenolic resin) - Conductive contacts (phosphor bronze or beryllium copper) - Gold-plated terminals for corrosion resistance - Sliding actuator with detent mechanism - Sealing membranes for environmental protection (IP67 rated models)
| Parameter | Typical Range | Importance |
|---|---|---|
| Rated Current | 0.1A - 10A | Determines load capacity |
| Operating Voltage | 3V - 250V | Defines circuit compatibility |
| Contact Resistance | 10m - 100m | Affects power efficiency |
| Dielectric Strength | 500V - 2kV | Safety insulation measure |
| Mechanical Life | 5,000 - 50,000 cycles | Device longevity indicator |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| C&K Components | PTS645 Series | IP67 sealed, 10A rating |
| Eaton | EH063 Series | High-vibration resistance for automotive |
| Omron | SS-4 Series | PCB mount with 0.5mm contact gap |
| TE Connectivity | MS14 Series | Military-spec ruggedized switch |
Key considerations: 1. Electrical requirements (current/voltage) 2. Environmental conditions (temperature/humidity) 3. Mechanical constraints (PCB footprint, actuator type) 4. Certification needs (UL, RoHS, REACH) 5. Expected operational lifespan
Current trends include: - Miniaturization (<2mm package sizes for wearable devices) - Enhanced reliability (100,000+ cycle lifespan) - Integration with smart systems (IoT-enabled switches) - Environmental compliance (lead-free, halogen-free materials) - Custom actuator designs for haptic feedback optimization