TS55A3-S Low-Profile SMD Tactile Switch
TS55A3-S is a compact momentary tactile switch designed for surface mounting on space-constrained printed circuit boards. Its 5.2 × 5.2 mm body, 1.6 mm low-profile height and centered round actuator provide a practical input solution for compact electronic equipment.
The four-terminal construction supports stable PCB mounting, while the normally open momentary contact is suitable for command, reset, mode-selection and other short-duration control functions.
Key Features
- Compact 5.2 × 5.2 mm package
- Low-profile 1.6 mm overall height
- 2.2 mm diameter round actuator
- Surface-mount PCB installation
- Four-terminal construction
- Momentary normally open switching action
- Compact metal-covered structure
Technical Specifications
| Model | TS55A3-S |
|---|---|
| Product Type | Low-profile SMD tactile switch |
| Contact Action | Momentary, normally open |
| Mounting Method | Surface mount (SMD) |
| Body Size | 5.2 × 5.2 mm |
| Overall Height | 1.6 mm |
| Actuator Diameter | 2.2 mm |
| Terminal Count | 4 |
Typical Applications
- Portable and handheld electronics
- Consumer electronic controls
- Remote controls and compact keypads
- Industrial control interfaces
- Reset, mode-selection and function buttons
Ordering Information
Please confirm the required operating force, electrical rating, service life, packaging method and order quantity before placing an order. Contact ERI for specification confirmation, samples and bulk quotation.
