Tactile switch SMT1
Surface Mount Tactile Switches
- Compatible with Lead-Free,Reflow Soldering
Heat-resistance resin for lead-free soldering. - Washable
- 180° Symmetric Terminal Pin Layout.
- Anti-Static Electricity
Ground terminal is provided to prevent damage to element
caused by static electricity. - Metal contact for sharp tactile feel.
◆Structure

Specifications
| Max. Rating | 1VA Max.(DC48V Max.50mA Max.) |
|---|---|
| Min. Rating | Silver plated : 0.5mA 20mVDC /Gold plated:10μA 20mVDC |
| Initial contact resistance | 100mΩ Max. {1.5mA 200μVAC at 1.96N{200gf}force} |
| Dielectric strength | 250VAC 1 minute |
| Insulation resistance | 100MΩ min.(100VDC) |
| Electrical life | 1,000,000 operations |
| Stroke | 0.5±0.3 mm |
| Operating force | 1.96±0.98 N |
| Operating temperature range | -25~+70℃ |
| Storage temperature range | -40~+70℃ |
Part number designation
| SMT | G | 1 - | 01 | E - | Z |
|---|---|---|---|---|---|
|
Series code |
Contact plating None:Silver plated |
Structure
|
Registration No.
|
Packaging Specifications None:Stick |
List of part numbers
| part number | Contact plating | CAD |
|---|---|---|
| SMT1-01-Z | Silver plated | |
| SMT1-01E-Z | Silver plated | |
| SMTG1-01-Z | Gold plated | |
| SMTG1-01E-Z | Gold plated |
Switching Function

Outline Dimensions

Pad Layouts

Terminal (E) to be connected to Ground. Terminal (E) is connected to the metal frame.
Soldering Specifications
- Manual Soldering
Device : Soldering iron
①380°C ±10°C; 3±0.5 seconds - Reflow Soldering
Device : Inline or batch system
Apply reflow soldering only once

Flux Cleaning
- Solvent: Fluorine or Alcohol type
Cleaning with other solvents or water is not possible. - Cleaning after soldering should be done after the terminal temperature falls to 90°C or below, or after leaving the switch for five minutes or longer at room temperature. Cleaning temperature: 43°C, max.
- Do not use ultrasonic cleaning.
Packaging Specifications
(Unit:mm)
| Stick specification | Emboss taping specification |
|---|---|
|
|
|
Minimum packaging quantity for reel packaging is 1,000pcs per reel.
Documents
Environmental files
- ●The above contents and descriptions are subject to change without notice.




