


ST-1109S-3.8
- Manufacturer
- MFR.Part #
- ST-1109S-3.8
- JLCPCB Part #
- C589271
- Package
- SMD-4P,4.5x4.5mm
- Description
- -20℃~+85℃ 100,000 cycles 12V 3.8mm 4.5mm 4.5mm 50mA Black Gull Wing Round Button SPST Surface Mount,Vertical Without Bracket SMD-4P,4.5x4.5mm Tactile Switches ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Switches/Tactile Switches | |
| Manufacturer | RI SHENG | |
| Package | SMD-4P,4.5x4.5mm | |
| Operating Temperature | -20℃~+85℃ | |
| Contact Current | 50mA | |
| Length | 4.5mm | |
| Termination Style | Gull Wing | |
| Voltage Rating | 12V | |
| Life | 100,000 cycles | |
| Actuator Style | Round Button | |
| with Bracket | Without Bracket | |
| Switch Height | 3.8mm | |
| Circuit | SPST | |
| Mounting Type | Surface Mount,Vertical | |
| Actuator/Cap Color | Black | |
| Width | 4.5mm |

* Images are for reference only
ST-1109S-3.8
Extended- Manufacturer
- MFR.Part #
- ST-1109S-3.8
- JLCPCB Part #
- C589271
- Package
- SMD-4P,4.5x4.5mm
- Description
- -20℃~+85℃ 100,000 cycles 12V 3.8mm 4.5mm 4.5mm 50mA Black Gull Wing Round Button SPST Surface Mount,Vertical Without Bracket SMD-4P,4.5x4.5mm Tactile Switches ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
ST-1109S-3.8
Extended- Manufacturer
- MFR.Part #
- ST-1109S-3.8
- JLCPCB Part #
- C589271
- Package
- SMD-4P,4.5x4.5mm
- Description
- -20℃~+85℃ 100,000 cycles 12V 3.8mm 4.5mm 4.5mm 50mA Black Gull Wing Round Button SPST Surface Mount,Vertical Without Bracket SMD-4P,4.5x4.5mm Tactile Switches ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
ST-1109S-3.8 Specifications
ST-1109S-3.8 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Switches/Tactile Switches | |
| Manufacturer | RI SHENG | |
| Package | SMD-4P,4.5x4.5mm | |
| Operating Temperature | -20℃~+85℃ | |
| Contact Current | 50mA | |
| Length | 4.5mm | |
| Termination Style | Gull Wing | |
| Voltage Rating | 12V | |
| Life | 100,000 cycles | |
| Actuator Style | Round Button | |
| with Bracket | Without Bracket | |
| Switch Height | 3.8mm | |
| Circuit | SPST | |
| Mounting Type | Surface Mount,Vertical | |
| Actuator/Cap Color | Black | |
| Width | 4.5mm |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the ST-1109S-3.8. Sign up to receive and start your assembly today →
- 1
Step 1 - Pre-order the parts you need from JLCPCB.
- 2
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
- 3
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

ST-1109S-3.8 Documents
ST-1109S-3.8 datasheets or manufacturer documentation.
Datasheet: ST-1109S-3.8 Datasheet (PDF)
ST-1109S-3.8 Schematic Symbol & PCB Footprint
The ST-1109S-3.8 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.