C&K Switches PTS647 4.5mm Tactile Switches
C&K Switches PTS647 4.5mm Tactile Switches are compact SMT terminal switches with a 4.5mm x 4.5mm footprint. These switches are available in 3.8mm, 5mm, and 7mm actuator heights with three actuation force options. C&K PTS647 switches feature IP40 sealing and withstand 100K life cycles. Applications include industrial control panels, computer products, home automation, Internet of Things (IoT), TV and internet boxes, home and garden equipment, professional control panels, and more.
Features
- Compact size
- SMT terminals
- 3.8mm, 5mm, and 7mm actuator heights
- 100gf, 180gf, and 250gf operating force options
- Tape-and-reel packaging
Applications
- Consumer
- Industrial control panels
- Computer products
- Home automation
- Metering
- TV and internet boxes
- Home and garden equipment
- Professional control panels
- IoT
Specifications
- 4.5mm x 4.5mm form factor
- 0.25mm ±0.15mm key travel
- 330mm ±2mm external diameter
- 100K life cycles
- 50mA at 12VDC contact rating
- 100MΩ insulation resistance (minimum)
- 250VAC dielectric strength (minimum)
- 100mΩ initial contact resistance (maximum)
- -20°C to +70°C operating temperature range
Mechanical Drawing
Videos
View Results ( 18 ) Page
| Part Number | Operating Force | Height | Stem Height |
|---|---|---|---|
| PTS647SN70SMTR2N LFS | 1 N | 7 mm | |
| PTS647SK70SMTR2N LFS | 2.5 N | 7 mm | |
| PTS647SK38SMTR2 LFS | 250 gf | 3.8 mm | 0.9 mm |
| PTS647SK50SMTR2 LFS | 250 gf | 5 mm | 2.1 mm |
| PTS647SK70SMTR2 LFS | 250 gf | 7 mm | 4.1 mm |
| PTS647SM38SMTR2 LFS | 180 gf | 3.8 mm | 0.9 mm |
| PTS647SN50SMTR2 LFS | 100 gf | 5 mm | 2.1 mm |
| PTS647SK38SMTR2N LFS | 2.5 N | 3.8 mm | |
| PTS647SK50SMTR2N LFS | 2.5 N | 5 mm | |
| PTS647SM38SMTR2N LFS | 1.8 N | 3.8 mm |
Published: 2019-01-23
| Updated: 2025-11-04