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| Brand Name : | SAEF | 
| Model Number : | SFTO280XC-7333A-CT | 
| Certification : | ISO9001 / ISO14000 | 
| Price : | The lowest market price guaranteed | 
| Payment Terms : | T/T, PayPal | 
| Supply Ability : | 3000K pcs per month | 
| Delivery Time : | 1-5 weeks | 
Premium 2.8" Circular IPS TFT Display with Integrated Touch
Designed for industrial and commercial applications, Saef Technology’s SFTO280XC-7333A-CT combines a high-resolution 480x480 circular IPS panel with robust capacitive touch technology. Ideal for smart devices, medical equipment, and automotive interfaces where round displays excel.
Key Technical Features:
Certified & Reliable
Ideal For:
• Industrial HMIs • Wearable Tech • Automotive Gauges • Smart Home
Controls • Medical Devices
Warranty: 1-year functional guarantee with lifetime technical support. Includes burn-in prevention guidance for static images.
General Specifications
| Item | Specification | Unit | 
| LCD size | 2.76 | inch | 
| Display Mode | Normally Black | -- | 
| Resolution | 480(RGB)x480 | Pixel | 
| Pixel pitch | 0.1461*RGB*0.1461 | mm | 
| Pixel Arrangement | RGB Vertical Stripe | |
| Viewing direction | IPS | - | 
| Module outline dimension | 78(H)*78(V)*3.87(D) | mm | 
| LCD AA | 70.13x70.13 | mm | 
| TP VA | 70.53x70.53 | mm | 
| Colors | 262K | - | 
| Driver IC | ST7701S | - | 
| Driver IC RAM Size | - | - | 
| Interface | 3SPI+18RGB | -- | 
| Backlight | White LED | -- | 
| Touch IC | CST836U | -- | 
| Surface hardness | ≥6H | -- | 
| Touch structure | G+F | -- | 
| Cover lens | Glass | -- | 
| Color | Black | -- | 
| Operating Temperature | -20℃~ +70℃ | -- | 
| Storage Temperature | -30℃~ +80℃ | -- | 
Mechanical Outline Dimensions

Pin Assignment
| PIN | Symbol | Description | 
| 1 | LEDA | LED ANODE | 
| 2 | LEDK | LED CATHODE | 
| 3 | LEDK | LED CATHODE | 
| 4 | GND | Ground | 
| 5 | VCI | LCD analog power supply (3.3V) | 
| 6 | RESET | Reset Signal | 
| 7 | NC | Not connect | 
| 8 | NC | Not connect | 
| 9 | SDA | SPI Data signal | 
| 10 | SCK | SPI Clock signal | 
| 11 | CS | SPI Chip select signal | 
| 12 | PCLK | RGB dot clock signal | 
| 13 | DE | RGB data enable signal | 
| 14 | VSYNC | RGB frame synchronizing signal | 
| 15 | HSYNC | RGB line synchronizing signal | 
| 16-33 | DB0-DB17 | RGB data(B2-B7,G2-G7,R2-R7) | 
| 34 | GND | Ground | 
| 35 | TP_INT | Touch Interrupt | 
| 36 | TP_SDA | Touch IIC Data signal | 
| 37 | TP_SCL | Touch IIC Clock signal | 
| 38 | TP_RESET | Touch Reset Signal | 
| 39 | TP_VCI | Touch Power supply | 
| 40 | TP_GND | Touch Ground | 
Absolute Maximum Ratings
| Item | Symbol | Min. | Max. | Unit | 
Power Voltage  | VCI | -0.30 | +3.3 | V | 
| IOVCC | -0.30 | +2.5 | V | |
| TP_VCI | / | / | V | |
| TP_IOVCC | / | / | V | |
| Operating Temperature | Top | -20.0 | 70.0 | ℃ | 
| Storage Temperature | Tst | -30.0 | 80.0 | ℃ | 
Operating and Storage Humidity  | Hstg | 10% | 90% | %(RH) | 
Electrical Characteristics
| Item | Symbol | Min. | TYP. | Max. | Unit | |
| Digital supply Voltage | IOVCC | 1.65 | 1.8 | 1.95 | V | |
Analog supply Voltage  | VCI | 2.5 | 2.8 | 3.3 | V | |
| TP Power | TP_VCI | / | / | / | V | |
| TP Power | TP_IOVCC | / | / | / | V | |
| Input Signal Voltage | Low Level  | VIL | 0 | - | 0.3 x IOVCC  | V | 
High Level  | VIH | 0.7 x IOVCC  | - | IOVCC | V | |
Current of digital supply voltage  | IIOVCC | - | 20 | 35 | Ma | |
| Current of analog supply voltage | IVCI | - | 35 | 50 | Ma | |
Backlight Unit Driving Condition
| Item | Symbol | Min. | TYP. | Max. | Unit | 
| Forward Current | IF | - | 80 | - | Ma | 
| Forward Current Voltage | VF | 2.8 | 2.9 | - | V | 
Backlight Power Consumption  | WBL | 224 | 232 | - | mW | 
| Operating Life Time | -- | 30000 | 40000 | -- | hrs | 
Product Image


                                 
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