Shenzhen Saef Technology Ltd.
| Payment Terms | T/T, PayPal |
| Supply Ability | 3000K pcs per month |
| Delivery Time | 1-5 weeks |
| Packaging Details | Standard Exportation Package |
| Screen | 2.8 inch Round TFT |
| Resolution | 480x480 Pixels |
| Touchscreen Type | Capacitive (G+F Structure) |
| Display Technology | IPS TFT LCD |
| Driver IC | ST7701S |
| Touch Controller | CST836U |
| Interface | 3SPI + 18-bit RGB |
| Viewing Angle | 85° All Directions |
| Surface Luminance | 300 cd/m² |
| Operating Temp. | -20°C to +70°C |
| Storage Temp. | -30°C to +80°C |
| Surface Hardness | ≥6H Glass |
| Compliance | REACH & RoHS Compliant |
| Backlight Lifespan | 40,000 Hours |
| Brand Name | SAEF |
| Model Number | SFTO280XC-7333A-CT |
| Certification | ISO9001 / ISO14000 |
| Place of Origin | ShenZhen / China |
View Detail Information
Explore similar products
240x240 Dot Round TFT LCD Display With GC9A01 Touch 4 Wire 1 lane SPI Interface
2.1 Inch Circular LCD Display TFT 480x480 With SPI RGB Interface
1.22 inch Round Circular LCD Display Screen TFT 240x204 Dots IPS Full Viewing
800x800 IPS Circular LCD Display , Round TFT LCD 3.4" MIPI Interface With CTP
Product Specification
| Payment Terms | T/T, PayPal | Supply Ability | 3000K pcs per month |
| Delivery Time | 1-5 weeks | Packaging Details | Standard Exportation Package |
| Screen | 2.8 inch Round TFT | Resolution | 480x480 Pixels |
| Touchscreen Type | Capacitive (G+F Structure) | Display Technology | IPS TFT LCD |
| Driver IC | ST7701S | Touch Controller | CST836U |
| Interface | 3SPI + 18-bit RGB | Viewing Angle | 85° All Directions |
| Surface Luminance | 300 cd/m² | Operating Temp. | -20°C to +70°C |
| Storage Temp. | -30°C to +80°C | Surface Hardness | ≥6H Glass |
| Compliance | REACH & RoHS Compliant | Backlight Lifespan | 40,000 Hours |
| Brand Name | SAEF | Model Number | SFTO280XC-7333A-CT |
| Certification | ISO9001 / ISO14000 | Place of Origin | ShenZhen / China |
| High Light | 480x480 Round TFT LCD ，Round TFT LCD Display Module ，ST7701S TFT LCD Display Module | ||
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
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
40000000-50000000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in t... Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in t...
Get in touch with us
Leave a Message, we will call you back quickly!