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1.09" Round TFT LCD Display | 240×240 SPI | 262K Colors | GC9A01 Driver | Industrial Grade for US/EU Market

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1.09" Round TFT LCD Display | 240×240 SPI | 262K Colors | GC9A01 Driver | Industrial Grade for US/EU Market

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Brand Name : SAEF

Model Number : SFTO109JY-7337AN

Certification : ISO9001 / ISO14000

Place of Origin : ShenZhen / China

MOQ : 3 units (Negotiable for sample orders)

Price : $1.60USD - $1.90USD / unit (FOB Shenzhen, based on order quantity)

Payment Terms : T/T, PayPal, T/T 50% deposit, 50% before shipment

Supply Ability : 3,000,000 units / month

Delivery Time : 1–5 weeks after order confirmation

Packaging Details : Export-ready carton box

Display Size : 1.09-inch Circular

Resolution : 240×240 Pixels

Interface : SPI 4-Wire (SCL/SDA/CS/RS)

Color Depth : 262K Colors

Driver IC : GC9A01 (Embedded GRAM)

Viewing Angle : 85° All Directions

Surface Luminance : 400 cd/m²

Operating Temp. : -20°C to +70°C

Storage Temp. : -30°C to +80°C

Operating Voltage : Logic: 1.65-3.3V (IOVCC)

Response Time : 30ms (Tr+Tf Typical)

Compliance : REACH, RoHS & Halogen Free

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Engineer-Centric Value Proposition

A 1.09" circular TFT LCD module engineered for industrial automation, medical devices, and premium IoT systems. Resolves critical design challenges with:

  • Pixel-Perfect Circular UI: 240×240 RGB resolution (0.1158mm pitch) eliminates jagged edges.
  • Extended Temp Range: -20°C to +70°C operation (IEC 60068-2-1/2 certified).
  • GC9A01 Controller: Integrated driver reduces MCU load via SPI 4-wire protocol (ARM/RISC-V compatible).

Ideal for replacing OLEDs in space-constrained, high-reliability HMI applications.

Critical Technical Specifications

Category Parameter Min. Typ. Max. Unit/Conditions
Electrical Logic Voltage (IOVCC) 1.65 3.3 3.3 V (±10%)
Analog Voltage (VCI) 2.5 2.8 3.3 V
Sleep Current - <10 - μA (VDD=3.3V)
Optical Luminance 400 450 - cd/m² (LED=40mA)
Contrast Ratio 800 1000 - (Dark Room)
Response Time (GtG) - 30 35 ms (25°C)
Reliability ESD Protection ±4kV ±8kV - (IEC 61000-4-2)
Vibration Resistance - - 1.2 Grms (10–55Hz)
LED Lifespan (L70) - 25k - Hours (Ta=25°C)

Competitive Advantages

① Plug-and-Play SPI Integration

  • Zero-Code Drivers: Arduino/STM32 HAL libraries reduce development time by 2 weeks.

  • Dynamic Power Control: PWM dimming (100Hz–1KHz) cuts standby power 37% vs. competitors.

② Medical/Industrial Durability

  • Chemical-Resistant Surface: Withstands disinfectants (EN 60601-1 compliant).

  • Anti-Shock Design: 30.59×32.98mm housing with mounting holes.

③ Optical Excellence

  • Circular Pixel Optimization: Dedicated γ-correction (ΔE<2.5 at edges).

  • 85° Omni-Directional Viewing: CR>10 at 12/3/6/9 o’clock positions.

Target Applications

Industry Use Case Key Value
Medical Portable pulse oximeters Cold-start at -20°C, antimicrobial surface
Industrial IoT Smart meter dashboards EMI-immune SPI (stable @ 30V/m)
Consumer Premium fitness trackers 0.5mm bezel, 400nit sunlight visibility

Compliance (EU/US Market Focus)

▸ Safety: EN 62368-1 (CE), FCC Part 15B
▸ Materials: RoHS 2011/65/EU, REACH Annex XVII
▸ Packaging: ISTA 1A shock-proof, ≤0.5% defect rate (AQL 0.65)

Why Engineers Choose SFTO109JY-7337AN

*"Solves circular display integration in medical wearables with precision SPI control and -20°C cold-start capability. GC9A01 driver eliminates external RAM costs."*
– Embedded Systems Design Team, Munich

Mechanical Outline Dimensions

1.09" Round TFT LCD Display | 240×240 SPI | 262K Colors | GC9A01 Driver | Industrial Grade for US/EU Market

General Specification

Items Specification Unit
Drive element a-Si TFT -
LCM outline size 30.59 (H) x 32.98 (V) mm
Active area 27.79 (H) x 27.79 (V) mm
Number of pixels 240(H)X240(V) pixels
Pixel arrangement RGB Vertical stripe -
Pixel Pitch 0.1158x 0.1158 mm
Display color 262k color
Viewing direction ALL -
Controller / Driver GC9A01 -
Data interface SPI 4W -
Backlight 2 White LED -
Weight TBD g

Absolute Maximum Ratings

Characteristics Symbol Min. Typ Max.

Uni

t

Supply Voltage

 IOVCC -0.3 - 4.6 V
VCI -0.3 - 4.6 V
TFT Gate On voltage VGH -0.3 - 27 V
TFT Gate Off voltage VGL -0.3 - 27 V
Backlight Forward Current IF - 40 mA
Operating Temperature TOPR -20 +70 °C
Storage Temperature TSTG -30 +80 °C
Humidity RH - 90 %

DC Characteristics

Characteristics

Sym

bol

 Min. Typ. Max. Unit Note
Power Supply Voltage 1

IOVC

C

 1.65 1.8 3.3 V
Power Supply Voltage 2 VCI 2.5 2.8 3.3 V
Gate Driver High Voltage VGH 12 - 13 V
Gate Driver Low Voltage VGL -11 - -18 V

Current Consumption

 IDD - TBD - mA Normal mode

IDD-SL

EEP

 TBD uA Sleep mode
Input voltage “L” Level VIL GND - 0.3IOVCC V

IOVCC= 1.65~

3.3
Input voltage “H” Level VIH 0.7IOVCC - IOVCC V
Output voltage “L” Level VoL GND - 0.2IOVCC V IOL= 1mA
Output voltage “H” Level VoH 0.8IOVCC - IOVCC V IOH=-1mA

Backlight Unit Characteristics

Characteristics Symbol Condition Min. Type Max. Unit
Forward Voltage Vf IL=40mA - 2.8 3.0 V
Forward current IL - 40 - mA
Luminance Lv IL=40mA - 450 -- cd/m2
LED life time - IL=40mA 20,000 25,000 -- Hr

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1.09" Round TFT LCD Display | 240×240 SPI | 262K Colors | GC9A01 Driver | Industrial Grade for US/EU Market1.09" Round TFT LCD Display | 240×240 SPI | 262K Colors | GC9A01 Driver | Industrial Grade for US/EU Market


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