20x4 Character LCD Display Module Yellow/Green STN 3.3V Logic Backlight -20°C-70°C Viewing Direction 6 o'clock Compliance REACH RoHS Compliant

Industrial 20×4 Character LCD Module for HMI & Control Systems

Saef Technology's rugged display delivers crisp Yellow/Green text in harsh environments, engineered for German and American industrial automation with 3.3V compatibility.

Key Advantages for Engineers:

HD44780-Compatible Design

• Plug-and-play replacement for legacy systems | 8-bit parallel interface | SPLC780D controller

​​Industrial-Grade Reliability

• -20°C cold start capability (tested @ -20°C for 120hrs)
• ESD protection: ±8kV air / ±4kV contact discharge
• Vibration resistant (10-55Hz, 1.5mm amplitude)

Optimized Power Efficiency

• Single 3.3V supply for logic and backlight
• Low consumption: 0.8mA max (logic) + 40mA (LED)
• VO pin for contrast adjustment

Technical Specifications:

Character Size: 4.76×2.96 mm

View Area: 77×25.2 mm

Dimensions: 98×60×13.2 mm

Duty/Bias: 1/16 Duty, 1/5 Bias

Applications:

Factory Automation (Industrie 4.0)

CNC Machine Controls | Medical Devices

Laboratory Equipment | HVAC Systems

Retail POS Terminals | Embedded Controllers

Compliance & Warranty:

RoHS/REACH compliant | ISO 9001/14001 certified

1-year warranty | MIL-STD-105E inspection standard

Mechanical Dimensions

Specifications

Mechanical Specifications

Absolute Maximum Ratings

DC Electrical Characteristics

Product Images

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 the field of small and medium size displays, and its continuous innovation has enable it to obtain a number of invention patents in the display field. With more than 14 years of experience, providing competitive products and services through stable product quality and professional pre-sales and after-sales service, SAEF technology has won the recognition of many international big brand companies and established long-term and stable cooperation with them.

Saef Technology is an ISO9001 and environmental ISO 14001 certified manufacturer. We provide 1 to 10 years warranty for all the company’s products. We are not only a display manufacturer but also a solution partner for our customers.

As a leading manufacturer in the display module market, Saef Technology will continue to focus on the research and development of new technologies such as TFT, OLED display, embedded systems integration solutions, and we will continue to provide customers display products with high cost performance.