Shenzhen Saef Technology Ltd.
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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
Industrial-Grade Reliability
Optimized Power Efficiency
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
| Item | Standard Value |
| Display Type | 20characters× 4lines |
| LCD Type | STN ,Positive, Yellow/Green, Transmissive |
| Driver Condition | LCD Module : 1/16Duty , 1/5Bias |
| Viewing Direction | 6 O’clock |
| Backlight Type | SIDE WHIET |
| Interface | 8-bit MPU interface |
| Driver IC | SPLC780D |
Mechanical Specifications
| Item | Standard Value | Unit |
| Outline Dimension | 98(L) * 60(W) * Max 13.2(T) | mm |
| Viewing Area | 77(L) * 25.2( W) | mm |
| Dot size | 0.56(W) × 0.56(H) | mm |
| Dot pitch | 0.6(W) × 0.6 (H) | mm |
| Character size | 4.76(W) × 2.96(H) | mm |
Absolute Maximum Ratings
| Item | Symbol | Condition | Min. | Max. | Unit |
| System Power Supply Voltage | VDD | - | -0.3 | 3.5 | V |
| LCD Driver Supply Voltage | VLCD | - | VDD-12 | VDD-0.3 | V |
| Input Voltage | VIN | - | -0.3 | VDD + 0.3 | V |
| Operating Temperature | TOP | - | -20 | 70 | °C |
| Storage Temperature | TST | - | -30 | 80 | °C |
| Storage Humidity | HD | Ta < 40 °C | 20 | 90 | %RH |
DC Electrical Characteristics
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Logic Supply Voltage | VDD | - | - | 3.3 | - | V |
| Input High Voltage | VIH | - | 0.8VDD | - | VDD | V |
| Input Low Voltage | VIL | - | GND | - | 0.3VDD | V |
| Output High Voltage | VOH | - | 0.7VDD | - | VDD | V |
| Output Low Voltage | VOL | - | GND | - | 0.2VDD | V |
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