SE3003-DC90A thermal printhead is a high-speed, high-quality, and high-durability product developed by ROHM. The product uses a step-free structure with high-performance partial glaze and highly conductive overcoat layer, which can accommodate all types of barcode labeling printers from Direct to Thermal Transfer, normal to high speed (over 300mm/s).
The SE3003-DC90A is a high‑speed thermal printhead designed for barcode, label, ticket, and other printers. It features ROHM's STEP FREE structure for corrosion resistance and durability, and can be used with a variety of printing technologies, including direct thermal and thermal transfer.
The document lists detailed electrical characteristics, pin assignments, external dimensions, and application guidelines. It also includes legal notices and export control information for the product.
| Effective printing width | 81.3 mm |
|---|---|
| Dot pitch | 0.0847 mm |
| Total dot number | 960 dots |
| Average resistance (Rave) | 850 Ω |
| Applied voltage (Vu) | 24 V |
| Applied power per dot (Po) | 0.61 W/dot |
| Print cycle (SLT) | 0.42 ms |
| Maximum clock frequency | 10 MHz |
| Maximum roller diameter | 20 mm |
| Operating temperature | 5 to 45 °C |
The dot pitch is 0.0847 mm.
The maximum clock frequency is 10 MHz.
The printhead operates at an applied voltage of 24 V.