Rohm Printhead KA2002-DC90A 300dpi – High-Precision Thermal Transfer Printhead
Engineered for industrial, medical, and retail labeling with 300dpi ultra-sharp performance
Core Specifications Table
| Parameter |
Details |
| Model |
Rohm KA2002-DC90A (300dpi / 12 dots/mm) |
| Technology |
Thermal Transfer (Direct Thermal Optional via Firmware) |
| Resolution |
300dpi (0.084mm dot pitch – ISO/IEC 15426-2 compliant) |
| Effective Print Width |
104mm (4.09") – Supports 50–110mm labels (global standard width) |
| Heating Elements |
1,248 precision resistive dots (ceramic substrate + Teflon-coated surface) |
| Rated Life |
50km (thermal transfer) / 70km (direct thermal) – Rohm's longest lifespan* |
| Interface |
30-pin FPC (0.5mm pitch) – Plug-and-play with industrial printers |
| Temperature Range |
Printing: -10°C to 60°C; Storage: -20°C to 80°C – Extreme environment tolerance |
| Voltage |
12V DC (±10% fluctuation) – Stable operation in factory settings |
| Weight |
95g (lightweight aluminum alloy bracket) |
Based on Rohm's 2025 thermal cycle test (50% duty cycle, premium ribbon).
Technical Features & Advantages
| Feature |
Benefit |
| 300dpi Ultra-Precision |
Crisp barcodes (GS1, UDI), fine text (2mm height), and micro QR codes |
| Teflon-Coated Surface |
Reduces ribbon friction by 40%, extending head/ribbon life by 30% |
| Dual-Mode Compatibility |
Thermal transfer (for durable labels) + direct thermal (for cost-effective paper) |
| Industrial-Grade Durability |
Ceramic substrate + reinforced bracket – Withstands 10,000+ head-open cycles |
| Auto-Adjustable Pressure |
Built-in spring system for 0.06–0.30mm media (no manual calibration needed) |
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