# SH3004-DC90A Thermal Printhead

## Overview
Near edge thermal printhead with 300 dots per inch resolution. Designed for high-speed continuous printing in applications like barcode, label, and packaging printers. Suitable for factory line environments requiring 24/7 operation.

## Features
· Step-Free Structure: Provides high corrosion resistance and scratch resistance.
· Near-Edge Structure: Applicable to large-size platens, compatible with resin thermal-transfer ribbons.
· W-Coat Protection: Offers 150km abrasion life.
· High-Speed Printing: Achieves >200mm/s printing at 300dpi without history control, and up to 300mm/s with history control.

## Specifications
· Resolution: 300 DPI
· Effective Printing Width: 108.4 mm
· Dot Pitch: 0.0847 mm
· Total Dots: 1280
· Operating Temperature: 5 to 45 °C
· Running Life: 150 km
· Pulse Life: 108 km

## Pin Assignments (Connector: JST/HIROSE)
1. VDD
2. BEO
3. CLK
4. GND
5. N.C.
6. GND
7. LAT
8. N.C.
9. GND
10. VDD
11. STB1
12. TM
13. SENS2
14. SENS1
15. SENS3

## Equivalent Circuit
Includes connections for: VDD, GND, BEO, STB1, STB2, LAT, DI1, DI2, CLK, TM.

## Important Notes
· Product is subject to export control regulations in Japan.
· Designed for use with ordinary electronic equipment. Consult with the manufacturer for safety-critical applications.