LTP1245
The LTP1245 2“ direct thermal printer mechanism is designed for portable printing applications. This innovative product features a paper feed knob, “circular” type auto-cutter, and choice of curved or straight paper path orientation, for added design flexibility. The LTP1245 can also be configured the PT110P01 processor, supporting Serial and Parallel interface connectivity.
Product Highlights
- Low operating voltage for longer battery life
- Compact and light-weight
- Paper feed knob model available
- Straight and curved path models for maximum design flexibility

LTP1245 Downloads
| Technical Specifications | ||
|---|---|---|
| Model | LTP1245 | |
| Printing | Method | Thermal line dot printing |
| Number of dots/line | 384 | |
| Resolution (dots/mm) | 8 | |
| Paper width (mm) | 58 | |
| Printing width (mm) | 48 | |
| Max speed (mm/sec) | 62.5 | |
| Paper path | Curved/Straight | |
| Detection | Head temperature | By thermistor |
| Head up detection detection | By photo interrupter | |
| Out of paper detection | By photo interrupter | |
| Power supply (V) | Operating voltage (Vdd) | 4.5 to 5.5 |
| Operating voltage (Vp) | 4.2 to 8.5 | |
| Peak current (A) | Head | 2.7(8.5V/64 dots) |
| Motor | 0.46 | |
| Service life | Pulse activation | 100 million |
| Abrasion resistance (km) | 50* | |
| Operating temperature (°C) | 0 to 50 | |
| Dimensions (WxDxH mm) | 72.0 x 39.5 x 16.0** | |
| Mass (g) | Approx. 45 | |
| Interface Board Specifications | |||
|---|---|---|---|
| Model | IF1101-01B | IF1101-01BK | |
| CPU | PT110P01 | ||
| Operating voltage (V) | Vp:4.2 to 8.5, Vcc: 4.5 to 5.5 | ||
| Character matrix (H x W dots) | 16 dot characters: 16 x 8, 16 x 16 | ||
| 24 dot characters: 24 x 12, 24 x 24 | |||
| Charatcter type | Optional font | Yes | Yes |
| Downloaded character | Yes | Yes | |
| User-defined character | Yes | Yes | |
| Extended graphics character set | Yes | Yes | |
| Katakana character set | No | Yes | |
| JIS 1&2 level Kanji | No | Yes | |
| Interface | Parallel, Serial (C-MOS) | ||
| Dimensions (WxDxH mm) | 70.0 x 100 x 11.6 | ||
| CPU Specifications | ||
|---|---|---|
| Model | PT110P01 | PT120P02 |
| Package form | 128 pin QFP | 80 pin QFP |
| Operating voltage (V) | Vp: 4.2 to 8.5, Vcc: 4.5 to 5.5 | |
| Operating frequency (MHz) | 18.43 + .5% | 5 + .5% |
| Configuration | C-MOS LSI | |
| Interface | Parallel, Serial | |
| Character type | Extended graphics character set, other characters available with CGs* or external ROM | |
| Character matrix (H x W dots) | 16 dot characters : 16 x 8, 16 x 16, 24 dot characters : 24 x 12, 24 x 24 | |
| Dimensions (W x D x H mm) | 22.0 x 16.0 x 3.1 | 17.2 x 17.2 x 1.7 |
| Auto-Cutter Specifications | |||
|---|---|---|---|
| Model | ACU6205A | ACUH205B | |
| Cutting | Method | Circular type | |
| Paper width (mm) | 58 | ||
| Paper thickness | 54 to 75 | ||
| Cutting type | Full cut | Partial cut (Right side edge remains) | |
| Operating time (max sec/cycle) | 0.6 (operating voltage 6.0V, 25 °C) | ||
| Cut frequency (max cuts/min) | 30 | ||
| Cutting pitch | 10 | ||
| Operating voltage | Motor | 4.2 to 6.0 | |
| Detector (control switch) | 4.5 to 5.5 | ||
| Starting current (A) | 1.0 (5V on) | ||
| Life(cut) | 300,000 | ||
| Dimensions (W x D x H mm) | 81 x 54.0 x 12.0 | ||
| Mass (g) | Approx. 50 | ||
* Use recommended thermal paper
** Excluding protrusion
** Excluding protrusion