KF3002-GM50A Datasheet, PDF (3/4 Pages) Rohm – Thick film thermal printhead (with thermal historical control)

Printheads
!Characteristics
Parameter
Symbol
Effective printing width
−
Dot pitch
−
Total dot number
−
Average resistance value
Rave
Applied voltage
VH
Applied power
PO
Print cycle
SLT
Pulse width
TON
Maximum number of dots energized simultaneously
−
Maximum clock frequency
−
Maximum roller diameter
−
Running life / pulse life
−
Operating temperature
−
Typical
54.208
0.0847
640
1250
24
0.434
0.41
0.263
640
8
φ20.0
150/(1×10⁸)
5~45
KF3002-GM50A
Unit
mm
mm
dots
Ω
V
W/dot
ms
ms
dots
MHz
mm
km/pulses
°C
!Data sheets
1.6
SLT : 0.82ms/line
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18
ENERGY (mJ/dot)
Fig.2 Representative density curve
0.7
Level1
0.6
Level2
0.5
Level3
0.4
Level4
0.3
Level5
0.2
Level6
0.1
0.0
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
SCANNING LINE TIME (ms)
Fig.3 Maximum energy curve