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PDF NF3004-VA20A Data sheet ( Hoja de datos )
| Número de pieza | NF3004-VA20A | |
| Descripción | Hight Speed Thermal Printhead (300DPI dots / inch) | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Printheads
NF3004-VA20A
Hight Speed Thermal Printhead
(300DPI ; dots / inch)
NF3004-VA20A
The NF3004-VA20A is a flat thin film thermal printhead that supports medium speed and high speed printing, suited
for general purpose compact printers as well as label printers.
!Applications
High definition bar code label printers
High definition ticket printers
General purpose compact printers
!Features
1) High definition of 300 dots / inch.
2) Standard glazed components to accommodate thick paper.
3) High speed clock to facilitate external heat history control.
4) Using a hard conductive film as a protective film on the heating element offers excellent resistance to electrostatic
damage.
5) Compatible with the NF2004-VA20A (8dots / mm) in mechanical specifications, to facilitate the making of a series of
printers.
!External dimensions (Units : mm)
(7.792)
124±0.5
108.4
DOT No.1
Max.φ20
6±0.2
Max.5
Max.10
#2 #26 #6 #1
TYPE OF PRINTHEAD
#1
HIROSE HIF3FC-26PA-2.54DS
#25
100±0.2
10±0.2
JST B6PS-VH
3-M3
EFFECTIVE DEPTH 3
φ3 H10
EFFECTIVE DEPTH 3
(22)
14.208±0.2
40±0.3
80±0.3
φ3 H10 LENGTH 4
EFFECTIVE DEPTH 3
DOT No.1
Note: No heat history control function inside the thermal printhead. External heat history control is required for high speed printing.
1 page  
Printheads
!Adaptation speed chart
Inch / second [IPS]
0 1 2 3 4 5 6 7 8 9 10
OVER
Without external
heat history control
With external heat
history control
NF3004-VA20A
!Data sheet
1.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.050 0.075 0.100 0.125
ENERGY (mJ / dot)
Fig. 3 Representative density curve
0.24
0.22
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
SCANNING LINE TIME (ms / line)
Fig. 4 Maximum energy curve
180 R25=30kΩ
160 B=3950k
140
120
100
80
60
40
20
0
-10 0
10 20 30 40 50 60 70
TEMPERATURE : (˚C)
Fig. 5 Thermistor curve
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NF3004-VA20A.PDF ] | |
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