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ROHM Semiconductor |
www.DataSheet4U.com
Printheads
Thick film thermal printhead
(8dots / mm)
KF2008-GH40A
KF2008-GH40A
The KF2008-GH40A is a standard type A4-size thick-film thermal printhead, developed mainly for facsimiles.
!Applications
Facsimiles
Electric whiteboard
Measuring terminal printers
!Features
1) A new pin connector structure greatly reduces the size and weight.
2) A newly developed 144-bit IC levels the strobe partition and reduces the noise level.
3) One rank resistance value of 3000Ω ± 3% eliminates the inconvenience of rank selection.
!External dimensions (Units : mm)
Dot #1728
LABEL
No.9
No.1
CONNECTOR B
230.5±0.3 (HEATSINK WIDTH)
230 (SUBSTRATE WIDTH)
216 (EFFECTIVE PRINT WIDTH)
Dot #1
RESIN COATING FOR PROTECTION OF PIN.
RESIN COATING FOR PROTECTION OF IC.
No.9
No.1
CONNECTOR A
MAX 8.5
5.85±0.3
4.85±0.2
CENTER OF HEAT ELEMENTS
5±0.2
11.5±0.1
220.5±0.2
11.5±0.1
4-M3
1/4
Printheads
!Equivalent circuit
VH
GND
8,9
1,2
STB4
STB3
5
6
DOT #1728
DOT #1
12 9 4 1
DI 7
VDD
4
3
TM
CONNECTOR B
LATCH REGISTER
SHIFT REGISTER
THERMISTOR
30kΩ B:3950
The STB terminals are pulled up inside the IC.
Fig.1
!Pin assignments
CONNECTOR B
No. Circuit
1 GND
2 GND
3 TM
4 VDD
5 STB4
6 STB3
7 DI
8 VH
9 VH
CONNECTOR A
No. Circuit
1 VH
2 VH
3 CLK
4 LAT
5 STB2
6 STB1
7 TM
8 GND
9 GND
KF2008-GH40A
1,2
VH
8,9
GND
6
STB1
5
STB2
4
LAT
3 CLK
7
TM
CONNECTOR A
2/4
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