KF2002-GF41A
KF2002-GF41A is Compact high speed thick film thermal printhead manufactured by ROHM.
Features
1) The use of a special partial glaze and the latest heating element structure, along with new high-density driver chips that can accept big current, has allowed ROHM to achieve print speeds of 200mm/s, the fastest in its class. 2) One rank resistance value of 650Ω ± 3% eliminates the inconvenience of rank selection. 3) 2-inch, 3-inch and 4-inch series are available. !External dimensions (Units : mm)
2.6±0.1
65 56 (Effective Print Width) Dot #448 Dot #1
Max.1.7
(5.1) 4±0.2
Max.18
No.28
No.1
Connector
Insert Direction
55±0.2
5±0.2
M ax .
φ2 0. 0
Exposed Conductor Side
5.1±0.1
2-M3 (Effective Depth 3)
1/4
Printheads
!Equivalent circuit
VH GND 1,2,3,4 DOT #448 DOT #1
7-11,19-22
STB2
STB1
LAT CLK DI2 DO2 DI1 DO1 TM TM
14 13 24 23 6 5 16 17
LATCH REGISTER
SHIFT REGISTER 2
SHIFT REGISTER 1
THERMISTOR
Fig.1
!Pin assignments
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Circuit VH VH VH VH DO1 DI1 GND GND GND GND GND STB1 CLK LAT No. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Circuit VDD TM TM STB2 GND GND GND GND DO2 DI2 VH VH VH VH
2/4
Printheads...
