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KD2002-DC70A
Printheads
Thick film thermal printhead (with thermal historical control)
KD2002-DC70A
DC70 series has our own internally developed heat-history control function. This product is best suited for applications which require 24 hours operation like factory production lines.
Applications High speed label printer High speed bar code printer High speed ticket printer Various high speed terminal printers
Features 1) Newly developed thick-film fast response thermal element and driver LSI with the function of thermal history control which is added the future history control are employed for this series. It is possible to print with super high speed of 10 inches / s or 250mm / s. 2) 150km life realized by attributing durable new protection film. 3) New partial glaze construction makes it compatible with the thermal transfer application.
External dimensions (Unit : mm)
LABEL
65 (4.5)
6.10.4 (5) f3H10 Length 4 (Effective Depth 3)
3-M3(Effective Depth 3)
00.2 55.50.3 550.3 DOT #448
56 (Effective Print Width)
Dot #448
Dot #1
250.5
Max.36
Max.45
Ma
x.
20
(20.8)
(3)
15.30.3
7.30.3
Max.12
280.3 560.3
Max.5.5
3H10 (Effective Depth 3)
#2
#20
#4
#1
#1 CONNECTOR A
#19 CONNECTOR B
17.80.2
1/3
KD2002-DC70A
Printheads
Equivalent circuit
VH (COM)
220F 35V
DOT #448
DOT #1
GND
0.1F 50V
VDD (+5)
/ STB2
/ STB1 / RESET
LATCH REGISTER
CLK (CP) DI
D0
/ LOAD START INC TO EACH IC
SEL2 SEL1
TM TM
THERMISTOR 30k B: 3950
DI No. DI
DOT No. 448 1
/ STB No. / STB2 / STB1
DOT No. 448 193 192 1
Pin assignments
CONNECTOR A No. 1 2 3 4 5 6 7 8 9 10 Circuit No. Circuit CONNECTOR B No. 1 2 3 4 Circuit VH (COM) VH (COM)
VDD VDD SEL2 SEL1 CLK (CP) NC DI NC INC / LOAD
11 12 13 14 15 16 17 18 19 20
/ RESET START DO NC TM TM / STB 2 / STB 1 NC NC
GND GND
2/3
KD2002-DC70A
Printheads
Characteristics
Parameter Effective printing width Dot pitch Total dot number Average resistance value Applied voltage Applied power Print cycle Maximum number of dots energized simultaneously Maximum clock frequency Maximum roller diameter Running life / pulse life Operating temperature Symbol - - - Rave VH PO SLT - - - - - Typical 56 0.125 448 650 24 0.83 0.490 448 8 20.0 150/(1x108) 5~45 Unit mm mm dots V W/dot ms dots MHz mm km/pulses C
Data sheets
1.6 1.4 SLT : 0.82ms / line
1.0 0.9
MAXIMUM ENERGY (mJ/dot)
0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0
OPTICAL DENSITY
1.2 1.0 0.8 0.6 0.4 0.2 0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 ENERGY (mJ/dot)
Level1 Level2 Level3
Level4 Level5 Level6
0.2 0.4 0.6 0.8 1.0 1.2 1.4
SCANNING LINE TIME (ms/line)
Fig.2 Representative density curve
Fig.3 Maximum energy curve
3/3
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1

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