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SH2002-DC70A
Printheads
Near edge thermal printhead (with thermal historical control)
SH2002-DC70A
SH-DC70 series was developed with two key structures step-free and near edge for the packaging printer market which requires high speed continuous printing. It is suitable for printers in factory line where high speed 24 hours continuous printing is required. Applications Bar code printer Label printer Packaging printer ATM Ticket printer Features 1) ROHM new technology "STEP FREE" structure will provide, high corrosion resistance, better resistance against scratching damage, high efficiency. 2) Head inclination by near-edge structure, applicable to the large-size platen. Resin type thermal-transfer ink-ribbon can be used. 3) High-hardness protect cote type "W-coat" is employed with 150km abrasion life-time. 4) A built in history-control functionality, high-speed printing up to 300mm / s can be achieved with clear print image. External dimensions (Unit : mm)
80.3 660.5 (5) 56 (Effective print width) DOT No.1 60.5 400.3 200.3 (13)
34.00.5
MAX.58
Print Direc
3 H10 Length 4 Effective Depth 3
MAX.5.5
MAX.12
7.30.3
3 H10 Effective Depth 3 M3 Effective Depth 3
#2
#20
#4
#1
CONNECTOR A #1 #19
CONNECTOR B
TYPE OF PRINTHEAD
24.4550.3
tion
1/3
SH2002-DC70A
Printheads
Equivalent circuit
VH (COM)
220F 35V
DOT #448
DOT #1
GND
0.1F 50V
VDD (+5)
/ STB2 / STB1 BEO / RESET LATCH REGISTER
CLK (CP) DI
/ LOAD START INC TO EACH IC
SEL2 SEL1
TM TM
THERMISTOR 30k B: 3950
DI No. DI
DOT No. 448 to 1
/ STB No. / STB2 / STB1
DOT No. 448 to 193 192 to 1
Pin assignments
CONNECTOR A No. 1 3 5 7 9 11 13 15 17 19 Circuit No. Circuit CONNECTOR B No. 1 3 Circuit VH (COM) No. 2 4 Circuit VH (COM)
VDD GND GND /LOAD INC SEL2 /RESET / STB 1 TM SENS2
2 4 6 8 10 12 14 16 18 20
BEO DI CLK(CP) START N.C. SEL1 / STB 2 TM SENS1 SENS3
GND
GND
2/3
SH2002-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 0.125 448 550 24 0.93 0.49 448 8 50 150/(1x108) 5 to 45 Unit mm mm dots V W/dot ms dots MHz mm km/pulses C
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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