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SE2003-DC90A
Printheads
Hight Speed Thermal Printhead (8dots / mm)
SE2003-DC90A
High speed, high quality, and high durability are achieved by using step free structure with high performance partial glaze and highly conductive overcoat layer. SE200*-DC90A series are lined up which can accommodate with all types of barcode labeling printers from Direct to Thermal Transfer, normal to high speed (over 300mm/s). Applications Bar code label printers Ticket printers General purpose compact printers Features 1) ROHM new technology "STEP FREE" structure will provide, high corrosion resistance, better resistance against scratching damage, high efficiency. 2) Standard glazed components to accommodate thick paper. 3) High speed clock (10MHz) 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 SE3003-DC90A 300dpi in mechanical specifications, to facilitate the making of a series of printers. External dimensions (Unit : mm)
900.5 (5) 80 (EFFECTIVE PRINT WIDTH) DOT #640 DOT #1 60.5
Max. 48 (3.5)
Ma x.
Max. 5
20
Max. 12
#2
#20
#6
#1
#1 #19
JST B6PS-VH
HIROSE HIF3FC-20PA-2.54DS
3H10 EFFECTIVE DEPTH 3 3H10 LENGTH 4
17.80.2 7.30.3
EFFECTIVE DEPTH 3
200.2 200.3 (25) 400.3
DOT #1 M3 EFFECTIVE DEPTH 3
Note: No heat history control function inside the thermal printhead. External heat history control is required for high speed printing.
(21.3)
250.5
1/5
SE2003-DC90A
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 80 0.125 640 550 24 0.899 0.42 448 10 20 50 / 108 5 to 45 Unit mm mm dots V W / dot ms dots MHz mm km / pulses
C
Pin configuration
HIROSE No. 1 3 5 7 9 11 13 15 17 19 Circuit VDD GND N.C. LA GND N.C. VDD STB1 TM SENS2 No. 2 4 6 8 10 12 14 16 18 20 Circuit BEO DI2 CLK GND DI1 GND STB2 TM SENS1 SENS3 JST No. 1 2 3 4 5 6 Circuit VH VH VH GND GND GND
2/5
SE2003-DC90A
Printheads
Timing chart
t3
CLK
t1
t2
DI
BEO
CLK
t5
t4
LA t6 t7
STBn
DRIVER OUT t8 t8
Fig.1
3/5
SE2003-DC90A
Printheads
Equivalent circuit
DOT #640 VH DOT#1
220F 35V
GND
BEO
STB2
STB1
LA
LATCH
640
321
320
1
DI 2
DI 1
CLK
VDD
0.1F 50V
GND
TM
TM
DI No. DI 2 DI 1
DOT No. 640 to 321 320 to 1 Fig. 2
STB No. STB 2 STB 1
DOT No. 640 to 321 320 to 1
4/5
SE2003-DC90A
Printheads
Electrical characteristics curves
1.5 1.4
SUPPLY ENERGY (MAX) (mJ / dot)
0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 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)
RESISTANCE VALUE : (k)
180 160 140 120 100 80 60 40 20 0 -10 0 10 20 30 40
R25=30k B=3950k
1.2
OPTICAL DENSITY
1.0 0.8 0.6 0.4 0.2 0.0 0.060 0.100 0.150 0.200 0.250
50
60
70
ENERGY (mJ / dot)
TEMPERATURE : (C)
Fig. 3 Representative density curve
Fig. 4 Maximum energy curve
Fig. 5 Thermistor curve
5/5
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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