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KF3004-GF11A
Printheads
Compact low voltage thick film thermal printhead (12dots / mm)
KF3004-GF11A
KF3004-GF11A of low voltage thermal printheads have a 1.25-mm pitch connectors and reduced power supply circuit voltage requirements. This makes them useful for a wide range of applications, including CAT, FET-POS and naturally, handheld devices that demand printer heads which can operate with low supplied voltage.
Applications Mobile printers FET-POS printers Hand-held printers Debit printers Features 1) Both the circuit voltage and the voltage required during printing are 3.3V ; this allows the design of complete printer assemblies with energy-saving low power consumption. 2) KF3004-GF11A has a resistance value of 210 and can take a maximum current of 8.5V for printing. This is useful in applications where the peak voltage is restricted. 3) Because the connectors accept 1.25-mm pitch FFC (Flexible flat cables) it is possible to reduce the size of printer mechanism control boards. External dimensions (Unit : mm)
2.90.03 (mask measurement)
Max.1.7
+0.70 -0.40
(1.1)
11.35
Dot #1280
Dot #1
(14)
(connector measurement)
Max.16.5
2.10.3
1170.3 108.416 (Effective Print Width)
2.90.03 (mask measurement)
3.60.3
Pad
CONNECTOR
0.3420.01 (mask measurement)
M
No.28
No.1
ax
. 14 .0
Insert of cable direction
4 +0,-0.3 (connector measurement)
0.3420.01 (mask measurement)
1/4
KF3004-GF11A
Printheads
Equivalent circuit
VH GND
#1153~ #1280 #1023~ #1152 #897~ #1024 #767~ #896
#385~ #512 #257~ #384 #129~ #256 #1~ #128
DOT #1280
DOT #1
STB5 STB4
STB2 STB1 /AEO2 /AEO1 /LAT DI CLK DO VDD NC TM TM CONNECTOR THERMISTOR 30k B:3950K
LATCH REGISTER
SHIFT REGISTER
Fig.1
Pin assignments
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Circuit VH VH VH DO /LAT CLK VDD N.C. STB1 STB2 TM TM GND GND No. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Circuit GND GND GND GND /AEO1 /AEO2 STB3 STB4 STB5 N.C. DI VH VH VH
2/4
KF3004-GF11A
Printheads
Timing chart
tw CLK CLK (CLOCK) t setup DI DI(DATA IN) "High":BLACK "Low" :WHITE DO(DATA OUT) "High":BLACK "Low" :WHITE t setup LAT /LAT LATCH "High":HOLD "Low" :THROUGH tw LAT STB (STROBE) t setup STB t hold LAT min.10sec(VDD=5V) or 30sec(VDD=2.7V) t hold DI
td DO
/AEO (AREA ENABLE OUT)
tdo DRIVER OUT
tdo
Fig.2
Characteristics
Parameter Effective printing width Dot pitch Total dot number Average resistance value Applied voltage Applied power Print cycle Pulse width Maximum number of dots energized simultaneously Maximum clock frequency Maximum roller diameter Running life / pulse life Operating temperature Symbol - - - Rave VH PO SLT TON - - - - - Typical 108.416 0.0847 1280 210 7.2 0.17 0.847 0.6 256 8 14.0 66/1x10 0~50
8
Unit mm mm dots V W/dot ms ms dots MHz mm km/pulses C
3/4
KF3004-GF11A
Printheads
Electrical characteristic curves
0.8 Paper : KF50-HDA (OJI) 0.7
OPTICAL DENSITY
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2
ENERGY (mJ/dot)
0.8
SLT : 0.82ms/line
0.7 0.6 0.5 0.4 0.3 0.2 0.1
0.05 0.10 0.15 0.20 0.25 0.30
0.6
ENERGY (mJ/dot)
0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5
0.0 0.00
0 0
1
2
3
4
5
SCANNING LINE TIME (ms/line)
ENERGY (mJ/dot)
SCANNING LINE TIME (ms/line)
Fig.3 Adaptive speed chart
Fig.4 Representative density curve
Fig.5 Maximum energy curve
180 160 140
RESISTANCE : (k)
120 100 80 60 40 20 0 -20 -10 0 10 20 30 40 50 60 70
TEMPERATURE : (C)
Fig.6 Thermistor curve
4/4
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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