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NF2004-VA20A Printheads Hight Speed Thermal Printhead (8dots / mm) NF2004-VA20A The NF2004-VA20A is a flat thin film thermal printhead that supports medium speed and high speed printing, suited for general purpose compact printers as well as label printers. !Applications Bar code label printers Ticket printers General purpose compact printers !Features 1) Standard glazed components to accommodate thick paper. 2) High speed clock to facilitate external heat history control. 3) Using a hard conductive film as a protective film on the heating element offers excellent resistance to electrostatic damage. 4) Compatible with the NF3004-VA20A (300dpi) in mechanical specifications, to facilitate the making of a series of printers. !External dimensions (Units : mm) DOT No.1 1240.5 112 Max.20 60.2 (6) (3.5) Min. 4.3 Max. 48 Max.5 #2 #26 #6 #1 TYPE OF PRINTHEAD #1 #25 JST B6PS-VH 3-M3 EFFECTIVE DEPTH 3 HIROSE HIF3FC-26PA-2.54DS 1000.2 (36) 250.5 2.80.2 7.30.3 17.80.2 100.2 3 H10 EFFECTIVE DEPTH 3 160.2 400.3 3 H10 LENGTH 4 EFFECTIVE DEPTH 3 (22) 800.3 DOT No.1 Note: No heat history control function inside the thermal printhead. External heat history control is required for high speed printing. (21.3) (26) Max.10 NF2004-VA20A Printheads !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 Rave VH PO SLT TON Symbol Typical 112 0.125 896 800 24 0.61 0.82 0.388 896 10 20 50 / 1 billion 60 Unit mm mm dots V dot ms ms dots MHz mm km / pulses C !Pin configuration HIROSE No. Circuit 1 3 5 7 9 11 13 15 17 19 21 23 25 GND DI2 /LAT NC /STB1 TM SENS3 SENS1 NC NC NC NC NC No. 2 4 6 8 10 12 14 16 18 20 22 24 26 Circuit VDD CLK(CP) /STB2 DI1 NC TM SENS2 BEO NC NC NC NC NC JST No. 1 2 3 4 5 6 Circuit COM COM COM GND GND GND NF2004-VA20A Printheads !Timing chart Min.45ns CLK Min.30ns Min.10ns DI BEO CLK Min.100ns Min.50ns /LAT Min.100ns Min.300ns /STBn DRIVER OUT Max.12.5s Max.12.5s Fig.1 NF2004-VA20A Printheads !Equivalent circuit DOT 896 DOT 1 VH GND BEO /STB2 /STB1 /LAT LATCH 896 641 640 449 448 193 192 1 DI 2 DI 1 CLK Vdd 0.1F 50V GND TM TM DI No. DI 2 DI 1 DOT No. 896449 448 1 Fig.2 /STR No. /STB2 /STB1 DOT No. 896449 448 1 NF2004-VA20A Printheads !Adaptation speed chart Adaptation speed chart 0 1 2 3 Inch/second[IPS] 4 5 6 7 8 9 10 OVER NB2004-VA20A Without external heat history control With external heat control !Data sheet SUPPLY ENERGY(MAX) (mJ / dot) 1.5 1.4 1.2 OPTICAL DENSITY 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 1.0 0.8 0.6 0.4 0.2 0.0 0.10 0.15 0.20 0.25 0.30 0.32 50 60 70 ENERGY(mJ / dot) TEMPERATURE : (C) Fig. 3 Representative density curve Fig. 4 Maximum energy curve Fig. 5 Thermistor curve |
Price & Availability of NF2004-VA20A
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