KF2008-GH40A

www.DataSheet4U.com KF2008-GH40A Printheads Thick film thermal printhead (8dots / mm) KF2008-GH40A The KF2008-GH40A is a standard type A4-size thick-film thermal printhead, developed mainly for facsimiles. !Applications Facsimiles Electric whiteboard Measuring terminal printers !Features 1) A new pin connector structure greatly reduces the size and weight. 2) A newly developed 144-bit IC levels the strobe partition and reduces the noise level. 3) One rank resistance value of 3000Ω ± 3% eliminates the inconvenience of rank selection. !External dimensions (Units : mm) 230.5±0.3 (HEATSINK WIDTH) 230 (SUBSTRATE WIDTH) 15.1±0.1 MAX 8.5 5.85±0.3 Dot #1 4.85±0.2 216 (EFFECTIVE PRINT WIDTH) Dot #1728 16±0.2 No.9 RESIN COATING FOR PROTECTION OF PIN. RESIN COATING FOR PROTECTION OF IC. No.1 CONNECTOR B No.9 CONNECTOR A No.1 CENTER OF HEAT ELEMENTS 4.6±0.2 11.5±0.1 5±0.2 220.5±0.2 11.5±0.1 4-M3 2.6±0.1 MAX . φ14 .0 LABEL 1/4 KF2008-GH40A Printheads !Equivalent circuit VH GND 8,9 1,2 DOT #1728 DOT #1 1,2 8,9 VH GND 12 STB4 STB3 5 6 9 4 1 6 STB1 5 STB2 4 LATCH REGISTER DI V DD 7 SHIFT REGISTER 4 7 THERMISTOR 30kΩ B:3950 CONNECTOR B The STB terminals are pulled up inside the IC. CONNECTOR A 3 LAT CLK TM 3 TM Fig.1 !Pin assignments CONNECTOR B No. 1 2 3 4 5 6 7 8 9 Circuit GND GND TM VDD STB4 STB3 DI VH VH CONNECTOR A No. 1 2 3 4 5 6 7 8 9 Circuit VH VH CLK LAT STB2 STB1 TM GND GND 2/4 KF2008-GH40A Printheads !Timing chart tw CLK CLOCK (CLK) t setup DI ...