WH4004

The WH4004 is designed as one kind of 20 x 4 dots character that has some points of features:(1)5 x 8 dots includes cursor;(2)built-in controller (KS0066 or equivalent);(3)+5 V power supply;(4)1/16 duty cycle;(5)LED can be driven by pin 17, pin 18;(6)N.V. optional for +3 V power supply. The mechanical data of this device can be summarized as:(1)module dimension: 190.0 mm x 54.0 mm;(2)viewing area: 147.0 mm x 29.5 mm;(3)mounting hole: 183.0 mm x 47.0 mm;(4)character size: 278 mm x 4.89 mm.

The absolute maximum ratings and the electrical characteristics of the WH4004 can be summarized as:(1)power supply: -0.3 V to 6.7 V;(2)input voltage: -0.3 V to VDD V;(3)supply current: 2.4 mA to 3.0 mA;(4)LED forward voltage: 4.2 to 4.6 V;(5)LED forward current: 600 to 1200 mA;(6)EL power supply current: 5.0 mA. If you want to know more information about it, please download the datasheet in www.seekic.com or www.chinaicmart.com .