Maray

The WH2002D is designed as one kind of 20 x 2 character that has some points of features1)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 as1)module dimension: 89.0 mm x 21.5 mm;(2)viewing area: 75.0 mm x 15.0 mm;(3)mounting hole: 86.0 mm x 15.5 mm;(4)character size: 2.95 mm x 5.15 mm.

The absolute maximum ratings and the electrical characteristics of the WH2002D can be summarized as1)power supply: -0.3 V to 6.7 V;(2)input voltage: -0.3 V to VDD V;(3)supply current: 1.2 mA;(4)LED forward voltage: 4.2 to 4.6 V;(5)LED forward current: 360 to 720 mA;(6)EL power supply current: 5.0 mA.