Specification: Model Number: BL28-3005SK04Y 黄绿色 Bargraph length: 30mm Effective beam number: 28 segments Color: Red /Green /Orange Symbol Absolute Maximum Rating (TA= 25°C ) Peak forward current : 30~100mA Reverse voltage : 5V Power dissipation : 0.1 ~ 0.2 W(F.S) Operating temperature range : -25 ~ 70 °C . Solidering time at 260°C : 3sec .