Easy to weld on the PCB board. Widely used in car stereo radio recorder, audio equipment in the power, has the volume output power, low distortion. Product Name : 18W Hi-Fi Amplifier; Model : TDA2030A Package : TO-220; Input Voltage : 6-22V Static Current : 50mA; Pin Type : 5 Pin V Shaped Body Dimension : 10 x 9 x 4.5mm/0.4" x 0.35" x 0.18" (L*W*T); Total Length : 26mm/1" Package Content : 6 Pcs x 18W Hi-Fi Amplifier Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.