Product Name : Power Transistor;Model.NO : A1941, C5198;Vcbo : 200V Ic : 10A;Pd (Total Power Dissipation) : 100W;Package : TO-3P Transistor Type : 2SA1941 (PNP), 2SC5198(NPN);Body Size (Each) : 2 x 1.5 x 0.5cm/0.78 Inch x 0.6 Inch x 0.2 Inch(LxWxT) Hole Diameter : 3.1mm/0.12 Inch;Pin Length : 20mm/0.78 Inch Net Weight : 12g/pcs Description: Complementary Silicon High Power Audio Transistors(2SA1941 1 Piece, 2SC5198 1 Piece). APPLICATIONS: High-Fidelity Audio Output Amplifier, General Purpose Power Amplifier. Package Content : 4 x Power Transistor Only the above package content, other products are not included. 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 +/- 1-3cm.