Reduce the risk of hardware failure due to overheating.
^^ Heatsink Size: 300 x 69 x 36 mm / 11.8 x 2.71 x 1.41 Inch. ^^ Widely used for computer, Power Transistor, FET, IC, Power Amplifier, Voltage Regulator, MOSFET, SCR etc. ^^ Maximize surface area Designed in contact with the cooling air. The 27pcs fins increase the area of the board and thus provide for greater heat transfer ^^ For need other sizes or oxidation of this model, contact the seller of this product model as soon as possible.