Condenser for transistor amplifier ----- Heatsink DIY

Crane production of transistor amplifier, Heatsink DIY Keywords: radiator production of transistor amplifier Crane production of transistor amplifier Author: Anhui Gaouxi Today's audio amplifier chassis. Most of the aluminum panels with thickness' 6mm or more are used as panels. When the author is assembled a transistor amplifier, the aluminum panel in the hand is. It turned out to be heavy than the radiator on the board, so I born with aluminum panels and the idea of ​​being a radiator. The specific practice is as follows: (1) Replace the heat sink on the circuit board with a length of 200 mm, drilled two φ4.1 mm through holes on the side of the corner aluminum and the circuit board; (2) in aluminum panel A suitable position is found on the iron plate of the inner lining to open a rectangular hole of a 21OMM × 30 mm. In order to be directly mounted to the aluminum panel; (3) drill the blind hole of two φ3.5 mm in position corresponding to the aluminum panel (the depth of the blind hole is about 3 ~ 4mm), pay attention to not Aluminum panel is drilled, then the thread of φ4mm; (4) Apply a layer of silicone fat in the side of the aluminum and the aluminum panel, and secures the corner aluminum to the aluminum panel with a screw. The power amplifier can be fixed on the corner aluminum (the original heat pipe) is saved. The drawings are schematic views of the aluminum fixed to the aluminum panel. Try. The heat dissipation of the aluminum panel is good. The normal volume is only a fine temperature state. Aluminum panels are used as radiators. Not only saved aluminum, but also saves the space inside the chassis. Compared with the flattened color TV, the depth of the power amplifier chassis is large, and the aluminum panel is used to use aluminum panels to provide favorable conditions for solving this problem.

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