![Gdstime 10 Pcs 21x15x11mm Aluminium To-220 Heatsink To 220 Heat Sink Transistor Radiator To220 Cooler Cooling 7805 21*15*11mm - Fans & Cooling - AliExpress Gdstime 10 Pcs 21x15x11mm Aluminium To-220 Heatsink To 220 Heat Sink Transistor Radiator To220 Cooler Cooling 7805 21*15*11mm - Fans & Cooling - AliExpress](https://ae01.alicdn.com/kf/HTB1Hi7QJXXXXXaMXFXXq6xXFXXXi/202045511/HTB1Hi7QJXXXXXaMXFXXq6xXFXXXi.jpg)
Gdstime 10 Pcs 21x15x11mm Aluminium To-220 Heatsink To 220 Heat Sink Transistor Radiator To220 Cooler Cooling 7805 21*15*11mm - Fans & Cooling - AliExpress
![5V 1.5A Linear Voltage Regulator - 7805 TO-220 : ID 2164 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits 5V 1.5A Linear Voltage Regulator - 7805 TO-220 : ID 2164 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2164-00.jpg)
5V 1.5A Linear Voltage Regulator - 7805 TO-220 : ID 2164 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
![How would I go on about calculating how much power this heatsink can dissipate? Or should I just find a similar looking one which has a datasheet and look from there? : How would I go on about calculating how much power this heatsink can dissipate? Or should I just find a similar looking one which has a datasheet and look from there? :](https://preview.redd.it/2syg3rew6n671.jpg?auto=webp&s=852e1cab3a742248cb7002adfc0b419082e957d7)
How would I go on about calculating how much power this heatsink can dissipate? Or should I just find a similar looking one which has a datasheet and look from there? :
![ERH India (Pack of 20) 7805 Voltage Regulator IC 12v to 5v with Heat Sink Free : Amazon.in: Industrial & Scientific ERH India (Pack of 20) 7805 Voltage Regulator IC 12v to 5v with Heat Sink Free : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/I/31l4otiUJWL._SX355_.jpg)
ERH India (Pack of 20) 7805 Voltage Regulator IC 12v to 5v with Heat Sink Free : Amazon.in: Industrial & Scientific
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Gdstime 200pcs To-220 Aluminum Heatsink 21x15x11mm To220 Cooling Heat Sink For 7805 Triode Transistors Cooler Ic Chip Radiator - Fans & Cooling - AliExpress
![5PCS 40x30.3x25mm Aluminum Heatsink Cooling for LM7805 IC Transistor : Amazon.in: Computers & Accessories 5PCS 40x30.3x25mm Aluminum Heatsink Cooling for LM7805 IC Transistor : Amazon.in: Computers & Accessories](https://m.media-amazon.com/images/I/51kzLGt7FaL._SL1100_.jpg)