![TO-220 Clip-On Heatsink : ID 977 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits TO-220 Clip-On Heatsink : ID 977 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/977-06.jpg)
TO-220 Clip-On Heatsink : ID 977 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![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
![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
![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? :
![Gdstime 200pcs To-220 Aluminum Heatsink 21x15x11mm To220 Cooling Heat Sink For 7805 Triode Transistors Cooler Ic Chip Radiator - Fans & Cooling - AliExpress Gdstime 200pcs To-220 Aluminum Heatsink 21x15x11mm To220 Cooling Heat Sink For 7805 Triode Transistors Cooler Ic Chip Radiator - Fans & Cooling - AliExpress](https://ae01.alicdn.com/kf/HTB12VZhRFXXXXayapXXq6xXFXXXZ/Gdstime-200pcs-TO-220-Aluminum-Heatsink-21x15x11mm-TO220-Cooling-Heat-Sink-For-7805-Triode-Transistors-Cooler.jpg_Q90.jpg_.webp)