It seems digikey doesn't sell the really big audio heatsinks you typically see in high power applications. The biggest TO220 heatsink I have found on digikey is this one:
RA-T2X-64E Ohmite | RA-T2X-64E-ND | DigiKey
RA-T2X-64E Ohmite | RA-T2X-64E-ND | DigiKey
Heatsink
It seems digikey doesn't sell the really big audio heatsinks you typically see in high power applications. The biggest TO220 heatsink I have found on digikey is this one:
Might help if you gave some information about your application and heat dissipation. You might check with Steve at apexjr.com
It seems digikey doesn't sell the really big audio heatsinks you typically see in high power applications. The biggest TO220 heatsink I have found on digikey is this one:
RA-T2X-64E Ohmite | RA-T2X-64E-ND | DigiKey
If you're using them for regulators you'll be fine. If you're running parallel bipolar transistors - even with low value emitter resistors - you DON'T want to use them. Parallel bipolar transistors REQUIRE a common heatsink to prevent thermal runaway. It would be even better if _all_ the bipolar power transistors in a channel were on one large heatsink.
G²
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