Tru Semi-TO220-Heat-Sink-with-Lugs-Tru Semi-BK-T220-0042-02-p-Pre-drilled-bolt-on-heatsink-complete-with-tinned-solderable-mounting-lugs-for-vastly-enhanced-mechanical-stability-&-reduced-assembly-time-p-Tru Semi-BK-T220-0042-02-TO220-Heatsink-with-Lug-19-c-w