Catalog > Electro-Mechanical Components > Heatsinks > Finger Shaped for TO-5 Attachable Small Finger-Shaped Heatsink for TO-5 Attachable Small Finger-Shaped Heatsink KK511 HEATSINK Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features for TO-5 Additional Information Thermal Resistance 33 K/W Length 29mm Surface Type Special Bronze Blackened