SV-LED Heat Sinks Ohmite's SV-LED Heatsinks are high performance, low cost, configurable, scalable, and compact power heatsink for LED modules. These powerful, high aspect ratio heatsinks come in two standard heights (14mm and 25mm). They can be configured to customer specifications for length, surface finish, mounting holes, and custom machining. With a 9.9mm mounting surface, these heatsinks are popular in applications such as illuminated headsets for surgeons and dentists.