Hello. Welcome to Futurlec. The electronic components Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. SOLID STATE HF92B-150 - Heatsink for SSR40A, SSRB40A and SSRDC Solid State Relays Photograph Features Lightweight Aluminium Excellent Heat Dissipation Designed for Solid State Relays Datasheet - DC Solid State Relay Heatsink