Heat sink 51 mm 8.5 K/W black anodised, ICK-40B, Fischer Elektronik - Distrelec
HEAT SINK, DIP, GLUE-ON, 8.5°C/W - Element14
FISCHER ELEKTRONIK ICK 40 B Heat Sink, DIP, Glue-On, DIP, 8.5 C/W, 4.8 mm, 19 mm, 51 mm - Farnell