TruComponents 606917 Heatsink Range for TO 220 - TruComponents 360003, The TruComponents 1586578 TC-V5220L-203 is an aluminium heat sink designed for efficient component cooling with a thermal resistance of 8 K/W. Measuring 30 x 32 x 20 mm, this compact cooling fin is ideal for use in electronics to enhance heat dissipation from TO 220 packages. Its durable black-anodised finish and robust construction make it suitable for maintaining optimal thermal conduction in various applications. TruComponents 360003 Fin heat sink 8 K/W 30 x 32 x 20 mm TO 220