FK 253 TO 220

Heat Sink, 23.7 K/W, TO-220, 22 mm, 11.1 mm, 19 mm

⚠️ Given the current worldwide supply chain situation, we kindly ask you to take the information shown as a guideline.

Manufacturer: FISCHER ELEKTRONIK
Product type: Natural Convection Heat Sinks
SVHC: No SVHC (25-Jun-2025)
Product Range: FK 253 Series
Packages Cooled: TO-220
Heat Sink Material: Aluminium
Thermal Resistance: 23.7K/W
External Width - Metric: 22mm
External Height - Metric: 11.1mm
External Length - Metric: 19mm
External Width - Imperial: 0.86"
External Diameter - Metric: -
External Height - Imperial: 0.44"
External Length - Imperial: 0.75"
External Diameter - Imperial: -

Delivery and price
Units per pack	50
Price	3.28 €
Current stock	10+
Lead time	30 days

Datasheet

Updated at April 3, 2026