FK 237 SA 220 O TO 220

Heat Sink, w/o Solder Lug, 21 K/W, TO-220, 14.5 mm, 12.7 mm, 19.05 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 237 Series
Packages Cooled: TO-220
Heat Sink Material: Aluminium
Thermal Resistance: 21K/W
External Width - Metric: 14.5mm
External Height - Metric: 12.7mm
External Length - Metric: 19.05mm
External Width - Imperial: 0.57"
External Diameter - Metric: -
External Height - Imperial: 0.5"
External Length - Imperial: 0.75"
External Diameter - Imperial: -

Delivery and price
Units per pack	100
Price	1.21 €
Current stock	10+
Lead time	30 days

Datasheet

Updated at April 3, 2026