# Heat Sink, TO-220, 18 °C/W, TO-220, 25 mm, 8.3 mm, 29.4 mm

![Product image](https://novapart.co/image/farnell:4621128/)

**URL**: https://novapart.co/products/FK%20224%20MI%20220-1/heat-sink-to-220-18-c-w-25-mm-83-294
**SKU**: FK 224 MI 220-1
**Manufacturer**: FISCHER ELEKTRONIK
**Category**: Cooling & Thermal Management || Heat Sinks || Natural Convection Heat Sinks
**Price**: €1.2200
**Stock**: 1000+
**Lead Time**: 127 days (indicative)

## Description

Thermal Resistance:18°C/W; Packages Cooled:TO-220; External Width - Metric:25mm; External Height - Metric:8.3mm; External Length - Metric:29.4mm; External Diameter; Available until stocks are exhausted

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Product Range | - |
| Packages Cooled | TO-220 |
| Heat Sink Material | Aluminium |
| Thermal Resistance | 18°C/W |
| External Width - Metric | 25mm |
| External Height - Metric | 8.3mm |
| External Length - Metric | 29.4mm |
| External Width - Imperial | 0.98" |
| External Diameter - Metric | - |
| External Height - Imperial | 0.33" |
| External Length - Imperial | 1.16" |
| External Diameter - Imperial | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4621128/)

H 

**A** 

H **Attachable heatsink** 

**B** 

**C** 

**D** 

**E** 

**F** 

**G** 

**H** 

**I** 

**K** 

**==> picture [3 x 1] intentionally omitted <==**

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i **art. no.** Rth [K/W] i **FK 220 SA 220** a TO 220 25 

## **surface:** black anodised 

**art. no.** Rth [K/W] CO **FK 224 ... P SIP** P SIP 18 es 

**art. no.** Rth [K/W] ee ~~a~~ **FK 224 ... 218 1** ~~a~~ TO 218 18 ~~a~~ **FK 224 ... 218 2** a TO 218 18 **L** ~~a~~ **FK 224 ... 220 1** ~~a~~ TO 220 18 ~~a~~ **FK 224 ... 220 2** a TO 220 18 **please indicate: ... surface treatment SA=black anodised MI=solderable M** 

**H** 

**H** 

**H Heatsinks for D PAK** ➔ **C 17 Technical introduction** ➔ **A 2 - 7 H Heatsinks for transistors** ➔ **C 4 – 9 U-shaped heatsink** ➔ **A 117 – 120 C 10 Silicone wafers** ➔ **E 2 – 4 Aluminium oxide wafers** ➔ **E 9 – 10 Mica wafers** ➔ **E 11 Kapton insulator washers** ➔ **E 8** 

**N** 



## Links

- [View this product on Novapart](https://novapart.co/products/FK%20224%20MI%20220-1/heat-sink-to-220-18-c-w-25-mm-83-294)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/fischer-elektronik/fk-224-mi-220-1/heat-sink-to-220/dp/4621128)
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