# Heat Sink, TO-218/220/248, 20.5 °C/W, TO-218, TO-229, TO-247, TO-248, 20 mm, 9 mm, 27 mm

![Product image](https://novapart.co/image/farnell:4302461/)

**URL**: https://novapart.co/products/FK%20245%20MI%20247%20H/heat-sink-to-218-220-248-205-c-w-229-247-20-mm-9
**SKU**: FK 245 MI 247 H
**Manufacturer**: FISCHER ELEKTRONIK
**Category**: Cooling & Thermal Management || Heat Sinks || Natural Convection Heat Sinks
**Price**: €1.7800
**Stock**: 500+
**Lead Time**: 92 days (indicative)

## Description

Thermal Resistance:20.5°C/W; Packages Cooled:TO-218, TO-229, TO-247, TO-248; External Width - Metric:20mm; External Height - Metric:9mm; External; Available until stocks are exhausted

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Product Range | - |
| Packages Cooled | TO-218, TO-229, TO-247, TO-248 |
| Heat Sink Material | Copper |
| Thermal Resistance | 20.5°C/W |
| External Width - Metric | 20mm |
| External Height - Metric | 9mm |
| External Length - Metric | 27mm |
| External Width - Imperial | 0.79" |
| External Diameter - Metric | - |
| External Height - Imperial | 0.35" |
| External Length - Imperial | 1.06" |
| External Diameter - Imperial | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4302461/)

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**A** 

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## **Attachable heatsink** 

– universal clip on heatsinks for type TO 218, TO 229, TO 247, TO 248, SIP-Muliwatt and similar – easy assembly by pushing the heatsink onto the component 

|**art. no.**<br>PF|y<br>OP <br>oe<br>CO|20,2K/W<br> oa Ta <br>_7,<br>ao JN|
|---|---|---|
|**FK 245 MI 247 O**<br>PF<br>CO<br>Po|||
||without soldering lug<br>CO<br>AA,<br>20,5K/W||
|**art. no.**<br>CO<br>Po|CO<br>AA,<br>ji? yA<br>A<br>om ha<br>Cn|20,5K/W<br>; Sime Tee+<br>ene<br>a<br>20|
|**FK 245 MI 247 H**<br>Po<br>Cn<br>SF|||
||with soldering lug for horizontal mounting<br>Cn||
|**art. no.**<br>Cn<br>SF|Cn<br>,|19,7 K/W|
|**FK 245 MI 247 V**<br>Cn<br>SF<br>PE|||
||with soldering lug for vertical mounting<br>CT||
|**art. no.**<br>PE|CT<br>af<br>all“.<br>|“gil! ||CT<br>18,4K/W<br>NE<br>tt ;<br>20<br>1|
|**FK 243 MI 247 O**<br>PE|||
||without soldering lug<br>CT||
|**art. no.**|r<br>‘|<br>YoA, 2<br>a<br>ad<br>CO|19K/W<br>0,6<br>LL»aa<br>elle<br>20+|
|**FK 243 MI 247 H**<br>CO<br>SF|||
||with soldering lug for horizontal mounting<br>CO||
|**art. no.**<br>CO<br>SF|CO<br>Ti<br>i) J pp|18,4 K/W<br>0<br>L<br>0,6|
|**FK 243 MI 247 V**<br>CO<br>SF|||
||with soldering lug for vertical mounting<br>Ce||



**material:** copper (Cu) **material thickness:** 0.6 mm **surface treatment:** solderable 

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**H** 

**Solder pins** ➔ **E 33 Heatsinks for D PAK** ➔ **C 17 Solder terminals** ➔ **E 32 Finger-shaped heatsinks** ➔ **C 2 – 3 Plugs** ➔ **E 33 Heatsinks for TO 5 and TO 18** ➔ **C 15 – 16 Thermal conductive material** ➔ **E 2 – 14 Heatsinks for transistors** ➔ **C 4 – 9** 

**C 12** 

**N** 

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## Links

- [View this product on Novapart](https://novapart.co/products/FK%20245%20MI%20247%20H/heat-sink-to-218-220-248-205-c-w-229-247-20-mm-9)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/fischer-elektronik/fk-245-mi-247-h/heat-sink-to-218-220-247-20-5/dp/4302461)
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