# Heat Sink, Square, PCB, Extruded, LED, 7 K/W, SOT-32, TO-220, 21.45 mm, 19 mm, 75 mm

![Product image](https://novapart.co/image/farnell:1850030/)

**URL**: https://novapart.co/products/SK%20454%2075%20SA/heat-sink-square-pcb-extruded-led-7-k-w-sot-32-to
**SKU**: SK 454 75 SA
**Manufacturer**: FISCHER ELEKTRONIK
**Category**: Cooling & Thermal Management || Heat Sinks || Natural Convection Heat Sinks
**Price**: €2.2200
**Stock**: 200+
**Lead Time**: 99 days (indicative)

## Description

Thermal Resistance:7K/W; Packages Cooled:SOT-32, TO-220; External Width - Metric:21.45mm; External Height - Metric:19mm; External Length - Metric:75mm; External Diameter - Metric:-; Heat

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| Product Range | - |
| Packages Cooled | SOT-32, TO-220 |
| Heat Sink Material | Aluminium |
| Thermal Resistance | 7K/W |
| External Width - Metric | 21.45mm |
| External Height - Metric | 19mm |
| External Length - Metric | 75mm |
| External Width - Imperial | 0.84" |
| External Diameter - Metric | - |
| External Height - Imperial | 0.75" |
| External Length - Imperial | 2.95" |
| External Diameter - Imperial | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1850030/)

Details 

23.11.10 08:23 

## Standard extruded heatsinks / **SK 454** 

21,45 x 19 mm, for pcb mounting SK 454 ... x M3 / M3 L 

## **Parameters of article SK 454** 

|**width** **[mm]**||21.45|
|---|---|---|
|**heigth** **[mm]**||19|
|**plate thickness** **[mm]**||3|
|**length on stock** **[mm]**||37.5 / 50 / 75 / 100 / 150 / 1,000|
|**Rth** **[K/W]**|ep)|4.9 - 10.1|
|**drilling pattern**||TO 220 / SOT 32|
|**surface treatment**||raw degreased aluminium / ME / black anodised|



## **Additional information** 

Lochbilder + Befestigungsschlitze 

## **Accessories/ related articles** 

Extruded heatsinks for PCB mounting / **SK 454 ... M3** Extruded heatsinks for PCB mounting / **SK 454 ... M3 L** 

http://www.fischerelektronik.de/fischer/jsp/details/content/Object_print.jsp?currentObjectId=CA@fcool@PR@SK454_ 

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## Links

- [View this product on Novapart](https://novapart.co/products/SK%20454%2075%20SA/heat-sink-square-pcb-extruded-led-7-k-w-sot-32-to)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/fischer-elektronik/sk-454-75-sa/led-heatsink-standard-extruded/dp/1850030)
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