10-Pack TO-220 Aluminum Heatsink for 7805 – 19×15×10mm
10-Pack TO-220 Aluminum Alloy Heatsinks – Keep Your Components Running Cool
Protect your electronics and extend component life with this pack of 10 compact aluminum alloy heatsinks, designed specifically for TO-220 package transistors including popular models like the 7805 and 781 series voltage regulators. These finned heat sinks efficiently draw thermal energy away from your components, helping maintain stable performance during extended operation.
Made in Mainland China.
Key Features
- Designed for TO-220 Transistors: Perfect fit for 7805, 7812, 7905, and similar TO-220 package components.
- Aluminum Alloy Construction: Lightweight yet durable material offers excellent thermal conductivity for efficient heat dissipation.
- Compact Dimensions: 19mm × 15mm × 10mm (approx. 0.75" × 0.59" × 0.39") — ideal for tight PCB layouts and DIY electronics projects.
- Pack of 10: Great value set — have spares on hand for prototyping, repair, or batch builds.
- Finned Profile Design: Increased surface area maximizes airflow and thermal dissipation without adding significant bulk.
- Versatile Use: Suitable for hobby electronics, Arduino projects, power supply circuits, amplifiers, and more.
Specifications
| Material | Aluminum Alloy |
| Compatible With | TO-220 Transistors (e.g. 7805, 781 series) |
| Dimensions | 19mm × 15mm × 10mm (approx.) |
| Quantity | 10 Pieces |
| Color | Silver (Aluminum) |
| Origin | Mainland China |
What's in the Box?
10 × TO-220 Aluminum Alloy Heatsinks
Note: Due to monitor settings and lighting conditions, the item's color may appear slightly different from the photos. Please allow minor dimensional variation due to manual measurement.
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Frequently Asked Questions
Q: What transistor packages are compatible with these TO-220 heatsinks?
A: These heatsinks are designed specifically for TO-220 package components, including voltage regulators such as the 7805, 7812, 7905, and similar 781/780 series devices commonly used in power supply and regulation circuits.
Q: How are the heatsinks attached to the transistor?
A: These heatsinks feature a clip or press-fit profile designed to slot onto the TO-220 package body. Depending on your specific application, thermal adhesive tape or a mounting screw can also be used for added security and improved thermal contact.
Q: Are these heatsinks suitable for DIY electronics and Arduino projects?
A: Absolutely! Their compact 19×15×10mm size makes them an excellent choice for breadboard builds, PCB-mounted voltage regulators, motor driver boards, and a wide range of hobbyist and DIY electronics projects where component temperature management is needed.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.