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O220 Heatsink, also known as transistor heat sink or stamped heat sink, is stamped aluminum cooling fin for TO220 packaged transistors and power chips. Fabricated by sheet metal stamping and powder coating. We provide custom heatsink solutions for electronic thermal management.
✓ High thermal conductivity for fast heat dissipation
✓ Stamped aluminum structure for transistor cooling
✓ Pin design for easy PCB soldering & mounting
✓ Black powder coated finish for anti-corrosion
✓ Factory custom heatsink for electronics cooling
Extended fins enlarge area to release heat quickly.
Integrated pins for direct soldering on circuit boards.
Stamped structure saves space for compact devices.
Resist oxidation and improve surface emissivity.
Precision stamping ensures uniform fitting.
Custom fin shape, size and pin layout available.
✦ Full in-house stamping workflow: blanking, bending, fin forming, surface coating. Core processing done internally.
✦ Custom development capability: engineering team reviews your thermal requirement and optimizes heatsink design.
✦ Strict dimension inspection after stamping to guarantee good matching with TO220 components.
✦ Flexible order support: prototype samples, small trial batches and mass production.
✦ Stable lead time to match your electronic product development schedule.
✦ Standard & non-standard TO220 sizes ready for selection.
✦ Aluminum material delivers excellent thermal transfer performance.
✦ Multiple fin structures to meet different heat load demands.
✦ Fast technical evaluation and quotation for custom heatsink.
✦ Direct factory price without middleman markup for stamped heat sink.
Q1. What is TO220 heatsink used for?
TO220 heatsink dissipate heat for TO220 packaged transistors and power chips to avoid overheating.
Q2. What material is your transistor heat sink?
Mainly aluminum alloy. We select material according to your thermal requirement.
Q3. Can you make custom heatsink based on my drawing?
Yes. We produce stamped heat sink strictly following your CAD drawings or samples. Send drawings for quotation.
Q4. What surface finishes are available for aluminum heat sink?
Black powder coating and anodizing. Other finishes can be customized.
Q5. Do you accept small prototype orders for TO220 heatsink?
Yes, we support prototype, small batch and mass production orders.
Q6. How fast can I get quotation for custom heatsink?
We will reply quotation within 24 hours once we receive your drawings or cooling requirements.
| Product Name | TO220 Heatsink / Transistor Heat Sink |
| Raw Material | Aluminum alloy, custom available |
| Fabrication Process | Sheet metal stamping, bending, fin forming |
| Surface Treatment | Black powder coating, natural anodizing, custom available |
| Mounting Type | Straight mounting pins, custom pin layout available |
| Compatible Package | TO220 transistor & power semiconductor chips |
| Structure Type | Multi-fin stamped heat sink, custom fin design available |
| Feature | Thermal dissipation for power electronic components |
| Packing Method | Anti-static bag + export carton |
| Service Type | OEM / ODM Customization |
Custom Heatsink Overall Dimensions
Custom Fin Quantity & Shape
Custom Pin Size & Position Layout
Custom Aluminum Alloy Grade
Custom Surface Coating Treatment
