Shenzhen Jinyihe Technology Co., Ltd.
| Supply Ability | Prototype to Mass production |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Delivery Time | 5-8 days |
| Packaging Details | Custom Packaging |
| Model Number | OEM/ODM |
| Brand Name | JYH |
| Certification | ISO9001,IATF1969 |
| Place of Origin | China |
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Product Specification
| Supply Ability | Prototype to Mass production | Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Delivery Time | 5-8 days | Packaging Details | Custom Packaging |
| Model Number | OEM/ODM | Brand Name | JYH |
| Certification | ISO9001,IATF1969 | Place of Origin | China |
| High Light | Custom CNC machined heat sink ，High-density pin-fin heat sink ，Corrosion resistant ECU enclosure | ||
The Custom CNC Machined Aluminum Pin-Fin Heat Sink & Enclosure is engineered specifically for high-power electronic control units (ECUs), power converters, automotive control systems, and high-performance computing hardware where maximum thermal dissipation and structural integrity are critical.
Engineered with advanced 5-axis CNC milling, this custom enclosure integrates a high-density pin-fin matrix directly into the structural aluminum casing. By combining structural protection and passive/active thermal management into a single monolithic component, it reduces thermal resistance, eliminates thermal interface bottlenecks, and protects sensitive electronics against harsh operational environments.
| Parameter | Specification / Standard Options |
|---|---|
| Primary Material | Aluminum Alloys (Al 6061-T6, Al 7075-T6, Al 6063, Al 1050 / 1060) |
| Manufacturing Process | High-Speed 3-Axis / 5-Axis CNC Milling, Wire EDM |
| Machining Precision / Tolerance | Standard: ±0.05 mm | Precision: Up to ±0.01 mm |
| Surface Roughness (Ra) | Ra 0.8μm−Ra 3.2μm (As-machined); Ra 0.4μm (Polished) |
| Surface Finish Options | Clear/Color Anodizing, Hard Anodizing (Type III), SurTec 650, Sandblasting, Electroless Nickel Plating |
| Thermal Conductivity | ≈160−200 W/m⋅K (dependent on alloy selection) |
| Application Domains | Automotive ECUs, EV Inverters, Defense Electronics, Telecommunications (5G Transceivers), Industrial Automation |
| Performance Factor | Pin-Fin Machined Design (Featured) | Standard Straight-Fin Design | Extruded / Staked Fin Design |
|---|---|---|---|
| Thermal Fluid Dynamics | Omnidirectional flow; disrupts boundary layer for high heat transfer | Unidirectional flow only; higher boundary layer accumulation | Limited flow vectoring; higher thermal resistance at joints |
| Structural Integrity | Monolithic billet structure (High vibration/shock resistance) | High (if solid milled) | Moderate to Low (Joint relaxation under thermal cycling) |
| Design Flexibility | Fully customizable pin height, pitch, shape, and enclosure integration | Moderate | Fixed cross-sectional profiles |
| Space Efficiency | Maximum thermal dissipation within compact enclosure footprints | Requires larger volumetric footprint | Moderate efficiency |
At Shenzhen Jinyihe Technology Co., Ltd (JYH Precision Machining), we specialize in high-complexity, tight-tolerance mechanical components for demanding industries worldwide.
Bring your thermal management designs to life with precision manufacturing. Submit your 3D CAD files (STEP, IGES, or SolidWorks) and drawing specifications to Shenzhen Jinyihe Technology Co., Ltd for a fast DFM review and competitive quotation.
Company Details
Business Type:
Manufacturer,Exporter,Importer
Year Established:
2018
Total Annual:
3000K-4000K
Employee Number:
80~100
Ecer Certification：
Verified Supplier
About JYH Precision Machining JYH Precision Machining is a leading provider of high-precision manufacturing solutions, specializing in CNC machining, rapid prototyping, and low-volume production. Established in 2018, our company has quickly become a trusted partner for industries requi... About JYH Precision Machining JYH Precision Machining is a leading provider of high-precision manufacturing solutions, specializing in CNC machining, rapid prototyping, and low-volume production. Established in 2018, our company has quickly become a trusted partner for industries requi...
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