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Dongguan Uchi Electronics Co.,Ltd

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China Aluminum Folded Fin Heatsink High Performance Thermal Management Cooling
China Aluminum Folded Fin Heatsink High Performance Thermal Management Cooling

  1. China Aluminum Folded Fin Heatsink High Performance Thermal Management Cooling

Aluminum Folded Fin Heatsink High Performance Thermal Management Cooling

  1. MOQ: 100pcs
  2. Price: 1300-1500 dollars
  3. Get Latest Price
size 22.5*11.4*0.8CM
Heat cooling power 30W
Payment Terms T/T,paypal, Western Union,MoneyGram
Delivery Time not limited
Weight: 0.08kg
Feature Flexible and adjustable
Surface treatment Oil-cleaning
Supply Ability 50000000pcs per Month
Material copper
Technology Stamping
Brand Name Uchi
Place of Origin Dongguan,Guangdong,China
Certification SMC
Model Number Heat Sink

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  1. Product Details
  2. Company Details

Product Specification

size 22.5*11.4*0.8CM Heat cooling power 30W
Payment Terms T/T,paypal, Western Union,MoneyGram Delivery Time not limited
Weight: 0.08kg Feature Flexible and adjustable
Surface treatment Oil-cleaning Supply Ability 50000000pcs per Month
Material copper Technology Stamping
Brand Name Uchi Place of Origin Dongguan,Guangdong,China
Certification SMC Model Number Heat Sink
High Light Aluminum Folded Fin HeatsinkThermal Management Fin HeatsinkFolded Aluminum Heat Sink
Aluminum Folded Fin Heatsink High Performance Thermal Management Cooling
Product Overview

Aluminum Folded Fin Heatsink is a high-performance thermal management component designed to efficiently dissipate heat from electronic and industrial devices via a dense, folded-fin structure made of aluminum foil/sheet.

  • Material: Copper
  • Size: 22.5 × 11.4 × 0.8 cm
  • Weight: 0.08 kg
  • Technology: Stamping
  • Feature: Flexible and adjustable
  • Surface Treatment: Oil-cleaning
  • Heat Cooling Power: 30W
Product Advantages

Every electrical and electronic component in a circuit generates heat during operation. High-power semiconducting devices like power transistors and optoelectronics such as LEDs and lasers generate considerable heat but have limited dissipation capability.

Component overheating leads to premature failure and can compromise entire circuit or system performance. Heat sinks provide essential cooling to overcome these challenges.

What is a Heat Sink?

A heat sink is an electronic component that disperses heat from other components (primarily power transistors) into the surrounding medium, cooling them to improve performance, reliability, and prevent premature failure. For enhanced cooling, it often incorporates a fan or cooling device.

Manufacturing & Materials
  • Process: Thin aluminum sheets (0.1-0.5 mm typical, 0.2-1.2 mm common range) are precision-folded into a corrugated/zig-zag array, then bonded to an aluminum base plate via soldering, brazing, or high-performance thermal epoxy. This allows independent optimization of fin density and base thickness, and even mixed-material combinations (e.g., copper base + aluminum fins).
  • Common Alloys: 1050/1100 (high purity, excellent thermal conductivity), 6061/6063 (good strength + thermal performance, cost-effective).
  • Key Parameters: Fin pitch down to 0.5 mm, fin height up to 100 mm, fin width up to 500 mm.
Core Advantages
  • High Surface Area-to-Volume Ratio: Far denser than extruded fins, ideal for space-constrained, high-heat applications, with reduced thermal resistance (up to 60% vs. some traditional designs).
  • Lightweight & Material-Efficient: Uses minimal aluminum while maximizing cooling surface.
  • Flexible Design: Easy customization of fin height, pitch, and shape for forced/natural convection.
  • Compatible with Heat Pipes/Vapor Chambers: Often integrated for enhanced thermal spreading in high-power systems.
Applications

Widely used in servers, telecom equipment, power inverters, LED lighting, automotive electronics, and industrial power supplies—especially where forced air cooling (fans) is available and space is limited.

Heat Sink Comparison
Type Pros Cons Best For
Folded Fin (Aluminum) Ultra-high surface area, lightweight, customizable Higher cost than extrusion, requires bonding High-power, compact, forced-air systems
Extruded Aluminum Low cost, simple manufacturing, rigid Limited fin density/aspect ratio Low-to-mid power, cost-sensitive applications
Skived Fin Excellent thermal contact, high density Limited fin height, higher tooling cost Heat pipes, high-performance CPUs
Selection & Optimization Tips
  • Thermal Load & Airflow: Calculate required thermal resistance (Rθ) and match to airflow (LFM/CFM); forced air works far better with dense folded fins.
  • Fin Pitch & Height: Tighter pitch = more surface area, but may restrict airflow; taller fins boost convection but increase weight/backpressure.
  • Bonding Quality: Poor soldering/brazing creates contact resistance—verify bond integrity via thermal imaging or resistance testing.
  • Surface Treatment: Anodizing improves corrosion resistance and can slightly enhance radiation; black anodize helps in radiative cooling scenarios.
Product Images
Aluminum Folded Fin Heatsink close-up view showing detailed fin structure Aluminum Folded Fin Heatsink side profile demonstrating compact design Aluminum Folded Fin Heatsink installation example in electronic system Aluminum Folded Fin Heatsink comparison with other cooling solutions

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2006

  • Total Annual:

    10000000-20000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

Dongguan Uchi Electronics Co., Ltd. is a professional manufacturer specializing in the R&D, production and sales of water cooling plates and liquid cooling plates, focusing on the thermal dissipation industry.   With sophisticated production technology, precision processing equipmen... Dongguan Uchi Electronics Co., Ltd. is a professional manufacturer specializing in the R&D, production and sales of water cooling plates and liquid cooling plates, focusing on the thermal dissipation industry.   With sophisticated production technology, precision processing equipmen...

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  • Dongguan Uchi Electronics Co.,Ltd
  • Room 810, Unit 2, Building 5, Huixing Commercial Center, Dongsheng Road No.1, Zhongshan Dong, Shilong Town Dongguan
  • https://www.liquidcoolingplates.com/

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