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Dongguan Uchi Electronics Co.,Ltd

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China Brazed Liquid Cooling Cold Plate Heat Dissipation Thermal Management Solution
China Brazed Liquid Cooling Cold Plate Heat Dissipation Thermal Management Solution

  1. China Brazed Liquid Cooling Cold Plate Heat Dissipation Thermal Management Solution

Brazed Liquid Cooling Cold Plate Heat Dissipation Thermal Management Solution

  1. MOQ: 100pcs
  2. Price: 1300-1500 dollars
  3. Get Latest Price
Surface Flatness 0.1 mm
Dimensions Customizable
Extra Process CNC Machining
Heat Source Power 24kW
Corrosionresistance Yes, with proper coating
Surface Treatment Stamping + surface finish
Maxoperatingpressure 10 bar
Payment Terms T/T,paypal, Western Union,MoneyGram
Bonding Technology FSW, pressure pipe
Technology Pipes bending
Delivery Time not limited
Supply Ability 50000000pcs per Month
Packaging Box Size 42.5*33*18CM
Single Package Size 45X40X10 cm
Ip Rating IP65
Number Of Waterways 6 waterways
Place of Origin Dongguan,Guangdong,China
Certification SMC
Brand Name Uchi
Model Number Heat Sink

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  1. Product Details
  2. Company Details

Product Specification

Surface Flatness 0.1 mm Dimensions Customizable
Extra Process CNC Machining Heat Source Power 24kW
Corrosionresistance Yes, with proper coating Surface Treatment Stamping + surface finish
Maxoperatingpressure 10 bar Payment Terms T/T,paypal, Western Union,MoneyGram
Bonding Technology FSW, pressure pipe Technology Pipes bending
Delivery Time not limited Supply Ability 50000000pcs per Month
Packaging Box Size 42.5*33*18CM Single Package Size 45X40X10 cm
Ip Rating IP65 Number Of Waterways 6 waterways
Place of Origin Dongguan,Guangdong,China Certification SMC
Brand Name Uchi Model Number Heat Sink
High Light Brazed Liquid Cold PlateBrazed Liquid Heat SinkBrazed Cooling Plate
Brazed Liquid Cooling Cold Plate Heat Dissipation Thermal Management Solution
Brazed Liquid Cooling Plate

A brazed liquid cooling plate is a liquid-cooled heat dissipation plate formed by welding the upper and lower cover plates and the internal flow channels/fins in a high-temperature vacuum furnace using the brazing process. It features excellent sealing performance, precise flow channels, low thermal resistance and high pressure resistance, making it one of the mainstream processes for high-end liquid cooling plates.

Basic Structure

It generally consists of three layers:

  • Upper cover plate: provides sealing, interfaces and mounting surface
  • Middle layer: flow channel plate / turbulence fins / pin fins
  • Lower cover plate: bonding surface for heat-generating components

The three layers are metallurgically bonded into an integral unit through brazing.

Core Process: Vacuum Brazing
  1. Sheet metal forming → coating / pre-placing brazing filler metal
  2. Stacking and positioning → loading into vacuum brazing furnace
  3. High-temperature heating (approx. 600℃ for aluminum)
  4. Brazing filler metal melts, wets and fills gaps
  5. Cooling and forming to create high-strength sealed welds
Advantages:
  • No porosity, no cold joints, extremely high airtightness
  • High weld strength and good corrosion resistance
  • Enables complex and precise flow channel designs
  • Smooth surface, ideal for bonding high-power devices
Key Features
High Heat Dissipation Efficiency

Micro-channels, louvered fins and porous fins can be integrated in the middle layer, delivering large heat exchange area and low thermal resistance.

Strong Pressure Resistance

Standard pressure rating: 3~10 bar; high-pressure versions exceed 15 bar, suitable for fast charging, energy storage and electric motors.

Reliable Sealing

Fully welded structure with nearly zero leakage risk, compliant with helium leak testing.

Excellent Surface Flatness

Suitable for surface-mounted heat dissipation of IGBTs, SiC modules, power devices, battery packs and other planar components.

Material Composition

Mainly made of aluminum alloy using 3003, 5052, 6061 and other alloys, offering lightweight design, high thermal conductivity and moderate cost.

Common Flow Channel Designs
  • Serpentine flow channel: simple structure, low pressure drop
  • Staggered / parallel multi-channels: uniform heat transfer
  • Micro-channel fins: for high heat flux density scenarios
  • Pin fin array: ultra-high heat transfer, suitable for GPUs / lasers
Typical Applications
  • New energy vehicles: motor controllers, OBC, DC-DC converters, 800V SiC modules
  • Energy storage & fast charging: PCS energy storage converters, ultra-fast charging stations, heat dissipation for flash charging shunts
  • Industrial control & power: SVG, photovoltaic inverters, high-voltage inverters
  • Optoelectronics & computing power: lasers, GPU servers, radar systems
Comparison with Other Liquid Cooling Plates
Comparison Type Advantages
vs Friction Stir Welded Liquid Cooling Plates Brazing is more suitable for precise flow channels and high heat flux density; friction welding performs better for large-size and high-flow applications.
vs Extruded Profile Liquid Cooling Plates Brazed plates offer more flexible flow channel design and stronger heat dissipation, at a higher cost.
vs Tube-embedded Liquid Cooling Plates Better bonding performance and lower thermal resistance, ideal for high-power devices.

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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Get in touch with us

  • Reach Us
  • 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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