J
Junior Kühlkörper GmbH
Aluminum Heatsinks Manufacturer For Power Electronics
- Employees
- 200 employees
- Locations
- 1 location
J
Junior Kühlkörper GmbH
Aluminum Heatsinks Manufacturer For Power Electronics
- Employees
- 200 employees
- Locations
- 1 location
About
Junior Kühlkörper GmbH is a German B2B manufacturer specializing in high-precision aluminum heatsinks and custom extrusion profiles for the power electronics industry. Operating out of Plettenberg, the company provides technical consulting, CNC machining, surface finishing, and custom thermal management concepts for industrial sectors such as automation, medical technology, energy, railway, and aerospace.
Services
3Surface Finishing Services
Junior Kühlkörper offers comprehensive surface treatment for aluminum heatsinks and precision components, including anodizing, powder coating, nickel plating, tinning, silvering, gilding, chromating, and shot blasting to improve electrical conductivity, visual appearance, and long-term corrosion resistance in industrial operating environments.
Custom CNC Machining Services
Provides high-precision mechanical processing of aluminum profiles using over ninety CNC machining centers, supporting five-axis milling, drilling, friction stir welding, long-section machining up to sixteen meters, and automated robot loading for custom prototypes and large series production runs.
Thermal Concept Development Services
Offers technical consulting, thermal calculations, and custom engineering to design optimized heatsink profiles tailored to power electronics applications, ensuring effective heat dissipation, structural integrity, and economic efficiency from prototyping through volume manufacturing.
Products
34SSS
4000ER Serie
The 4000ER Serie is a high-performance aluminum heatsink line engineered using an innovative force-fit joining process. Manufactured entirely in Plettenberg, these heatsinks feature narrow fin spacing, high thermal dissipation capability, and high mechanical strength for space-constrained power electronics systems.
Standardprofile
Standardprofile offers over 250 standard extruded aluminum heatsink shapes, including comb profiles ranging from 40 to 999 mm in width. Delivered ready for installation, these standard geometries eliminate tooling costs and enable fast delivery for power electronics, drive technology, and industrial controls.
Sonderprofile
Sonderprofile provides custom-engineered aluminum heatsink solutions tailored to specific thermal and mechanical requirements. Supporting over 2,500 realized custom designs, these profiles combine efficient thermal management with structural load-bearing functions for solar, wind, medical, and rail applications.
Quick Info
- Followers
- …
- Employees
- 200
- Founded
- 2026
- Company type
- Tech Company
- Website
Industries1
Solution Areas3
Sub Industries2
Audience
Target Industries
Not specified yet
Customer Segments
Not specified yet
Business Model
Locations1
HeadquarterHQ
58840 Plettenberg, Germany
Recent activity
1Sep 2026
Tags3
#heatsink
#aluminum
#powerelectronics