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RADSOK® RadFin™ | Reliable Busbar Power Connector Solution

High Amperage, Board Level, Power, R4 RADSOK® Technology

Description

High-Performance Busbar Power Connector Solution for Demanding Applications

The RADSOK® RadFin™ busbar power connector from Amphenol Industrial Operations delivers exceptional power transfer in compact and high-demand applications. Engineered to support up to 200 amps, this advanced connector provides a direct connection from a PCB to a busbar while minimizing thermal resistance and maximizing conductivity. Designed with our field-proven RADSOK® technology, the RadFin ensures high current-carrying capability with low insertion force and superior reliability for critical power distribution systems.

Compact and Efficient PCB-to-Busbar Connections

As systems become increasingly compact and power densities rise, the need for efficient, space-saving interconnect solutions grows. The RADSOK® RadFin™ addresses this demand by offering a low-profile, high-performance busbar power connector capable of delivering robust electrical performance while conserving valuable board space. Its design reduces thermal management challenges and supports higher operating efficiencies, making it ideal for compact energy storage systems, inverters, and industrial control systems.

Advanced RADSOK® Contact Technology

At the heart of the RADSOK® RadFin™ connector is Amphenol’s proprietary RADSOK® contact technology. This advanced design uses a hyperbolic grid structure to achieve multiple points of contact, resulting in improved current-carrying capacity, lower insertion force, and minimal contact resistance. These benefits enable superior thermal management, extended product life, and consistent performance under vibration and harsh environmental conditions, critical for industrial and datacom power applications.

Designed for High Current and Low Thermal Resistance

The RADSOK® RadFin™ is engineered to handle currents up to 200 amps, ensuring it meets the needs of today’s high-demand electrical systems. Its low thermal resistance design minimizes heat buildup, improving overall system reliability and efficiency. Whether in energy storage systems, power converters, or large-scale industrial equipment, the RadFin supports continuous, efficient power delivery while helping designers meet strict thermal and space requirements.

Ideal Applications for the RadFin Connector

The RADSOK® RadFin™ connector is ideal for a wide range of applications where high current, compact size, and thermal performance are critical. Target applications include energy storage systems, industrial inverters, data centers, electrified transportation platforms, and high-efficiency power converters. Its versatility and rugged design make it a trusted solution for OEMs requiring durable, high-current interconnects in demanding environments.

Benefits of Using RADSOK® RadFin™ Connectors

Integrating the RADSOK® RadFin™ connector into your system offers multiple advantages. Customers benefit from reduced assembly time thanks to the low insertion force, enhanced system reliability due to excellent thermal management, and space savings that support miniaturized design architectures. These benefits translate into lower system costs, improved performance through heat dissipation, and longer product lifecycles, making the RadFin™ an outstanding value for OEM and distributor partners alike.

Partner with Amphenol Industrial Operations

Amphenol Industrial Operations brings decades of expertise in high-current interconnect solutions to industries worldwide. Our commitment to innovation, reliability, and customer support ensures that products like the RADSOK® RadFin™ connector meet and exceed the expectations of today’s engineers and system designers. Whether your application demands compact power connections, rugged durability, or exceptional thermal performance, Amphenol provides the trusted solutions you need.

Contact us today to learn more about the RADSOK® RadFin™.

Features & Benefits

100A to 300A
Small form factor, 6mm, 8mm & 10mm
Also offered with a plastic protective cover and with a male pin
Solder tail (Press fit optional)
UL94-V0 (self extinguishing)

Specifications

Electrical
Voltage
2000 Vac RMS
Current Rating
100~350A
Number of contacts
1
Certifications
UL94-V0
Mechanical
Cable O.D.
6.0, 8.0 and 10.3
Mating cycles
500+
Wire size (mm²)
6.0, 8.0 and 10.3
Locking element
Quick Push-Pull
Material
Contact plating
Silver
Contacts
Copper
Shell
Metal
Environmental
Temperature range
-40~125℃
Flammability
UL94-V0
RoHS
Yes
REACH
Yes
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Amphenol Industrial's product lines consist of rectangular, standard miniature, fiber optic, EMI/EMP filter, and a variety of special application connectors.

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