EV Bus Bars
In every iteration of the electrification architecture of new energy vehicles, the improvement of energy density and breakthroughs in power density have always been the core issues. As the "artery" connecting the "electrical heart" of thin film capacitors with motor controllers and battery packs, EV Bus Bars have long surpassed the definition of traditional conductive bars. It integrates power distribution, high-frequency filtering, thermal management, and mechanical support, and is a key enabling component that determines the efficiency, stability, and vehicle range of the inverter.
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Product Introduction
In the wave of engineering upgrades for high-voltage, integrated, and long-life new energy vehicles, thin film capacitors, as the core components for voltage stability and high-frequency filtering, rely on the adaptability and reliability of the connection system to release their efficiency. The EV Bus Bars for new energy vehicle thin-film capacitors are not traditional conductive carriers, but integrated power distribution and efficiency optimization engineering components designed specifically for the operating characteristics of thin-film capacitors.
Product advantages
DC Resistance and Energy Efficiency Optimization
At room temperature of 20 ℃, for every meter of conductor length, we strictly control the DC impedance of EV Bus Bars within the range of 0.001 to 0.01 Ω. The specific performance of this value is limited by the conductive cross-sectional area, material purity, and layer thickness process. The extremely low resistance characteristic is the key to suppressing Joule losses, especially when dealing with high current transmission in new energy vehicles, which directly determines the overall energy conversion efficiency of the system.
01
Insulation withstand voltage and electrical safety
Adapting to the high-voltage architecture of new energy vehicles, Automotive BusBar PET Insulation has excellent voltage resistance levels, with a rated operating voltage typically set between 500V and 1500V. This indicator widely covers the voltage range of mainstream vehicle models' power batteries and retains sufficient margin to cope with transient overvoltage shocks. The reliable electrical breakdown protection capability is the core defense line to ensure the safety and stability of the busbar during steady-state operation and transient fluctuations.
02
Collaboration between current carrying capacity and thermal design
The sustained current carrying performance of Automotive Power Busbar is the result of the combined effects of conductor cross-section, material properties, and system heat dissipation conditions. Taking a copper bar with a cross-sectional area of 50mm ² as an example, it can sustain a current of 200 to 300A under conditions of 40 ℃ ambient temperature and excellent heat dissipation design. In actual selection, it is necessary to combine the actual load requirements of the motor controller and battery pack, and rigorously calculate the specifications of the busbar to ensure that it meets the thermal management requirements of the entire vehicle.
03
Compatibility between precision machining and assembly
To ensure seamless integration with film capacitors and other peripheral electrical components, we have implemented strict control over the dimensional tolerances of the Automotive Ground Bus Bar, with length, width, and thickness errors typically limited to ± 0.1mm to ± 0.3mm. This high-precision machining standard not only ensures smooth assembly on automated production lines, but also fundamentally avoids the risk of poor contact or electrical performance degradation caused by dimensional deviations.
04
procurement information
Order
Car Battery Bus Bar minimum order quantity of 1000 pieces/item, all manufactured through stamping molds, with a delivery cycle of 20-30 days (molds and products).
Payment method
30% deposit, the remaining balance to be paid via bank wire transfer or sight letter of credit before shipment from Auto Bus Bar.
Delivery inspection
BusBar Car appearance, size, tin plating thickness, nut torque/N · m, thrust/N, welding tension, salt spray test, busbar traceability label, etc
Packing & Delivery
With a well-established supply chain management system and strong customs clearance capabilities, we offer full-process visual tracking services to ensure your goods are delivered on time and safely. Free samples are allowed for 1-10 pieces, with a delivery time of 7-10 days for orders and 10-20 days for samples (including tooling/mold production for copper stamping parts).
The package of EV Bus Bars: Inner plastic bag + inner EPE foam packaging + outer carton + outer pallet + cable ties and moisture-proof plastic wrap.
contact us
Our team focuses on producing busbar series and has a professional engineering team. If you are currently in the EV Laminated Busbars selection or technical evaluation stage, please provide project conditions and key parameters for engineering confirmation.
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