LDFL021252VBUV0E

Common Mode Chokes Overview

The LDFL021252VBUV0E is a nanocrystalline common mode choke coil manufactured by Chemi-Con, designed for high-current applications. It features a single-phase configuration with an inductance of 2.5 mH at 100 kHz and a rated DC current of 21 A. The component supports a maximum voltage of 700 VDC and exhibits a low maximum DC resistance of 4.5 mOhms. Its physical dimensions are 36 mm in length, 40 mm in width, and 29.5 mm in height. The device is shielded and utilizes a radial lead termination style for vertical mounting. It operates within a temperature range of -40°C to +130°C and holds AEC-Q200 qualification.

Common Mode Chokes Feature Summary

• Utilizes a nanocrystalline core material to achieve high inductance and effective noise suppression in power circuits.
• Engineered for high current handling capabilities up to 21 A with minimal resistive losses.
• AEC-Q200 qualified for automotive reliability standards, ensuring durability under harsh operating conditions.

Common Mode Chokes Applications

• Automotive power supply filtering systems
• High-power industrial inverter noise suppression
• Electric vehicle (EV) charging infrastructure components

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct pinout and tolerance specifications. Confirm that the required inductance value at the operating frequency aligns with the 100 kHz test condition data provided in the technical documentation. Ensure thermal management strategies account for the maximum operating temperature rating during system integration.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring robust common mode noise rejection at high current levels. The nanocrystalline core offers superior performance compared to traditional ferrite cores in specific frequency ranges. Consider the physical footprint constraints due to the larger housing size required for the 21 A current rating and 700 VDC insulation requirements.

Common Mode Chokes Part Context

This component belongs to the LDFL series of nanocrystalline common mode chokes from Nippon Chemi-Con. The series is characterized by its use of advanced alloy materials to provide high saturation characteristics and stable electrical performance. These chokes are specifically engineered to meet the stringent reliability and performance demands of modern automotive and industrial electronic systems.

Common Mode Chokes Replacement Considerations

Consult the official Chemi-Con replacement guide or cross-reference tools for verified substitute part numbers. Ensure any alternative component matches the critical parameters of 2.5 mH inductance, 21 A current rating, and compatible physical dimensions for direct board replacement.