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The Schaffner RN202-0.3-02-12M is a vertical through-hole common mode choke designed for power line applications. It features an inductance of 12 mH at 1 kHz and supports a maximum DC current of 300 mA. The component has a maximum DC resistance of 1.1 ohms and operates within a temperature range of -40°C to +100°C. Measuring 13.80 mm in height, it utilizes ferrite core technology and is RoHS compliant.
Verify the specific inductance tolerance and DC resistance values against the official datasheet before integration. Confirm that the vertical package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Select this component when a compact vertical choke is required for low-current power lines. The 12 mH inductance provides significant impedance for common mode noise. Verify that the 300 mA current rating exceeds the peak load current. Consider the physical height constraint as the vertical design impacts board clearance.
This component belongs to the RN series of common mode chokes from Schaffner EMC Inc., now part of TE Connectivity. The series offers various inductance and current ratings for different power line filtering needs. The RN202 variant specifically denotes a vertical mounting style suitable for space-constrained PCB designs.
The RN202-0.3-02-22M is a related vertical choke with higher inductance (22 mH) but identical current and resistance characteristics. Verify if the increased inductance affects circuit performance before substitution.