B82791H2501N001

Overview

The B82791H2501N001 is a current-compensated ring core double choke manufactured by EPCOS (TDK). It is designed for power line applications with a rated voltage of 250 V AC and a rated current of 500 mA. The component features a nominal inductance of 10 mH measured at 10 kHz, with a typical DC resistance of 1 Ohm. Constructed with a ferrite core, it utilizes a through-hole mounting style. The physical dimensions are approximately 15.30 mm in length, 7.40 mm in width, and 17.60 mm in height.

Feature Summary

• Current-compensated design utilizing a ring core structure to minimize external magnetic fields.
• Dual-line configuration suitable for filtering common mode noise on power lines.
• RoHS compliant construction ensuring environmental safety standards.

Applications

• Power supply input filtering
• EMI suppression in electronic equipment
• Common mode noise reduction in AC power circuits

Procurement Notes

Verify the specific suffix N001 against the manufacturer's latest datasheet to confirm pinout and mechanical tolerances. Ensure the selected variant matches the required 500 mA rated current and 250 V AC rating for the target application. Cross-reference the package dimensions with the PCB footprint to guarantee proper assembly clearance.

Selection Notes

Select this component when a compact, current-compensated choke is required for 250 V AC power lines. The 10 mH inductance provides effective attenuation for common mode interference at standard switching frequencies. Consider the 500 mA current rating to ensure the device operates within its thermal limits without saturation during peak load conditions.

Part Context

This part belongs to the B82791 series of power line chokes from TDK Electronics. The series offers various inductance values and current ratings tailored for different power supply requirements. These components are widely used in industrial and consumer electronics to meet electromagnetic compatibility regulations.

Replacement Considerations

Check for direct substitutes within the B82791 series that match the 10 mH inductance and 500 mA current rating. Verify that alternative parts maintain the same ring core geometry and through-hole lead spacing to fit existing board layouts without modification.

FAQ

What is the typical DC resistance of the B82791H2501N001?

The typical DC resistance is 1 Ohm.

Is this component suitable for high-frequency switching power supplies?

Yes, it is designed for power line filtering and can attenuate common mode noise generated by switching operations.