DRC-0707-100K-UL

Fixed Inductors Overview

The Signal Transformer DRC-0707-100K-UL is a fixed radial wirewound inductor with an inductance of 10 µH and a tolerance of ±10%. It features a ferrite core, operates within a temperature range of -20°C to +85°C, and has a maximum DC resistance of 43 mΩ. The component supports a rated current of 1.9 A and a saturation current of 2.1 A, with a self-resonant frequency of 19 MHz at a test frequency of 1 kHz.

Fixed Inductors Feature Summary

• Radial through-hole construction for vertical cylinder mounting
• Ferrite drum core design for low magnetic radiation
• High energy storage capability via distributed air gap

Fixed Inductors Applications

• Switching power supply circuits
• Telecommunication devices
• Personal computer power systems
• TV and audio equipment filtering

Fixed Inductors Procurement Notes

Verify the specific suffix 'K' denotes the required ±10% tolerance against project specifications. Confirm that the radial leaded package aligns with the PCB footprint requirements. Ensure the operating temperature range of -20°C to +85°C meets the environmental constraints of the final assembly. Cross-reference the 1.9A RMS rating with the thermal management plan of the target application.

Fixed Inductors Selection Notes

Select this component when a radial form factor is mandatory for mechanical stability or automated insertion processes. The 10 µH value suits intermediate filtering stages in switching regulators. Consider the 2.1A saturation limit for peak load conditions. The ferrite core offers a balance between cost and performance for general-purpose industrial and consumer electronics applications requiring moderate current handling.

Fixed Inductors Part Context

This part belongs to the Signal Transformer DRC series of radial coil inductors. The series provides a wide inductance range from 1.2 µH to 15,000 µH. These components are characterized by low DC resistance and are designed for robust performance in standard commercial and industrial environments. The DRC line emphasizes high reliability and consistent electrical parameters across various inductance values.

Fixed Inductors Replacement Considerations

Public confirmed substitute: B82479A1223M000 (TDK). Verify pin compatibility and thermal characteristics before substitution.

Fixed Inductors FAQ

What is the self-resonant frequency of the DRC-0707-100K-UL?

The self-resonant frequency is 19 MHz.

Does this inductor have a shielded core?

No, it utilizes an unshielded drum core design.