105-102H

Overview

The Delevan 105-102H is a surface-mount fixed inductor with 1 µH nominal inductance and ±3% tolerance. It features a maximum DC resistance of 730 mOhms and a rated current of 360 mA. The component operates within a temperature range of -55°C to +105°C, exhibiting a minimum Q factor of 30 at 25 MHz and a self-resonant frequency of 150 MHz. It utilizes an unshielded design suitable for standard PCB mounting applications.

Feature Summary

• Surface-mount construction for automated assembly
• Unshielded magnetic core configuration
• High-temperature operational stability

Applications

• RF signal filtering circuits
• General-purpose power supply chokes
• Signal processing modules

Procurement Notes

Verify manufacturer authenticity through authorized channels. Confirm RoHS compliance status as historical records indicate non-compliant variants exist. Validate package dimensions against schematic footprints prior to procurement. Ensure replacement parts match electrical specifications exactly.

Selection Notes

Select this component for low-inductance RF applications requiring compact SMD packaging. Consider the unshielded nature when designing layouts sensitive to electromagnetic interference. Verify thermal management capabilities align with the 105°C maximum operating limit for the specific environment.

Part Context

This part belongs to the Delevan fixed inductor family, designed for general electronic applications. It represents a standard surface-mount solution offering reliable performance in space-constrained designs. The series provides consistent electrical characteristics for mass production environments.

Replacement Considerations

Direct substitutes include the 105-102KS variant, though it lacks RoHS compliance. Cross-reference other 1 µH SMD inductors from different manufacturers only if pinout and thermal ratings are identical.

FAQ

Is the 105-102H shielded?

No, the 105-102H is an unshielded inductor.

What is the self-resonant frequency?

The self-resonant frequency is 150 MHz.