105-271J

Overview

The Delevan 105-271J is a fixed surface-mount RF inductor with 270 nH nominal inductance and ±5% tolerance. It features a maximum DC resistance of 230 mOhms and supports a maximum DC current of 650 mA. The component utilizes an unshielded wirewound construction on a nonstandard footprint with two standard leads. Operating temperature range spans from -55°C to +125°C, and the self-resonant frequency is tested at 25 MHz.

Feature Summary

• Unshielded wirewound design for high-frequency signal integrity
• Compact surface-mount configuration with dual standard leads
• Wide operational temperature capability for harsh environments

Applications

• RF circuit filtering
• High-frequency impedance matching networks
• General-purpose RF signal processing

Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status as historical data indicates lead-containing variants may exist. Validate package dimensions against PCB footprints prior to integration. Ensure supply chain sources provide original manufacturer documentation to guarantee electrical parameter accuracy.

Selection Notes

Select this component for applications requiring precise low-inductance values in unshielded configurations. Consider the 650 mA current rating for power handling requirements. Evaluate the nonstandard footprint compatibility during layout phase. Compare performance against shielded alternatives if electromagnetic interference mitigation is critical for the specific system design.

Part Context

This part belongs to the API Delevan fixed inductor family, specifically designed for radio frequency applications. It represents a legacy SMD solution offering stable inductance characteristics. The product line emphasizes reliability in compact electronic assemblies where space constraints limit larger component options.

Replacement Considerations

Public confirmed substitute part numbers are not available in verified documentation.