103-821H

Overview

The Delevan 103-821H is an unshielded surface-mount RF inductor with a nominal inductance of 820 nH and a tolerance of ±3%. It features a maximum DC resistance of 530 mΩ and supports a maximum DC current of 430 mA. The component has a minimum Q factor of 22 and a self-resonant frequency of 160 MHz. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded construction for minimal magnetic interference
• Designed specifically for radio frequency applications
• Surface mount technology for PCB integration

Applications

• RF circuit filtering
• Impedance matching networks
• General purpose RF signal processing

Procurement Notes

Verify the specific ordering suffix to ensure the correct packaging configuration matches your assembly requirements. Confirm that the manufacturer's RoHS status aligns with your regulatory compliance standards before finalizing procurement orders. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.

Selection Notes

Select this component when an unshielded RF inductor is required for space-constrained designs. Ensure the operating frequency remains below the 160 MHz self-resonant point to maintain inductive behavior. Verify that the 430 mA current rating meets the circuit's peak load requirements without causing saturation.

Part Context

This part belongs to the 103/R series of fixed inductors manufactured by API Delevan. It is categorized under SMD RF inductors and utilizes standard terminations. The series is designed for high-frequency performance in compact electronic assemblies.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.