1331-683K

Fixed Inductors Overview

The Delevan 1331-683K is a surface-mount shielded RF inductor belonging to the MIL1331 series. It features an iron core and offers an inductance of 68 uH with a tolerance of +/- 10%. The component has a maximum DC current rating of 59 mA and a maximum DC resistance of 13 ohms. It operates within a temperature range of -55°C to +105°C, with a minimum Q factor of 45. Physical dimensions are 8.26 mm in length, 3.18 mm in width, and 3.68 mm in height.

Fixed Inductors Feature Summary

• Shielded construction for reduced electromagnetic interference
• Iron core design for stable inductance performance
• Surface mount package for automated PCB assembly

Fixed Inductors Applications

• RF circuit filtering
• Impedance matching networks
• Signal processing applications

Fixed Inductors Procurement Notes

Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as documentation indicates non-compliance. Check manufacturing lifecycle status, as similar models may be obsolete. Ensure supply chain sources provide valid traceability documents. Validate component specifications against official datasheets before integration into production designs.

Fixed Inductors Selection Notes

Select this component for RF applications requiring 68 uH inductance with tight tolerance requirements. Consider the 59 mA current limit when designing power stages. Evaluate thermal management capabilities given the -55°C to +105°C operating range. Compare physical footprint constraints against available PCB space. Assess shielding effectiveness needs relative to surrounding circuit components.

Fixed Inductors Part Context

This component is part of the Delevan MIL1331 series of shielded surface-mount inductors. The series provides standardized dimensions for consistent placement across various RF designs. Similar models include variations in inductance values such as 390 nH or 82 uH while maintaining identical physical footprints. The series supports high-reliability applications in military and aerospace sectors.

Fixed Inductors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult manufacturer recommendations for equivalent components if this specific model is discontinued.