ER1641-182JR

Fixed Inductors Overview

The ER1641-182JR is a fixed axial leaded inductor from the Delevan ER series, designed for RF applications. It features a molded shielded construction with an iron core. The component has an inductance of 1.8 µH with a ±5% tolerance and a maximum DC resistance of 140 mΩ. It supports a rated current of 755 mA and operates within a temperature range of -55°C to 105°C. Key electrical parameters include a Q value of 44 at 7.9 MHz and a self-resonant frequency of 105 MHz. The physical dimensions are 0.162 inches in diameter by 0.410 inches in length.

Fixed Inductors Feature Summary

• Shielded molded construction utilizing an iron core to minimize electromagnetic interference.
• Axial through-hole mounting configuration suitable for standard PCB layouts.
• High self-resonant frequency capability for effective RF performance.

Fixed Inductors Applications

• RF circuit filtering and impedance matching
• Military and aerospace electronic systems
• General purpose RF signal processing

Fixed Inductors Procurement Notes

Verify compliance with MIL-PRF-39010 standards when sourcing this component. Confirm that the specific variant meets RoHS exemption requirements if applicable to your assembly process. Ensure the supplier provides valid traceability documentation for military-grade specifications. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and avoid counterfeit components during procurement.

Fixed Inductors Selection Notes

Select this inductor based on its 1.8 µH inductance and 755 mA current rating to ensure adequate saturation margins. The shielded design is critical for applications requiring strict EMI control. Verify that the axial package fits the available board space and hole spacing. Consider the operating temperature range to ensure reliability under extreme environmental conditions typical in defense or industrial settings.

Fixed Inductors Part Context

This component belongs to the ER series of fixed inductors manufactured by API Delevan. The series is characterized by high reliability and adherence to military specifications. These inductors are widely used in demanding environments where stability and durability are paramount. The ER1641-182JR specifically offers a balance of inductance and current handling within a compact axial form factor.

Fixed Inductors Replacement Considerations

Direct substitutes must match the 1.8 µH value, ±5% tolerance, and axial package dimensions. Verify equivalent current ratings and DC resistance limits. Components compliant with MIL-PRF-39010/02 are preferred for maintaining system integrity in regulated applications.

Fixed Inductors FAQ

Is the ER1641-182JR shielded?

Yes, the ER1641-182JR features a shielded molded construction to reduce electromagnetic interference.

What is the self-resonant frequency of this inductor?

The self-resonant frequency is specified as 105 MHz.