1537R-72J

Overview

The Delevan 1537R-72J is a fixed axial leaded RF inductor with an inductance of 82 µH and a tolerance of ±5%. It features a molded unshielded coil construction with a maximum DC resistance of 3.9 Ohms and a rated current of 162 mA. The component operates within a temperature range of -55°C to 105°C, exhibits a Q factor of 50 at 2.5 MHz, and has a self-resonant frequency of 10.3 MHz.

Feature Summary

• Molded unshielded coil design for specific RF applications
• Axial through-hole termination style for standard PCB mounting
• Wide operating temperature range suitable for diverse environments

Applications

• RF filtering circuits
• Impedance matching networks
• General purpose radio frequency signal processing

Procurement Notes

Verify the specific suffix 'J' corresponds to the required ±5% tolerance and 82 µH value during procurement. Confirm that the unshielded construction aligns with the electromagnetic interference requirements of the target circuit design before finalizing orders.

Selection Notes

Select this component when an unshielded axial inductor is required for frequencies around 2.5 MHz. Ensure the 162 mA current rating meets the circuit's operational demands and that the 3.9 Ohm DC resistance is acceptable for the application's power loss constraints.

Part Context

This part belongs to the API Delevan 1537 series of fixed RF inductors. The series offers various inductance values and tolerances, utilizing a consistent molded axial package format designed for reliable performance in radio frequency and communication equipment applications.

Replacement Considerations

Direct substitutes must match the 82 µH inductance, ±5% tolerance, 3.9 Ohm DCR, and axial form factor. Verify that any replacement maintains the same self-resonant frequency characteristics and thermal ratings.