1537R-80H

Overview

The Delevan 1537R-80H is a molded, unshielded axial lead RF inductor with a nominal inductance of 120 µH and a tolerance of ±3%. It features a maximum DC resistance of 5.2 ohms and a rated current of 140 mA. The component has a minimum Q factor of 65 and a self-resonant frequency of 12 MHz. Physical dimensions are 9.53 mm in length and 3.96 mm in diameter. It operates within a temperature range of -55°C to 105°C.

Feature Summary

• Molded construction for mechanical stability
• Unshielded design suitable for flexible layout routing
• Axial termination style for through-hole mounting

Applications

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

Procurement Notes

Verify the specific manufacturer part number against official datasheets to confirm electrical parameters such as inductance value, tolerance, and DC resistance. Ensure that the axial lead configuration and physical dimensions match the target PCB footprint requirements before finalizing procurement decisions.

Selection Notes

Select this component when an unshielded axial inductor is required for RF applications. Consider the 140 mA current rating and 5.2 ohm DC resistance limits. Verify thermal performance within the specified -55°C to 105°C operating range for the intended environment.

Part Context

This component belongs to the 1537R series of fixed inductors manufactured by Delevan. The series provides various inductance values with consistent physical dimensions and mounting styles, facilitating standardized design processes across different RF circuit configurations requiring axial leads.

Replacement Considerations

Cross-reference equivalent models from other manufacturers offering 120 µH axial inductors with similar current ratings and dimensional constraints. Verify compatibility of pin spacing and mounting hole sizes to ensure direct replacement feasibility without PCB redesign.