1537R-68G

Overview

The Delevan 1537R-68G is a fixed, unshielded molded inductor with an axial leaded package designed for through-hole mounting. It features a nominal inductance of 68 µH with a tolerance of ±2%. The component has a maximum DC resistance of 3.3 ohms and a rated current of 176 mA. It exhibits a Q value of 55 at 2.5 MHz and a self-resonant frequency of 11 MHz. The operating temperature range spans from -55°C to 105°C.

Feature Summary

• Molded construction provides mechanical stability for through-hole applications
• Unshielded design suitable for general-purpose filtering where magnetic shielding is not required
• Axial leaded termination facilitates standard PCB insertion

Applications

• EMI filtering in power supply circuits
• Signal conditioning in electronic systems
• General-purpose RF coil applications

Procurement Notes

Verify the specific suffix 'G' against official API Delevan documentation to confirm exact tolerance and material specifications. Ensure the ordering part number matches the required inductance value and current rating for the target circuit design before procurement.

Selection Notes

Select this component when a 68 µH inductance with tight ±2% tolerance is required for through-hole assembly. Consider the 176 mA current rating and 3.3 ohm DC resistance limits during circuit design to ensure proper thermal and electrical performance within the specified temperature range.

Part Context

This component belongs to the Delevan 1537 series of fixed inductors. The series includes various inductance values and tolerances, utilizing molded construction for durability. The 1537R-68G specifically targets applications requiring precise inductance control in unshielded configurations.

Replacement Considerations

Cross-reference with other 68 µH axial inductors from Delevan or other manufacturers, ensuring matching tolerance, current rating, and physical dimensions are maintained for direct substitution.