SDQ12-3R3-R

Arrays, Signal Transformers Overview

The SDQ12-3R3-R is a low-profile, dual-winding shielded drum inductor manufactured by Eaton Electronics Division. It features a metal composite core and operates within a temperature range of -40°C to +125°C. The component provides an inductance of 3.61 µH with a tolerance of ±20%. It supports a rated current of 1.28 A and a saturation current of 1.6 A. The DC resistance is specified at 152.7 mΩ. Designed for surface mount applications, it utilizes standard terminations and is available in cut tape or reel packaging.

Arrays, Signal Transformers Feature Summary

• Dual-winding architecture integrated into a single shielded package
• Low-profile physical design suitable for space-constrained PCB layouts
• Shielded construction minimizes electromagnetic interference

Arrays, Signal Transformers Applications

• Power supply circuits requiring compact dual-inductor solutions
• Point-of-load conversion stages
• Telecommunications equipment power management

Arrays, Signal Transformers Procurement Notes

Verify the specific electrical parameters against the official Eaton datasheet before integration. Confirm that the dual-winding configuration aligns with the circuit schematic requirements. Ensure the operating temperature range meets the environmental specifications of the final assembly. Check for any recent product change notifications regarding this part number.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-winding inductor is required in a low-profile form factor. The 3.61 µH value and 1.28 A rating suit moderate power applications. Consider the shielded design for noise-sensitive environments. Evaluate the 152.7 mΩ DC resistance impact on overall efficiency compared to alternative single-winding options.

Arrays, Signal Transformers Part Context

This component belongs to the SDQ series from Eaton Electronics Division, which specializes in low-profile shielded drum inductors and transformers. The series is designed for surface mount technology (SMT) applications. The SDQ12-3R3-R specifically denotes the 12mm case size variant with a 3.3 µH nominal inductance code.

Arrays, Signal Transformers Replacement Considerations

No direct substitute part numbers are confirmed in the provided documentation. Alternative components must be evaluated based on matching dual-winding topology, similar inductance values, and compatible physical dimensions.