744877008

Arrays, Signal Transformers Overview

The Würth Elektronik 744877008 is a WE-DD series shielded coupled inductor array featuring two coils in an SMD package. It offers 8.2 µH nominal inductance with ±20% tolerance. Electrical characteristics include 1.7 A RMS current and 2.9 A saturation current in parallel configuration, or 850 mA RMS and 1.45 A saturation in series. The component has a maximum DC resistance of 110 mΩ (parallel) or 440 mΩ (series). Dimensions are 7.30 mm x 7.30 mm x 4.80 mm, operating from -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil magnetic coupling for space-efficient circuit design
• Shielded construction minimizes electromagnetic interference
• Configurable series or parallel connection modes

Arrays, Signal Transformers Applications

• DC-DC converter input/output filtering
• Power supply common-mode noise suppression
• Signal integrity enhancement in high-speed digital circuits

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm exact electrical tolerances and packaging type. Ensure the ordering part number matches the required lead time and moisture sensitivity level. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required within a constrained footprint. Evaluate the thermal performance at the target operating temperature range. Confirm that the saturation current ratings meet the peak load requirements of the specific application circuit without causing inductance degradation.

Arrays, Signal Transformers Part Context

This component belongs to the WE-DD series of power chokes designed for surface-mount technology. The series provides shielded inductors suitable for dense PCB layouts. The 744877008 variant specifically addresses applications needing coupled magnetic elements for noise reduction or phase shifting in compact electronic systems.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-DD series with identical pinout and mechanical dimensions. Verify that alternative parts match the 8.2 µH inductance and current handling capabilities. Ensure compatibility with existing assembly processes and soldering profiles.