744870101

Arrays, Signal Transformers Overview

The Würth Elektronik 744870101 is a shielded surface-mount coupled inductor from the WE-DD series. It features two coils with a parallel or series inductance of 100 µH and a tolerance of ±20%. The component has a maximum DC resistance of 0.23 Ohms and supports a maximum DC current of 0.9 A. It operates within a temperature range of -40°C to +125°C. The physical dimensions are 12.5 mm in length, 12.5 mm in width, and 8.5 mm in height.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture designed for SEPIC and flyback converter topologies
• Shielded magnetic structure minimizes electromagnetic interference
• Surface-mount package optimized for automated assembly processes

Arrays, Signal Transformers Applications

• SEPIC converter designs
• Flyback power supply circuits
• Industrial power management systems

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official datasheets to confirm electrical characteristics. Confirm RoHS compliance status through manufacturer documentation. Check lead times as they may vary by region. Ensure storage conditions meet manufacturer guidelines for moisture sensitivity levels prior to soldering.

Arrays, Signal Transformers Selection Notes

Select this component when dual isolated windings are required for non-inverting or inverting buck-boost applications. Evaluate thermal performance at maximum rated current. Compare physical footprint constraints against available PCB space. Verify compatibility with peak current requirements of the target switching regulator topology.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of coupled inductors. The series offers various inductance values ranging from 0.091 µH to 470 µH. Components are designed for high-current industrial applications. The series utilizes a shielded design to reduce noise emissions.

Arrays, Signal Transformers Replacement Considerations

Cross-reference with other WE-DD parts for different inductance values. Verify pinout compatibility before substitution. Check if alternative manufacturers offer similar coupled inductor arrays with matching footprint and electrical ratings.