744874003

$2.15

Description：INDUCT ARRAY 2 COIL 3.3UH SMD
Series：WE-DD
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:59c77f8e17ff Category: Arrays, Signal Transformers Brand: Würth Elektronik

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Product introduction

744874003 is listed in the Arrays, Signal Transformers range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is INDUCT ARRAY 2 COIL 3.3UH SMD. Review the specifications below when checking this part for your BOM.

Arrays, Signal Transformers specifications for 744874003

Description：INDUCT ARRAY 2 COIL 3.3UH SMD
Series：WE-DD
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)
Number of Coils：2
Inductance - Connected In Parallel：1.65 µH
Inductance - Connected In Series：6.6 µH
Tolerance：±20%
Current Rating - Parallel：4.91 A
Current Rating - Series：2.455 A
DC Resistance (DCR) - Parallel：21mOhm Max
DC Resistance (DCR) - Series：-
Shielding：Shielded
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：Nonstandard
Size / Dimension：0.492" L x 0.492" W (12.50mm x 12.50mm)
Height：0.256" (6.50mm)
Current Saturation - Parallel：8.9 A
Current Saturation - Series：4.45 A
Ratings：-

Arrays, Signal Transformers datasheet and documents for 744874003

744874003

Arrays, Signal Transformers Overview

The Würth Elektronik 744874003 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features a 1260 package size with dimensions of 12.5 mm x 12.5 mm x 6.5 mm. The component provides an inductance of 3.3 µH with a tolerance of 20%. When connected in series, the total inductance remains 3.3 µH, while parallel connection yields 1.65 µH. It supports a maximum DC current of 4.91 A and has a maximum DC resistance of 22 mΩ. The operating temperature range spans from -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

Dual-coil architecture with configurable series or parallel connectivity
Shielded construction to minimize electromagnetic interference
High current handling capability suitable for power applications

Arrays, Signal Transformers Applications

SEPIC converter designs
Power supply input filtering
DC-DC converter stages

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before integration. Confirm that the 22 mΩ DC resistance aligns with thermal management requirements. Ensure the 4.91 A current rating meets the peak load demands of the target circuit. Check for any recent product change notifications regarding material composition or manufacturing location changes.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded coupled inductor is required for SEPIC or similar topologies. The 1260 footprint offers a balance between current capacity and board space. Consider the 20% tolerance impact on filter characteristics. The wide temperature range supports operation in demanding industrial environments without derating concerns.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of power chokes by Würth Elektronik. These components are engineered for high-efficiency power conversion systems. The series emphasizes low profile and robust shielding. The 744874003 specifically targets applications requiring dual-winding configurations within a small SMD form factor.