7440450018

$0.65

Description：FIXED IND 1.8UH 1.7A 100MOHM SMD
Series：WE-LQ
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c580fa7a6321 Category: Fixed Inductors Brand: Würth Elektronik

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Product introduction

7440450018 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 1.8UH 1.7A 100MOHM SMD. Review the specifications below when checking this part for your BOM.

Fixed Inductors specifications for 7440450018

Description：FIXED IND 1.8UH 1.7A 100MOHM SMD
Series：WE-LQ
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Drum Core, Wirewound
Material - Core：Ferrite
Inductance：1.8 µH
Tolerance：±20%
Current Rating (Amps)：1.7 A
Current - Saturation (Isat)：3.5A
Shielding：Unshielded
DC Resistance (DCR)：100mOhm Max
Q @ Freq：45 @ 1MHz
Frequency - Self Resonant：100MHz
Ratings：-
Operating Temperature：-40°C ~ 125°C
Inductance Frequency - Test：1 MHz
Mounting Type：Surface Mount
Package / Case：1812 (4532 Metric)
Supplier Device Package：1812
Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
Height - Seated (Max)：0.114" (2.90mm)
Features：-

Fixed Inductors datasheet and documents for 7440450018

7440450018

Fixed Inductors Overview

The Würth Elektronik 7440450018 is a fixed surface-mount power inductor from the WE-LQ series. It features an unshielded drum core wirewound construction with ferrite material. The component has an inductance of 1.8 µH and a tolerance of ±20%. It supports a maximum DC current of 1.7 A and a saturation current (Isat) of 3.6 A. The DC resistance (DCR) is maximized at 100 mΩ. Operating within a temperature range of -40°C to +125°C, it utilizes an 1812 (4532 Metric) package measuring 4.50mm x 3.20mm x 2.90mm.

Fixed Inductors Feature Summary

Unshielded drum core wirewound design for high current handling
Ferrite magnetic core material optimized for power applications
Robust construction suitable for DC/DC converter environments

Fixed Inductors Applications

DC/DC converter circuits
Power supply filtering
General power electronics signal conditioning

Fixed Inductors Procurement Notes

Verify the manufacturer part number 7440450018 against official Würth Elektronik documentation to ensure authenticity. Confirm that the received components match the specified 1812 package dimensions and electrical parameters. Check for physical damage or solder joint integrity upon arrival. Ensure storage conditions comply with moisture sensitivity level requirements before reflow soldering.

Fixed Inductors Selection Notes

Select this component when an unshielded inductor is required to minimize electromagnetic interference coupling in specific layouts. The 1.8 µH value and 1.7 A continuous current rating suit moderate power conversion stages. Consider the 100 mΩ DCR for efficiency calculations. The wide operating temperature range allows use in demanding thermal environments without derating concerns.

Fixed Inductors Part Context

This part belongs to the WE-LQ series of single coil shielded power inductors designed by Würth Elektronik. These components are engineered for SMD mounting on printed circuit boards. The series provides various inductance values tailored for different power management needs while maintaining consistent mechanical footprints for design flexibility.