ELF-18D290H

Description：CMC 300MA 2LN TH
Series：V
Mfr：Panasonic Electronic Components
Package：Bulk

SKU:c5030786fcc5 Category: Common Mode Chokes Brand: Panasonic Electronic Components

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Product introduction

ELF-18D290H is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists Panasonic Electronic Components. Its product description is CMC 300MA 2LN TH. Review the specifications below when checking this part for your BOM.

Common Mode Chokes specifications for ELF-18D290H

Description：CMC 300MA 2LN TH
Series：V
Mfr：Panasonic Electronic Components
Package：Bulk
Filter Type：-
Number of Lines：2
Current Rating (Max)：300mA
DC Resistance (DCR) (Max)：2.691Ohm (Typ)
Voltage Rating - DC：-
Voltage Rating - AC：-
Operating Temperature：-
Ratings：-
Approval Agency：-
Features：-
Mounting Type：Through Hole
Size / Dimension：0.827" L x 0.630" W (21.00mm x 16.00mm)
Height (Max)：0.886" (22.50mm)
Package / Case：Vertical, 4 PC Pin
Inductance @ Frequency：-
Impedance @ Frequency：-
Qualification：-
Grade：-

Common Mode Chokes datasheet and documents for ELF-18D290H

ELF-18D290H

Common Mode Chokes Overview

The Panasonic ELF-18D290H is a common mode choke filter designed for line filtering applications. It features a 33 µH inductance and supports a maximum current rating of 300 mA. The component has a typical DC resistance of 2.691 Ohms and utilizes a through-hole mounting style. Its physical dimensions are 21.00 mm in length by 16.00 mm in width. This two-line filter belongs to the V series and is currently classified as an obsolete product.

Common Mode Chokes Feature Summary

Provides common mode noise suppression for dual-line circuits
Engineered for through-hole PCB integration
Optimized for low-current line filtering tasks

Common Mode Chokes Applications

AC/DC power supply input stages
Consumer electronics line filtering
Industrial control signal conditioning

Common Mode Chokes Procurement Notes

Verify component availability carefully as this part is officially listed as obsolete. Confirm that alternative components meet the required 300 mA current rating and 33 µH inductance specifications. Ensure the replacement supports through-hole mounting with compatible footprint dimensions. Check for RoHS compliance status if required for specific manufacturing standards. Validate supplier authenticity due to potential end-of-life distribution channels.

Common Mode Chokes Selection Notes

Select this component only when legacy compatibility or specific historical design requirements necessitate its use. Consider modern alternatives if new designs allow, given the obsolete status. Verify that the 2.691 Ohm DC resistance fits within the system's voltage drop constraints. Ensure the 300 mA rating exceeds the maximum expected operational current with adequate margin.

Common Mode Chokes Part Context

This component belongs to Panasonic's ELF series of common mode chokes, specifically the V series variant. It is designed for electromagnetic interference suppression in electronic circuits. The part number indicates specific electrical characteristics including inductance and current handling capabilities. It serves as a passive filtering element in signal and power lines.