7446121018

$2.54

Description：CMC 18MH 500MA 2LN TH
Series：WE-LF
Mfr：Würth Elektronik
Package：Tray

SKU:2c398c743adb Category: Common Mode Chokes Brand: Würth Elektronik

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Product introduction

Product Detailed Parameters

Description：CMC 18MH 500MA 2LN TH
Series：WE-LF
Mfr：Würth Elektronik
Package：Tray
Filter Type：Power Line
Number of Lines：2
Current Rating (Max)：500mA
DC Resistance (DCR) (Max)：750mOhm
Voltage Rating - DC：-
Voltage Rating - AC：250V
Operating Temperature：-40°C ~ 125°C
Ratings：-
Approval Agency：-
Features：-
Mounting Type：Through Hole
Size / Dimension：0.728" L x 0.531" W (18.50mm x 13.50mm)
Height (Max)：0.807" (20.50mm)
Package / Case：Vertical, 4 PC Pin
Inductance @ Frequency：18 mH @ 10 kHz
Impedance @ Frequency：-
Qualification：-
Grade：-

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7446121018

Overview

The Würth Elektronik 7446121018 is a through-hole current-compensated common mode choke from the WE-LF Type SV series. It provides an inductance of 18 mH with a rated DC current of 500 mA and a maximum DC resistance of 0.75 Ohms. Designed for power line filtering, this component operates within a temperature range of -40°C to +105°C.

Feature Summary

Current-compensated design for effective noise suppression
Through-hole mounting configuration
High inductance value for power line applications

Applications

Power line filtering
EMI suppression in electronic circuits

Procurement Notes

Verify the specific part number 7446121018 against official Wurth Elektronik datasheets to confirm electrical parameters such as 18 mH inductance and 500 mA rating. Ensure compatibility with through-hole assembly processes and required thermal operating ranges before procurement.

Selection Notes

Select this component for applications requiring high inductance in a through-hole package. Consider the 500 mA current rating and 0.75 Ohm resistance when designing power lines. Compare against surface-mount alternatives if space constraints exist.

Part Context

This component belongs to the WE-LF Type SV series of common mode chokes. The series is characterized by current-compensated designs suitable for filtering applications. Wurth Elektronik manufactures these components to meet specific electromagnetic interference requirements.

Replacement Considerations

The Würth Elektronik 7446121018 may be substituted with other 18 mH common mode chokes having similar current ratings and through-hole packages. Verify pinout and physical dimensions for compatibility.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.