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Product Detailed Parameters
- Description：CMC 8.2MH 500MA 2LN TH
- Series：WE-TFC
- Mfr：Würth Elektronik
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：1.3Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：400V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.669" L x 0.433" W (17.00mm x 11.00mm)
- Height (Max)：0.669" (17.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：8.2 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744862082 is a WE-TFC series current-compensated common mode power line choke designed for PCB mounting. It features an inductance of 8.2 mH at 10 kHz with a maximum DC resistance of 1.3 ohms and a rated DC current of 500 mA. The component operates within a temperature range of -40°C to +125°C and utilizes a through-hole radial termination style.
Feature Summary
- Current-compensated design for effective common mode noise suppression
- Radial through-hole construction for secure PCB integration
- Wide operating temperature range suitable for demanding environments
Applications
- Power line filtering in electronic equipment
- Common mode interference suppression in AC/DC circuits
- EMI reduction in industrial control systems
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct electrical characteristics and mechanical dimensions. Confirm RoHS compliance status and packaging details directly with authorized distributors or the manufacturer before finalizing procurement orders.
Selection Notes
Select this component when a current-compensated common mode choke is required for power line applications. Ensure the 500 mA current rating and 8.2 mH inductance meet the circuit requirements. Verify that the radial through-hole package fits the available PCB footprint and that the thermal performance aligns with the system's operating conditions.
Part Context
This part belongs to the WE-TFC series from Würth Elektronik, specialized for common mode filtering. It is distinct from other WE-TFC variants by its specific 8.2 mH inductance and 500 mA current rating. The series is engineered for robust EMI suppression in power supply inputs and signal lines.
Replacement Considerations
Consult the official Wurth Elektronik substitution guide for verified alternatives. Cross-reference inductance, current rating, and physical dimensions to ensure compatibility without modifying the existing PCB layout or circuit performance.
FAQ
What is the inductance value of the 744862082?
The inductance is 8.2 mH measured at 10 kHz.
What is the maximum DC current rating?
The maximum DC current rating is 500 mA.
