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Product Detailed Parameters
- Description：CMC 47MH 250MA 2LN TH
- Series：RC
- Mfr：Schaffner EMC Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：250mA
- DC Resistance (DCR) (Max)：2.4Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.602" L x 0.291" W (15.30mm x 7.40mm)
- Height (Max)：0.693" (17.60mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：47 mH @ 10 kHz
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Overview
The RC212-0.25-47M is a current-compensated common mode choke from the Schaffner RB series, designed for PCB mounting via through-hole termination. It features a ferrite core and operates within a temperature range of -40°C to +125°C. Key electrical specifications include an inductance of 47 mH at 10 kHz with a tolerance of -30% to +50%. The component supports a maximum DC current of 250 mA and has a maximum DC resistance of 2.4 Ohms. It withstands 1.5 kVAC and is rated for 250 VAC.
Feature Summary
- Current-compensated design for high-performance filtering applications
- Through-hole PCB mount construction for secure installation
- Ferrite core material providing effective electromagnetic interference suppression
Applications
- Electromagnetic interference (EMI) filtering in electronic circuits
- Radio frequency interference (RFI) suppression systems
- Power supply input stages requiring common mode noise reduction
Procurement Notes
Verify the manufacturer part number RC212-0.25-47M against official TE Connectivity/Schaffner documentation to ensure authenticity. Confirm that the RoHS compliance status matches current regulatory requirements for your region. Check datasheet specifications for operating temperature limits (-40°C to +125°C) and voltage ratings (250 VAC) to ensure compatibility with your system design constraints before finalizing procurement.
Selection Notes
Select this component when a 47 mH inductance value is required for common mode noise attenuation in low-current applications up to 250 mA. Ensure the through-hole footprint fits the printed circuit board layout. Consider the -30% to +50% inductance tolerance if precise impedance matching is critical. Verify that the 2.4 Ohm DC resistance does not cause excessive voltage drop in the specific circuit path.
Part Context
This component belongs to the Schaffner RB series of EMC/RFI chokes manufactured by TE Connectivity. The series focuses on current-compensated chokes for signal and power line filtering. The RC212-0.25-47M specifically addresses needs for moderate inductance values in compact through-hole packages, serving as a standard solution for basic EMI suppression tasks in consumer and industrial electronics.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided source data. Consult official Schaffner or TE Connectivity cross-reference guides for potential alternatives.
