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Product Detailed Parameters
- Description：CMC 30MH 300MA 2LN TH
- Series：RC
- Mfr：Schaffner EMC Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.2Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.689" L x 0.689" W (17.50mm x 17.50mm)
- Height (Max)：0.315" (8.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：30 mH @ 10 kHz
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Overview
The RC112-0.3-30M is a through-hole common mode choke from the Schaffner RB series, designed for high-performance filtering applications. It features an inductance of 30 mH and supports a DC current rating of 300 mA. The component has a maximum DC resistance of 2.2 ohms and operates with a voltage rating of 250 V AC. This two-line filter provides effective electromagnetic interference suppression in compact designs.
Feature Summary
- Provides high attenuation for electromagnetic interference through common mode chokes
- Supports through-hole mounting for reliable PCB integration
- Features current-compensated design for balanced line filtering
Applications
- General-purpose EMI/RFI filtering in electronic equipment
- Power supply input stages requiring common mode noise suppression
- Signal lines needing high inductance at low current levels
Procurement Notes
Verify the manufacturer designation as TE Connectivity / Schaffner or Schaffner EMC Inc. when sourcing. Confirm the package type is bulk and the component status is active. Ensure the specific part number RC112-0.3-30M matches the required 30 mH inductance and 300 mA current rating for your circuit design.
Selection Notes
Select this component when a 30 mH inductance is required for common mode noise reduction at currents up to 300 mA. The 2.2 ohm DC resistance should be considered for power loss calculations. The through-hole package is suitable for standard PCB layouts where space allows for larger components compared to surface mount alternatives.
Part Context
This component belongs to the RC series of common mode chokes manufactured by Schaffner EMC Inc., now part of TE Connectivity. The series offers various inductance and current ratings for different filtering needs. The RC112-0.3-30M specifically targets applications requiring moderate inductance with low current handling capabilities.
Replacement Considerations
The part is also known as 819697-SF. Verify compatibility with existing footprints and electrical specifications before substitution. Ensure any replacement maintains the 30 mH inductance and 300 mA current rating.
FAQ
What is the inductance value of the RC112-0.3-30M?
The inductance value is 30 mH.
Is this component suitable for AC mains applications?
Yes, it has a voltage rating of 250 V AC, making it suitable for such applications within its current limits.
