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Product Detailed Parameters
- Description：CMC 4.2MH 2A 2LN TH
- Series：RN
- Mfr：Schaffner EMC Inc.
- Package：Tube
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：2A
- DC Resistance (DCR) (Max)：100mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：300V
- Operating Temperature：-40°C ~ 100°C
- Ratings：-
- Approval Agency：ENEC, UR, VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.886" L x 0.846" W (22.50mm x 21.50mm)
- Height (Max)：0.531" (13.50mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：4.2 mH @ 10 kHz
- Qualification：-
- Grade：-
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Overview
The RN114-2-02-4M2 is a power line common mode choke manufactured by Schaffner EMC Inc. It features an inductance of 4.2 mH and supports a maximum DC current of 2 A with a resistance of 100 mOhm. Rated for 300 V AC at 50/60 Hz, it utilizes horizontal through-hole mounting with four pins. The component operates within a temperature range of -40°C to +100°C and holds ENEC, UR, and VDE approvals.
Feature Summary
- Provides electromagnetic interference suppression in electronic circuits
- Designed for power line applications with high attenuation performance
- Features horizontal chassis or PCB mounting configuration
Applications
- Power supplies
- Battery chargers
- Portable devices
- Energy-efficient systems
Procurement Notes
Verify the specific part number RN114-2-02-4M2 against official Schaffner documentation to confirm electrical ratings and mechanical dimensions. Ensure compatibility with your circuit's voltage and current requirements before integration. Cross-reference approval agencies such as ENEC, UR, and VDE to meet regional safety standards. Confirm package type and pin configuration match your board layout design specifications.
Selection Notes
Select this component when designing circuits requiring common mode noise reduction for single-phase power lines. Consider its 2 A current rating and 4.2 mH inductance for appropriate filtering needs. Evaluate the horizontal form factor for space-constrained layouts. Verify that the operating temperature range suits the intended environment and that required safety certifications are accepted in the target market.
Part Context
This component belongs to the RN series of common mode chokes from Schaffner EMC Inc., now part of TE Connectivity. These filters are engineered for general-purpose EMI suppression in AC power inputs. The series offers various inductance values and current ratings to suit different application demands while maintaining compact physical profiles suitable for modern electronic equipment designs.
Replacement Considerations
Consult official Schaffner or TE Connectivity substitution guides for verified alternatives. Ensure any replacement matches the 4.2 mH inductance, 2 A current rating, and 300 V AC voltage specification. Verify identical mounting style and pin configuration to maintain mechanical compatibility without redesigning the printed circuit board assembly.
