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Product Detailed Parameters
- Description：CMC 100MH 500MA 2LN TH
- Series：RN
- Mfr：Schaffner EMC Inc.
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：500mA (Typ)
- DC Resistance (DCR) (Max)：2.9Ohm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：UR, VDE
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.303" L x 1.280" W (33.10mm x 32.50mm)
- Height (Max)：0.787" (20.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：100 mH @ 10 kHz
- Qualification：-
- Grade：-
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Overview
The Schaffner RN143-0.5-02 is a current-compensated common mode choke from the RN series, designed for PCB mounting via through-hole termination. It features a ferrite core and operates within a temperature range of -40°C to +100°C. The component has a maximum DC current rating of 0.5 A and an inductance of 100 mH with tolerances of -30% to +50%. Measuring 33.1 mm x 32.5 mm x 19.7 mm, it is unshielded and tested at 10 kHz.
Feature Summary
- Current-compensated design for effective common mode noise suppression
- Horizontal PCB mount configuration with through-hole pins
- Ferrite core construction for stable electromagnetic performance
Applications
- Electromagnetic compatibility filtering in electronic systems
- Power supply input stages requiring common mode noise reduction
- Industrial machinery control circuits
Procurement Notes
Verify the specific inductance value against the datasheet, as suffixes like '100M' may indicate 100 mH while other variants differ. Confirm pin spacing and height constraints fit the target PCB layout. Ensure the 0.5 A current rating meets the application's peak load requirements without saturation.
Selection Notes
Select this component when a low-current (0.5 A) common mode choke is required for horizontal board mounting. Compare against the RN143-6-02-1M8 for higher current needs or the RN143-1-02 for different inductance levels. Verify that the unshielded design does not interfere with nearby sensitive components due to magnetic field exposure.
Part Context
Part of the Schaffner RN series of current-compensated chokes, widely used in EMC applications. The RN143-0.5-02 serves as a lower-current alternative to the 6A RN143-6-02-1M8. It shares the same physical footprint and mounting style as other RN143 variants, facilitating design flexibility across power ratings.
Replacement Considerations
RN143-0.5-02-100M is a verified equivalent part number offering identical specifications. Cross-reference with RN143-1-02 if higher inductance is acceptable. No direct substitute exists for the 6A RN143-6-02-1M8 due to significant current differences.
