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Product Detailed Parameters
- Description：CMC 27MH 800MA 2LN TH
- Series：RN
- Mfr：Schaffner EMC Inc.
- Package：Tube
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：800mA
- DC Resistance (DCR) (Max)：500mOhm (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：0.906" L x 0.610" W (23.00mm x 15.50mm)
- Height (Max)：0.996" (25.30mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：27 mH @ 10 kHz
- Qualification：-
- Grade：-
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Overview
The Schaffner RN214-0.8-02-27M is a vertical through-hole common mode filter choke designed for PCB mounting. It features a ferrite core and operates within a temperature range of -40°C to +100°C. The component provides an inductance of 27 mH with a tolerance of -30% to +50%, tested at 10 kHz. It supports a maximum DC current of 0.8 A and has a maximum DC resistance of 500 mOhms. The physical dimensions are approximately 23.00 mm x 15.50 mm x 25.30 mm, utilizing a four-pin vertical package.
Feature Summary
- Vertical through-hole construction for direct PCB integration
- Ferrite core design for effective electromagnetic interference suppression
- Current compensated choke topology for balanced noise filtering
Applications
- Power supply input filtering
- Electronic equipment EMI suppression
- Signal line noise reduction
Procurement Notes
Verify the specific manufacturer datasheet for precise electrical tolerances and thermal derating curves before finalizing designs. Confirm that the vertical pin configuration matches the target PCB footprint dimensions. Ensure the operating environment remains within the specified -40°C to +100°C range to maintain performance integrity and reliability standards.
Selection Notes
Select this component when a vertical form factor is required for space-constrained PCB layouts. The 27 mH inductance value is suitable for standard low-frequency noise attenuation applications. Consider the 0.8 A current rating against peak load requirements to prevent saturation. The unshielded design may require careful placement relative to sensitive components.
Part Context
This part belongs to the Schaffner RN series of common mode chokes, which are widely used for EMC compliance in electronic devices. The RN series offers various current and inductance combinations to address different filtering needs. This specific model represents a mid-range solution balancing inductance and current capacity for general-purpose power line filtering.
Replacement Considerations
Direct substitutes include RN214-0.5-02-56M and RN214-0.9-02-27M from the same series. Verify compatibility regarding lead spacing and overall height constraints. Alternative manufacturers may offer similar specifications but require validation of core material and thermal characteristics.
