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Product Detailed Parameters
- Description：CMC 3.3MH 1.5A 2LN TH
- Series：RN
- Mfr：Schaffner EMC Inc.
- Package：Tube
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.5A
- DC Resistance (DCR) (Max)：102mOhm (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：0.709" L x 0.492" W (18.00mm x 12.50mm)
- Height (Max)：0.799" (20.30mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：3.3 mH @ 10 kHz
- Qualification：-
- Grade：-
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Overview
The Schaffner RN212-1.5-02-3M3 is a vertical through-hole common mode choke designed for EMI suppression in electronic circuits. It features a ferrite core and offers an inductance of 3.3 mH with a tolerance of -30% to +50%. The component supports a maximum DC current of 1.5 A and has a maximum DC resistance of 102 mOhms. Measuring 18 mm x 12.5 mm x 20 mm, it operates within a temperature range of -40°C to +100°C and is tested at 10 kHz.
Feature Summary
- Provides common mode current-compensated inductance using two windings over a ferrite ring core.
- Designed as an unshielded vertical choke to suppress electromagnetic interference (EMI).
- Constructed with a ferrite core material for effective noise attenuation.
Applications
- General EMI/RFI filtering in power supply lines.
- Noise suppression in compact electronic assemblies requiring vertical mounting.
- Signal integrity protection in industrial control equipment.
Procurement Notes
Verify the complete part number including the suffix to ensure correct inductance and lead configuration. Confirm that the 1.5 A current rating and 3.3 mH inductance align with circuit requirements. Check RoHS compliance status if restricted substances are a constraint. Ensure PCB layout accommodates the specified vertical footprint dimensions.
Selection Notes
Select this component when vertical mounting space is limited but higher inductance is required compared to horizontal variants. The 1.5 A rating suits moderate current applications. Consider the wide inductance tolerance (-30% to +50%) during circuit design to account for performance variations. Verify thermal management capabilities within the -40°C to +100°C operating range.
Part Context
This component belongs to the Schaffner RN series of common mode chokes. These devices utilize a current-compensated design where two windings are placed over a ferrite ring core. The series provides solutions for suppressing conducted electromagnetic interference in various electronic applications, balancing performance with compact physical dimensions.
Replacement Considerations
RN112-1.5-02-3M3 is a horizontal variant with identical electrical specifications. Substitution requires verifying available board space for the different mounting orientation. Other RN series parts may offer different current or inductance ratings; cross-referencing datasheets is necessary to ensure functional equivalence.
