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Product Detailed Parameters
- Description：CMC 22MH 250MA 2LN THROUGH HOLE
- Series：PMCU
- Mfr：Premier Magnetics
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：250mA
- DC Resistance (DCR) (Max)：3.7Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 80°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.650" L x 0.441" W (16.50mm x 11.20mm)
- Height (Max)：0.642" (16.30mm)
- Package / Case：-
- Inductance @ Frequency：22 mH @ 1 kHz
- Impedance @ Frequency：-
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Overview
The PMCU-5220 is a miniature EMI/RFI common mode choke manufactured by Premier Magnetics. It features a DC resistance maximum of 3.7 Ohms and an AC voltage rating of 250V. The component operates within a temperature range of -40°C to 80°C and utilizes through-hole mounting. Its inductance is specified at 22mH minimum.
Feature Summary
- Designed for EMI and RFI suppression in signal lines
- Miniature form factor suitable for space-constrained applications
- Through-hole construction for secure board attachment
Applications
- Data line filtering
- Signal conditioning circuits
- Power conversion input/output stages
Procurement Notes
Verify the specific datasheet version for the PMCU-5220 before procurement, as manufacturer documentation may vary. Confirm that the 22mH inductance and 3.7 Ohm DCR specifications align with your circuit requirements. Ensure the through-hole package dimensions fit your PCB layout constraints. Cross-reference the 250V AC rating against your system's operating voltage to prevent insulation breakdown.
Selection Notes
Select the PMCU-5220 when high inductance (22mH) is required for effective common mode noise attenuation in low-current applications. The 3.7 Ohm DC resistance limit suggests suitability for signals where minimal voltage drop is critical. The through-hole option provides mechanical stability compared to surface-mount alternatives. Consider the -40°C to 80°C operating range for standard industrial or commercial environments.
Part Context
This component belongs to the Premier Magnetics PMCU series of EMI/RFI common mode line filters. The series includes various inductance values and pin configurations tailored for data bus transformers and power magnetics applications. The PMCU-5220 specifically addresses miniaturization needs while maintaining robust filtering performance for sensitive electronic interfaces.
Replacement Considerations
Direct substitutes are not explicitly confirmed in public documentation. Evaluate other PMCU series variants based on matching inductance and current ratings. Verify compatibility with existing PCB footprints if considering alternative through-hole common mode chokes from different manufacturers.
