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Product Detailed Parameters
- Description：CMC 5MH 1A 2LN TH
- Series：7100
- Mfr：Bourns Inc.
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：125mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.600" Dia x 0.450" W (15.24mm x 11.43mm)
- Height (Max)：-
- Package / Case：Vertical, No Base, 2 PC Pin
- Inductance @ Frequency：5 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Bourns 7105-RC is a through-hole common mode choke designed to reduce conductive electromagnetic interference (EMI) emissions. It features dual windings with an inductance of 4250 µH at 1 kHz and supports a current capacity of 1 A. The component exhibits a low DC resistance of 0.125 Ohms and provides high impedance at low frequencies. It offers a dielectric strength of 3750 Vrms, ensuring robust isolation for circuit protection applications.
Feature Summary
- Reduces conductive EMI emissions
- High current capacity
- High impedance at low frequency
- Dielectric strength of 3750 Vrms
Applications
- Power supply input filtering
- Signal line noise suppression
- Industrial equipment EMI mitigation
Procurement Notes
Verify the specific suffix (e.g., RC) against the official Bourns datasheet to confirm exact electrical parameters and packaging details. Ensure the through-hole configuration matches the target PCB layout requirements. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current availability status before procurement.
Selection Notes
Select this component when high impedance at low frequencies is required for common mode noise reduction. Verify that the 1 A current rating meets the application's operational demands. Confirm that the through-hole package style is compatible with the manufacturing process. Check that the 3750 Vrms dielectric strength satisfies the insulation requirements of the specific circuit environment.
Part Context
This component belongs to the Bourns common mode choke family, which includes various inductance values and current ratings. The 7105 series is specifically engineered for applications requiring effective EMI suppression in through-hole designs. It complements other magnetic components offered by Bourns for comprehensive circuit protection and signal integrity solutions.
Replacement Considerations
Consult the official Bourns replacement guide or cross-reference tools for verified substitute part numbers. Ensure any alternative component matches the 4250 µH inductance, 1 A current rating, and through-hole package dimensions. Verify compatibility with existing PCB footprints and thermal management requirements before substitution.
