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Product Detailed Parameters
- Description：CMC 120UH 1.4A 2LN 200 OHM SMD
- Series：SRF1006
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：1.4A
- DC Resistance (DCR) (Max)：25mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.394" L x 0.343" W (10.00mm x 8.70mm)
- Height (Max)：0.256" (6.50mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：120 µH @ 100 kHz
- Impedance @ Frequency：200 Ohms @ 10 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF1006-121Y is a surface-mount common mode choke from the SRF1006 series, designed for EMI suppression in compact circuits. It features an inductance of 120 µH and a maximum DC current rating of 1.4 A. The component has a maximum DC resistance of 25 mΩ and provides an impedance of 200 Ω at 10 MHz. It operates within a temperature range of -40°C to 105°C and utilizes a ferrite core with a shielded structure.
Feature Summary
- Shielded magnetic structure minimizes external electromagnetic interference coupling
- Ferrite core material supports high-frequency noise attenuation
- Surface mount package enables automated PCB assembly
Applications
- EMI suppression in data line filtering
- Noise reduction in USB interface circuits
- Signal integrity protection in portable electronic devices
Procurement Notes
Verify the specific manufacturer datasheet for the SRF1006 series to confirm exact electrical tolerances and thermal characteristics before integration. Ensure that the selected component matches the required footprint dimensions and soldering profile for your manufacturing process. Cross-reference official documentation to validate compliance with relevant environmental standards.
Selection Notes
Select this component when space-constrained designs require effective common mode noise rejection without significant insertion loss. The low DC resistance preserves signal voltage levels while the 1.4 A rating suits moderate current applications. Evaluate the 200 Ω impedance specification against target noise frequencies to ensure adequate attenuation performance.
Part Context
This part belongs to the Bourns SRF1006 series of surface-mount common mode chokes. The series offers various inductance values tailored for different frequency ranges and current requirements. These components are engineered for high reliability in consumer electronics and industrial control systems requiring robust EMI management.
Replacement Considerations
Consult official Bourns documentation for verified substitute part numbers within the SRF1006 series or compatible families. Ensure any replacement maintains identical footprint, inductance tolerance, and current handling capabilities.
