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Product Detailed Parameters
- Description：CMC 300MA 2LN 120 OHM SMD
- Series：CF
- Mfr：Laird-Signal Integrity Products
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：600mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.049" L x 0.039" W (1.25mm x 1.00mm)
- Height (Max)：0.032" (0.82mm)
- Package / Case：0504 (1210 Metric)
- Inductance @ Frequency：-
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The CF0504C121R-10 is a common mode choke manufactured by Laird-Signal Integrity Products, designed for filtering power and signal lines. It features a 0504 (1210 Metric) surface mount package with dimensions of 0.059" length x 0.047" width (1.50mm x 1.20mm). The component provides an impedance of 121 Ohms at 100 MHz and supports a rated current of 300mA. It operates within a temperature range of -40°C to 125°C and has a maximum DC resistance of 500 milliohms.
Feature Summary
- Designed for effective EMI suppression on both low-frequency and high-frequency signal lines
- Capable of withstanding high DC currents without saturation issues
- Utilizes a compact surface mount footprint suitable for dense PCB layouts
Applications
- Power line filtering in portable electronic devices
- Signal integrity protection for data transmission interfaces
- Noise suppression in automotive electronics systems
Procurement Notes
Verify the specific suffix configuration against official datasheets to ensure correct impedance and current ratings. Confirm RoHS compliance status as manufacturing updates may alter environmental declarations. Cross-reference manufacturer part numbers with distributor codes to avoid ordering errors due to naming variations or obsolete stock listings.
Selection Notes
Select this component when space constraints require a 0504 package size while maintaining significant current handling capabilities. Ensure the target application frequency aligns with the 121 Ohm impedance specification at 100 MHz. Verify that the operating temperature range meets the environmental requirements of the final assembly location.
Part Context
This component belongs to Laird-Signal Integrity Products' lineup of passive filtering solutions. Common mode chokes in this series are engineered to attenuate electromagnetic interference across various industrial and consumer applications. The product line emphasizes reliability and consistent performance under varying electrical loads.
Replacement Considerations
Direct substitutes include other Laird models within the same series with compatible package sizes. Equivalent parts from other manufacturers must match the 0504 footprint, 300mA rating, and 121 Ohm impedance at 100 MHz to ensure functional parity.
