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Product Detailed Parameters
- Description：CMC 250UH 1.19A 2LN 400 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)：1.19A
- DC Resistance (DCR) (Max)：35mOhm
- 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：250 µH @ 100 kHz
- Impedance @ Frequency：400 Ohms @ 5 MHz
- Qualification：-
- Grade：-
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Overview
The SRF1006-251Y is a surface mount line filter manufactured by Bourns Inc. It features a common mode choke design with an inductance of 250 µH at 100 kHz and an impedance of 400 Ohms at 5 MHz. The component has a maximum DC resistance (DCR) of 35 mOhm and supports a current rating of 1.19A. It operates within a temperature range of -40°C to 105°C and has a voltage rating of 50V DC.
Feature Summary
- Provides effective electromagnetic interference suppression through common mode filtering capabilities.
- Utilizes a shielded construction to minimize external magnetic field interference.
- Designed for surface mount integration into compact circuit layouts.
Applications
- Line filtering in electronic circuits
- Common mode noise reduction in signal lines
Procurement Notes
Verify the specific electrical parameters against the official manufacturer datasheet before finalizing procurement decisions. Confirm that the operating temperature range and current ratings align with the target application requirements. Ensure compatibility with surface mount assembly processes and check for any specific handling instructions provided by the manufacturer.
Selection Notes
Select this component when designing circuits requiring common mode noise suppression with moderate current handling capabilities. Consider the low DC resistance for efficiency and the wide operating temperature range for reliability in varied environments. Evaluate the physical dimensions to ensure they fit within the available board space constraints.
Part Context
This part belongs to Bourns' series of EMI filter circuits and line filters. It is designed for applications requiring compact, surface-mount solutions for noise suppression. The product is identified by the manufacturer number SRF1006-251Y and is distinct from other variants in the SRF family based on its specific inductance and impedance characteristics.
Replacement Considerations
Consult official substitution guides or manufacturer recommendations for verified alternative part numbers. Do not assume cross-compatibility with other inductors or chokes without verifying electrical specifications and physical footprint dimensions.
FAQ
What is the inductance value of the SRF1006-251Y?
The inductance is 250 µH measured at 100 kHz.
What is the maximum DC resistance of this component?
The maximum DC resistance is 35 mOhm.
