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Product Detailed Parameters
- Description：CMC 22UH 200MA 2LN 1 KOHM SMD
- Series：SRF4532
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：2.65Ohm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Height (Max)：0.118" (3.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：22 µH @ 100 kHz
- Impedance @ Frequency：1 kOhms @ 10 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF4532-220Y is a bifilar-wound common mode chip inductor designed for EMI suppression in signal and data lines. It features a ferrite core within a compact 4532 surface-mount package measuring 4.5 x 3.2 x 2.8 mm. The component provides an inductance of 22 µH with a tolerance of -30% to +50%. It supports a maximum DC current of 200 mA and exhibits a maximum DC resistance of 2.65 Ohms. The impedance is rated at 1 kOhm at 10 MHz, ensuring effective noise filtering across specified frequency ranges.
Feature Summary
- Bifilar-wound construction optimized for common mode noise suppression
- Ferrite core material for high-frequency signal integrity
- Compact surface-mount design suitable for space-constrained PCB layouts
Applications
- Signal line EMI suppression
- Data line noise filtering
- Common mode choke applications in electronic circuits
Procurement Notes
Verify the specific suffix 'Y' against the manufacturer's official datasheet to confirm packaging configuration and compliance status. Ensure the selected variant matches the required lead time and reel specifications for your assembly process. Cross-reference the part number with authorized distributors to confirm authenticity and traceability before procurement.
Selection Notes
Select this component when a compact common mode choke is required for low-current signal lines. The 22 µH inductance and 200 mA current rating suit sensitive data interfaces. Consider the 4532 footprint constraints and the -40°C to +125°C operating temperature range during circuit design. Verify that the 2.65 Ohm DCR meets voltage drop requirements for the specific application.
Part Context
This component belongs to the Bourns SRF4532 series of common mode chokes. The series offers various inductance values within the same 4532 mechanical envelope. These parts are engineered for high-density electronics where space efficiency and noise reduction are critical. The bifilar winding technique distinguishes these chokes from standard single-wound inductors.
FAQ
What is the maximum DC current rating for the SRF4532-220Y?
The maximum DC current rating is 200 mA.
What is the impedance value at 10 MHz?
The impedance is 1 kOhm at 10 MHz.
