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Product Detailed Parameters
- Description：CMC 0.85UH 230 OHM 3.5A SMD
- Series：SRF4532TA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：3.5A
- DC Resistance (DCR) (Max)：50mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 125°C
- Ratings：AEC-Q200
- 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：850 nH @ 100 kHz
- Impedance @ Frequency：230 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF4532TA-231Y is a surface-mount common mode choke designed for signal line protection. It features an impedance of 230 ohms at 100 MHz and an inductance of 850 nH at 100 kHz. The component supports a maximum DC current of 3.5 A with a maximum DC resistance of 50 milliohms. Rated for 50 VDC, it operates within a temperature range of -55°C to +125°C. The device is housed in a compact 4532 (1812 metric) package and complies with the AEC-Q200 automotive qualification standard.
Feature Summary
- Provides high-current handling capability up to 3.5 A for robust signal integrity
- Meets AEC-Q200 automotive reliability standards for demanding environments
- Utilizes a compact 4532 surface-mount footprint for space-constrained designs
Applications
- Automotive electronic systems requiring AEC-Q200 compliance
- High-speed data bus noise suppression
- Signal line filtering in compact consumer electronics
Procurement Notes
Verify the specific suffix 'Y' against the manufacturer's latest datasheet to confirm packaging details and tolerance specifications. Ensure the selected variant matches the required impedance and current ratings for the target circuit design before finalizing procurement orders.
Selection Notes
Select this component when a low-inductance, high-current common mode filter is required for high-frequency noise attenuation. The 4532 package size offers a balance between performance and board space efficiency. Verify that the 3.5 A current rating exceeds the application's peak operating current to prevent saturation.
Part Context
This part belongs to the Bourns SRF4532TA series of shielded common mode chip inductors. The series is engineered for applications requiring high current capacity and low DC resistance. The TA designation typically indicates specific shielding or construction characteristics within the broader SRF4532 family.
Replacement Considerations
Cross-reference with other SRF4532TA variants such as SRF4532TA-421Y for different impedance requirements. Ensure any substitute maintains the 4532 package dimensions and meets the same AEC-Q200 automotive qualification if used in regulated automotive applications.
