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Product Detailed Parameters
- Description：CMC 500UH 1A 2LN 1 KOHM SMD
- Series：SRF0905
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：150mOhm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.362" L x 0.236" W (9.20mm x 6.00mm)
- Height (Max)：0.209" (5.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：500 µH @ 100 kHz
- Impedance @ Frequency：1 kOhms @ 1 MHz
- Qualification：-
- Grade：-
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Overview
The Bourns SRF0905-501Y is a surface-mount common mode filter choke designed for EMI suppression in electronic circuits. It features an inductance of 500 µH with a tolerance of ±50% and a maximum DC current rating of 1 A. The component exhibits a minimum impedance of 1 kΩ at 1 MHz and operates within a temperature range of -40°C to +105°C. Its compact 0905 package measures 9.2 mm x 6 mm x 5 mm, utilizing ferrite core material and tin-plated terminals for reliable PCB integration.
Feature Summary
- Provides effective electromagnetic interference suppression through high common mode impedance characteristics.
Applications
- EMI filtering in data communication lines
- Noise reduction in power supply input stages
- Signal integrity protection in industrial control systems
Procurement Notes
Verify the specific suffix 'Y' against the manufacturer's official datasheet to confirm terminal plating composition and reel packaging specifications. Ensure the selected variant matches the required RoHS compliance status and operating temperature range for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when space-constrained designs require a single-channel common mode choke with moderate current handling capabilities. The 0905 footprint suits applications needing compact EMI filtering solutions where standard through-hole components are impractical. Evaluate thermal performance under continuous load conditions to ensure operation remains within the specified -40°C to +105°C range.
Part Context
This part belongs to the Bourns SRF0905 series of surface-mount common mode chokes. The series offers various inductance values optimized for different frequency ranges. The SRF0905-501Y specifically targets applications requiring 500 µH inductance for broadband noise attenuation in compact electronic assemblies.
Replacement Considerations
Consult the official Bourns cross-reference documentation for verified substitute part numbers. Do not assume functional equivalence based solely on similar inductance or current ratings without verifying impedance curves and physical dimensions.
