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Product Detailed Parameters
- Description：CMC 5UH 500MA 8LN 520 OHM SMD
- Series：CDF
- Mfr：Coilcraft
- Package：Strip
- Filter Type：Signal Line
- Number of Lines：8
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：180mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.315" L x 0.315" W (8.00mm x 8.00mm)
- Height (Max)：0.177" (4.50mm)
- Package / Case：16-BQFN
- Inductance @ Frequency：5 µH @ 1 MHz
- Impedance @ Frequency：520 Ohms @ 42 MHz
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Overview
The Coilcraft CDF8500LD is a surface-mount common mode choke designed for data line applications. It features an inductance of 5 µH and offers an impedance of 520 Ohms at the specified frequency. The component supports a maximum DC current of 500 mA with a maximum DC resistance of 180 mOhms. Its physical dimensions are 8 mm in length, 8 mm in width, and 4.5 mm in height. The device operates within a temperature range of -40°C to +85°C and complies with RoHS standards.
Feature Summary
- Designed specifically for filtering noise on high-speed data lines
- Compact surface-mount package suitable for space-constrained layouts
- RoHS compliant construction for environmental safety
Applications
- Automotive LED driver circuits
- Industrial application data interfaces
- Power over Data Line (PoDL) systems
- Automotive LVDS connections
Procurement Notes
Verify the specific suffix 'LD' against the manufacturer's latest datasheet to confirm pinout and packaging configuration. Ensure the selected variant matches the required operating temperature range and current ratings for the target design environment. Cross-reference part numbers with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when designing for data lines requiring moderate common mode noise suppression with limited current capacity. The 500 mA rating suits low-power signal transmission rather than power delivery. Consider the 8x8 mm footprint for PCB layout constraints and verify compatibility with automated assembly processes given the surface-mount form factor.
Part Context
This component belongs to the CDF8500 series of data line common mode chokes from Coilcraft. The series is engineered for automotive and industrial environments where reliable signal integrity is critical. The LD suffix typically denotes specific packaging or compliance attributes within the product family, distinguishing it from other variants in the same inductance class.
Replacement Considerations
Consult official substitution guides for equivalent inductance and current ratings. Verify that alternative components match the 8x8 mm footprint and 4.5 mm height to ensure mechanical compatibility without board redesign.
FAQ
What is the maximum DC current rating for the CDF8500LD?
The maximum DC current rating is 500 mA.
Does the CDF8500LD meet RoHS standards?
Yes, the CDF8500LD is RoHS compliant.
