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Product Detailed Parameters
- Description：CMC 520UH 35A 2LN TH AEC-Q200
- Series：C301306H
- Mfr：ITG Electronics, Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：35A
- DC Resistance (DCR) (Max)：3.4mOhm
- Voltage Rating - DC：1000V (1kV)
- Voltage Rating - AC：600V
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.890" L x 1.732" W (48.00mm x 44.00mm)
- Height (Max)：1.339" (34.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：520 µH @ 100 kHz
- Impedance @ Frequency：-
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Overview
The C301306H-521N is a two-line common mode choke manufactured by ITG Electronics, Inc., designed for through-hole mounting. It features an inductance of 520 µH measured at 100 kHz and supports a current rating of 35 A. The component has a DC resistance (DCR) of 3.4 mOhm. It meets the AEC-Q200 automotive qualification standard. The device operates within a temperature range of -40°C to +125°C and utilizes UL 94 V-0 rated materials. Dielectric strength is specified at 2500VAC or 3500VDC between windings.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- High current handling capability of 35 Amperes
- Through-hole package with fixed pin spacing for PCB insertion
- UL 94 V-0 flame retardant material construction
Applications
- Automotive electronic systems requiring EMI suppression
- Switch mode power supply input filtering
- Common mode noise reduction in high-current circuits
Procurement Notes
Verify the specific suffix 'N' against the manufacturer's latest datasheet to confirm lead-free compliance and packaging details. Ensure the required operating temperature range aligns with the -40°C to +125°C specification. Confirm that the 35A current rating meets the application's peak load requirements without saturation. Check for any recent design changes or obsolescence notices from ITG Electronics.
Selection Notes
Select this component when high current capacity is critical alongside common mode noise attenuation. The 520 µH value provides significant impedance at 100 kHz. The through-hole format is suitable for applications requiring robust mechanical stability. Consider the low DCR of 3.4 mOhm for minimizing power loss in high-current paths compared to higher resistance alternatives.
Part Context
This part belongs to the C301306H series of common mode chokes from ITG Electronics. The series offers various inductance values tailored for different filtering needs. These components are characterized by their toroidal core design and dip construction. They are intended for use in environments demanding high reliability and thermal stability.
Replacement Considerations
Consult ITG Electronics for direct cross-references. Verify that any substitute matches the 520 µH inductance, 35A current rating, and 3.4 mOhm DCR. Ensure the replacement also holds AEC-Q200 certification if used in automotive contexts. Physical footprint compatibility must be confirmed for through-hole mounting.
