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Product Detailed Parameters
- Description：CMC 3.7MH 7.6A 2LN 15.5 KOHM TH
- Series：C301369
- Mfr：ITG Electronics, Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：7.6A
- DC Resistance (DCR) (Max)：27mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.339" L x 1.339" W (34.00mm x 34.00mm)
- Height (Max)：1.024" (26.00mm)
- Package / Case：Horizontal, 4 PC Pin
- Inductance @ Frequency：3.7 mH @ 1 kHz
- Impedance @ Frequency：15.5 kOhms @ 1 MHz
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Overview
The C301369B-372NU is a two-line common mode choke manufactured by ITG Electronics, Inc., designed for through-hole mounting. It features an inductance of 3.7 mH measured at 1 kHz with a tolerance of 30%. The component exhibits a DC resistance (DCR) of 27 mOhm and supports a maximum current rating of 7.6A. Common mode impedance is specified as 15.5 kOhms at 1 MHz. The device is rated for an AC voltage of 250V.
Feature Summary
- Provides effective common mode noise suppression for two-line circuits
- Constructed for reliable through-hole PCB integration
- Engineered to handle high current loads up to 7.6A
Applications
- Power supply input filtering
- EMI suppression in electronic equipment
- Signal line protection against common mode interference
Procurement Notes
Verify the complete part number including suffix NU to ensure correct packaging and specifications. Confirm that the 7.6A current rating and 27 mOhm DCR meet your circuit requirements. Check for RoHS compliance status if required by your manufacturing standards. Ensure the through-hole package dimensions fit your board layout constraints before ordering.
Selection Notes
Select this component when a 3.7 mH inductance value is required for common mode noise reduction. The 7.6A current rating makes it suitable for higher power applications compared to lower-rated chokes. Consider the 15.5 kOhm impedance at 1 MHz for high-frequency noise environments. Ensure the through-hole form factor aligns with your assembly process capabilities.
Part Context
This component belongs to the C301369 series of common mode chokes from ITG Electronics. The series offers various inductance values while maintaining similar physical footprints and current handling capabilities. The B-372NU designation specifically identifies the 3.7 mH variant within this product family, distinguishing it from other models like the C301369A-103NU or C301369B-252NU.
Replacement Considerations
Direct substitutes include C301369B-352NU (3.5 mH, 8.2A) and C301369A-103NU (5.3 mH, 7.6A). Verify that the alternative's inductance and current ratings are compatible with your specific application requirements before substitution.
