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Product Detailed Parameters
- Description：CMC 3.9MH 380MA 2LN TH
- Series：UU
- Mfr：Sumida America Components Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：380mA
- DC Resistance (DCR) (Max)：1.2Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.650" L x 0.433" W (16.50mm x 11.00mm)
- Height (Max)：0.650" (16.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：3.9 mH @ 1 kHz
- Impedance @ Frequency：-
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Overview
The UU9LFNP-B392 is a common mode filter choke manufactured by Sumida America Components Inc. It features an inductance of 3.9 mH at 1 kHz and supports a maximum DC current of 380 mA. The component has a maximum DC resistance of 0.35 ohms and operates within a temperature range of -40°C to +85°C. Its physical dimensions are 16.5 mm in length, 11 mm in width, and 16.5 mm in height. The device utilizes a vertical mounting style with four PC pins for through-hole installation.
Feature Summary
- Designed as a power line filter for AC applications
- Vertical mounting configuration with four PC pins
- Low frequency common mode noise suppression
Applications
- AC power line filtering
- Common mode noise suppression in electronic circuits
Procurement Notes
Verify the specific suffix against official Sumida documentation to confirm pin configuration and tolerance ratings. Ensure the selected variant matches the required 3.9 mH inductance and 380 mA current handling capabilities for your design. Cross-reference the package dimensions with your PCB layout constraints before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring through-hole common mode chokes for AC power lines. Consider the 380 mA current rating and 3.9 mH inductance values to ensure compatibility with your signal integrity requirements. Verify that the vertical package dimensions fit within the available board space and that the operating temperature range meets environmental specifications.
Part Context
This component belongs to the UU Series of common mode chokes from Sumida. These devices are engineered for effective noise reduction in low-frequency applications. The series offers various inductance values and current ratings to suit different power line filtering needs across industrial and consumer electronics.
Replacement Considerations
Consult Sumida's official substitution guide for verified alternatives. Ensure any replacement maintains identical inductance, current rating, and physical footprint specifications.
