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Product Detailed Parameters
- Description：CMC 5MH 300MA 2LN TH
- Series：SU
- Mfr：KEMET
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：3Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.669" L x 0.433" W (17.00mm x 11.00mm)
- Height (Max)：0.669" (17.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：5 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SU9V-03050 is a through-hole common mode filter choke designed for AC line noise suppression. It features an inductance of 5 mH at 1 kHz and supports a maximum DC current rating of 300 mA. The component has a maximum DC resistance of 3 ohms and is rated for 250 VAC. It operates within a temperature range of -40°C to +120°C. The physical dimensions are 17 x 11 x 17 mm, utilizing a vertical-mount bobbin style construction.
Feature Summary
- Vertical-mount through-hole construction for PCB integration
- Common mode noise filtering for AC power lines
- High thermal stability with operation up to 120°C
Applications
- AC power line EMI suppression
- Switching power supply input filtering
- Consumer electronics noise reduction
Procurement Notes
Verify the specific ordering suffix and package variant against the official KEMET datasheet before procurement. Confirm that the 300 mA current rating and 5 mH inductance meet the circuit requirements. Ensure the 250 VAC voltage rating is sufficient for the target application environment. Check for any RoHS or REACH compliance documentation if required by the end-use industry standards.
Selection Notes
Select this component when a 5 mH common mode choke is required for low-current AC applications. The 300 mA rating limits its use to small signal or low-power circuits. The through-hole format dictates PCB layout constraints compared to surface mount alternatives. Verify that the 3 ohm DC resistance does not cause excessive voltage drop in the specific power path design.
Part Context
This component belongs to the KEMET SU-9V series of common mode chokes. The series utilizes a through-hole bobbin design suitable for general-purpose EMI filtering. The SU9V-03050 specifically denotes the 5 mH inductance and 300 mA current class within this product family.
Replacement Considerations
Direct substitutes must match the 5 mH inductance, 300 mA current rating, and 3 ohm DC resistance. Through-hole mounting compatibility is essential. Verify that alternative components support the same 250 VAC rating and 120°C operating temperature range.
