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Product Detailed Parameters
- Description：CMC 37.8MH 600MA 2LN TH
- Series：SSHB21HS
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：600mA
- DC Resistance (DCR) (Max)：1.48Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 130°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.024" L x 0.906" W (26.00mm x 23.00mm)
- Height (Max)：0.610" (15.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：37.8 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSHB21HS-06378 is a dual-mode common mode filter choke designed for AC line filtering applications. It features a through-hole mounting style with a single channel configuration. The component provides an inductance of 37.8 mH at a test frequency of 10 kHz, supporting a maximum DC current of 600 mA. Its maximum DC resistance is 1.48 ohms. Rated for 250 VAC, it operates within a temperature range of -25°C to +130°C. Physical dimensions include a diameter of 26 mm, width of 23 mm, and height of 15.5 mm, with a lead diameter of 0.8 mm.
Feature Summary
- Dual-mode filtering capability for enhanced noise suppression
- Through-hole PCB mount construction for secure installation
- High inductance value for effective common mode interference reduction
Applications
- AC line input filtering in power supplies
- Electromagnetic interference (EMI) suppression in electronic equipment
- Common mode noise reduction in industrial control systems
Procurement Notes
Verify the specific datasheet version for the SSHB21HS-06378 to confirm RoHS compliance details and exact mechanical tolerances. Ensure that the operating environment remains within the specified -25°C to +130°C range to maintain performance integrity. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm that the through-hole footprint matches the design layout requirements before finalizing procurement orders.
Selection Notes
Select this component when high inductance is required for low-frequency common mode noise attenuation in AC line applications. The 600 mA current rating suits moderate power levels, while the dual-mode design addresses both common and differential mode interference. Consider the physical dimensions and through-hole requirement during PCB layout planning. Verify thermal management needs given the self-heating characteristics under full load conditions.
Part Context
This component belongs to the KEMET SSHB21HS series of AC line filters. The series offers various inductance values tailored for different EMI suppression needs. The SSHB21HS-06378 specifically targets applications requiring higher inductance compared to lower-value variants in the same family. It shares similar mechanical and mounting characteristics with other parts in the series, ensuring consistency in assembly processes.
Replacement Considerations
Check for direct substitutes within the SSHB21HS series with compatible inductance and current ratings. Verify that any replacement maintains the dual-mode filtering specification and through-hole mounting compatibility. Ensure electrical parameters such as DC resistance and voltage rating meet or exceed original requirements.
