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Product Detailed Parameters
- Description：CMC 135MH 300MA 2LN TH
- Series：SSHB21HS
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.95Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°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：135 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSHB21HS-R031350 is a dual mode common mode choke designed for AC line filtering applications. It features an inductance of 135 mH and supports a maximum DC current of 300 mA. The component operates within a temperature range of -25°C to +120°C and is rated for 250 VAC. It utilizes through-hole mounting with a physical footprint of 23 mm length, 23 mm width, and 14.5 mm height. The device exhibits a maximum DC resistance of 2.95 Ohms.
Feature Summary
- Dual mode operation combining common mode and differential mode filtering capabilities
- High impedance performance suitable for AC line noise suppression
- Through-hole construction for robust PCB integration
Applications
- AC line input filtering
- Electromagnetic interference (EMI) suppression
- Power supply noise reduction
Procurement Notes
Verify the specific part number against official KEMET documentation to confirm electrical parameters and mechanical dimensions. Ensure compatibility with existing board layouts regarding through-hole spacing and thermal requirements. Cross-reference datasheets for any recent product change notices or specification updates prior to final procurement decisions.
Selection Notes
Select this component when dual-mode filtering is required for AC lines with currents up to 300 mA. Consider the 135 mH inductance value for effective noise attenuation at target frequencies. Evaluate the through-hole package constraints against available PCB real estate and ensure the operating temperature range meets environmental specifications.
Part Context
This component belongs to the SSHB21HS series of dual mode chokes manufactured by KEMET. These devices are engineered for compact AC line filter designs requiring high impedance characteristics. The series supports various current ratings and inductance values to accommodate different power supply filtering needs across industrial and consumer electronics.
Replacement Considerations
Potential substitutes include other KEMET dual mode chokes from the same series with compatible inductance and current ratings. Verify mechanical dimensions and pin configurations before substitution to ensure direct fitment without PCB redesign.
FAQ
What is the maximum DC current rating for the SSHB21HS-R031350?
The maximum DC current rating is 300 mA.
Does this component support both common mode and differential mode filtering?
Yes, it is a dual mode choke providing both common mode and differential mode filtering.
