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Product Detailed Parameters
- Description：CMC 158MH 300MA 2LN TH
- Series：SSHB21H
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：3.2Ohm
- 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：158 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSHB21H-R031580 is a dual-mode common mode choke filter designed for through-hole mounting. It features a nickel-zinc ferrite core and provides an inductance of 158 mH at 10 kHz. The component supports a maximum current of 300 mA with a DC resistance of 3.2 Ohms. Rated for 250 VAC, it operates within a temperature range of -25°C to 120°C. Physical dimensions are approximately 21 mm in length and width, with a height of 15.5 mm.
Feature Summary
- Dual-mode operation combining common mode and differential mode filtering capabilities
- High impedance design utilizing nickel-zinc ferrite material for effective noise suppression
- Compact low-profile construction suitable for space-constrained printed circuit board layouts
Applications
- AC line input filtering for single-phase power supplies
- Electromagnetic interference suppression in consumer electronics
- Noise reduction in medical equipment power circuits
Procurement Notes
Verify the specific suffix R031580 against official KEMET documentation to confirm the 158 mH inductance and 300 mA rating. Ensure the procurement specification matches the required through-hole package dimensions and operating temperature range. Confirm RoHS compliance status directly from the manufacturer's latest datasheet before finalizing orders.
Selection Notes
Select this component when high attenuation across both common and differential modes is required for AC lines. The 158 mH value offers significant impedance at standard switching frequencies. Consider the 300 mA current rating to ensure adequate margin for peak load conditions. The through-hole format provides robust mechanical stability compared to surface mount alternatives.
Part Context
This part belongs to the KEMET SSHB21H series of high-impedance AC line filters. The series is characterized by compact size and lightweight construction. These filters are engineered to meet stringent electromagnetic compatibility requirements for electronic devices connected to alternating current mains.
FAQ
What is the inductance value of the SSHB21H-R031580?
The inductance is 158 mH measured at a frequency of 10 kHz.
Does this component support differential mode filtering?
Yes, the SSHB21H series is classified as a dual-mode choke, providing both common mode and differential mode filtering.
