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Product Detailed Parameters
- Description：CMC 18.4MH 1A 2LN TH
- Series：SSHB21H
- Mfr：KEMET
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：640mOhm
- 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：18.4 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSHB21H-10184 is a through-hole common mode choke designed for AC line filtering applications. It features an inductance of 18.4 mH and supports a DC current rating of 1 A. The component exhibits a maximum DC resistance of 0.64 ohms and operates within a temperature range starting from -40°C. Rated for 250 VAC, this DualMode filter utilizes a 21 mm package configuration to provide effective noise suppression in electronic circuits requiring robust electromagnetic interference mitigation.
Feature Summary
- DualMode construction for enhanced common mode noise attenuation
- Through-hole mounting for secure PCB integration
- High inductance value for effective low-frequency filtering
Applications
- AC line input filtering
- Electromagnetic interference suppression
- Power supply noise reduction
Procurement Notes
Verify the specific datasheet version and mechanical dimensions against the target PCB footprint before finalizing procurement. Confirm that the 1 A current rating and 0.64 ohm DC resistance align with the circuit's operational requirements. Ensure the through-hole package style matches the assembly process capabilities. Cross-reference the voltage rating with the system's peak operating conditions to guarantee long-term reliability under load.
Selection Notes
Select this component when high inductance is required for common mode noise suppression in AC line applications. The 1 A current rating suits moderate power levels, while the 250 VAC rating provides adequate isolation for standard mains-connected equipment. Consider the through-hole form factor if mechanical stability is prioritized over surface area constraints. Evaluate the thermal performance at the minimum operating temperature of -40°C to ensure functionality in harsh environments.
Part Context
This component belongs to the SSHB21H series of common mode chokes manufactured by KEMET. The series is engineered for general-purpose EMI filtering in AC power lines. The specific model integrates a 21 mm housing design, distinguishing it from smaller surface-mount alternatives. It serves as a passive filtering element to protect downstream electronics from conducted interference originating from the AC source.
FAQ
What is the maximum DC resistance of the SSHB21H-10184?
The maximum DC resistance is 0.64 ohms.
Is the SSHB21H-10184 suitable for high-temperature environments?
The component has a specified minimum operating temperature of -40°C; verify the maximum temperature limit in the official datasheet for high-heat applications.
