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Product Detailed Parameters
- Description：CMC 159MH 300MA 2LN TH
- Series：SSR
- Mfr：KEMET
- Package：Bulk,Tray
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：2.85Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-25°C ~ 120°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.866" L x 0.630" W (22.00mm x 16.00mm)
- Height (Max)：1.063" (27.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：159 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The KEMET SSR21NVS-031590 is a through-hole common mode choke from the SSR21NVS series. It features an inductance of 159 mH and a maximum DC current rating of 300 mA. The component has a maximum DC resistance of 2.85 ohms and operates at voltages up to 250 VAC. It utilizes proprietary S15H ferrite material for high permeability and impedance across a wide frequency range. The device supports operating temperatures from -25 °C to 120 °C.
Feature Summary
- Utilizes proprietary S15H ferrite material for high permeability
- Provides high impedance in a wide frequency range due to divided bobbin design
- Features compact size, low profile, and lightweight construction
Applications
- AC line filtering
- Common mode noise suppression
- Electromagnetic interference (EMI) reduction
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to ensure correct electrical ratings and physical dimensions. Confirm that the through-hole package style matches the target PCB layout requirements. Check for RoHS compliance status if environmental regulations apply to the final assembly. Ensure the voltage and current ratings meet the circuit specifications before procurement.
Selection Notes
Select this component when high impedance is required over a broad frequency spectrum for common mode noise. The S15H ferrite material offers superior performance compared to standard materials. Consider the through-hole mounting requirement and physical dimensions during board design. Verify that the 300 mA current rating aligns with the application's load conditions.
Part Context
This component belongs to the KEMET SSR21NVS series of AC line filters. The series is designed for common mode applications using specialized ferrite cores. The SSR21NVS-031590 specifically targets circuits requiring 159 mH inductance with a 300 mA current capacity. It is part of a broader family of chokes optimized for EMI suppression in electronic equipment.
Replacement Considerations
The UALN21VS031590 is listed as an alternative designation for this component. Verify compatibility with official substitution lists before replacing.
