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SNG-25B-600

Part Number	SNG-25B-600
Manufacturer	KEMET
Description	Earth Inductors
Published	Dec 4, 2019
Detailed Description	AC Line Filters Earth Inductors, SNG Series Overview The KEMET SNG coils are earth inductors with a wide variety of char...
Datasheet	SNG-25B-600 PDF File

Overview

AC Line Filters Earth Inductors, SNG Series Overview The KEMET SNG coils are earth inductors with a wide variety of characteristics.
These coils are designed with our proprietary ferrite cores and are useful noise countermeasures for ground wires.
Applications • Industrial equipment • Home appliances Benefits • Proprietary 700L and 5H ferrite material and equivalents • Ground wire noise suppression • Wide variety of sizes and specifications • Operating temperature range from −25°C to +105°C • UL 94 V–2 flame retardant rated cap • TÜV approved (for the Mn-Zn ferrite parts) Part Number System SNG- Series SNG 19 Core Size Code 19 25 D Core Type Blank = Mn-Zn ferrite D = Ni-Zn ferrite A- Core Case Type A = Normal B = With fixing hole 014 Inductance (µH) +50%/−30% 0xx = xx µH xxx = xxx µH Examples: 014 = 14 µH 600 = 600 µH © KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.
kemet.
com One world.
One KEMET LF0062_SNG • 6/14/2019 1 AC Line Filters – Earth Inductors, SNG Series Magnetic Permeability of Ferrite Material In order to achieve most efficient noise reduction, it is important to select the material according to the target frequency band.
Depending on its magnetic permeability, a particular ferrite material will be effective in a certain frequency band.
A schematic representation of the relationship between the magnetic permeability of each material and the corresponding effective band range is shown in Figure 1.
Materials with higher magnetic permeability are effective in the lower frequency range, while those with lower magnetic permeability are effective in the higher frequency range.
Thus, Mn-Zn products are mainly used for reducing conduction noise, while Ni-Zn products are commonly used for radiation noise countermeasures.
The effective frequency range varies depending on core shape, size and number of windings.
This frequency dependence of the magnetic permeability...

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