380VAC 100A emi power line filter rf shielding
A line filter is the kind of electronic filter that is placed between electronic equipment and a line external to it, to attenuate conducted radio frequencies -- RFI, also known as electromagnetic interference (EMI) -- between the line and the equipment. In particular, an AC Line Filter is used between the AC power line and the equipment (SMPS or an Electronic Circuit).
A line filter may be used to attenuate EMI in either direction. For example:
- Emissions: It may be used to reduce the unintentional conducted emission from the equipment, to a level sufficiently low to pass regulatory limits (such as FCC part 15). For example, in switching power supplies.
- Immunity: It may be used to reduce the level of EMI entering the equipment, to a level sufficiently low not to cause any undesired behavior. For example, in equipment used in Radio Transmitter facilities
The attenuation of Line filters is measured in 2 areas:
- Common Mode - attenuation to signals that appear identically on each of the wires going through the filter
- Differential Mode - attenuation to signals that appear on just one of the lines
For each Mode, the attenuation is characterized over the frequency spectrum, and measured in dB
RATED VOLTAGE | 380 VAC |
RATED CURRENT | 100 A |
Voltage Drop | Less than 1V |
Overload | 140% of rated current for 15 minutes |
Harmonic Distortion | Less than 2% @ full rated current |
Leakage Current | ≤0.2A@380/230VAC and 50Hz |
Dielectric Withstanding Voltage | 1000VDC (line to line) 1000VDC (line to case) |
DC Insulation Resistance | As Per MIL-STD-202 Method 202 |
Terminal Strength | As Per MIL-STD-202 Method 211 |
Temperature Rise | As Per MIL-F-15733 |
Insertion Loss | ≥100dB@14K-40GHz As Per MIL-STD-220A, Under Load Condition |
Climatic Classification | 25/070/21 |
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