Power Line Filters

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Our Power Line Filter range includes single-phase and three-phase types for industrial, medical and general purpose applications.

A power line filter, also called an EMI power line filter, is a passive bi-directional network, which effectively filters out a particular frequency point in the power line, or passes a selected frequency. Designed to block mains-born electromagnetic interference (EMI), power line filters are frequency-selective two-port networks usually comprising inductors, capacitors, and resistors.

They operate as reflection filters, which provide high series impedance and low parallel impedance in the filter stop band, severely mismatching noise source impedance and load impedance; thus transmitting the undesired frequency components back to the noise source.

Choosing a power line filter

When selecting the power line filter, three main indicators should be considered: firstly, voltage and current, then insertion loss, and finally, size and structure. Since the filter is typically potted, environment is not a primary concern. However, the temperature characteristics of all potting materials and filter capacitors have some influence on the environmental characteristics of the power filter.

Insertion loss is one of the most important technical parameters of an EMI power filter. It should be as high as possible to ensure the safety of the equipment in which the filter is used, and the surrounding environment.

Insertion loss is a function of frequency, expressed in dB. Insertion loss of an EMI power line filter includes common mode (CM) insertion loss and differential mode (DM) insertion loss.

Applications for power line filters

EMI power line filters are used in the following applications:
  1. Household appliances
  2. Military/Aerospace Systems
  3. Medical Equipment
  4. Computers
  5. Energy Management Systems
  6. Automotive Battery Charger
  7. Industrial Equipment
 
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Filter Applications Voltage Rating Current Rating No. of Phases No. of Stages Filter Mounting Filter Input Terminals Filter Output Terminals Product Range
 
 
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IHF436
IHF436 - Power Line Filter, Installation, General Purpose, 440 VAC, 36 A, Three Phase, 1 Stage

1187696

Power Line Filter, Installation, General Purpose, 440 VAC, 36 A, Three Phase, 1 Stage

ROXBURGH EMC

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General Purpose 440VAC 36A Three Phase 1 Stage Chassis Mount Stud Stud Multicomp Pro RJ45 Adapter
FN2030Z-20-06
FN2030Z-20-06 - Power Line Filter, Chassis, General Purpose, 250 V, 20 A, Single Phase, 1 Stage, Chassis Mount

1829856

Power Line Filter, Chassis, General Purpose, 250 V, 20 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 20A Single Phase 1 Stage Chassis Mount Stud Stud TUK SGACK902S Keystone Coupler
FLLE2006APDB
FLLE2006APDB - Power Line Filter, General Purpose, 300 VAC, 6 A, Single Phase, 1 Stage, Chassis Mount

3517424

Power Line Filter, General Purpose, 300 VAC, 6 A, Single Phase, 1 Stage, Chassis Mount

KEMET

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General Purpose 300VAC 6A Single Phase 1 Stage Chassis Mount Quick Connect Quick Connect FLLE2-P Series
B84143A0050R000
B84143A0050R000 - Power Line Filter, General Purpose, 480 VAC, 50 A, Three Phase, 1 Stage, Chassis Mount

3409303

Power Line Filter, General Purpose, 480 VAC, 50 A, Three Phase, 1 Stage, Chassis Mount

EPCOS

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General Purpose 480VAC 50A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block B84143A
2499-003-U2MO-101KLF
2499-003-U2MO-101KLF - Power Line Filter, Chassis, General Purpose, 500 V, 20 A, Chassis Mount

1186421

Power Line Filter, Chassis, General Purpose, 500 V, 20 A, Chassis Mount

CTS / TUSONIX

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General Purpose 500V 20A - - Chassis Mount Wire Leaded Wire Leaded Multicomp Pro RJ45 Adapter
MA-2023
MA-2023 - Power Line Filter, General Purpose, 250 VAC, 2 A, Single Phase, 1 Stage, Through Hole

3290516

Power Line Filter, General Purpose, 250 VAC, 2 A, Single Phase, 1 Stage, Through Hole

KEMET

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- 250VAC 2A - - - - - -
10EMC1
10EMC1 - Power Line Filter, General Purpose, 250 VAC, 10 A, Single Phase, 2 Stage, Chassis Mount

9586474

Power Line Filter, General Purpose, 250 VAC, 10 A, Single Phase, 2 Stage, Chassis Mount

CORCOM - TE CONNECTIVITY

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General Purpose 250VAC 10A Single Phase 2 Stage Chassis Mount Quick Connect Quick Connect EMC
BNX016-01
BNX016-01 - Power Line Filter, Amusement Equipment, Displays, Digital AV Equipment, PC Peripheral Equipment

1828969

Power Line Filter, Amusement Equipment, Displays, Digital AV Equipment, PC Peripheral Equipment

MURATA

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Amusement Equipment, Displays, Digital AV Equipment, PC Peripheral Equipment 25V 15A - - - - - Multicomp Pro Screw
FN2090-4-06
FN2090-4-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 4 A, Single Phase, 2 Stage, Chassis Mount

1304857

Power Line Filter, Chassis, General Purpose, 250 VAC, 4 A, Single Phase, 2 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 4A Single Phase 2 Stage Chassis Mount Quick Connect Quick Connect FN 2090
FN2030-10-06
FN2030-10-06 - Power Line Filter, Chassis, General Purpose, 250 V, 10 A, Single Phase, 1 Stage, Chassis Mount

1304846

Power Line Filter, Chassis, General Purpose, 250 V, 10 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250V 10A Single Phase 1 Stage Chassis Mount Quick Connect Quick Connect FN 2030 Series
FN2060-16-06
FN2060-16-06 - Power Line Filter, General Purpose, 250 VAC, 16 A, Single Phase, 2 Stage, Chassis Mount

1191381

Power Line Filter, General Purpose, 250 VAC, 16 A, Single Phase, 2 Stage, Chassis Mount

SCHAFFNER

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- 250VAC 16A - - - - - -
FN2010-1-06
FN2010-1-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 1 A, Single Phase, 1 Stage, Chassis Mount

1191358

Power Line Filter, Chassis, General Purpose, 250 VAC, 1 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 1A Single Phase 1 Stage Chassis Mount Quick Connect Quick Connect FN 2000
FN2090-6-06
FN2090-6-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 6 A, Single Phase, 2 Stage, Chassis Mount

1304858

Power Line Filter, Chassis, General Purpose, 250 VAC, 6 A, Single Phase, 2 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 6A Single Phase 2 Stage Chassis Mount Quick Connect Quick Connect FN 2090
FN2010-6-06
FN2010-6-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 6 A, Single Phase, 1 Stage, Chassis Mount

1191364

Power Line Filter, Chassis, General Purpose, 250 VAC, 6 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 6A Single Phase 1 Stage Chassis Mount Quick Connect Quick Connect FN 2000
FN2060-10-06
FN2060-10-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 10 A, Single Phase, 2 Stage, Chassis Mount

1191375

Power Line Filter, Chassis, General Purpose, 250 VAC, 10 A, Single Phase, 2 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 10A Single Phase 2 Stage Chassis Mount Quick Connect Quick Connect FN 2000
FN2030-30-08
FN2030-30-08 - Power Line Filter, Chassis, General Purpose, 250 V, 30 A, Single Phase, 1 Stage, Chassis Mount

1304849

Power Line Filter, Chassis, General Purpose, 250 V, 30 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250V 30A Single Phase 1 Stage Chassis Mount Stud Stud FN 2030
NFE61PT472C1H9L
NFE61PT472C1H9L - Power Line Filter, EMIFIL, 50 VDC, 2 A, 4700 pF, 1000 Mohm

9528229

Power Line Filter, EMIFIL, 50 VDC, 2 A, 4700 pF, 1000 Mohm

MURATA

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- 50VDC 2A - - - SMD SMD EMIFIL NFE61P Series
FN2010-10-06
FN2010-10-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 10 A, Single Phase, 1 Stage, Chassis Mount

1191360

Power Line Filter, Chassis, General Purpose, 250 VAC, 10 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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- 250VAC 10A - - - - - -
2499-508-X5W0-502Z
2499-508-X5W0-502Z - Power Line Filter, General Purpose, 250 VAC, 20 A, Chassis Mount

1834832

Power Line Filter, General Purpose, 250 VAC, 20 A, Chassis Mount

CTS / TUSONIX

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General Purpose 250VAC 20A - - Chassis Mount Wire Leaded Wire Leaded TUK SGACK902S Keystone Coupler
FN3256H-16-29
FN3256H-16-29 - Power Line Filter, Chassis, General Purpose, 520 VAC, 16 A, Three Phase, 1 Stage, Chassis Mount

2134565

Power Line Filter, Chassis, General Purpose, 520 VAC, 16 A, Three Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 520VAC 16A Three Phase 1 Stage Chassis Mount Terminal Block Terminal Block FN 3256
BNX022-01L
BNX022-01L - Power Line Filter, EMIFIL, 50 V, 10 A

1114996

Power Line Filter, EMIFIL, 50 V, 10 A

MURATA POWER SOLUTIONS

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- -V 10A - - - - - -
FN2090-20/06
FN2090-20/06 - LINE FILTER

1695641

LINE FILTER

SCHAFFNER

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General Purpose 250VAC 20A Single Phase 2 Stage Chassis Mount Quick Connect Quick Connect FN 2090 Series
FN2090-10-06
FN2090-10-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 10 A, Single Phase, 2 Stage, Chassis Mount

1304861

Power Line Filter, Chassis, General Purpose, 250 VAC, 10 A, Single Phase, 2 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 10A Single Phase 2 Stage Chassis Mount Quick Connect Quick Connect FN 2090
FN2010-3-06
FN2010-3-06 - Power Line Filter, Chassis, General Purpose, 250 VAC, 3 A, Single Phase, 1 Stage, Chassis Mount

1191363

Power Line Filter, Chassis, General Purpose, 250 VAC, 3 A, Single Phase, 1 Stage, Chassis Mount

SCHAFFNER

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General Purpose 250VAC 3A Single Phase 1 Stage Chassis Mount Quick Connect Quick Connect FN 2000
BNX024H01L
BNX024H01L - Power Line Filter, Amusement Equipment, Displays, Digital AV Equipment, PC Peripheral Equipment

2494141

Power Line Filter, Amusement Equipment, Displays, Digital AV Equipment, PC Peripheral Equipment

MURATA

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Amusement Equipment, Displays, Digital AV Equipment, PC Peripheral Equipment 50V 15A - - - SMD SMD EMIFIL BNX02 Series