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Power Line Filters: 2,495 Products Found

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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ComparePrice ForQuantity
1186421

RoHS

Each
1+
€16.980
5+
€15.670
10+
€14.360
20+
€13.780
40+
€13.240
More Pricing...
General Purpose
500V
20A
EMI, RFI
-
Radial Leaded
100pF
-
-
Chassis Mount
-
Wire Leaded
Wire Leaded
Multicomp Pro RJ45 Adapter
3409303

RoHS

Date/Lot Code

Each
1+
€240.980
10+
€234.460
General Purpose
480VAC
50A
-
Three Phase
-
-
1 Stage
-
Chassis Mount
-
Terminal Block
Terminal Block
B84143A
2134487

RoHS

Each
1+
€53.760
5+
€49.520
10+
€45.270
General Purpose
250VAC
6A
1 Phase
Single Phase
Screw
-
2 Stage
800µH
DIN Rail Mount
250µA
Terminal Block
Terminal Block
FMBB
1187696

RoHS

Each
1+
€217.950
General Purpose
440VAC
36A
EMI, RFI
Three Phase
Stud
2.2µF
1 Stage
550µH
Chassis Mount
3.5mA
Stud
Stud
Multicomp Pro RJ45 Adapter
2478123

RoHS

Each
1+
€11.850
5+
€11.710
10+
€11.570
20+
€11.400
50+
€11.230
General Purpose
250VAC
1A
1 Phase
Single Phase
Through Hole
-
1 Stage
10mH
Through Hole
420µA
-
-
EOP
3290474

RoHS

Each
1+
€122.210
General Purpose
250VAC
10A
3 Phase
Three Phase
Screw
-
2 Stage
-
Chassis Mount
1mA
Stud
Stud
LF Series
3517424

RoHS

Each
1+
€21.070
5+
€20.190
10+
€19.310
20+
€18.920
General Purpose
300VAC
6A
-
Single Phase
-
-
1 Stage
-
Chassis Mount
-
Quick Connect
Quick Connect
FLLE2-P Series
3517446

RoHS

Each
1+
€37.140
5+
€36.370
10+
€35.590
20+
€34.820
General Purpose
300VAC
16A
-
Single Phase
-
-
2 Stage
-
Chassis Mount
-
Quick Connect
Quick Connect
FLLE2-U Series
9586210

RoHS

Each
1+
€45.540
5+
€43.360
10+
€41.180
-
250VAC
3A
EMI, RFI
-
Quick Connect
1.08µF
-
32.18mH
-
380µA
-
-
-
3409300

RoHS

Date/Lot Code

Each
1+
€190.060
10+
€180.060
General Purpose
480VAC
25A
-
Three Phase
-
-
1 Stage
-
Chassis Mount
-
Terminal Block
Terminal Block
B84143A
3394722

RoHS

Date/Lot Code

Each
1+
€13.890
5+
€13.690
10+
€13.480
20+
€12.650
50+
€11.300
General Purpose
250VAC
1A
EMI, RFI
Single Phase
Wire Leaded
12000pF
1 Stage
1.86mH
Chassis Mount
700µA
Wire Leaded
Wire Leaded
B
3517443

RoHS

Each
1+
€37.490
5+
€36.060
10+
€34.630
20+
€31.940
General Purpose
300VAC
6A
-
Single Phase
-
-
2 Stage
-
Chassis Mount
-
Quick Connect
Quick Connect
FLLE2-U Series
3547799

RoHS

Each
1+
€21.110
General Purpose
250VAC
6A
-
Single Phase
-
-
1 Stage
-
Chassis Mount
-
Screw
Screw
GTX Series
9586237

RoHS

Each
1+
€88.910
5+
€82.600
10+
€76.280
General Purpose
250VAC
20A
EMI, RFI
Single Phase
Quick Connect
4.4µF
2 Stage
6mH
Chassis Mount
380µA
Quick Connect
Quick Connect
Q
2468215

RoHS

Each
1+
€21.860
5+
€18.660
10+
€17.790
20+
€15.940
50+
€15.620
General Purpose
250VAC
10A
-
Single Phase
-
-
1 Stage
-
Chassis Mount
-
Quick Connect
Quick Connect
RES20
3296525

RoHS

Date/Lot Code

Each
1+
€47.660
16+
€41.700
32+
€34.550
112+
€30.980
-
250VAC
10A
Medical
-
Quick Connect
1.5µF
-
3.9mH
-
-
-
-
-
3408824

RoHS

Each
1+
€31.120
16+
€30.270
32+
€29.480
112+
€28.890
256+
€28.300
-
250VAC
10A
-
-
-
-
-
-
-
-
-
-
-
3290468

RoHS

Date/Lot Code

Each
1+
€343.860
5+
€337.930
10+
€332.000
General Purpose
250VAC
40A
1 Phase
Single Phase
Screw
-
2 Stage
-
Chassis Mount
1mA
Stud
Stud
LF Series
3290477

RoHS

Date/Lot Code

Each
1+
€271.820
5+
€266.480
10+
€261.150
General Purpose
250VAC
20A
3 Phase
Three Phase
Screw
-
2 Stage
-
Chassis Mount
1mA
Stud
Stud
LF Series
3586221

RoHS

Each
1+
€176.780
AC/DC Drives, HVAC, Robotics, UPS
440VAC
30A
3 Phase
Three Phase
Terminal Block
-
2 Stage
-
Chassis Mount
10mA
Terminal Block
Terminal Block
KEH-BS
3547803

RoHS

Each
1+
€20.940
General Purpose
250VAC
20A
-
Single Phase
-
-
1 Stage
-
Chassis Mount
-
Screw
Screw
GTX Series
3296523

RoHS

Each
1+
€23.780
24+
€22.620
48+
€21.480
120+
€21.050
264+
€20.620
Medical
250VAC
16A
Medical
Single Phase
Quick Connect
0.47µF
1 Stage
1.8mH
Chassis Mount
-
Quick Connect
Quick Connect
B84112G
3471644

RoHS

Each (Supplied on Cut Tape)
Cut Tape
Packaging Options
10+
€0.451
100+
€0.322
500+
€0.249
1000+
€0.238
2000+
€0.233
More Pricing...
Automotive Electronics
10V
20A
-
-
-
-
-
-
Surface Mount
-
SMD
SMD
EMIFIL NFA21SL
3409311

RoHS

Date/Lot Code

Each
1+
€775.390
General Purpose
480VAC
180A
-
Three Phase
-
-
1 Stage
-
Chassis Mount
-
Terminal Block
Terminal Block
B84143A
3381548

RoHS

Date/Lot Code

Each
1+
€1,052.000
10+
€920.680
General Purpose
530VAC
50A
-
Three Phase
-
-
1 Stage
-
Chassis Mount
-
Terminal Block
Terminal Block
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