Power Line Filters

A power line filter is a type of passive component that creates an electronic filter to deliver appropriate frequency characteristics to electrical circuits. Power line filters connect the electronic device with an external line to reduce conducted frequencies like radio frequencies (RFI) or electromagnetic interference (EMI) between the equipment and the connecting power line. This prevents any degradation in the circuit's performance.


What are power line filters used for

Power line filters are useful in emission reduction in switched-mode power supplies or machinery producing steam, smoke or carbon dioxide. These filters are also necessary to decrease levels of electromagnetic interference which may cause undesired behaviour in radio transmission equipment and nuclear operations.


Types of power line filters

Power line filters can be used in single phase, three phase or DC (direct current) power applications, depending on the equipment in question. Electric and electronic devices like switched-mode power supplies, motor controllers, induction cooking and food service equipment make use of single phase filters. Three phase filters are common in frequency converters, motor drives, and machine tools. DC filters are typically found in cell phones, flat screen TVs and electric or hybrid vehicles.



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Filters

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Description Price Maximum Current Rating Maximum Voltage Rating Mounting Type Termination Style Number of Phases Number of Stages Series Operating Frequency Length Depth Capacitance Height Dimensions Inductance
RS Stock No. 883-8024
Mfr. Part No.FN406B-6-02
BrandSchaffner
HK$80.824
Each (In a Pack of 50)
units
6A 250 V ac - PC Pin 1 Single Stage FN406 DC to 400Hz 45mm 15mm 100nF 29.5mm 45 x 15 x 29.5mm 780 μH
RS Stock No. 213-7154
Mfr. Part No.B84115E0000B110
BrandEPCOS
HK$618.82
Each
units
10A 250 V ac/dc Flange Mount Tab 1 Two Stage B84115E 60Hz 159mm 50.8mm 0.47 x 2 μF, 22 x 2 nF 44.5mm 159 x 50.8 x 44.5mm 3.6 x 2 mH, 47 μH
New
RS Stock No. 209-4285
Mfr. Part No.25KEBS6AFPD
HK$1,314.39
Each (In a Box of 25)
units
20A 440 V ac Chassis Mount - 3 - KEB 50 → 60Hz - - - - - -
RS Stock No. 882-6380
Mfr. Part No.FN3258-7-45
BrandSchaffner
HK$1,203.47
Each
units
7A 3 x 480/277 V ac Chassis Mount Terminal Block 3 Single Stage FN 3258 0 → 60Hz 190mm 40mm - 70mm 190 x 40 x 70mm -
RS Stock No. 782-4083
Mfr. Part No.5500.2264
BrandSchurter
HK$506.84
Each
units
2A 250 V ac DIN Rail Screw - Two Stage FMAC RAIL 50 → 60Hz 102mm 61mm 1.5 nF, 100 nF, 470 nF 48mm 102 x 61 x 48mm 10 x 2 mH
RS Stock No. 124-5292
Mfr. Part No.B84112G0000M030
BrandEPCOS
HK$181.04
Each
units
3A 250 V ac/dc Chassis Mount Lug, Tab Connector 1 Single Stage B84112G 50 → 60Hz 63mm 51mm 0.22 x 2µF 29mm 63 x 51 x 29mm 10 x 2 mH
RS Stock No. 185-7120
Mfr. Part No.810911008
HK$163.527
Each (In a Tray of 9)
units
8A 250 V Chassis Mount Fast-On 1 - WE-CLFS 50/60Hz 64mm 35mm - 29mm 64 x 35 x 29mm -
RS Stock No. 186-3599
Mfr. Part No.3EEA1
HK$100.275
Each (In a Box of 40)
units
3A 250 V ac Flange Mount Spade - - Corcom EEA 50/60Hz 50.3mm 20.6mm - 54.6mm 50.3 x 20.6 x 54.6mm -
RS Stock No. 188-0358
Mfr. Part No.3-103-707
BrandSchurter
HK$243.04
Each
units
6A 250 V ac/dc DIN Rail - 1 - FPBB 50 Hz, 60 Hz 25mm 89.5mm - 85mm 25 x 89.5 x 85mm -
RS Stock No. 185-7130
Mfr. Part No.810912020
HK$190.48
Each (In a Tray of 8)
units
20A 250 V Chassis Mount Fast-On 1 - WE-CLFS 50/60Hz 75mm 51.8mm - 29mm 75 x 51.8 x 29mm -
RS Stock No. 806-8120
Mfr. Part No.RES10F16
HK$135.01
Each
units
16A 250 V ac Chassis Mount Fast-On 1 - RES10 DC → 400Hz 71mm 45mm 9.4 nF, 100 nF 29mm 71 x 45 x 29mm 700 μH
RS Stock No. 756-8424
Mfr. Part No.744233121
HK$13.424
Each (In a Bag of 5)
units
280mA 50 V dc Surface Mount SMD - - WE-CNSW 10 → 1000MHz 1.2mm 1.2mm - 2mm 2 x 1.2 x 1.2mm -
RS Stock No. 144-7113
Mfr. Part No.YFF15PC0G435MT000N
BrandTDK
HK$0.414
Each (On a Reel of 10000)
units
2A 4 V dc Surface Mount Solder - - YFF-P 0.2 → 1000MHz 1.05mm 0.65mm 4.3µF 0.45mm 1.05 x 0.65 x 0.45mm -
RS Stock No. 186-3569
Mfr. Part No.10EMC6
HK$187.698
Each (In a Box of 10)
units
10A 250 V ac Flange Mount Threaded Bolt 1 - Corcom EMC 50/60Hz 99.9mm 38.9mm - 52.6mm 99.9 x 38.9 x 52.6mm -
New
RS Stock No. 207-7452
Mfr. Part No.FLLE2010ARDB
BrandKEMET
HK$267.736
Each (In a Box of 18)
units
10A 300 V ac/dc Chassis Mount - 1 - FLLE2-R 50-60Hz - - - - - -
RS Stock No. 210-465
BrandRS PRO
HK$324.81
Each
units
6A 250 V ac Chassis Mount Tab - Single Stage EFNF 400Hz 46mm 75mm 0.1 x 2 μF, 2200 x 2 pF 19mm 46 x 75 x 19mm 2 x 0.9 mH
RS Stock No. 292-868
Mfr. Part No.FN2030-6-06
BrandSchaffner
HK$172.24
Each
units
6A 250 V ac Chassis Mount Tab - Single Stage FN2030 400Hz 71mm 46.6mm 4.7 nF, 470 nF 22.3mm 71 x 46.6 x 22.3mm 8 mH
RS Stock No. 882-6116
Mfr. Part No.FN258P-180-07
BrandSchaffner
HK$6,660.20
Each
units
180A 3 x 480/277 V ac Chassis Mount Wire Lead 3 Two Stage FN258 0 → 60Hz 438mm 110mm - 240mm 438 x 110 x 240mm -
New
RS Stock No. 207-7457
Mfr. Part No.FLLE2010AUDB
BrandKEMET
HK$313.773
Each (In a Box of 12)
units
10A 300 V ac/dc Chassis Mount - 1 - FLLE2-U 50-60Hz - - - - - -
RS Stock No. 217-0779
Mfr. Part No.FN 402-2.5/02
BrandSchaffner
HK$110.24
Each
units
2.5A 250 V ac Through Hole Pin - Single Stage FN402 400Hz 45mm 28mm 2.2 nF, 100 nF 16.5mm 45 x 28 x 16.5mm 2 mH