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. 187-3469
Mfr. Part No.DSS1NB32A223Q91A
BrandMurata
£0.096
Each (In a Pack of 1500)
Units
6A 100 V dc Through Hole Solder - - DSS1NB3 40kHz 8.5mm 3.5mm - 7.5mm 8.5 x 3.5 x 7.5mm -
RS Stock No. 883-8033
Mfr. Part No.FN406B-8.4-02
BrandSchaffner
£6.963
Each (In a Pack of 50)
Units
8.4A 250 V ac - PC Pin 1 Single Stage FN406 DC to 400Hz 45mm 15mm 100nF 29.5mm 45 x 15 x 29.5mm 300 μH
RS Stock No. 136-8835
Mfr. Part No.FLLD3016AMHT3
BrandKEMET
£84.87
Each
Units
16A 530/305 V ac Chassis Mount Terminal Block 3 - FLLD3 50 → 60Hz 250mm 45mm - 70mm 250 x 45 x 70mm -
New
RS Stock No. 216-3092
Mfr. Part No.A-EN2090-6-F-RS
£16.06
Each
Units
6A 250 V Chassis Mount Fast-On 1 - 90 50-60Hz - - - - - -
New
RS Stock No. 218-6269
Mfr. Part No.DR334A-253AE
BrandBourns
£0.347
Each (On a Reel of 1500)
Units
500mA 42 V ac, 80 V dc Panel Mount - 1 - DR334A 10000Hz - - - - - -
RS Stock No. 144-7148
Mfr. Part No.YFF21PC0J226MT000N
BrandTDK
£0.302
Each (On a Reel of 4000)
Units
4A 6.3 V dc Surface Mount Solder - - YFF-P 0.04 → 1000MHz 2mm 1.25mm 22µF 0.85mm 2 x 1.25 x 0.85mm -
RS Stock No. 186-3514
Mfr. Part No.6EQ1
£32.259
Each (In a Box of 8)
Units
6A 250 V ac Flange Mount Spade 1 - Corcom Q 50/60Hz 126.5mm 45.7mm - 57.7mm 126.5 x 45.7 x 57.7mm -
RS Stock No. 186-3729
Mfr. Part No.6EHT3
£19.03
Each
Units
6A 250 V ac Flange Mount Wire Lead 1 - Corcom HT 50/60Hz 85.9mm 46mm - 54.6mm 85.9 x 46 x 54.6mm -
RS Stock No. 136-8834
Mfr. Part No.FLLD3007AMHT3
BrandKEMET
£77.65
Each
Units
7A 530/305 V ac Chassis Mount Terminal Block 3 - FLLD3 50 → 60Hz 190mm 40mm - 70mm 190 x 40 x 70mm -
RS Stock No. 186-3513
Mfr. Part No.6MV1
£24.448
Each (In a Box of 12)
Units
6A 250 V ac Flange Mount Spade 1 - Corcom MV 50/60Hz 98mm 38.9mm - 52.8mm 98 x 38.9 x 52.8mm -
RS Stock No. 186-3512
Mfr. Part No.15EHT1
£62.293
Each (In a Box of 4)
Units
15A 250 V ac Flange Mount Spade 1 - Corcom HT 50/60Hz 138.4mm 55.4mm - 100.6mm 138.4 x 55.4 x 100.6mm -
RS Stock No. 186-3511
Mfr. Part No.6EH1
£9.878
Each (In a Box of 56)
Units
6A 250 V ac Flange Mount Spade 1 - Corcom H 50/60Hz 57.2mm 16.7mm - 64.2mm 57.2 x 16.7 x 64.2mm -
RS Stock No. 2508377812
Mfr. Part No.FN3025HL-50-72
BrandSchaffner
£109.97
Each
Units
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