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.

RS offer an extensive range of high-quality power line filters from leading brands including Schaffner, Roxburgh EMC, Murata, Schurter and of course RS PRO.

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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Cosel, NAP Series 30A 250 V 60Hz, DIN Rail Power Line Filter, DIN Connector, Single Phase RS庫存編號 220-191 製造零件編號 NAP-30-472-D 个 HK$196.10 數量	Cosel	30A	250 V	DIN Rail	DIN Connector	1	-	NAP Series	60Hz	-	-	-	-	-	-	-	-	-	-	-
Cosel, EAP Series 10A 250 V 60Hz, DIN Rail Power Line Filter, DIN Connector, Single Phase RS庫存編號 220-154 製造零件編號 EAP-10-472-D 个 HK$139.90 數量	Cosel	10A	250 V	DIN Rail	DIN Connector	1	-	EAP Series	60Hz	-	-	-	-	-	-	-	-	-	-	-
Cosel, SNA Series 3A 50 V 60Hz, DIN Rail Power Line Filter, DIN Connector 2 Phase RS庫存編號 220-145 製造零件編號 SNA-03-223-D 个 HK$119.10 數量	Cosel	3A	50 V	DIN Rail	DIN Connector	2	-	SNA Series	60Hz	-	-	-	-	-	-	-	-	-	-	-
EPCOS, B84142A*166 16A 250 V ac/dc 50 → 60Hz, Chassis Mount EMC Filter, Tab, Single Phase RS庫存編號 170-1357 製造零件編號 B84142A0016A166 个（每带 24 ） HK$280.863 數量	EPCOS	16A	250 V ac/dc	Chassis Mount	Tab	1	Single Stage	B84142A*166	50 → 60Hz	63mm	51mm	-	38mm	63 x 51 x 38mm	-	1.73 mA	-25°C	+100°C	-	10mΩ
TE Connectivity, Corcom B 10A 250 V ac 50/60Hz, Flange Mount RFI Filter, Fast-On, Single Phase RS庫存編號 161-5473 製造零件編號 6609020-9 个 (以毎袋：35) HK$132.611 數量	TE Connectivity	10A	250 V ac	Flange Mount	Fast-On	1	Single Stage	Corcom B	50/60Hz	57.2mm	16.8mm	-	64.3mm	57.2 x 16.8 x 64.3mm	-	-	-10°C	+40°C	-	-
Schaffner FN 343 Series 1A 250 V ac 400Hz Chassis Mount RFI Filter, with Tab Terminals RS庫存編號 167-8250 製造零件編號 FN343-1-05 个 HK$433.00 數量	Schaffner	1A	250 V ac	Chassis Mount	Tab	-	Two Stage	FN 343	400Hz	70mm	-	2.2 nF, 100 nF	30.3mm	-	5.9 mH, 9.5 mH, 460 μH	0.34 mA	-25°C	+100°C	-	1MΩ
onsemi EMI Filter RS庫存編號 145-3994 製造零件編號 NZF220DFT1G 个（每带 3000 ） HK$1.801 數量	onsemi	-	-	-	-	-	-	-	-	2.2mm	1mm	-	-	2.2 x 1.35 x 1mm	-	-	-	-	-	-
onsemi EMI Filter RS庫存編號 162-9219 製造零件編號 NUF4403MNT1G 个（每带 3000 ） HK$2.643 數量	onsemi	-	-	-	-	-	-	-	-	1.6mm	1mm	-	-	1.6 x 1.6 x 1mm	-	-	-	-	-	-
KEMET, FLLD4 200A 530/305 V ac 50 → 60Hz, Chassis Mount EMC Filter, Terminal Block 3 Phase RS庫存編號 136-8851 製造零件編號 FLLD4200ATHT7 个 HK$6,058.20 數量	KEMET	200A	530/305 V ac	Chassis Mount	Terminal Block	3	-	FLLD4	50 → 60Hz	280mm	140mm	-	170mm	280 x 140 x 170mm	-	11 mA	-25°C	+100°C	-	-
EPCOS, B84143A*R106 10A 520 V ac 50 → 60Hz, Flange Mount EMC Filter, Screw 3 Phase RS庫存編號 167-8202 製造零件編號 B84143A0010R106 个 (以毎盒：4) HK$911.30 數量	EPCOS	10A	520 V ac	Flange Mount	Screw	3	Single Stage	B84143A*R106	50 → 60Hz	150mm	57.5mm	-	58mm	150 x 57.5 x 58mm	-	3.1 mA	-25°C	+100°C	-	5.5mΩ
Schaffner, FN410 500mA 250 V ac 400Hz, PCB Mount EMC Filter, Pin, Single Phase RS庫存編號 167-6759 製造零件編號 FN410-0.5-02 个 HK$199.80 數量	Schaffner	500mA	250 V ac	PCB Mount	Pin	1	Two Stage	FN410	400Hz	72mm	33mm	2.2 nF, 33nF	19mm	72 x 33 x 19mm	24 x 2 mH	373 mA	-25°C	+100°C	-	-
Omron, A1000 400 V ac RFI Filter 3 Phase RS庫存編號 161-3492 製造零件編號 A1000FIV3030SEV1 个 HK$1,067.40 數量	Omron	-	400 V ac	-	-	3	-	A1000	-	304mm	56mm	-	-	304 x 184 x 56mm	-	-	-	-	-	-
Omron 200 V ac RFI Filter, Single Phase RS庫存編號 161-3496 製造零件編號 AXFIM1024SEV1 个 HK$380.20 數量	Omron	-	200 V ac	-	-	1	-	-	-	110mm	166mm	-	-	110 x 50 x 166mm	-	-	-	-	-	-
TE Connectivity, Corcom AYO 10A 250 V ac 50/60Hz, Flange Mount RFI Filter, Spade 3 Phase RS庫存編號 164-6506 製造零件編號 6609066-3 个 (以毎袋：10) HK$366.01 數量	TE Connectivity	10A	250 V ac	Flange Mount	Spade	3	Single Stage	Corcom AYO	50/60Hz	85.6mm	38.7mm	-	52.5mm	85.6 x 38.7 x 52.5mm	-	-	-10°C	+40°C	-	-
EPCOS, B84143A*R106 50A 520 V ac 50 → 60Hz, Flange Mount EMC Filter, Screw 3 Phase RS庫存編號 167-8203 製造零件編號 B84143A0050R106 个 (以毎盒：2) HK$1,552.85 數量	EPCOS	50A	520 V ac	Flange Mount	Screw	3	Single Stage	B84143A*R106	50 → 60Hz	217mm	84.5mm	-	80mm	217 x 84.5 x 80mm	-	3.4 mA	-25°C	+100°C	-	1.1mΩ
TE Connectivity, Corcom EP 20A 250 V ac 50/60Hz, Flange Mount RFI Filter, Threaded Bolt, Single Phase RS庫存編號 186-3516 製造零件編號 20EP6 个 (以毎盒：8) HK$518.675 數量	TE Connectivity	20A	250 V ac	Flange Mount	Threaded Bolt	1	Two Stage	Corcom EP	50/60Hz	127.3mm	45.2mm	-	45.2mm	127.3 x 45.2 x 45.2mm	-	-	-10°C	+40°C	-	-
TE Connectivity, Corcom W 6A 250 V ac 50/60Hz, Flange Mount RFI Filter, Fast-On, Single Phase RS庫存編號 186-3499 製造零件編號 6VW1 个 (以毎盒：12) HK$251.742 數量	TE Connectivity	6A	250 V ac	Flange Mount	Fast-On	1	-	Corcom W	50/60Hz	98mm	38.9mm	-	52.8mm	98 x 38.9 x 52.8mm	-	-	-10°C	+40°C	-	-
TE Connectivity, Corcom MV 6A 250 V ac 50/60Hz, Flange Mount Power Line Filter, Fast-On, Single Phase RS庫存編號 186-3513 製造零件編號 6MV1 个 (以毎盒：12) HK$262.408 數量	TE Connectivity	6A	250 V ac	Flange Mount	Fast-On	1	-	Corcom MV	50/60Hz	98mm	38.9mm	-	52.8mm	98 x 38.9 x 52.8mm	-	-	-10°C	+40°C	-	-
TE Connectivity, Corcom MV 20A 250 V ac 50/60Hz, Flange Mount Power Line Filter, Fast-On, Single Phase RS庫存編號 186-3696 製造零件編號 20MV1 个 HK$527.50 數量	TE Connectivity	20A	250 V ac	Flange Mount	Fast-On	1	-	Corcom MV	50/60Hz	132.8mm	38.9mm	-	106.7mm	132.8 x 38.9 x 106.7mm	-	-	-10°C	+40°C	-	-
Schurter, FPBB 10A 250 V ac/dc 50Hz, DIN Rail Power Line Filter, Single Phase RS庫存編號 188-0362 製造零件編號 3-103-708 个 HK$231.70 數量	Schurter	10A	250 V ac/dc	DIN Rail	-	1	-	FPBB	50 Hz, 60Hz	25mm	89.5mm	-	85mm	25 x 89.5 x 85mm	-	0.5 mA	-40°C	+100°C	-	35mΩ