Feed Through Capacitors – Mouser United Kingdom

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SFSWG & SFSWR EMI Panel Filters

Syfer / Knowles SFSWG and SFSWR Electromagnetic Interference (EMI) Panel Filters are feedthrough capacitors featuring a hermetic glass seal with a flange end. These Syfer / Knowles EMI panel filters offer a 10pF to 33nF wide capacitance range and voltage ratings of 100V, 200V, and 500V. The SFSWG and SFSWR provide high insulation resistance of 10GΩ or 1000ΩF and a wide operating temperature range of -55°C to +125°C. Applications include EMI suppression, medical imaging equipment, military communication devices, and high-reliability power and signal lines.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Capacitance	Voltage Rating DC	Termination Style	Tolerance	Number of Terminals	Length	Diameter	Product	Current Rating	Minimum Operating Temperature	Maximum Operating Temperature	Dielectric	Series	Packaging
Feed Through Capacitors 200V 22nF +/-20% Bottom end seal SFSWR2000223MX0 Knowles Syfer 1: £18.09 98In Stock New Product	Mfr. Part No. SFSWR2000223MX0 Mouser Part No 843-SFSWR2000223MX0 New Product	Knowles Syfer	Feed Through Capacitors 200V 22nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	98In Stock	£18.09 £13.83 £12.37 £11.19 View £10.76 Quote	Min.: 1 Mult.: 1	22 nF	200 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 10nF +/-20% Bottom end seal SFSWR5000103MX0 Knowles Syfer 1: £18.09 64In Stock 36Expected 09/12/2026 New Product	Mfr. Part No. SFSWR5000103MX0 Mouser Part No 843-SFSWR5000103MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 10nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	64In Stock 36Expected 09/12/2026	£18.09 £13.83 £12.37 £11.19 View £10.76 Quote	Min.: 1 Mult.: 1	10 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 1.5nF +/-20% Bottom end seal SFSWR5000152MX0 Knowles Syfer 1: £18.04 92In Stock 8On Order New Product	Mfr. Part No. SFSWR5000152MX0 Mouser Part No 843-SFSWR5000152MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 1.5nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	92In Stock 8On Order	£18.04 £13.80 £12.34 £11.16 View £10.73 Quote	Min.: 1 Mult.: 1	1.5 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 330pF +/-20% Bottom end seal SFSWR5000331MC0 Knowles Syfer 1: £18.38 59In Stock 7On Order New Product	Mfr. Part No. SFSWR5000331MC0 Mouser Part No 843-SFSWR5000331MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 330pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	59In Stock 7On Order	£18.38 £14.06 £12.57 £11.37 View £10.93 Quote	Min.: 1 Mult.: 1	330 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWR	Bulk
Feed Through Capacitors 500V 3.3nF +/-20% Bottom end seal SFSWR5000332MX0 Knowles Syfer 1: £18.04 100In Stock New Product	Mfr. Part No. SFSWR5000332MX0 Mouser Part No 843-SFSWR5000332MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 3.3nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.04 £13.80 £12.34 £11.16 View £10.73 Quote	Min.: 1 Mult.: 1	3.3 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 1.0nF +/-20% Flange end seal SFSWG5000102MX0 Knowles Syfer 1: £18.04 50In Stock New Product	Mfr. Part No. SFSWG5000102MX0 Mouser Part No 843-SFSWG5000102MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 1.0nF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	50In Stock	£18.04 £13.80 £12.34 £11.16 View £10.73 Quote	Min.: 1 Mult.: 1	1 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWG	Bulk
Feed Through Capacitors 500V 6.8nF +/-20% Bottom end seal SFSWR5000682MX0 Knowles Syfer 1: £18.09 74In Stock 26Expected 09/12/2026 New Product	Mfr. Part No. SFSWR5000682MX0 Mouser Part No 843-SFSWR5000682MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 6.8nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	74In Stock 26Expected 09/12/2026	£18.09 £13.83 £12.37 £11.19 View £10.76 Quote	Min.: 1 Mult.: 1	6.8 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 1.0nF +/-20% Bottom end seal SFSWR5000102MX0 Knowles Syfer 1: £18.04 100In Stock New Product	Mfr. Part No. SFSWR5000102MX0 Mouser Part No 843-SFSWR5000102MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 1.0nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.04 £13.80 £12.34 £11.16 View £10.73 Quote	Min.: 1 Mult.: 1	1 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 220pF +/-20% Bottom end seal SFSWR5000221MC0 Knowles Syfer 1: £18.43 74In Stock 26Expected 09/12/2026 New Product	Mfr. Part No. SFSWR5000221MC0 Mouser Part No 843-SFSWR5000221MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 220pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	74In Stock 26Expected 09/12/2026	£18.43 £14.10 £12.61 £11.40 View £10.97 Quote	Min.: 1 Mult.: 1	220 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWR	Bulk
Feed Through Capacitors 500V 2.2nF +/-20% Bottom end seal SFSWR5000222MX0 Knowles Syfer 1: £18.04 89In Stock 11On Order New Product	Mfr. Part No. SFSWR5000222MX0 Mouser Part No 843-SFSWR5000222MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 2.2nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	89In Stock 11On Order	£18.04 £13.80 £12.34 £11.16 View £10.73 Quote	Min.: 1 Mult.: 1	2.2 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 100V 33nF +/-20% Bottom end seal SFSWR1000333MX0 Knowles Syfer 1: £18.14 100In Stock New Product	Mfr. Part No. SFSWR1000333MX0 Mouser Part No 843-SFSWR1000333MX0 New Product	Knowles Syfer	Feed Through Capacitors 100V 33nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.14 £13.88 £12.41 £10.18	Min.: 1 Mult.: 1	33 nF	100 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 150pF +/-20% Bottom end seal SFSWR5000151MC0 Knowles Syfer 1: £18.28 49In Stock 51Expected 09/12/2026 New Product	Mfr. Part No. SFSWR5000151MC0 Mouser Part No 843-SFSWR5000151MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 150pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	49In Stock 51Expected 09/12/2026	£18.28 £13.99 £12.51 £11.31 View £10.87 Quote	Min.: 1 Mult.: 1	150 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWR	Bulk
Feed Through Capacitors 500V 470pF +/-20% Bottom end seal SFSWR5000471MC0 Knowles Syfer 1: £18.53 26In Stock 74Expected 09/12/2026 New Product	Mfr. Part No. SFSWR5000471MC0 Mouser Part No 843-SFSWR5000471MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 470pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	26In Stock 74Expected 09/12/2026	£18.53 £14.17 £12.67 £11.46 View £11.03 Quote	Min.: 1 Mult.: 1	470 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWR	Bulk
Feed Through Capacitors 500V 680pF +/-20% Bottom end seal SFSWR5000681MX0 Knowles Syfer 1: £18.04 100In Stock New Product	Mfr. Part No. SFSWR5000681MX0 Mouser Part No 843-SFSWR5000681MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 680pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.04 £13.80 £12.34 £11.16 View £10.73 Quote	Min.: 1 Mult.: 1	680 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 500V 10pF -20% +80% Flange end seal SFSWG5000100ZC0 Knowles Syfer 1: £18.18 88In Stock 12Expected 23/11/2026 New Product	Mfr. Part No. SFSWG5000100ZC0 Mouser Part No 843-SFSWG5000100ZC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 10pF -20% +80% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	88In Stock 12Expected 23/11/2026	£18.18 £13.91 £12.44 £11.25 View £10.82 Quote	Min.: 1 Mult.: 1	10 pF	500 VDC	Solder	- 20 %, + 80 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G		Bulk
Feed Through Capacitors 200V 15nF +/-20% Bottom end seal SFSWR2000153MX0 Knowles Syfer 1: £18.09 89In Stock 11Expected 09/12/2026 New Product	Mfr. Part No. SFSWR2000153MX0 Mouser Part No 843-SFSWR2000153MX0 New Product	Knowles Syfer	Feed Through Capacitors 200V 15nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	89In Stock 11Expected 09/12/2026	£18.09 £13.83 £12.37 £11.19 View £10.76 Quote	Min.: 1 Mult.: 1	15 nF	200 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWR	Bulk
Feed Through Capacitors 100V 33nF +/-20% Flange end seal SFSWG1000333MX0 Knowles Syfer 1: £18.13 100In Stock New Product	Mfr. Part No. SFSWG1000333MX0 Mouser Part No 843-SFSWG1000333MX0 New Product	Knowles Syfer	Feed Through Capacitors 100V 33nF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.13 £13.88 £12.40 £11.23 View £10.78 Quote	Min.: 1 Mult.: 1	33 nF	100 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWG	Bulk
Feed Through Capacitors 200V 15nF +/-20% Flange end seal SFSWG2000153MX0 Knowles Syfer 1: £15.14 80In Stock 20Expected 09/12/2026 New Product	Mfr. Part No. SFSWG2000153MX0 Mouser Part No 843-SFSWG2000153MX0 New Product	Knowles Syfer	Feed Through Capacitors 200V 15nF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	80In Stock 20Expected 09/12/2026	£15.14 £12.04 £10.81	Min.: 1 Mult.: 1	15 nF	200 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWG	Bulk
Feed Through Capacitors 200V 22nF +/-20% Flange end seal SFSWG2000223MX0 Knowles Syfer 1: £18.09 95In Stock New Product	Mfr. Part No. SFSWG2000223MX0 Mouser Part No 843-SFSWG2000223MX0 New Product	Knowles Syfer	Feed Through Capacitors 200V 22nF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	95In Stock	£18.09 £13.83 £12.37 £11.19 View £10.76 Quote	Min.: 1 Mult.: 1	22 nF	200 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWG	Bulk
Feed Through Capacitors 500V 100pF +/-20% Flange end seal SFSWG5000101MC0 Knowles Syfer 1: £16.46 95In Stock 2Expected 09/12/2026 New Product	Mfr. Part No. SFSWG5000101MC0 Mouser Part No 843-SFSWG5000101MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 100pF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	95In Stock 2Expected 09/12/2026	£16.46 £13.10	Min.: 1 Mult.: 1	100 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWG	Bulk
Feed Through Capacitors 500V 10nF +/-20% Flange end seal SFSWG5000103MX0 Knowles Syfer 1: £18.09 100In Stock New Product	Mfr. Part No. SFSWG5000103MX0 Mouser Part No 843-SFSWG5000103MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 10nF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.09 £13.83 £12.37 £11.19 View £10.76 Quote	Min.: 1 Mult.: 1	10 nF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	X7R	SFSWG	Bulk
Feed Through Capacitors 500V 150pF +/-20% Flange end seal SFSWG5000151MC0 Knowles Syfer 1: £15.28 61In Stock 39Expected 09/12/2026 New Product	Mfr. Part No. SFSWG5000151MC0 Mouser Part No 843-SFSWG5000151MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 150pF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	61In Stock 39Expected 09/12/2026	£15.28 £12.17 £11.29 £11.28 Quote Quote	Min.: 1 Mult.: 1	150 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWG	Bulk
Feed Through Capacitors 500V 22pF -20% +80% Flange end seal SFSWG5000220ZC0 Knowles Syfer 1: £18.18 100In Stock New Product	Mfr. Part No. SFSWG5000220ZC0 Mouser Part No 843-SFSWG5000220ZC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 22pF -20% +80% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£18.18 £13.91 £12.44 £11.25 View £10.82 Quote	Min.: 1 Mult.: 1	22 pF	500 VDC	Solder	- 20 %, + 80 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G		Bulk
Feed Through Capacitors 500V 33pF -20% +80% Flange end seal SFSWG5000330ZC0 Knowles Syfer 1: £18.23 89In Stock New Product	Mfr. Part No. SFSWG5000330ZC0 Mouser Part No 843-SFSWG5000330ZC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 33pF -20% +80% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	89In Stock	£18.23 £13.95 £12.47 £11.29 View £10.84 Quote	Min.: 1 Mult.: 1	33 pF	500 VDC	Solder	- 20 %, + 80 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G		Bulk
Feed Through Capacitors 500V 330pF +/-20% Flange end seal SFSWG5000331MC0 Knowles Syfer 1: £16.57 100In Stock New Product	Mfr. Part No. SFSWG5000331MC0 Mouser Part No 843-SFSWG5000331MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 330pF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	£16.57 £13.20 £11.85	Min.: 1 Mult.: 1	330 pF	500 VDC	Solder	20 %	2 Terminal	3.29 mm	3.25 mm	EMI Filter	5 A	- 55 C	+ 125 C	C0G	SFSWG	Bulk