EMI Feedthrough Filters – Mouser United Kingdom

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4400 Series Miniature EMI Filters

Tusonix Miniature 4400 Series Miniature EMI Filters are ideal for applications where small size and high performance are critical and a threaded mounting technique is desired. The C and L configured EMI filters are available in two physical configurations and can be supplied with either unified or metric thread. The small package and large range of electrical characteristics of the Tusonix Miniature EMI Filters 4400 series make them an effective solution for a variety of microwave applications.

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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.	Series	Circuit Type	Capacitance	Voltage Rating	Maximum DC Current	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
EMI Feedthrough Filters 100pF 200Volts@125C 4401-000LF Tusonix / CTS 1: £17.56 200In Stock	Mfr. Part No. 4401-000LF Mouser Part No 800-4401-000LF	Tusonix / CTS	EMI Feedthrough Filters 100pF 200Volts@125C	Datasheet	200In Stock	£17.56 £16.63 £15.09 £14.33 View £13.40 £13.08	Min.: 1 Mult.: 1	4401		100 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 27000pF 50Volts@125C 4400-098LF Tusonix / CTS 1: £15.39 193In Stock	Mfr. Part No. 4400-098LF Mouser Part No 800-4400-098LF	Tusonix / CTS	EMI Feedthrough Filters 27000pF 50Volts@125C	Datasheet	193In Stock	£15.39 £15.27 £14.64 £12.58 £12.12	Min.: 1 Mult.: 1	4400		27 nF	50 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 50000pF 50Volts@125C 4400-099LF Tusonix / CTS 1: £7.79 Lead-Time 16 Weeks	Mfr. Part No. 4400-099LF Mouser Part No 800-4400-099LF	Tusonix / CTS	EMI Feedthrough Filters 50000pF 50Volts@125C	Datasheet	Lead-Time 16 Weeks	£7.79 £7.78 £6.85 £6.57 £5.46	Min.: 1 Mult.: 1	4400		50 nF	50 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 100KpF 100Volts@125C 4404-003LF Tusonix / CTS 1: £28.52 162In Stock 200Expected 19/10/2026	Mfr. Part No. 4404-003LF Mouser Part No 800-4404-003LF	Tusonix / CTS	EMI Feedthrough Filters 100KpF 100Volts@125C	Datasheet	162In Stock 200Expected 19/10/2026	£28.52 £24.90 £22.86 £21.55 View £20.24 £19.33	Min.: 1 Mult.: 1	4404		100 nF	100 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 27000pF 50Volts@125C 4400-060LF Tusonix / CTS 1: £13.03 200In Stock	Mfr. Part No. 4400-060LF Mouser Part No 800-4400-060LF	Tusonix / CTS	EMI Feedthrough Filters 27000pF 50Volts@125C	Datasheet	200In Stock	£13.03 £12.73 £12.43 £12.41	Min.: 1 Mult.: 1	4400	L Filter	27 nF	70 V	10 A	- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 5pF 200Volts@125C 4400-680LF Tusonix / CTS 1: £12.34 189In Stock	Mfr. Part No. 4400-680LF Mouser Part No 800-4400-680LF	Tusonix / CTS	EMI Feedthrough Filters 5pF 200Volts@125C	Datasheet	189In Stock	£12.34	Min.: 1 Mult.: 1	4400		5 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 100pF 200Volts@125C 4400-000LF Tusonix / CTS 1: £17.93 244In Stock	Mfr. Part No. 4400-000LF Mouser Part No 800-4400-000LF	Tusonix / CTS	EMI Feedthrough Filters 100pF 200Volts@125C	Datasheet	244In Stock	£17.93 £17.20 £15.43 £14.56 View £13.51 £13.16 Quote	Min.: 1 Mult.: 1	4400		100 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 10000pF 50Volts@125C 4400-089LF Tusonix / CTS 1: £18.21 148In Stock	Mfr. Part No. 4400-089LF Mouser Part No 800-4400-089LF	Tusonix / CTS	EMI Feedthrough Filters 10000pF 50Volts@125C	Datasheet	148In Stock	£18.21 £17.24 £15.65 £14.84 View £13.89 £13.20	Min.: 1 Mult.: 1	4400		10 nF	50 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 4700pF 100Volts@125C 4400-094LF Tusonix / CTS 1: £12.41 219Expected 15/03/2027	Mfr. Part No. 4400-094LF Mouser Part No 800-4400-094LF	Tusonix / CTS	EMI Feedthrough Filters 4700pF 100Volts@125C	Datasheet	219Expected 15/03/2027	£12.41 £12.06	Min.: 1 Mult.: 1	4400		4.7 nF	100 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 100pF 200Volts@125C 4400-030LF Tusonix / CTS 1: £13.41 286In Stock	Mfr. Part No. 4400-030LF Mouser Part No 800-4400-030LF	Tusonix / CTS	EMI Feedthrough Filters 100pF 200Volts@125C	Datasheet	286In Stock	£13.41 £12.20	Min.: 1 Mult.: 1	4400		100 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 5000pf 100Volts@125C 4400-034LF Tusonix / CTS 1: £13.16 207In Stock	Mfr. Part No. 4400-034LF Mouser Part No 800-4400-034LF	Tusonix / CTS	EMI Feedthrough Filters 5000pf 100Volts@125C	Datasheet	207In Stock	£13.16 £11.98	Min.: 1 Mult.: 1	4400		5 nF	100 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 1000pF 200Volts@125C 4400-037LF Tusonix / CTS 1: £13.63 429In Stock	Mfr. Part No. 4400-037LF Mouser Part No 800-4400-037LF	Tusonix / CTS	EMI Feedthrough Filters 1000pF 200Volts@125C	Datasheet	429In Stock	£13.63 £13.44 £12.22	Min.: 1 Mult.: 1	4400		1 nF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 25pF 200Volts@125C 4400-039LF Tusonix / CTS 1: £13.55 230In Stock	Mfr. Part No. 4400-039LF Mouser Part No 800-4400-039LF	Tusonix / CTS	EMI Feedthrough Filters 25pF 200Volts@125C	Datasheet	230In Stock	£13.55 £12.34	Min.: 1 Mult.: 1	4400		25 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 10000pF 50Volts@125C 4400-093LF Tusonix / CTS 1: £9.53 332In Stock 500Expected 11/01/2027	Mfr. Part No. 4400-093LF Mouser Part No 800-4400-093LF	Tusonix / CTS	EMI Feedthrough Filters 10000pF 50Volts@125C	Datasheet	332In Stock 500Expected 11/01/2027	£9.53 £7.35 £7.26 £6.61	Min.: 1 Mult.: 1	4400		10 nF	50 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 5pF 200Volts@125C 4400-683LF Tusonix / CTS 1: £17.31 202In Stock	Mfr. Part No. 4400-683LF Mouser Part No 800-4400-683LF	Tusonix / CTS	EMI Feedthrough Filters 5pF 200Volts@125C	Datasheet	202In Stock	£17.31 £16.75 £15.96 £13.55 £12.34	Min.: 1 Mult.: 1	4400		5 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 27000pF 50Volts@125C 4403-040LF Tusonix / CTS 1: £7.33 541In Stock	Mfr. Part No. 4403-040LF Mouser Part No 800-4403-040LF	Tusonix / CTS	EMI Feedthrough Filters 27000pF 50Volts@125C	Datasheet	541In Stock	£7.33 £5.74 £5.01 £4.98 Quote Quote	Min.: 1 Mult.: 1	4403		27 nF	50 V		- 55 C	+ 125 C	Tray
EMI Feedthrough Filters 50000pF 50Volts@125C 4400-057LF Tusonix / CTS 1: £15.52 14In Stock 500Expected 24/05/2027	Mfr. Part No. 4400-057LF Mouser Part No 800-4400-057LF	Tusonix / CTS	EMI Feedthrough Filters 50000pF 50Volts@125C	Datasheet	14In Stock 500Expected 24/05/2027	£15.52 £13.60 £13.59	Min.: 1 Mult.: 1	4400	L Filter	50 nF	50 V	10 A	- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 10000pF 50Volts@125C 4400-035LF Tusonix / CTS 1: £16.63 5In Stock	Mfr. Part No. 4400-035LF Mouser Part No 800-4400-035LF	Tusonix / CTS	EMI Feedthrough Filters 10000pF 50Volts@125C	Datasheet	5In Stock	£16.63 £14.26 £13.19 £12.00	Min.: 1 Mult.: 1	4400		10 nF	50 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 1200pF 200Volts@125C 4400-032LF Tusonix / CTS 1: £6.59 552Expected 02/11/2026	Mfr. Part No. 4400-032LF Mouser Part No 800-4400-032LF	Tusonix / CTS	EMI Feedthrough Filters 1200pF 200Volts@125C	Datasheet	552Expected 02/11/2026	£6.59 £6.25 £5.67 £5.37 View £5.02 £4.91	Min.: 1 Mult.: 1	4400		1.2 nF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 100pF 200Volts@125C 4400-076LF Tusonix / CTS 1: £30.22 536On Order	Mfr. Part No. 4400-076LF Mouser Part No 800-4400-076LF	Tusonix / CTS	EMI Feedthrough Filters 100pF 200Volts@125C	Datasheet	536On Order On Order Ship Dates Mfr. No: 4400-076LF Stock: 0 On Order: 36 Expected 20/10/2026 500 Expected 15/03/2027 Factory Lead Time: 16 Weeks	£30.22 £24.67 £22.75 £21.40 View £20.13 £13.20 £12.00	Min.: 1 Mult.: 1	4400		100 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 1000pF 200Volts@125C 4400-095LF Tusonix / CTS 1: £14.50 855Expected 09/11/2026	Mfr. Part No. 4400-095LF Mouser Part No 800-4400-095LF	Tusonix / CTS	EMI Feedthrough Filters 1000pF 200Volts@125C	Datasheet	855Expected 09/11/2026	£14.50 £12.59 £7.87 £7.80	Min.: 1 Mult.: 1	4400		1 nF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 470pF 200Volts@125C 4400-096LF Tusonix / CTS 1: £18.70 250Expected 04/01/2027	Mfr. Part No. 4400-096LF Mouser Part No 800-4400-096LF	Tusonix / CTS	EMI Feedthrough Filters 470pF 200Volts@125C	Datasheet	250Expected 04/01/2027	£18.70 £18.46 £18.45 £16.67 View £14.64 Quote	Min.: 1 Mult.: 1	4400		470 pF	200 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 2700pF 100Volts@125C 4400-097LF Tusonix / CTS 1: £23.07 250Expected 30/11/2026	Mfr. Part No. 4400-097LF Mouser Part No 800-4400-097LF	Tusonix / CTS	EMI Feedthrough Filters 2700pF 100Volts@125C	Datasheet	250Expected 30/11/2026	£23.07 £20.12 £18.40 £17.36 View £17.22 £15.17 £14.00 Quote	Min.: 1 Mult.: 1	4400		2.7 nF	100 V		- 55 C	+ 125 C	Bulk
EMI Feedthrough Filters 100pF 200Volts@125C 4403-030LF Tusonix / CTS 1: £8.61 928Expected 15/03/2027	Mfr. Part No. 4403-030LF Mouser Part No 800-4403-030LF	Tusonix / CTS	EMI Feedthrough Filters 100pF 200Volts@125C	Datasheet	928Expected 15/03/2027	£8.61 £5.95	Min.: 1 Mult.: 1	4403		100 pF	200 V		- 55 C	+ 125 C	Tray
EMI Feedthrough Filters 2700pF 100Volts@125C 4403-033LF Tusonix / CTS 1: £14.55 670Expected 08/02/2027	Mfr. Part No. 4403-033LF Mouser Part No 800-4403-033LF	Tusonix / CTS	EMI Feedthrough Filters 2700pF 100Volts@125C	Datasheet	670Expected 08/02/2027	£14.55 £13.97 £12.34	Min.: 1 Mult.: 1	4403		2.7 nF	100 V		- 55 C	+ 125 C	Tray

4400 Series Miniature EMI Filters

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