Common filter specs

ham filter specs

Below is a short list of what I've found for some common ham filter units. Not a complete list by far and not guaranteed to be accurate but I'm happy to add/fix if you have an update.

vendor model center frequency (kHz) width (Hz) type (X/M) used in markings notes

Yaesu XF-8.2M-251-01 8215 250 X FT-1000, FT-920, K3 XF-8.2-251-01 narrow CW

Yaesu XF-112C 82158 X X FT-840 CW XF-118S narrow cw

Yaesu XF-118S 11705 2.4k X FT-100 standard XF-118S wide ssb

Yaesu XF-117C 11705 500 X FT-100 option XF-117C Narrow CW

Yaesu XF-115C 455 500 X FT-817, FT-847, FT-857, FT-897 XF-115C 7 pole, (-6/-60dB): 500Hz/2.0kHz

Yaesu YF-115S 455 X X FT-847 XF-115S

Yaesu YF-122S 455 2300 M FT-817, FT-857, FT-897 XF-119SN Collins mechanical

Yaesu YF-122C 455 500 M FT-817, FT-857, FT-897 XF-115C Collins mechanical

vendor	model	center frequency (kHz)	width (Hz)	type (X/M)	used in	markings	notes
Yaesu	XF-8.2M-251-01	8215	250	X	FT-1000, FT-920, K3	XF-8.2-251-01	narrow CW
Yaesu	XF-112C	82158	X	X	FT-840 CW	XF-118S	narrow cw
Yaesu	XF-118S	11705	2.4k	X	FT-100 standard	XF-118S	wide ssb
Yaesu	XF-117C	11705	500	X	FT-100 option	XF-117C	Narrow CW
Yaesu	XF-115C	455	500	X	FT-817, FT-847, FT-857, FT-897	XF-115C	7 pole, (-6/-60dB): 500Hz/2.0kHz
Yaesu	YF-115S	455	X	X	FT-847	XF-115S
Yaesu	YF-122S	455	2300	M	FT-817, FT-857, FT-897	XF-119SN	Collins mechanical
Yaesu	YF-122C	455	500	M	FT-817, FT-857, FT-897	XF-115C	Collins mechanical