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Monolithic Crystal Filters

ECS Monolithic Crystal Filters (MCF) have high Qs and excellent temperature and aging characteristics. ECS MCF filters offer narrow and intermediate bandwidths. The monolithic crystal filter is smaller and more cost-effective than a discrete crystal filter. With the addition of coupling capacitors between two-pole sections, they can be cascaded to produce 4, 6, and 8 (or more) pole filter responses.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Frequency	Load Capacitance	Package/Case	Minimum Operating Temperature	Maximum Operating Temperature	Termination Style	ESR	Length	Width	Height	Packaging
	Crystals 45.000 MHz Crystal Filter 3 dB BW 7.5 KHz 4 pole UM-1 x 2 ECS-45K15B ECS 1: 8,41 € 104In Stock	Mfr. Part No. ECS-45K15B Mouser Part No 520-ECS-45K15B	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 7.5 KHz 4 pole UM-1 x 2 Learn More about ECS mcf crystal filters	Datasheet	104In Stock	8,41 € 7,38 € 6,98 € 6,60 € View 5,96 € 5,95 € 5,64 €	Min.: 1 Mult.: 1			45 MHz	3 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	650 Ohms	7.3 mm	2.5 mm	8 mm	Bulk
	Crystals 45.000 MHz Crystal Filter 3 dB BW 7.5 KHz 4 pole UM-1 ECS-45K15A ECS 1: 4,64 € 136In Stock	Mfr. Part No. ECS-45K15A Mouser Part No 520-ECS-45K15A	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 7.5 KHz 4 pole UM-1 Learn More about ECS mcf crystal filters	Datasheet	136In Stock	4,64 € 3,90 € 3,65 € 3,47 € View 3,29 € 3,02 € 2,59 €	Min.: 1 Mult.: 1			45 MHz	5 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	650 Ohms	7.3 mm	2.5 mm	8 mm	Bulk
	Crystals 45.000 MHz Crystal Filter 3 dB BW 10 KHz 4 pole UM-1 x 2 ECS-45K20B ECS 1: 9,68 € 43In Stock	Mfr. Part No. ECS-45K20B Mouser Part No 520-ECS-45K20B	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 10 KHz 4 pole UM-1 x 2 Learn More about ECS mcf crystal filters	Datasheet	43In Stock	9,68 € 8,20 € 7,66 € 7,28 € View 6,76 € 6,59 € 5,99 €	Min.: 1 Mult.: 1			45 MHz	2.5 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	910 Ohms	7.3 mm	2.5 mm	8 mm	Bulk
	Crystals 45.000 MHz Crystal Filter 3 dB BW 15 KHz 2 pole UM-1 ECS-45K30A ECS 1: 4,64 € 125In Stock	Mfr. Part No. ECS-45K30A Mouser Part No 520-ECS-45K30A	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 15 KHz 2 pole UM-1 Learn More about ECS mcf crystal filters	Datasheet	125In Stock	4,64 € 3,90 € 3,65 € 3,47 € View 3,41 € 2,94 € 2,59 €	Min.: 1 Mult.: 1			45 MHz	1.5 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	1200 Ohms	7.3 mm	2.5 mm	8 mm	Bulk
	Crystals 45.000 MHz Crystal Filter 3 dB BW 3.75 KHz 2 pole UM-1 ECS-45K7.5A ECS 1: 4,64 € 29In Stock	Mfr. Part No. ECS-45K7.5A Mouser Part No 520-ECS-45K7.5A	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 3.75 KHz 2 pole UM-1 Learn More about ECS mcf crystal filters	Datasheet	29In Stock	4,64 € 3,90 € 3,65 € 3,47 € View 3,29 € 2,94 € 2,59 €	Min.: 1 Mult.: 1			45 MHz	10.5 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	350 Ohms	7.3 mm	2.5 mm	8 mm	Bulk
	Crystals 45.000 MHz Crystal Filter 3 dB BW 3.75 KHz 4 pole UM-1 x 2 ECS-45K7.5B ECS 1: 9,14 € 50In Stock	Mfr. Part No. ECS-45K7.5B Mouser Part No 520-ECS-45K7.5B	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 3.75 KHz 4 pole UM-1 x 2 Learn More about ECS mcf crystal filters	Datasheet	50In Stock	9,14 € 7,75 € 7,24 € 6,88 € View 6,38 € 6,21 € 5,67 € 5,64 €	Min.: 1 Mult.: 1			45 MHz	6.5 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	350 Ohms	7.3 mm	2.5 mm	8 mm	Bulk
	Crystals 45.000 MHz Crystal Filter 3 dB BW 15 KHz 4 pole UM-1 x 2 ECS-45K30B ECS 100: 7,62 € Non-Stocked Lead-Time 25 Weeks	Mfr. Part No. ECS-45K30B Mouser Part No 520-ECS-45K30B	ECS	Crystals 45.000 MHz Crystal Filter 3 dB BW 15 KHz 4 pole UM-1 x 2 Learn More about ECS mcf crystal filters	Datasheet	Non-Stocked Lead-Time 25 Weeks	7,62 € 7,19 € 6,54 €	Min.: 100 Mult.: 100			45 MHz	0.7 pF	8 mm x 7.3 mm	- 20 C	+ 70 C	Radial	1200 Ohms	7.3 mm	2.5 mm	8 mm	Bulk