Monolithic Crystals

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	Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Frequency - Center	Impedance	Insertion Loss	Bandwidth	Ripple	Number of Poles	Operating Temperature	Mounting Type	Package / Case	Size / Dimension	Height (Max)
	ECS-75SMF45A30B MONO XTAL 45MHZ 4P 3DB SMD ECS Inc.	992 In Stock	1 : £8.88000 Cut Tape (CT) 500 : £5.38220 Tape & Reel (TR)	ECS-75SMF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	45 MHz	1 kOhms	3dB	30 kHz	1dB	4	-30°C ~ 80°C	Surface Mount	6-SMD, No Lead	0.276" L x 0.197" W (7.00mm x 5.00mm)	0.037" (0.95mm)
	ECS-75SMF45A7.5B MONO XTAL 45MHZ 4P 4DB SMD ECS Inc.	203 In Stock	1 : £14.37000 Cut Tape (CT) 500 : £8.71848 Tape & Reel (TR)	ECS-75SMF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	45 MHz	350 Ohms	4dB	7.5 kHz	1dB	4	-30°C ~ 80°C	Surface Mount	6-SMD, No Lead	0.276" L x 0.197" W (7.00mm x 5.00mm)	0.037" (0.95mm)

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Monolithic crystal filter (MCF) products are used in radio and related applications as bandpass filters. Closely related to the quartz crystal resonators used widely for frequency generation, MCF filters employ the piezoelectric and mechanical resonance properties of the quartz material to produce a filter with very high selectivity in a compact package.