5 PPM/ FIRST YEAR Crystal Oscillators 11

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Part	Manufacturer	Crystal or Resonator Type	Mounting Feature	Frequency Tolerance	Aging	Load Capacitance	Additional Features	Series Resistance	Frequency Stability	Minimum Operating Temperature	Terminal Finish	JESD-609 Code	Nominal Operating Frequency	Drive Level	Physical Dimension	Maximum Operating Temperature
RT1210-32.768-9-TR	Raltron Electronics	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	20 ppm	5 PPM/ FIRST YEAR	9 pF		90000 ohm	129 %	-40 Cel			.032768 MHz	.3 uW	1.27mm X 1.05mm X 0.5 mm	85 Cel
HC-49/U-S8000000ABJB	Citizen Finedevice	PARALLEL - FUNDAMENTAL	THROUGH HOLE MOUNT	30 ppm	5 PPM/ FIRST YEAR	18 pF	AT CUT	100 ohm	50 %	-10 Cel			8 MHz	100 uW	11.5mm x 4.66mm x 3.5mm	60 Cel
ECS-250-20-33DU-TR	Ecs International	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	50 ppm	5 PPM/ FIRST YEAR	20 pF	TR	40 ohm	100 %	-55 Cel	Gold (Au) - with Nickel (Ni) barrier	e4	25 MHz	100 uW	3.2mm X 2.5mm X 0.8mm	125 Cel
ECS-320-20-33DU-TR	Ecs International	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	50 ppm	5 PPM/ FIRST YEAR	20 pF	TR	40 ohm	100 %	-55 Cel	Gold (Au) - with Nickel (Ni) barrier	e4	32 MHz	100 uW	3.2mm X 2.5mm X 0.8mm	125 Cel
ECS-200-20-4VX	Ecs International	PARALLEL - FUNDAMENTAL	THROUGH HOLE MOUNT	30 ppm	5 PPM/ FIRST YEAR	20 pF		40 ohm	50 %	-10 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	e3	20 MHz	500 uW	11.35mm x 5mm x 2.1mm	70 Cel
Q22FA2380054714	Seiko Epson	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	30 ppm	5 PPM/ FIRST YEAR	16 pF		50 ohm	30 %	-20 Cel			25 MHz	10 uW	3.2mm x 2.5mm x 0.7mm	70 Cel
ABM2-25.000MHZ-D4Y-T	Abracon	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	30 ppm	5 PPM/ FIRST YEAR	18 pF	AT CUT	50 ohm	30 %	-40 Cel	GOLD OVER NICKEL	e4	25 MHz	10 uW	8mm X 4.5mm X 1.4mm	85 Cel
ECS-160-20-33DU-TR	Ecs International	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	50 ppm	5 PPM/ FIRST YEAR	20 pF	TR	80 ohm	100 %	-55 Cel	Gold (Au) - with Nickel (Ni) barrier	e4	16 MHz	100 uW	3.2mm X 2.5mm X 0.8mm	125 Cel
ECS-160-20-4VX	Ecs International	PARALLEL - FUNDAMENTAL	THROUGH HOLE MOUNT	30 ppm	5 PPM/ FIRST YEAR	20 pF		50 ohm	50 %	-10 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier	e3	16 MHz	500 uW	11.35mm x 5mm x 2.1mm	70 Cel
ECS-270-10-33-AGL-TR	Ecs International	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	25 ppm	5 PPM/ FIRST YEAR	10 pF	TR	40 ohm	30 %	-10 Cel	Gold (Au) - with Nickel (Ni) barrier	e4	27 MHz	100 uW	3.2mm X 2.5mm X 0.8mm	70 Cel
ECS-80-16-28AX-TR	Ecs International	PARALLEL - FUNDAMENTAL	SURFACE MOUNT	30 ppm	5 PPM/ FIRST YEAR	16 pF		80 ohm	50 %	-10 Cel	Silver (Ag)	e4	8 MHz	500 uW	12.5mm x 4.85mm x 5mm	70 Cel

Crystal Oscillators

Crystal oscillators are electronic components that generate stable and precise frequency signals for various applications. They are widely used in electronic devices and systems that require a precise frequency source, such as clocks, radios, and telecommunications equipment.

Crystal oscillators consist of a quartz crystal resonator, which is cut to vibrate at a specific frequency when an AC voltage is applied across it. The resonance frequency is determined by the dimensions of the crystal and the properties of the quartz material, which have a high Q-factor and temperature stability. The crystal resonator is connected to an amplifier circuit that provides feedback and controls the frequency of the output signal.

Crystal oscillators offer several advantages over other types of frequency sources, including high accuracy, stability, and low phase noise. They can operate at a wide range of frequencies, ranging from a few kilohertz to several gigahertz, and they are available in different package sizes and configurations, including through-hole and surface-mount.

Crystal oscillators come in different types, such as Pierce, Colpitts, and Butler, each with different characteristics and performance levels. They are also available in different tolerances and stability levels, depending on the application and the required performance