Specification	ECS-390-CDX-2510

ESR (Equivalent Series Resistance)	35 Ohm
Frequency	39 MHz
Frequency Stability	30 ppm
Frequency Tolerance	8 ppm
Height - Seated (Max)	0.022 in
Load Capacitance	10 pF
Mounting Type	Surface Mount
Operating Mode	Fundamental
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Package / Case	4-SMD, No Lead
Package Length	2 mm
Package Name	4-SMD
Package Width	1.6 mm
Size / Dimension Length	0.079 in
Size / Dimension Width	0.063 in
Type	MHz Crystal

ECX-1637 Series

Part	Operating Temperature (Max)	Operating Temperature (Min)	Package Length	Package Name	Package Width	Load Capacitance	Frequency Stability	Operating Mode	ESR (Equivalent Series Resistance)	Frequency Tolerance	Height - Seated (Max)	Type	Package / Case	Mounting Type	Frequency	Size / Dimension Width	Size / Dimension Length
ECS Inc. ECS-390-CDX-2510	125 °C	-40 °C	2 mm	4-SMD	1.6 mm	10 pF	30 ppm	Fundamental	35 Ohm	8 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	39 MHz	0.063 in	0.079 in
ECS Inc. ECS-400-8-37CKM	70 °C	-20 °C	2 mm	4-SMD	1.6 mm	8 pF	10 ppm	Fundamental	50 Ohm	10 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	40 MHz	0.063 in	0.079 in
ECS Inc. ECS-400-6-37-AGN-TR	85 °C	-40 °C	2 mm	4-SMD	1.6 mm	6 pF	30 ppm	Fundamental	50 Ohm	25 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	40 MHz	0.063 in	0.079 in
ECS Inc. ECS-240-6-37-JTN-TR	85 °C	-40 °C	2 mm	4-SMD	1.6 mm	6 pF	20 ppm	Fundamental	80 Ohm	20 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	24 MHz	0.063 in	0.079 in
ECS Inc. ECS-260-8-37-CGN-TR	85 °C	-40 °C	2 mm	4-SMD	1.6 mm	8 pF	30 ppm	Fundamental	60 Ohm	10 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	26 MHz	0.063 in	0.079 in
ECS Inc. ECS-480-6-37-AGN-TR	85 °C	-40 °C	2 mm	4-SMD	1.6 mm	6 pF	30 ppm	Fundamental	50 Ohm	25 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	48 MHz	0.063 in	0.079 in
ECS Inc. ECS-300-10-37-CKM-TR	70 °C	-20 °C	2 mm	4-SMD	1.6 mm	10 pF	10 ppm	Fundamental	60 Ohm	10 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	30 MHz	0.063 in	0.079 in
ECS Inc. ECS-240-10-37-CWN-TR	85 °C	-40 °C	2 mm	4-SMD	1.6 mm	10 pF	15 ppm	Fundamental	80 Ohm	10 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	24 MHz	0.063 in	0.079 in
ECS Inc. ECS-320-8-37CKM	70 °C	-20 °C	2 mm	4-SMD	1.6 mm	8 pF	10 ppm	Fundamental	60 Ohm	10 ppm	0.022 in	MHz Crystal	4-SMD No Lead	Surface Mount	32 MHz	0.063 in	0.079 in

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ECS-390-CDX-2510 | Datasheet