Specification	ECS-270-18-5PX-CEM-TR

ESR (Equivalent Series Resistance)	30 Ohm
Frequency	27 MHz
Frequency Stability	50 ppm
Frequency Tolerance	10 ppm
Height - Seated (Max)	0.169 in
Load Capacitance	18 pF
Mounting Type	Surface Mount
Operating Mode	Fundamental
Operating Temperature (Max)	70 °C
Operating Temperature (Min)	-20 °C
Package / Case	HC-49/US
Size / Dimension Length	0.449 in
Size / Dimension Width	0.189 in
Type	MHz Crystal

CSM-7X Series

Part	Package / Case	Frequency Tolerance	Height - Seated (Max)	Operating Mode	Load Capacitance	ESR (Equivalent Series Resistance)	Operating Temperature (Min)	Operating Temperature (Max)	Size / Dimension Width	Size / Dimension Length	Frequency	Mounting Type	Type	Frequency Stability	Load Capacitance
ECS Inc. ECS-61-18-5PXEN-TR	HC-49/US	30 ppm	0.169 in	Fundamental	18 pF	70 Ohm	-40 °C	85 °C	0.189 in	0.449 in	6.144 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-80-S-5PX-TR	HC-49/US	30 ppm	0.169 in	Fundamental		60 Ohm	-10 °C	70 °C	0.189 in	0.449 in	8 MHz	Surface Mount	MHz Crystal	50 ppm	Series
ECS Inc. ECS-240-18-5PXEN-TR	HC-49/US	30 ppm	0.169 in	Fundamental	18 pF	30 Ohm	-40 °C	85 °C	0.189 in	0.449 in	24 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-264.513-CDX-0381	HC-49/US	20 ppm	0.169 in	Fundamental	12 pF	30 Ohm	-10 °C	70 °C	0.189 in	0.449 in	26.4513 MHz	Surface Mount	MHz Crystal	30 ppm
ECS Inc. ECS-80-20-5PX-EM-TR	HC-49/US	30 ppm	0.169 in	Fundamental	20 pF	60 Ohm	-20 °C	70 °C	0.189 in	0.449 in	8 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-480-18-5PXEN	HC-49/US	30 ppm	0.169 in	3rd Overtone	18 pF	80 Ohm	-40 °C	85 °C	0.189 in	0.449 in	48 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-122.8-20-5PX-TR	HC-49/US	30 ppm	0.169 in	Fundamental	20 pF	50 Ohm	-10 °C	70 °C	0.189 in	0.449 in	12.288 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-184-20-5PX-TR	HC-49/US	30 ppm	0.169 in	Fundamental	20 pF	40 Ohm	-10 °C	70 °C	0.189 in	0.449 in	18.432 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-120-20-5PX-AEN-TR	HC-49/US	25 ppm	0.169 in	Fundamental	20 pF	50 Ohm	-40 °C	85 °C	0.189 in	0.449 in	12 MHz	Surface Mount	MHz Crystal	50 ppm
ECS Inc. ECS-180-S-5PX-TR	HC-49/US	30 ppm	0.169 in	Fundamental		40 Ohm	-10 °C	70 °C	0.189 in	0.449 in	18 MHz	Surface Mount	MHz Crystal	50 ppm	Series

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ECS-270-18-5PX-CEM-TR | Datasheet