Crystals, Oscillators, Resonators

ECS-73-20-4XDN

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ECS Inc.

CRYSTALS 7.3728MHZ 20PF EX/TEMP HC-49US

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Crystals, Oscillators, Resonators

ECS-73-20-4XDN

Active

ECS Inc.

CRYSTALS 7.3728MHZ 20PF EX/TEMP HC-49US

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DocumentsCrystal Part Numbering Guide Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ECS-73-20-4XDN

ESR (Equivalent Series Resistance)	80 Ohm
Frequency	7.3728 MHz
Frequency Stability	100 ppm
Frequency Tolerance	30 ppm
Height - Seated (Max) [Max] [z]	0.138 "
Height - Seated (Max) [Max] [z]	3.5 mm
Load Capacitance	20 pF
Mounting Type	Through Hole
Operating Mode	Fundamental
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 C
Package / Case	HC-49/US
Size / Dimension [x]	11.35 mm
Size / Dimension [x]	0.447 "
Size / Dimension [y]	0.183 "
Size / Dimension [y]	4.65 mm
Type	MHz Crystal

HCS-49USX Series

Part	Frequency Tolerance	ESR (Equivalent Series Resistance)	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Operating Mode	Frequency	Mounting Type	Type	Frequency Stability	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Load Capacitance
ECS Inc. ECS-107.3-S-4X	30 ppm	60 Ohms	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	10.738635 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-73-S-4X	30 ppm	80 Ohm	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	7.3728 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-120-S-4X	30 ppm	60 Ohms	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	12 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-42-12-4X	30 ppm	150 Ohms	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	4.194304 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	12 pF
ECS Inc. ECS-480-18-4XEN	30 ppm	100 Ohms	HC-49/US	85 °C	-40 C	0.138 "	3.5 mm	3rd Overtone	48 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	18 pF
ECS Inc. ECS-65-20-4X	30 ppm	100 Ohms	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	6.5 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	20 pF
ECS Inc. ECS-129.6-18-4X	30 ppm	60 Ohms	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	12.96 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	18 pF
ECS Inc. ECS-250-18-4X-F	30 ppm	30 Ohm	HC-49/US	70 °C	-10 °C	0.138 "	3.5 mm	Fundamental	25 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	18 pF
ECS Inc. ECS-73-20-4XDN	30 ppm	80 Ohm	HC-49/US	85 °C	-40 C	0.138 "	3.5 mm	Fundamental	7.3728 MHz	Through Hole	MHz Crystal	100 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	20 pF
ECS Inc. ECS-240.001-18-4XEN	30 ppm	30 Ohm	HC-49/US	85 °C	-40 C	0.138 "	3.5 mm	Fundamental	24.00014 MHz	Through Hole	MHz Crystal	50 ppm	0.183 "	11.35 mm	0.447 "	4.65 mm	18 pF

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 0.50
		10	$ 0.42
		50	$ 0.37
		200	$ 0.33
		600	$ 0.32
		1000	$ 0.29
	N/A	897	$ 0.62
Mouser	N/A	1	$ 0.62
		10	$ 0.48
		100	$ 0.44
		600	$ 0.42
		1000	$ 0.40
		2600	$ 0.39
		5000	$ 0.35
		10000	$ 0.34
		25000	$ 0.34

Description

General part information

HCS-49USX Series

7.3728 MHz ±30ppm Crystal 20pF 80 Ohms HC-49/US

Documents

Technical documentation and resources

Crystal Part Numbering Guide

Datasheet