Crystals, Oscillators, Resonators

ECS-184-S-4

NRND

CRYSTALS HC-49US,MHZ CRYSTAL,18.432 MHZ,+/-50PPM,+/-30PPM,SERIES,40 OHMS,FUNDAMENTAL,-10C - 70C,THROUGH HOLE,HC-49/US,0.447" L X 0.183" W (11.35MM X 4.65MM),0.138" (3.50MM)

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Crystals, Oscillators, Resonators

ECS-184-S-4

NRND

ECS Inc.

CRYSTALS HC-49US,MHZ CRYSTAL,18.432 MHZ,+/-50PPM,+/-30PPM,SERIES,40 OHMS,FUNDAMENTAL,-10C - 70C,THROUGH HOLE,HC-49/US,0.447" L X 0.183" W (11.35MM X 4.65MM),0.138" (3.50MM)

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ECS-184-S-4

ESR (Equivalent Series Resistance)	40 Ohms
Frequency	18.432 MHz
Frequency Stability	50 ppm
Frequency Tolerance	30 ppm
Height - Seated (Max) [Max] [z]	0.138 "
Height - Seated (Max) [Max] [z]	3.5 mm
Mounting Type	Through Hole
Operating Mode	Fundamental
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	-10 °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

HC-49US Series

Part	Frequency Stability	Mounting Type	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Operating Temperature [Max]	Operating Temperature [Min]	Frequency Tolerance	Package / Case	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Type	Operating Mode	Frequency	ESR (Equivalent Series Resistance)	Load Capacitance
ECS Inc. ECS-51-S-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	5.068 MHz
ECS Inc. ECS-184-S-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	18.432 MHz	40 Ohms
ECS Inc. ECS-147.4-20-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	14.7456 MHz	40 Ohms	20 pF
ECS Inc. ECS-196.6-20-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	19.6608 MHz	40 Ohms	20 pF
ECS Inc. ECS-480-20-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	3rd Overtone	48 MHz	100 Ohms	20 pF
ECS Inc. ECS-76.8-20-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	7.68 MHz	80 Ohm	20 pF
ECS Inc. ECS-196.6-S-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	19.6608 MHz	40 Ohms
ECS Inc. ECS-110.5-20-4	50 ppm	Through Hole	0.138 "	3.5 mm	70 °C	-10 °C	30 ppm	HC-49/US	0.183 "	11.35 mm	0.447 "	4.65 mm	MHz Crystal	Fundamental	11.0592 MHz	60 Ohms	20 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	1000	$ 0.46
	N/A	0	$ 0.46
Mouser	N/A	1	$ 0.71
		10	$ 0.62
		100	$ 0.48
		600	$ 0.46
		1000	$ 0.42
		2000	$ 0.41
		5000	$ 0.40
		10000	$ 0.39
		25000	$ 0.39

Description

General part information

HC-49US Series

18.432 MHz ±30ppm Crystal Series 40 Ohms HC-49/US

Documents

Technical documentation and resources

Crystal Part Numbering Guide

Datasheet