Crystals, Oscillators, Resonators

ECS-250-20-1X-EM

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ECS Inc.

CRYSTALS CRYSTAL 25.0000MHZ 20PF T/H +/-30/50 PPM -20 - +70C

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Crystals, Oscillators, Resonators

ECS-250-20-1X-EM

Active

ECS Inc.

CRYSTALS CRYSTAL 25.0000MHZ 20PF T/H +/-30/50 PPM -20 - +70C

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DocumentsCrystal Part Numbering Guide Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ECS-250-20-1X-EM

ESR (Equivalent Series Resistance)	20 Ohms
Frequency	25 MHz
Frequency Stability	50 ppm
Frequency Tolerance	30 ppm
Height - Seated (Max) [Max] [z]	0.53 in
Height - Seated (Max) [Max] [z]	13.46 mm
Load Capacitance	20 pF
Mounting Type	Through Hole
Operating Mode	Fundamental
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	-20 ░C
Package / Case	HC-49/U
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

HC49UX Series

Part	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Load Capacitance	Operating Mode	Type	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Frequency Tolerance	Mounting Type	ESR (Equivalent Series Resistance)	Frequency Stability	Frequency	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]
ECS Inc. ECS-250-20-1X-EM	0.53 in	13.46 mm	20 pF	Fundamental	MHz Crystal	-20 ░C	70 °C	HC-49/U	30 ppm	Through Hole	20 Ohms	50 ppm	25 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-110.5-S-1X	0.53 in	13.46 mm		Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	30 Ohm	50 ppm	11.0592 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-92.1-S-1X	0.53 in	13.46 mm		Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	35 Ohms	50 ppm	9.216 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-184-18-1X	0.53 in	13.46 mm	18 pF	Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	20 Ohms	50 ppm	18.432 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-18-13-1X	0.53 in	13.46 mm	13 pF	Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	750 Ohms	50 ppm	1.8432 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-35-S-1X	0.53 in	13.46 mm		Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole		50 ppm	3.579545 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-20-S-1X	0.53 in	13.46 mm		Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	500 Ohms	50 ppm	2 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-80-32-1X	0.53 in	13.46 mm	32 pF	Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	35 Ohms	50 ppm	8 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm
ECS Inc. ECS-196.6-20-1X	0.53 in	13.46 mm	20 pF	Fundamental	MHz Crystal	-10 °C	70 °C	HC-49/U	30 ppm	Through Hole	20 Ohms	50 ppm	19.6608 MHz	0.183 "	11.35 mm	0.447 "	4.65 mm

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	$ 0.66
		10	$ 0.59
		50	$ 0.55
		100	$ 0.49
		500	$ 0.46
		1000	$ 0.45
	N/A	566	$ 0.91
Mouser	N/A	1	$ 0.91
		10	$ 0.79
		50	$ 0.72
		100	$ 0.69
		200	$ 0.66
		500	$ 0.62
		1000	$ 0.57
		2500	$ 0.55
		5000	$ 0.53

Description

General part information

HC49UX Series

25 MHz ±30ppm Crystal 20pF 20 Ohms HC-49/U

Documents

Technical documentation and resources

Crystal Part Numbering Guide

Datasheet