E1UAA18-18.218M datasheet, PDF

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E1UAA18-18.218M: DescriptionQuartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 18.218MHz ±50ppm at 25°C ±100ppm over 0°C to +70°C 18pF Parallel Resonant; CategoryPassive components Crystal/resonator; File Size68KB，3 Pages; ManufacturerECLIPTEK; Websitehttp://www.ecliptek.com; Environmental Compliance

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E1UAA18-18.218M Overview

Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 18.218MHz ±50ppm at 25°C ±100ppm over 0°C to +70°C 18pF Parallel Resonant

E1UAA18-18.218M Parametric

Parameter Name	Attribute value
Brand Name	Ecliptek
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ECLIPTEK
Parts packaging code	HC-49/US Short
package instruction	ROHS COMPLIANT, RESISTANCE WELDED PACKAGE-2
Contacts	2
Manufacturer packaging code	HC-49/US Short
Reach Compliance Code	compliant
Other features	AT-CUT CRYSTAL; BULK
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	1000 µW
frequency stability	0.01%
frequency tolerance	50 ppm
JESD-609 code	e3
load capacitance	18 pF
Manufacturer's serial number	E1U
Installation features	THROUGH HOLE MOUNT
Nominal operating frequency	18.218 MHz
Maximum operating temperature	70 °C
Minimum operating temperature
physical size	L11.18XB4.7XH2.5 (mm)/L0.44XB0.185XH0.098 (inch)
Series resistance	50 Ω
surface mount	NO
Terminal surface	Matte Tin (Sn) - with Nickel (Ni) barrier

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E1UAA18-18.218M

Series

RoHS Compliant (Pb-free) Resistance Welded Short

HC-49/US Crystal

Frequency Tolerance/Stability

±50ppm at 25°C, ±100ppm over 0°C to +70°C

Mode of Operation

AT-Cut Fundamental

RoHS

E1U A A 18 -18.218M

Nominal Frequency

18.218MHz

Load Capacitance

18pF Parallel Resonant

ELECTRICAL SPECIFICATIONS

Nominal Frequency

Frequency Tolerance/Stability

Aging at 25°C

Load Capacitance

Shunt Capacitance (C0)

Equivalent Series Resistance

Mode of Operation

Drive Level

Storage Temperature Range

Insulation Resistance

18.218MHz

±50ppm at 25°C, ±100ppm over 0°C to +70°C

±5ppm/year Maximum

18pF Parallel Resonant

7pF Maximum

50 Ohms Maximum

AT-Cut Fundamental

1mWatt Maximum

-40°C to +125°C

500 Megaohms Minimum at 100Vdc

ENVIRONMENTAL & MECHANICAL SPECIFICATIONS

Fine Leak Test

Gross Leak Test

Lead Integrity

Lead Termination

Mechanical Shock

Resistance to Soldering Heat

Resistance to Solvents

Solderability

Temperature Cycling

Vibration

MIL-STD-883, Method 1014 Condition A

MIL-STD-883, Method 1014 Condition C

MIL-STD-883, Method 2004

Sn 2µm - 6µm

MIL-STD-202, Method 213 Condition C

MIL-STD-202, Method 210

MIL-STD-202, Method 215

MIL-STD-883, Method 2003

MIL-STD-883, Method 1010

MIL-STD-883, Method 2007 Condition A

MECHANICAL DIMENSIONS (all dimensions in millimeters)

LINE MARKING

E18.218M

E=Ecliptek Designator

M=MHz

6.35

MIN

DIA 0.457

±0.051(X2)

11.18

MAX

4.88 ±0.20

2.50 MAX

4.70

MAX

www.ecliptek.com | Specification Subject to Change Without Notice | Rev E 2/16/2010 | Page 1 of 3

E1UAA18-18.218M Related Products

	E1UAA18-18.218M	E1UAA18-18.218M TR
Description	Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 18.218MHz ±50ppm at 25°C ±100ppm over 0°C to +70°C 18pF Parallel Resonant	Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 18.218MHz ±50ppm at 25°C ±100ppm over 0°C to +70°C 18pF Parallel Resonant
Brand Name	Ecliptek	Ecliptek
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Parts packaging code	HC-49/US Short	HC-49/US Short
Contacts	2	2
Manufacturer packaging code	HC-49/US Short	HC-49/US Short
Reach Compliance Code	compliant	163
Ageing	5 PPM/YEAR	5 PPM/YEAR

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