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E1U

Series

• RoHS Compliant (Pb-Free)

• HC-49/US short package

• AT or BT cut available

• Resistance weld seal

• Tight tolerance/stability

• Tape and reel, insulator tab,

and custom lead length options available

NOTES

E1U

H 2.50

L 11.18

W 4.70

CRYSTAL

_____________________________________________________________________________________________________________________________________________________________________________________________

ELECTRICAL SPECIFICATIONS

Frequency Range

Frequency Tolerance / Stability

Over Operating Temperature Range

Operating Temperature Range

Aging (at 25°C)

Storage Temperature Range

Shunt Capacitance

Insulation Resistance

Drive Level

Load Capacitance (C

)

3.579545MHz to 50.000MHz

±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm (AT cut only), ±15ppm / ±30ppm (AT cut only),

±15ppm / ±20ppm (AT cut only), or ±10ppm / ±15ppm (AT cut only)

0°C to 70°C, -20°C to 70°C (AT cut only), or -40°C to 85°C (AT cut only)

±5ppm / year Maximum

-40°C to 125°C

7pF Maximum

500 Megaohms Minimum at 100V

1 mWatt Maximum

18pF Parallel Resonant (Standard), Custom C

≥10pF

Parallel Resonant, or Series Resonant

EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT

Frequency Range

3.579545MHz to 4.999MHz

5.000MHz to 5.999MHz

6.000MHz to 7.999MHz

8.000MHz to 8.999MHz

9.000MHz to 9.999MHz

10.000MHz to 14.999MHz

MANUFACTURER

ESR (Ω)

200 Max

150 Max

120 Max

90 Max

80 Max

70 Max

CATEGORY

Mode / Cut

Fundamental / AT

SERIES

Frequency Range

15.000MHz to 15.999MHz

16.000MHz to 23.999MHz

24.000MHz to 30.000MHz

24.000MHz to 40.000MHz

24.576MHz to 29.999MHz

30.000MHz to 50.000MHz

PACKAGE

ESR (Ω)

60 Max

50 Max

40 Max

150 Max

100 Max

CLASS

Mode / Cut

Fundamental / AT

Fundamental / BT

Third Overtone / AT

REV

DATE

ECLIPTEK CORP.

CRYSTAL

E1U

HC-49/US Short

CR41

08/08

800-ECLIPTEK www.ecliptek.com for latest revision

Specifications subject to change without notice.

PART NUMBERING GUIDE

E1U A A 18 - 20.000M - I2 TR

FREQUENCY TOLERANCE / STABILITY

A=±50ppm at 25°C, ±100ppm from 0°C to 70°C

B=±50ppm at 25°C, ±100ppm from -20°C to 70°C

C=±50ppm at 25°C, ±100ppm from -40°C to 85°C

D=±30ppm at 25°C, ±50ppm from 0°C to 70°C

E=±30ppm at 25°C, ±50ppm from -20°C to 70°C

F=±30ppm at 25°C, ±50ppm from -40°C to 85°C

G=±15ppm at 25°C, ±30ppm from 0°C to 70°C

H=±15ppm at 25°C, ±30ppm from -20°C to 70°C

J=±15ppm at 25°C, ±30ppm from -40°C to 85°C

K=±15ppm at 25°C, ±20ppm from 0°C to 70°C

L=±15ppm at 25°C, ±20ppm from -20°C to 70°C

M=±15ppm at 25°C, ±20ppm from -40°C to 85°C

N=±10ppm at 25°C, ±15ppm from 0°C to 70°C

P=±10ppm at 25°C, ±15ppm from -20°C to 70°C

PACKAGING OPTIONS

Blank=Bulk, A=Tray, TR=Tape and Reel

AVAILABLE OPTIONS

Blank=None (Standard)

CX=Custom Lead Length

I2=Insulator Tab

FREQUENCY

LOAD CAPACITANCE

S=Series Resonant

XX=XXpF Parallel Resonant

MODE OF OPERATION / CRYSTAL CUT

A=Fundamental / AT

B=Third Overtone / AT

D=Fundamental / BT

MECHANICAL DIMENSIONS

ALL DIMENSIONS IN MILLIMETERS

TAPE AND REEL DIMENSIONS

ALL DIMENSIONS IN MILLIMETERS

ENVIRONMENTAL/MECHANICAL SPECIFICATIONS

PARAMETER

SPECIFICATION

MARKING SPECIFICATIONS

1000 Pieces per Reel

Compliant to EIA-468B

ESD Susceptibility

Fine Leak Test

Flammability

Gross Leak Test

Lead Integrity

Mechanical Shock

Moisture Resistance

Moisture Sensitivity

Resistance to Soldering Heat

Resistance to Solvents

Solderability

Temperature Cycling

Vibration

MANUFACTURER

MIL-STD-883, Method 3015, Class 1, HBM: 1500V

MIL-STD-883, Method 1014, Condition A

UL94-V0

MIL-STD-883, Method 1014, Condition C

MIL-STD-883, Method 2004

MIL-STD-202, Method 213, Condition C

MIL-STD-883, Method 1004

J-STD-020, MSL1

MIL-STD-202, Method 210, Condition K

MIL-STD-202, Method 215

MIL-STD-883, Method 2003

MIL-STD-883, Method 1010, Condition B

MIL-STD-883, Method 2007, Condition A