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EC2SM

Series

• HC-49/UP package

• AT or BT cut available

• Resistance weld seal

• Tight tolerance/stability

• Tape and reel available

EC2SM

H 4.50

L 13.30

W 4.85

CRYSTAL

NOTES

_____________________________________________________________________________________________________________________________________________________________________________________________

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

±5ppm / year Maximum

-40°C to 85°C

7pF Maximum

500 Megaohms Minimum at 100V

1 mWatt Maximum

18pF (Standard), Custom C

≥10pF,

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

Mode / Cut

Fundamental / AT

Frequency Range

15.000MHz to 15.999MHz

16.000MHz to 23.999MHz

24.000MHz to 30.000MHz

24.000MHz to 40.000MHz

28.6363MHz to 29.999MHz

30.000MHz to 50.000MHz

ESR (Ω)

60 Max

50 Max

40 Max

150 Max

100 Max

Mode / Cut

Fundamental / AT

Fundamental / BT

Third Overtone / AT

REV

DATE

CATEGORY

SERIES

PACKAGE

CLASS

ECLIPTEK CORP.

CRYSTAL

EC2SM

HC-49/UP

CR03

03/06

800-ECLIPTEK www.ecliptek.com for latest revision

Specifications subject to change without notice.

PART NUMBERING GUIDE

EC2SM A - T - 20 - 30.000M TR

FREQUENCY TOLERANCE / STABILITY

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

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

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

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

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

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

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

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

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

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

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

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

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

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

PACKAGING OPTIONS

Blank=Bulk, TR=Tape and Reel

FREQUENCY

LOAD CAPACITANCE

Blank=18pF (Standard), S=Series

XX=XXpF (Custom)

MODE OF OPERATION / CRYSTAL CUT

Blank=Fundamental / AT,

B=Fundamental / BT

T=Third Overtone / AT

MECHANICAL DIMENSIONS

ALL DIMENSIONS IN MILLIMETERS

SUGGESTED SOLDER PAD LAYOUT

ALL DIMENSIONS IN MILLIMETERS

Coplanarity: 0.36mm Maximum

Tolerances = ±0.2

TAPE AND REEL DIMENSIONS

ALL DIMENSIONS IN MILLIMETERS

TAPE

24±.3

11.5±.1

10.75±.1

4 ±.2

2±.1

REEL

1.5 MIN

50 MIN

20.2 MIN

13±.2

40 MIN

QTY/REEL

1,000

12±.2

B0*

1.5 +.1

A0*

.4±.1

K0*

2.5 MIN

10 MIN

30.4 MAX

360 MAX

24.4+2-0

*Compliant to EIA-481A

ENVIRONMENTAL/MECHANICAL SPECIFICATIONS

MARKING SPECIFICATIONS

PARAMETER

SPECIFICATION

Fine Leak Test

Gross Leak Test

Mechanical Shock

Vibration

Solderability

Temperature Cycling

Resistance to Soldering Heat

Resistance to Solvents

MIL-STD-883, Method 1014, Condition A

MIL-STD-883, Method 1014, Condition C

MIL-STD-202, Method 213, Condition C

MIL-STD-883, Method 2007, Condition A

MIL-STD-883, Method 2002

MIL-STD-883, Method 1010

MIL-STD-883, Method 210

MIL-STD-883, Method 215

Line 1: E XX.XXX M

M or Blank (No Marking)

Frequency in MHz

(5 Digits Maximum + Decimal)

MANUFACTURER