ECS-.327-6-17-TR ECS Inc, ECS-.327-6-17-TR Datasheet

ECS-.327-6-17-TR

Manufacturer Part Number

ECS-.327-6-17-TR

Description

CRYSTAL 32.768KHZ 6PF SMD

Manufacturer

ECS Inc

Series

ECX-306r

Type

Tuning Forkr

Datasheet

1.ECS-.327-6-17-TR.pdf (1 pages)

Specifications of ECS-.327-6-17-TR

Frequency

32.768kHz

Frequency Tolerance

±20ppm

Load Capacitance

6pF

Operating Mode

Fundamental

Operating Temperature

-10°C ~ 60°C

Mounting Type

Surface Mount

Package / Case

4-SOJ, 5.50mm pitch

Size / Dimension

0.315" L x 0.150" W (8.00mm x 3.80mm)

Height

0.098" (2.50mm)

Frequency Stability

±49ppm

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Other names

ECS-.327-6-17
XC746TR

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ECX-306/306I

PART NUMBERING GUIDE

** Package Type examples (-17= ECX-306, 17 I = ECX-306 I )

OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS

PACKAGE DIMENSIONS (mm)

ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM

0.5

Figure 1) ECX-306 - Top, Side and End views

ECS

PARAMETERS

NOMINAL FREQUENCY

LOAD CAPACITANCE

DRIVE LEVEL

CALIBRATION TOLERANCE

EQUIVALENT SERIES RESISTANCE

TEMPERATURE COEFFICIENT

OPERATING TEMPERATURE RANGE

MAX. OPERATING TEMPERATURE RANGE

Q FACTOR

TURNOVER TEMPERATURE

STORAGE TEMPERATURE RANGE

INSULATION RESISTANCE

SHUNT CAPACITANCE

MOTIONAL CAPACITANCE

AGING (FIRST YEAR)

8.0 Max.

5.5

with pin connections

0.5

–

FREQUENCY

.327

Figure 3) ECX-306/306 I Land Pattern - Top view

“EXAMPLE”

1.3

@ 25˚C

∆f/fo

OPR

STG

–

SMD TUNING FORK CRYSTAL

Housing for the ECX-306/306I crystal is

made from the same thermoplastic that

is industry standard for integrated cir-

cuits. This ruggedized molded package

is excellent for SMD applications.

4.2

LOAD CAPACITANCE

SMD CRYSTALS

12.5

1.3

0.5

Figure 2) ECX-306 I - Top, Side and End views

8.7 Max.

5.5

–

with pin connections

0.5

12.5 Standard (6.0 Optional)

PACKAGE TYPE**

500M

±3 PPM max. @ +25˚C

-0.040 PPM/˚C

SMD CRYSTALS

0.003 pF typical

ECX-306/306

Ω

50,000 min.

1.35 typical

-55 ~ +125

-10 ~ +60

-40 ~ +85

+25 ± 5

50 max.

32.768

1 max.

min./ DC 100V

±20

1.15

max.

• Low profile

• Long term stability

• Industry standard footprint

• Excellent shock resistance

• Excellent environmental characteristics

• Tape and Reel (3,000 pcs)

FEATURES

T (˚C)

To determine frequency stability, use parabolic

curvature. For example: What is the stability at 45˚C?

1) Change in T (˚C) = 45 -25 = 20˚C

2) Change in frequency = -0.04 PPM x ( ∆ T)

PARABOLIC TEMPERATURE CURVE

RECOMMENDED OSCILLATION

ELECTRICAL CHARACTERISTICS

-20

= 22pF, C

-10

Rd: 330KΩ (As required)

IC: TC 4069P, Rf: 10MΩ

CIRCUIT

-10

-20

-30

-40

-50

-60

f/f (PPM)

PPM/(∆C˚)

20 30 40 50

= 22pF, V

UNITS

PPM

KHz

MΩ

µW

KΩ

°C

˚C

= -0.04 PPM x (20)

= -16.0 PPM

In this circuit, low

drive level with a

maximum of 1µW

is recommended.

If excessive drive

is applied, irregu-

lar oscillation or

quartz element

fractures may

occur.

= 3.0V

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