ECS-.327-12.5-24-TR ECS Inc, ECS-.327-12.5-24-TR Datasheet

ECS-.327-12.5-24-TR

Manufacturer Part Number

ECS-.327-12.5-24-TR

Description

CRYSTAL 32.768KHZ 12.5PF SMD

Manufacturer

ECS Inc

Series

ECX-3TAr

Type

Tuning Forkr

Datasheet

1.ECS-.327-12.5-24-TR.pdf (1 pages)

Specifications of ECS-.327-12.5-24-TR

Frequency

32.768kHz

Load Capacitance

12.5pF

Frequency Tolerance

±20ppm

Operating Mode

Fundamental

Operating Temperature

-10°C ~ 60°C

Mounting Type

Surface Mount

Package / Case

4-ESOP (0.098", 2.50mm Width)

Size / Dimension

0.287" L x 0.098" W (7.30mm x 2.50mm)

Height

0.071" (1.80mm)

Frequency Stability

±49ppm

Tolerance

20 %

Termination Style

SMD/SMT

Operating Temperature Range

- 10 C to + 60 C

Dimensions

4.1 mm W x 7.3 mm L x 2 mm H

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Other names

X488TR

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ECX-3TA

PART NUMBERING GUIDE

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

MANUFACTURER

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)

0.4

Figure 1) ECX-3TA – Top, Side and End views

7.3 max.

Figure 2) ECX-3TA – Land Pattern - Top view

5.08

–

FREQUENCY

MICRO MINIATURE SMD TUNING FORK CRYSTAL

.327

1.2

“EXAMPLE”

@ +25˚C

3.88

∆f/fo

OPR

STG

–

The ECX-3TA is a 2.0mm low profile

ruggedized thermoplastic molded

32.768KHz SMD tuning fork crystal. This

crystal is excellent for SMD applications with

limited circuit board space requirements.

LOAD CAPACITANCE

1.2

SMD CRYSTALS

12.5

In this circuit, low drive level with a maximum of

1µW is recommended. If excessive drive is

applied, irregular oscillation or quartz element

fractures may occur.

RECOMMENDED OSCILLATION

ELECTRICAL CHARACTERISTICS

–

Rd: 330KΩ (As required)

12.5 Standard (6.0 Optional)

500M

PACKAGE TYPE

±3 PPM max. @ +25˚C

= 22pF, C

-0.040 PPM /˚C

IC: TC 4069P

SMD CRYSTALS

CIRCUIT

Rf: 10MΩ

0.003 pF typical

Ω

50,000 min.

-55 ~ +125

-10 ~ +60

2.0 typical

-40 ~ +85

= 3.0V

ECX-3TA

1.0 max.

50 max.

+25 ± 5

32.768

min./ DC 100V

±20

= 22pF

max.

• Low profile 2.0mm maximum height

• Industry standard footprint

• Long term stability

• Excellent shock resistance

• Excellent environmental characteristics

• Tape & 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

-20

-10

-20

-30

-40

-50

-60

f/f (PPM)

= -0.04 PPM x (20)

= -16.0 PPM

20 30 40 50

PPM/(∆C˚)

UNITS

PPM

KHz

K Ω

MΩ

µW

˚C

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