ECS ECX-31B Data Sheet

 Low Profile
 3.2 x 1.5 mm Footprint
 Extended Temp. Range
 RoHS Compliant

ECX-31B

SMD TUNING FORK CRYSTAL

The ultra-miniature ECX-31B is a very compact SMD Tuning
Fork Crystal. The 3.2 x 1.5 x 0.9 mm ceramic package is ideal
for today's SMD manufacturing environment.

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS CONDITIONS

MIN TYP MAX

ECX-31B

UNITS

Frequency FO

Frequency Tolerance @ +25°C

Load Capacitance

Drive Level

Equivalent Series Resistance

Turnover Temperature

Temperature Coefficient

Shunt Capacitance

First Year Aging

Operating Temperature

Storage Temperature

Insulation Resistance

TOP, BOTTOM, SIDE VIEWS & LAND PATTERN

Optional ±10 ppm, See P/N Guide

Specify in P/N

DL

R1

Co

+25°C ±3°C

Topr

Tstg

@ 100V DC

+20

-0.028

-40

-55

500M

32.768

12.5

0.1

+25

+25

-0.034

1.05

± 20

1.0

70K

+30

-0.040

± 3

+85

+125

KHz

ppm

pF

µW

Ω

°C

ppm/°C²

pF

ppm

°C

°C

Ω

PART NUMBERING GUIDE: Example ECS-.327-12.5-34B-TR

ECS - Frequency Abbreviation - Load Capacitance - Package Type - Tolerance - Packaging

.327 = 32.768 KHz

1105 South Ridgeview Road z Olathe, KS 66062 z Phone: [phone] z Fax: [phone] z www.ecsxtal.com

12.5 = 12.5 pF
9 = 9 pF
7 = 7 pF

-34B =
ECX-31B

Blank = ±20 ppm

C = ±10 ppm

-TR = Tape & Reel

3K/Reel