Transko Electronics, Inc. 3981 E. Miraloma Ave. CA 92806 USA

Tel: 714-528-8080 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com

Ver. 2: Sep. 2013

CS31

RoHS

Compliant

Transko Electronics, Inc. 3981 E. Miraloma Ave. Anaheim, CA 92806 USA

Tel: 714-528-8000 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com

Rev.2: Nov. 2014

MINIATURE CERAMIC SMD TUNING FORK CRYSTAL (3.2 x 1.5 x 0.8mm)

FEATURES:



SMALL CERAMIC SMD PACKAGE TUNING FORK



EXCELLENT HEAT RESISTANCE



-

40°C ~ 85°C OPERATING TEMPERATURE

Transko Electronics, Inc reserves the right to make changes to the product (s), service (s), and specification (s) described herein without notice. See “Terms of Sale” for details on our website.

■ SPECIFICATION

FREQUENCY

32.768kHz

FREQUENCY TOLERANCE

STD: ±20ppm (See P/N guide for other options)

TEMPERATURE COEFFICIENT

-

0.034ppm ±0.006 ppm / ºC2

OPERATING TEMPERATURE RANGE

-

40°C ~ 85°C

STORAGE TEMPERATURE RANGE

-

55°C ~ 125°C

TURN OVER TEMPERATURE

25°C ± 5°C

LOAD CAPACITANCE

STD: 12.5pF (See P/N guide for other options)

SHUNT CAPACITANCE

2.0pF max.

MOTIONAL CAPACITANCE

0.0036pF typ.

EQUIVALENT SERIES RESISTANCE

80k

 max.

INSULATION RESISTANCE

500M

 min. @ 100VDC ± 15VDC

DRIVE LEVEL

0.1µW typ. 1.0µW max.

AGING @ 25°C ± 3°C

±3.0ppm / 1st year max.

SHOCK

±5.0ppm max.

VIBRATION

±5.0ppm max.

■ SOLDER PATTERN

■ PART NUMBERING GUIDE

■ PACKAGE DIMENSIONS

Pin Configuration

1

Xtal

2

Xtal

Unit : mm

■ REFLOW PROFILE

Unit :mm

Marking

3.20

1.70

0.75

1

2

1.1

1.90

2.50

CS31

32.768K

12.5

TR

Load Capacitance

12.5: 12.5pF

9: 9pF

7: 7pF

4:

4pF

Frequency

32.768kHz

Other Options

TR: Tape and reel

A

Tolerance @ 25°C

Blank: ±20ppm

A:

±10ppm

B:

±50ppm

Note: Consult factory for detail

Soldering

255 ±5°C

150 ±5°C

Pre-heating

<10 Sec

<120 Sec

170 ±5°C