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

CS71

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: Jan 10, 2018

Pb in high temperature solder exempt

per RoHS 2002/95/EC Annex (7a)

PLASTIC MOLDED SMD TUNING FORK CRYSTAL (7.0 x 1.5 x 1.4mm)

FEATURES:

•

MINITURE TUNING FORK CRYSTAL

••••

LOW PROFILE FOR HIGH DENSITY PCB DESIGN

••••

INDUSTRIAL OPERATING TEMPERATURE RANGE (-40°C ~ 85°C)

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 RANGE

32.768kHz

FREQUENCY TOLERANCE @ 25ºC

±20ppm, ±50ppm

TEMPERATURE COEFFICIENT

-0.034ppm ±0.006 ppm / ºC

2

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

1.20pF typ.

MOTIONAL CAPACITANCE

0.0023pF typ.

EQUIVALENT SERIES RESISTANCE

65kΩ max.

INSULATION RESISTANCE

500MΩ min. @ 100VDC ± 15VDC

DRIVE LEVEL

0.1µW typ. 1.0µW max.

AGING @ 25°C ± 3°C

±3.0ppm/ 1

st year max.

SHOCK

±5.0ppm max.

VIBRATION

±5.0ppm max.

■ SOLDER PATTERN

■ PART NUMBERING GUIDE

■ PACKAGE DIMENSIONS

Unit : mm

■ REFLOW PROFILE

255 ±5°C

150 ±5°C

Pre-heating

Soldering

<10 Sec

<120 Sec

Note: Consult factory for detail

Unit :mm

0.4

1

4

3

2

0.4

7.0

Marking

3

2

1

4

6.7

0.1

0.1

5.1

0.9

0.6

1.2

CS71

32.768K

TR

Load Capacitance

Blank: 12.5pF (STD)

7: 7pF

6: 6pF

Frequency

32.768kHz

Other Options

TR: Tape and reel

A

Tolerance @ 25°C

A: ±20ppm

B: ±50ppm