QETF26-GW

Tuning Fork 32.768KHz – clock source for communication equipment

Specification (rev-A)

November 30

Freque ncy

1

TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.

Electrical Characteristics

Electrical Parameters

Unit

Minimum

Typical

Maximum

Test conditions

Frequency Range

KHz

32.768

Operating Temperature

Range

°C

-20

70

Storage Temperature

Range

°C

-40

85

Frequency Tolerance

ppm

± 20

Ref at 25°C

Frequency Stability

ppm

-0.04 x (∆ °C)

2

Turn over temp. at

25°C ± 5°C

Aging (First Year)

ppm

± 5

Ref at 25°C

Load Capacitance (CL)

pF

12.5

± 0.2pF

Shunt Capacitance (C0)

pF

2

Series Resistance (ESR)

KΩ

50

Drive Level

µW

0.8

1.0

1.2

Insulation Resitance

MΩ

500

Environmental Specifications

Test Conditions

Vibration Test

Subject sample to 2-mimute cycles (frequencies from 10 to 500Hz) with 1.5mm

amplitude or 100g acceleration during 2 hrs in each direction (X,Y,Z). 6 hours in total.

Shock Test

Orient the sample in any attitude and drop it 3 times from a height of 50cm onto a

hardwood board with a thickness of 3cm.

Mechanical Characteristics

Recommended

Solder Pad