EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001

info@euroquartz.co.uk

www.euroquartz.co.uk

DESCRIPTION

MJ2 crystals are miniature surface-mount crystals produced with a

ceramic substrate and seam-welded metal lid. Their compact size and

low mass make hem an ideal crystal for high-density applications.

Miniature size: 5.0mm x 3.2mm x 0.9mm height

2 pad version

High shock and vibration resistance

Ideal for PDAs, GPS, PCMCIA, Wireless LAN etc.

FEATURES

OUTLINE & DIMENSIONS

Frequency Range

8.0MHz to 50.0MHz:

AT-Cut Fundamental

40.0MHz to 150.0MHz:

AT-Cut 3rd Overtone

Calibration Tolerance at 25ºC:

from ±10ppm to ±100ppm

Frequency stability over Temp:

from ±10ppm to ±100ppm

Operating Temperaure Range:

-10° ~ +60°C to -40° ~ +85°C

Storage Temperature:

-40°~+85°C / -55° ~ +125°C

Effective Series Resistance:

See table

Shunt Capacitance (C0):

2pF to 5pF typical, 7pF maximum

Load Capacitance (CL):

Series or from 6pF to SeriespF

(Customer specified CL)

Ageing:

<±5ppm per year at +25°C

Drive level:

100 mW maximum

Insulation Resistance:

500MΩ min. at 100±15VDC

Reflow Soldering:

10s maximum at 260°C

2 reflows maximum

Package:

Ceramic base, metal lid,

Hermetic seal

Packaging:

12mm EIA tape and reel

1000 pieces per reel

SPECIFICATION

8.0 ~ 10.0

AT Fund.

100

10.01 ~ 12.0

AT Fund.

80

12.01 ~ 20.0

AT Fund.

60

20.01 ~ 50.01 AT Fund.

40

40.01 ~ 150.0 3rd Overtone

80

Frequency

Range (MHz)

Crystal Cut/

Mode

ESR

Ω Max.

EQUIVALENT SERIES RESISTANCE (ESR)

MJ2 CRYSTALS

ENVIRONMENTAL SPECIFICATION

5.0 x 3.2 x 0.9mm SMD

8.0MHz to 150MHz

PART NUMBER GENERATION

Part numbers for MJ2 crystals are generated as follows:

12.000MHz MJ2/20/30/-10+60/18pF/ATF/60R

RoHS Status:

Compliant

Gross Leak:

1kg pressurized water immersion

test as per Euroquartz procedures.

Fine Leak:

Shock:

±5ppm max. Free drop 3 times

from 75cm height onto a hard

wooden board or half sine wave

acceleration of 100g peak

amplitude for 11 ms duration, 3

cycles each plane.

Vibration:

±5ppm max., frequency 10 to

55Hz, amplitude 1.5mm or

10g rms. Duration 6 hours.

Solderability:

MIL-STD-883, Method 2003

Humidity:

48 hours at 85°C, relative

humidity, non-condensing

Thermal Shock:

Temperature cycling: Exposed to

-40°C for 30 minutes then to

+85°C for 30 minutes,

- duration 5 days.

Nominal

Frequency

Package MJ2

Calibration tolerance

at 25°C (±ppm)

Temperature Stability

over temp. range (±ppm)

Operating Temp. Range (°C)

(Lower and upper limits)

Load Capacitance

(Either SR for series or CL in pF)

Mode: ATF = Fundamental

AT3 = 3rd Overtone

(Optional, use when mode clarity is required)

Equivalent Series Resistance

(Optional)