19

EMEA Tel/Fax: +44 .1767.312632 | Asia Hong Kong Tel: +852.2854.4285 Fax +852.2854.4282 | Japan Tel: +81.3.3374.2079 Fax: +81.3.3374.5221

© 2009 FOX ELECTRONICS | ISO9001:2000 Certified

FEATURES

• Ultra Low Profile

• Fundamental

“Now available as FX252BS. See PCN310 for details.”

•

PARAMETERS

Frequency Range

Frequency Tolerance @ 25ºC

Frequency Stability, ref @ 25ºC

Over Operating Temp Range

Temperature Range

Operating

Storage

Shunt Capacitance (Co)

Load Capacitance

Drive Level

Aging per year

Reflow Soldering Temperature

Moisture Sensitivity Level (MSL)

Termination Finish

16.000 ~ 54.000 MHz

-40ºC ~ +85ºC

5 pF

10 pF~Series

(Customer Specified)

100 µW

±5 PPM

260ºC x 10 Seconds (2 Cycles)

1

Au/Sn

• PART NUMBER

16.000 ~ 54.000

FX252B

Model Number

Part Number

637S-Frequency-xxxxx

Learn More - Internet Required

Frequency Range (MHz)

1

Tolerances and stabilities to ±10 PPM, operating temps to -40ºC ~ 85ºC available.

Note: Dimensional drawing is for reference to critical specifications defined by size

measurements. Certain non-critical visual attributes, such as side castellations, etc. may vary.

The above specifications, having been carefully prepared and checked, is believed to be ac-

curate at the time of publication; however, no responsibility is assumed by Fox Electronics for

All specifications subject to change without notice.

Ceramic SMD Crystal

Rev. 10/20/2008

RoHS Compliant / Pb Free

http://www.foxonline.com/need_a_sample.htm

Model: FX252B Series

Page 1 of 2

16.000

19.680

24.000

32.000

54.000

Developed Frequencies

19.200

19.800

26.000

48.000

16.000 ~ 26.000

26.000+ ~ 35.000

35.000+ ~ 54.000

Frequency Range

(MHz)

Fundamental

Fundamental

Fundamental

200

100

50

Operating Mode

Max ESR

Ω

All dimensions are in millimeters.

Top View

# 2

# 1

# 3

# 4

# 1

# 2

# 3

# 4

Recom m ended

Solder Pad Layout

0.7

2.5 ±0.1

2.0 ±0.1

0.6 M ax

1.0

Bottom

0.95

0.85

0.5

0.3