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

CX1VSM crystals consist of a high quality tuning fork resonator in a

rugged, hermetically sealed ceramic package. CX1VSM is intended

for use in Pierce (single inverter) oscillator circuits.

OUTLINE & DIMENSIONS

Specifications stated are typical at 25°C unless otherwise indicated.

Specifications may change without notice.

Frequency Range:

10.0kHz to 600.0kHz

Standard Calibration Tolerance*:

see table

Figure 1

Max = 10~169.9kHz, 2x typical

170~600kHz, 2.5x typical

Figure 2

Quality Factor (Q):

Figure 3

Min. is 0.25x typical

2.0pF max.

Drive Level

10~24.9kHz:

0.5µW max.

25~600.0kHz:

1.0µW max.

Figure 4

Temperature Coefficient (k):

Ageing, first year:

5ppm max.

Shock, survival***:

1,000g, 1ms, ½ sine

Vibration, survival***:

20g rms, 10~2000Hz

Operating Temperature Range

Commercial:

-10° to +70°C

Industrial:

-40° to +85°C

Military:

-55 to +125°C

Storage Temperature Range:

-55° to +125°C

Maximum Process Temperature:

+260°C for 20 seconds

SPECIFICATION

±30ppm

±50ppm

±100ppm

±200ppm

(0.003%)

(0.005%)

(0.01%)

(0.02%)

±100ppm

±100ppm

±200ppm

±500ppm

(0.01%)

(0.01%)

(0.02%)

(0.05%)

±1000ppm

±1000ppm

±2000ppm

±5000ppm

(0.1%)

(0.1%)

(0.2%)

(0.5%)

16~74.9

75~169.9

170~249

STANDARD CALIBRATION TOLERANCE

FEATURES

Frequency Range 10kHz to 600kHz

High shock resistance

Low ageing

Designed for low power applications

Full MIL testing available

10~15.9

11pF

16~24.9

10pF

25~54.9

9pF

Frequency

Range (kHz)

LOAD CAPACITANCE (CL)*

PACKAGING OPTIONS

CX1VSM crystals are available either tray packed (<250pcs) or tape

and reel (>250 pieces).

16mm tape, 178mm or 330mm reels (EIA 418).

CX1VSM CRYSTAL

*

Tighter frequency calibration is available.

**

Other turning point is available

*** Higher shock and vibration survival is available

HOW TO ORDER CX1VSM CRYSTALS

CX1V - S

-

C

-

SM1

-

32.768K

30

/

I

'S' if special,

custom design.

Otherwise leave

blank

Blank = glass lid

C = ceramic lid

Terminations

SM1 = Gold plated *

SM2 = Solder plated

SM3 = Solder dipped

SM4 = Solder plated *

SM5 = Solder dipped *

* = Lead free

Frequency

K = kHz

Calibration

Tolerance

@25°C

(in ppm)

Temp. Range

C = -10° ~ +70°C

I = -40° ~ +85°C

M = -55° ~ +125°C

S = Customer specified

Miniature SMD Crystal for Pierce Oscillators

10kHz to 600kHz

250~600

Frequency Range (kHz)

55~99.9

8pF

100~179.9

5pF

180~600

4pF

Load

Capacitance

Frequency

Range (kHz)

Load

Capacitance

* The load capacitance we use to calibrate CX2VSM.

(Other CL is available.)

SM1

1.65

1.78

SM2/SM4

1.70

1.83

SM3/SM5

1.78

1.90

Terminations

DIMENSION 'H'

Glass Lid

Ceramic Lid