CX1H-SM3-249.9K2000/C datasheet, PDF

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CX1H-SM3-249.9K2000/C: DescriptionQuartz Crystal, QUARTZ CRYSTAL RESONATOR, 0.2499 MHz, MINIATURE, HERMETIC SEALED, CERAMIC, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size300KB，2 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

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CX1H-SM3-249.9K2000/C Overview

Quartz Crystal, QUARTZ CRYSTAL RESONATOR, 0.2499 MHz, MINIATURE, HERMETIC SEALED, CERAMIC, SMD, 2 PIN

CX1H-SM3-249.9K2000/C Parametric

Parameter Name	Attribute value
Maker	Euroquartz
Reach Compliance Code	unknown
Is Samacsys	N
Other features	TRAY; TAPE AND REEL
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	3 µW
frequency stability	0.0071%
frequency tolerance	2000 ppm
Manufacturer's serial number	CX1H
Installation features	SURFACE MOUNT
Nominal operating frequency	0.2499 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-10 °C
physical size	L8.0XB3.56XH1.78 (mm)/L0.315XB0.14XH0.07 (inch)
surface mount	YES
Base Number Matches	1

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EURO

QUARTZ

Miniature SMD Crystal for Series Oscillators

FEATURES

Frequency Range 10kHz to 600kHz

High shock resistance

Low ageing

Designed for low power applications

Full MIL testing available

CX1HSM CRYSTAL

10kHz to 600kHz

OUTLINE & DIMENSIONS

DESCRIPTION

CX1HSM crystals consist of a high quality tuning fork resonator in a

rugged, hermetically sealed ceramic package. CX1VSM is intended

for use in Series (two cascaded inverters) oscillator circuits.

SPECIFICATION

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

Motional Resistance (R

Figure 1

Max = 10~169.9kHz, 2x typical

170~600kHz, 2.5x typical

Motional Capacitance (C

Figure 2

Quality Factor (Q):

Figure 3

Min. is 0.25x typical

Shunt Capacitance (C

2.0pF max.

Drive Level

10~24.9kHz:

1.5µW max.

25~600.0kHz: 3.0µW max.

Turning Point (T

)**:

Figure 4

Temperature Coefficient (k):

-0.035ppm/°C

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

* Tighter frequency calibration is available.

** Other turning point is available

*** Higher shock and vibration survival is available

DIMENSION 'H'

Terminations

SM1

SM2/SM4

SM3/SM5

Glass Lid

1.65

1.70

1.78

Ceramic Lid

1.78

1.83

1.90

STANDARD CALIBRATION TOLERANCE

Frequency Range (kHz)

10~74.9

±30ppm

(0.003%)

±100ppm

(0.01%)

±1000ppm

(0.1%)

75~169.9

170~249.9

±50ppm

(0.005%)

±100ppm

(0.01%)

±1000ppm

(0.1%)

±100ppm

(0.01%)

±200ppm

(0.02%)

±2000ppm

(0.2%)

250~600

±200ppm

(0.02%)

±500ppm

(0.05%)

±5000ppm

(0.5%)

PACKAGING OPTIONS

CX1HSM crystals are available either tray packed (<250pcs) or tape

and reel (>250 pieces).

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

HOW TO ORDER CX1HSM CRYSTALS

CX1H - S

'S' if special,

custom design.

Otherwise leave

blank

Blank = glass lid

C = ceramic lid

SM1

32.768K

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

Terminations

SM1 = Gold plated *

SM2 = Solder plated

SM3 = Solder dipped

SM4 = Solder plated *

SM5 = Solder dipped *

* = Lead free

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

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