FREQHC35/3/25/55/30PF/AT7 datasheet, PDF

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FREQHC35/3/25/55/30PF/AT7: DescriptionParallel - 7Th Overtone Quartz Crystal, 80MHz Min, 200MHz Max, HERMATIC SEALED, RESISTANCE WELDED PACKAGE-3; CategoryPassive components Crystal/resonator; File Size149KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

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FREQHC35/3/25/55/30PF/AT7 Overview

Parallel - 7Th Overtone Quartz Crystal, 80MHz Min, 200MHz Max, HERMATIC SEALED, RESISTANCE WELDED PACKAGE-3

FREQHC35/3/25/55/30PF/AT7 Parametric

Parameter Name	Attribute value
Maker	Euroquartz
package instruction	HERMATIC SEALED, RESISTANCE WELDED PACKAGE-3
Reach Compliance Code	compliant
Other features	AT-CUT CRYSTAL; BULK
Ageing	2 PPM/FIRST YEAR
Crystal/Resonator Type	PARALLEL - 7TH OVERTONE
Drive level	100 µW
frequency stability	0.0025%
frequency tolerance	3 ppm
load capacitance	30 pF
Installation features	THROUGH HOLE MOUNT
Maximum operating frequency	200 MHz
Minimum operating frequency	80 MHz
Maximum operating temperature	105 °C
Minimum operating temperature	-55 °C
physical size	D9.39XH6.6 (mm)/D0.37XH0.26 (inch)
Series resistance	70 Ω
surface mount	NO

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THROUGH-HOLE CRYSTALS

HC35 CRYSTALS (TO5)

DESCRIPTION

HC35 crystals are used in communications, aerospace and defence

applications The crystal blank used in HC35 packages is capable of being

manufactured to close tolerances and is readily produced with custom

frequencies and specifications.

OUTLINES AND DIMENSIONS

FEATURES

Wide frequency range

Small profile, low-mass package

Close tolerances easily achieved

Fully customisable specification

Industry-standard package

GENERAL SPECIFICATION

Frequency Range:

Oscillation Mode:

Calibration Tolerance at 25ºC:

Frequency stability over temp:

Operating Temperature Range:

Shunt Capacitance (C0):

Load Capacitance (CL):

Motional Capacitance (C1):

Effective Series Resistance:

Ageing:

Drive level:

Shock:

Vibration:

Holder:

Supply format:

8.0MHz to 250MHz

See table

from ±3ppm

from ±3ppm (see table)

From 0°~+50° to -55°~+125°C

4pF maximum (See table)

Series or from 8pF to 32pF

(Customer specified CL)

See table

±2ppm max 1st year,

±1ppm typical per year after

100uW maximum

100g/6ms

10g/1.5mm, 10~500Hz, 3 axis

Resistance-weld, hermetic seal

Bulk pack

FREQUENCY STABILITY OVER TEMPERATURE

Operating

Temp. °C

0° to +50°

-10° to +60°

-20° to +70°

-30° to +80°

-40° to +90°

-55° to +105°

-55° to +125°

Temperature Stability (ppm)

±3

±5

±7

±10 ±20 ±25 ±30 ±50

OSCILLATION MODE, ESR & SHUNT CAPACITANCE

Frequency

(MHz)

8.0~9.9

10.0~10.99

11.0~12.9

13.0~45.0

30.0~50.0

50.1~100.0

80.0~200

150~250

Crystal Cut

Osc. Mode

AT Fund.

AT 3rd OT

AT 5th OT

AT 7th OT

AT 9th OT

ESR (max)

(Ohms)

120

(pF)

2.5

3.0

4.0

PART NUMBER GENERATION

HC35 crystal part numbers are derived as follows:

Example:

16.000MHz HC35/10/20/10/30pF/ATF

MOTIONAL CAPACITANCE (C1)

Frequency

Package = HC35

Calibration Tolerance at 25°C ±ppm

Temperature Stability ±ppm

Operating Temperature Range

lower figure of temp. range

e.g. ‘10’ = -10°~+60°C

‘20’ = -20°~+70°C

Circuit Condition

(CL in pF or SERIES)

Mode

- ATF (AT-Cut, Fundamental)

- AT3 (AT-Cut, 3rd overtone)

- AT5 (AT-Cut, 5th overtone)

- AT7 (AT-Cut, 7th overtone)

- AT9 (AT-Cut, 9th overtone)

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk

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