25.000MHZ HC49/4H/30/50/40/18P EUROQUARTZ, 25.000MHZ HC49/4H/30/50/40/18P Datasheet

CRYSTAL, THT, 25.000MHZ

25.000MHZ HC49/4H/30/50/40/18P

Manufacturer Part Number
25.000MHZ HC49/4H/30/50/40/18P
Description
CRYSTAL, THT, 25.000MHZ
Manufacturer
EUROQUARTZ
Series
HC49/4Hr

Specifications of 25.000MHZ HC49/4H/30/50/40/18P

Operating Temperature Range
-40°C To +85°C
Crystal Mounting Type
Through Hole
Crystal Case
RoHS Compliant
Frequency
25MHz
Frequency Tolerance
± 30ppm
Load Capacitance
18pF
Frequency Stability
± 50ppm
SPECIFICATION
DESCRIPTION
ESR and OSCILLATION MODE
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001
EURO
HC49-4H crystals share the same base outline as the industry-
standard HC49 crystal. The crystal uses at AT-cut strip crystal with an
hermetically sealed can. HC49-4H crystals provide a low cost source
of system clock frequency.
Frequency Range:
Oscillation Mode
Calibration Tolerance at 25ºC
Frequency Stability
Load Capacitance (CL):
Ageing at 25°C:
Drive Level:
Storage Temperature Range:
Crystal Holder:
RoHS Status:
Supply format:
Low-cost, industry-standard crystal unit
AT-Cut strip crystal with hermetically sealed can
Frequency range 1.0MHz to 70MHz
Package height options available
AT-Cut Fundamental:
BT-Cut Fundamental:
AT-Cut 3rd Overtone:
AT-Cut:
BT-Cut:
AT-Cut:
BT-Cut:
Range MHz
3.2 ~ 3.4
3.5 ~ 6.0
6.1 ~ 10.0
10.1 ~ 30.0
24.0 ~ 48.0
27.0 ~ 30.0
30.1 ~ 50.0
50.1 ~ 70.0
Frequency
QUARTZ
Crystal Cut
Osc. Mode
AT-3rd OT
AT-3rd OT
AT-3rd OT
AT-Fund
AT-Fund
AT-Fund
AT-Fund
BT-Fund
3.2MHz to 70.0MHz
3.2MHz to 30.0MHz
24.0MHz to 48.0MHz
27.0MHz to 70.0MHz
±30ppm (tolerance to ±10ppm
is available.)
±30ppm
±30ppm over -10° to +60°C
(Stability to ±10ppm is available)
±100ppm pver -10 to +60°C
Series or from 8pF to 32pF
±3ppm maximum, 1st year,
±1ppm per year thereafter.
100mWatts typ., 500mWatts max.
-50° to +105°C
Resistance-weld hermetic seal
Compliant
Bulk pack (Radial tape and reel
is available)
Ohms Max.
300
120
150
100
ESR
80
40
40
60
HC49-4H and HC49-4HL Crystals
sales@euroquartz.co.uk
PART NUMBER GENERATION
Part numbers for HC49-4H crystals are generated as follows:
Example:
Frequency / holder /calibration tolerance /stability over op. temp.
/op. temp. range / circuit condition /ESR or operating mode
8.000MHz HC49-4H/30/50/-20+70/30pF/30R
www.euroquartz.co.uk

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