Quartz Crystal Resonators
Frequency Control
Products
Through-Hole Mounted Quartz Crystal
HC-49/S Low profile Resistance Welded Quartz Crystal
Current part - suitable for new designs
Standard Specifications
Parameter
Frequency Range
Frequency Tolerance
Frequency Stability
Operating Temperature Range
Storage Temperature Range
Load Capacity
Drive-Level
Shunt Capacitance
Dynamic Capacitance
Ageing
Additional Specifications
Freq Range
3.00 to 3.49 MHz
3.50 to 3.79 MHz
3.80 to 4.09 MHz
4.10 to 4.99 MHz
5.00 to 5.99 MHz
6.00 to 7.99 MHz
8.00 to 9.99 MHz
10.00 to 11.99 MHz
12.00 to 27.99 MHz
28.00 to 33.49 MHz
26.00 to 99.99 MHz
20.00 to 40.00 MHz
Symbol
f
0
∆ f/f
Over OTR
T
OPR
T
STG
C
L
D
L
C
0
C
1
Fa
Specification
3.00 to 100.00 MHz
±5PPM ~ ±50PPM
±50PPM (Standard)
-10
o
C to +60
o
C
-55
o
C to +125
o
C
30pF (Std value)
100.0µW Typ.
7.0pF Typ.
20.0fF Typ.
±5.0PPM
Remarks
at 25
o
C with 100µW
From ±5PPM (depending on OTR)
See Table
Please specify
0.5mW Max
at 25
o
C ±3
o
C 1st Year
Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
BT Fundamental
ESR
300 Ω
150 Ω
120 Ω
100 Ω
80 Ω
70 Ω
60 Ω
50 Ω
40 Ω
50 Ω
100 Ω
40 Ω
Temperature Stability Options
OTR
Temperature Stability (PPM)
±5
o
±10
o
o
±15
o
o
o
o
±20
o
n
o
o
±50
o
o
n
o
o
0
o
C to +50
o
C
-10
o
C to +60
o
C
-20
o
C to +70
o
C
-30
o
C to +80
o
C
-40
o
C to +85
o
C
o
= Available
n
= Recommended
BT - Cut will exhibit parabolic Freq/Temp curve with
±100PPM
-10
o
C to +60
o
C
Dimensions (mm)
AT-Cut Temperature Characteristics
Typical AT-Cut Frequency/Temperature Curves
60
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
Temperature ½C
©
AEL Crystals Ltd
Tel: +44 (0) 1293 789200 Fax: +44 (0) 1293 789490
11
Frequency Variation (PPM)
email: sales@aelcrystals.co.uk
AEL Crystals Limited
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Quartz Crystal Specification
To ensure that all products supplied are to the customers
requirements it is important that all the relevant information is
supplied when a purchase order is placed.
AEL use two methods to correctly specify parts. First is an AEL
Crystals specific part number which can be quoted, in addition an
industry standard “short‐code” is used
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The industry standard short‐code shows the minimum amount of
information that AEL Crystals would need to have in order to
commence manufacture of this part. Additional information may
be required for certain applications, please discuss this with one of
our technical staff who will be able to advise you on any specific
requirements.
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Address
AEL Crystals Limited
Unit 28, The ioCentre
Salbrook Road Industrial Estate
Salfords, Surrey
RH1 5GJ
Tel
+44 (01293) 789200
Fax
+44 (01293) 789490
Email
sales@aelcrystals.co.uk
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13-9-2012
