
ECM Standard Low Profile Crystal
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk
Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to
discontinue any product or make design changes we believe necessary.
Issue 1
HC49/4 - HC49/S
Dimensions in mm
Parameter
Frequency Range
HC49/4–HC49/S ECM10E
3.200MHz to 50.000MHz
50.001MHz to 75.000MHz
+/- 30ppm standard
other options available
+/- 50ppm
other options available
-10
0
C to +60
0
C
other options available
-55
0
C to +125
0
C
10pf to
∞
or Series
40
to 200
Frequency Dependant
7.0pf max
1.0mW max
+/- 3ppm First Year
Fund
3
rd
O/T
Calibration Tolerance
@25
0
C
Temperature
Tolerance
Operating
Temperature
Storage Temp
Load Capacitance
ESR
Specify
Specify
Specify
Specify
Shunt Capacitance
Drive Level
Ageing
§
In Depth Stock
§
Standard Frequencies
§
Fast Delivery
§
Competitive Prices For Volume Users
§
Custom Options Available
Standard Frequencies in MHz.
3.579545
8.192
3.6864
9.8304
4.00
10.00
4.032
10.752
4.096
11.0592
4.194304
12.00
4.433619
12.288
4.9152
14.31818
6.00
14.7456
6.144
15.36
7.3728
16.00
7.68
16.384
8.00
16.9344
18.432
19.6608
20.00
22.1184
24.00014
24.576
28.224
29.4912
32.00
32.768
35.2512
40.32
56.448
A
11.20
B
4.65
C
3.50
D
12.70
E
4.90
F
0.43
Environmental & Mechanical
Temperature
Cycle
Shock
MIL-STD-883C
Method 1010.7
MIL-STD-883C
Method 2002
MIL-STD-883C
Method 2007.2
JIS C 5021-22
MIL-STD-883C
Method 1014.9 Condition A
Vibration
Humidity
Gross Leak
Test