ECM HC494

ECM Standard Surface Mount Crystal
HC494/SMX
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Low Profile
Fast Delivery
Tape & Reel or Bulk Packaging
Highly Competitive Prices for Volume Users
3.2000MHz to 75.00MHz
Fast Delivery
Custom Options Available
Parameter
Frequency Range
Calibration Tolerance
0
@25 C
Temperature
Tolerance
Operating
Temperature
Storage Temp
Load Capacitance
ESR
Shunt Capacitance
Drive Level
Ageing
HC494/SMX
3.200MHz to 50.000MHz
50.001MHz to 75.000MHz
+/-50ppm standard
other options available
+/-50ppm standard
other options available
0
0
-10 C to +60 C
other options including
0
0
-40 C to +85 C available
0
0
-55 C to +125 C
10pf to ∞ or Series
40Ω to 200Ω
Frequency Dependant
7.0pf max
1.0mW max
+/-3ppm First Year
Fund
rd
3 O/T
Specify
Specify
Specify
Environmental & Mechanical
Temperature
MIL-STD-883C
Method 1010.7
Cycle
Shock
MIL-STD-883C
Method 2002
Vibration
MIL-STD-883C
Method 2007.2
Humidity
JIS C 5021-22
Gross Leak
MIL-STD-883C
Test
Method 1014.9 Condition A
Marking
Frequency
Specify
Standard Frequencies in MHz.
3.579545
8.192
18.432
3.6864
9.8304
19.6608
4.00
10.00
20.00
4.032
10.752
22.1184
4.096
11.0592
24.00014
4.194304
12.00
24.576
4.433619
12.288
28.224
4.9152
14.31818
29.4912
6.00
14.7456
32.00
6.144
15.36
32.768
7.3728
16.00
35.2512
7.68
16.384
40.32
8.00
16.9344
56.448
A
12.80
B
5.00
C
4.40
D
3.80
E
1.00
Dimensions in mm
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