2 Lead Metal Package Quartz Crystal, 4.7mm x 11mm
HC49U Series
Product Features:
Low Cost
RoHS Compliant
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
Compatible with Leadfree Processing
802.11 / Wifi
T1/E1, T3/E3
System Clock
Frequency
1.300MHz to 160.000MHz
ESR (Equivalent Series Resistance)
1.300MHz – 1.999MHz
2.000MHz – 2.999MHz
3.000MHz – 3.299MHz
3.300MHz – 3.999MHz
4.000MHz – 4.499MHz
4.500MHz – 4.999MHz
5.000MHz – 5.999MHz
6.000MHz – 6.999MHz
7.000MHz – 7.999MHz
8.000MHz – 9.999MHz
10.000MHz – 35.999MHz
25.000MHz – 100.000MHz (3rd OT)
70.000MHz – 160.000MHz (5th OT)
800 Ohms Maximum
500 Ohms Maximum
200 Ohms Maximum
150 Ohms Maximum
100 Ohms Maximum
80 Ohms Maximum
70 Ohms Maximum
50 Ohms Maximum
40 Ohms Maximum
30 Ohms Maximum
25 Ohms Maximum
50 Ohms Maximum
40 Ohms Maximum
Shunt Capacitance
7pF Maximum
See Part Number Guide
Frequency Tolerance @ +25 C
Frequency Stability over Temperature
Crystal Cut
See Part Number Guide
AT Cut
Load Capacitance
See Part Number Guide
1mWatts Maximum
5ppm/Year Maximum
See Part Number Guide
-40°C to +85°C
Drive Level
Aging
Operating Temperature Range
Storage Temperature Range
Dimension Units: mm
Part Number Guide
Sample Part Number:
Stability
HC49U - FB1F18 - 20.000 MHz
Package
Tolerance
Operating
Mode
Load Capacitance
(pF)
Frequency
(overtone)
(ppm) at
Room
(ppm) over Operating
Temperature
Temperature Range
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm**
J = ±10 ppm**
0 = 0°C to +50°C
1 = 0°C to +70°C
2 = -10°C to +60°C
3 = -20°C to +70°C
5 = -40°C to +85°C
9 = -10°C to +50°C
F = Fundamental
3 = 3rd overtone
5 = 5th overtone
HC49U -
(13.46 mm H)
18 pF or Specify
- 20.000 MHz
J = ±10 ppm*
* Not available at all frequencies. ** Not available for all temperature ranges.
Rev: 12/08/17_B
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ILSI America Phone 775-851-8880 ● Fax 775-851-8882 ●email: e-mail@ilsiamerica.com ●
www.ilsiamerica.com
Specifications subject to change without notice