2 Lead Metal Package Quartz Crystal, 4.7mm x 11mm
HC49U Series
Product Features:
Low Cost
RoHS Compliant
Compatible with Leadfree Processing
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
System Clock
Frequency
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 (3
rd
OT)
70.000MHz – 160.000MHz (5
th
OT)
Shunt Capacitance
Frequency Tolerance @ +25 C
Frequency Stability over Temperature
Crystal Cut
Load Capacitance
Drive Level
Aging
Operating Temperature Range
Storage Temperature Range
1.300MHz to 160.000MHz
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
7pF Maximum
See Part Number Guide
See Part Number Guide
AT Cut
See Part Number Guide
1mWatts Maximum
5ppm/Year
Maximum
See Part Number Guide
-40°C to +85°C
Dimension Units: mm
Part Number Guide
Package
Tolerance
(ppm) at
Room
Temperature
B = ±50 ppm
F = ±30 ppm
HC49U -
(13.46 mm H)
Sample Part Number:
Stability
(ppm) over Operating
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm**
J = ±10 ppm**
HC49U - FB1F18 - 20.000 MHz
Operating
Temperature Range
Mode
(overtone)
Load Capacitance
(pF)
Frequency
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 = 3
rd
overtone
5 = 5
th
overtone
18 pF or Specify
- 20.000 MHz
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm
J = ±10 ppm*
* Not available at all frequencies. ** Not available for all temperature ranges.
ILSI America Phone 775-851-8880 ● Fax 775-851-8882 ●email: e-mail@ilsiamerica.com ●
Specifications subject to change without notice
Rev: 12/08/17_B
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ILSI [ ILSI AMERICA LLC ]
