2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm
Product Features:
Low Cost
RoHs Compliant
Compatible with Leadfree Processing
HC49U Series
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
System Clock
11.05
Max.
Frequency
ESR (Equivalent Series Resistance)
1.3 MHz – 1.9 MHz
2.0 MHz – 2.9 MHz
3.0 MHz – 3.2 MHz
3.3 MHz – 3.9 MHz
4.0 MHz – 4.4 MHz
4.5 MHz – 4.9 MHz
5.0 MHz – 5.9 MHz
6.0 MHz – 6.9 MHz
7.0 MHz – 7.9 MHz
8.0 MHz – 9.9 MHz
10.0 MHz – 35.9 MHz
rd
25 MHz – 100 MHz (3 O.T.)
TH
70 MHz – 160 MHz (5 O.T.)
Shunt Capacitance (C0)
Frequency Tolerance @ 25°
C
Frequency Stability over
Temperature
Crystal Cut
Load Capacitance
Drive Level
Aging
Temperature
Operating
Storage
1.3 MHz to 160.000 MHz
800
Ω
Max.
500
Ω
Max.
200
Ω
Max.
150
Ω
Max.
100
Ω
Max.
80
Ω
Max.
70
Ω
Max.
50
Ω
Max.
40
Ω
Max.
30
Ω
Max.
25
Ω
Max.
50
Ω
Max.
40
Ω
Max.
7 pF Max.
±30
ppm Standard (see Part Number Guide for more options)
±50
ppm Standard (see Part Number Guide for more options)
AT Cut Standard
18 pF Standard (see Part Number Guide for more options)
1 mW Max.
±5
ppm Max. / Year Standard
12 Min.
4.88
0.2
13.45 Max.
4.65
Max.
0° C to +70° C Standard (see Part Number Guide for more
options)
-40° C to +85° C Standard
0.45
±0.05
Dimension Units: mm
Part Number Guide
Package
Tolerance
(ppm) at Room
Temperature
B = ±50 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
Operating
Temperature Range
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
Mode
(overtone)
F = Fundamental
3 = 3
rd
overtone
5 = 5
th
overtone
Load Capacitance
(pF)
Frequency
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm
J = ±10 ppm*
18 pF Standard
Or Specify
- 20.000 MHz
* Not available at all frequencies. ** Not available for all temperature ranges.
ILSI
America
Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
06/09
Specifications subject to change without notice
Page 1
ILSI [ ILSI AMERICA LLC ]
