2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm
HC49U Series
Product Features:
Low Cost
RoHs Compliant
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
Compatible with Leadfree Processing
11.05
Max.
802.11 / Wifi
T1/E1, T3/E3
System Clock
Frequency
1.3 MHz to 160.000 MHz
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
25 MHz – 100 MHz (3rd O.T.)
70 MHz – 160 MHz (5TH O.T.)
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.
12 Min.
4.88
0.2
Shunt Capacitance (C0)
7 pF Max.
Frequency Tolerance @ 25° C
±30 ppm Standard (see Part Number Guide for more options)
±50 ppm Standard (see Part Number Guide for more options)
AT Cut Standard
13.45 Max.
Frequency Stability over
Temperature
Crystal Cut
4.65
Max.
Load Capacitance
Drive Level
18 pF Standard (see Part Number Guide for more options)
1 mW Max.
Aging
±5 ppm Max. / Year Standard
Temperature
Operating
Storage
0.45
±0.05
0° C to +70° C Standard (see Part Number Guide for more
options)
Dimension Units: mm
-40° C to +85° C Standard
Part Number Guide
Sample Part Number:
HC49U - FB1F18 - 20.000
Package
Tolerance
(ppm) at Room
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm
Stability
(ppm) over Operating
Temperature
B = ±50 ppm
Operating
Mode
(overtone)
Load Capacitance
Frequency
Temperature Range
(pF)
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
F = ±30 ppm
HC49U -
(13.46 mm H)
G = ±25 ppm
18 pF Standard
Or Specify
- 20.000 MHz
H = ±20 ppm
I = ±15 ppm**
J = ±10 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• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
06/09
Specifications subject to change without notice
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