2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm
Product Features:
HC49US Series
Applications:
Low Cost Package
RoHs Compliant
Compatible with Leadfree Processing
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
H Max.
12 Min.
Frequency
3.2 MHz to 100.000 MHz
4.88
±0.2
ESR (Equivalent Series Resistance)
Max.
Max.
Max.
Max.
Max.
Max.
Max.
Max.
Max.
Max.
3.2 MHz – 3.49 MHz
3.5 MHz – 3.99 MHz
4.0 MHz – 4.99 MHz
5.0 MHz – 5.99 MHz
6.0 MHz – 6.99 MHz
7.0 MHz – 8.9 MHz
9.0 MHz – 12.9 MHz
13 MHz – 19.9 MHz
20 MHz – 36 MHz
rd
27 MHz – 100 MHz (3 O.T.)
300
200
150
120
100
80
60
40
30
100
Shunt Capacitance (C0)
7 pF Max.
11.1 Max.
4.7 Max.
Frequency Tolerance @ 25 C
30 ppm Standard (see Part Number Guide for more options)
Frequency Stability over
Temperature
50 ppm Standard (see Part Number Guide for more options)
0.43
±0.03
Crystal Cut
AT Cut Standard
Load Capacitance
18 pF Standard (see Part Number Guide for more options)
Drive Level
1 mW Max.
Aging
HC49US, H Max. = 3.5
HC49US2, H Max. = 2.5
HC49US3, H Max. = 2.0
5 ppm Max. / Year Standard
Temperature
Dimension Units: mm
Operating
0 C to +70 C Standard (see Part Number Guide for more
options)
Storage
-40 C to +85 C Standard
Part Number Guide
Package
Sample Part Number:
HC49US - FB1F18 - 20.000
Tolerance
(ppm) at Room
Temperature
Stability
(ppm) over Operating
Temperature
Operating
Temperature Range
B = ±50 ppm
B = ±50 ppm
0 = 0°C to +50°C
F = Fundamental
F = ±30 ppm
F = ±30 ppm
1 = 0°C to +70°C
3 = 3rd overtone
HC49US2 -
G = ±25 ppm
G = ±25 ppm
2 = -10°C to +60°C
(2.5 mm H)
H = ±20 ppm
H = ±20 ppm
3 = -20°C to +70°C
I = ±15 ppm
I = ±15 ppm**
5 = -40°C to +85°C
J = ±10 ppm*
J = ±10 ppm**
9 = -10°C to +50°C
HC49US (3.5 mm H)
HC49US3 (2.0 mm H)
Mode
(overtone)
Load Capacitance
(pF)
18 pF Standard
Or Specify
Frequency
- 20.000 MHz
* Not available at all frequencies. ** Not available for all temperature ranges.
e-mail@ilsiamerica.com • www.ilsiamerica.com
ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
06/09_A
Specifications subject to change without notice
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