HC49USM Series
Product Feature:
Low Cost SMD Package
Low ESR
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)
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
36 MHz – 100.0 MHz (3rd O.T.)
Shunt Capacitance (C0)
3.2 MHz to 100 MHz
300
Ω
Max.
200
Ω
Max.
150
Ω
Max.
120
Ω
Max.
100
Ω
Max.
80
Ω
Max.
60
Ω
Max.
40
Ω
Max.
30
Ω
Max.
100
Ω
Max.
7 pF Max.
Frequency Tolerance @ 25° C
±30 ppm Standard
(see Part Number Guide for more options)
Frequency Stability over
Temperature
Crystal Cut
Load Capacitance
Drive Level
Aging
Temperature
Operating
Storage
0° C to +70° C Standard
(see Part Number Guide for more options)
-40° C to +85° C Standard
Dimension Units: mm
±50 ppm Standard
(see Part Number Guide for more options)
AT Cut
18 pF Standard
(see Part Number Guide for more options)
1 mW Max.
±5 ppm Max. / Year Standard
Part Number Guide
Package
Tolerance
(ppm) at Room
Temperature
B = ±50ppm
F = ±30ppm
G = ±25ppm
H = ±20ppm
I = ±15ppm
J = ±10ppm*
HC49USM-
(4.5 mm H)
HC49USM2-
(3.5 mm H)
HC49USM3-
(3.1 mm H)-
Sample Part Number:
HC49USM - FB1F18 - 20.000
Stability
Operating
Mode
Load
(ppm) over Operating
Temperature Range
(overtone)
Capacitance
Temperature
(pF)
A = ±100ppm
B = ±50ppm
0 = 0°C to +50°C
F = Fundamental
F = ±30ppm
1 = 0°C to +70°C
3 = Third Overtone
18pF Standard
G = ±25ppm
2 = -10°C to +60°C
Or Specify
H = ±20ppm
3 = -20°C to +70°C
I = ±15ppm
5 = -40°C to +85°C
J = ±10ppm
9 = -10°C to +50°C
Frequency
-20.000 MHz
* Not available at all frequencies.
Revised B: 09/20
Page 2 of 6
www.ilsiamerica.com
HC49USM Series
Pb Free Solder Reflow Profile:
Typical Circuit:
*Units are backward compatible with 240C reflow processes
Package Information:
MSL = N/A
Termination = e4 (Sn / Cu/ Ag over Ni over Kovar base metal).
Tape and Reel Information:
A
B
C
D
E
F
QTY per Reel
24 +/- 0.3
12
+/- 0.2
11.5
+/- 0.2
25
+/- 1.5
80/100
330
1000
Revised B: 09/20
Page 3 of 6
www.ilsiamerica.com
Analog electronics
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