HC49US‐SMX Series
Crystal unit
RoHS & REACH compliant
Metal can SMD quartz crystal unit
Wide frequency range
Lower package height options available
Parameters
Specification
F_nom 3.0MHz ~ 100.0MHz
F_tol ±5.0ppm ~ ±100.0ppm
Remarks
Frequency range
Table 1
Frequency tolerance
Frequency stability over operating temperature range
Operating temperature range
Storage temperature
Load capacitance
F_stb ±5.0ppm ~ ±50.0ppm
T_use ‐10°C ~ +60°C, ‐20°C ~ +70°C, ‐40°C ~ +85°C
T_stg ‐55°C ~ +125°C
Table 2
Table 2
CL 5.0pF ~ 32.0pF, Series
ESR Table 1
Equivalent series resistance
Shunt capacitance
C0 7.0pF max
Drive level
DL 500μW max
100μW typical
Frequency aging
F_age ±3.0ppm/year at 25°C
MSL 1 (unlimited)
Moisture sensitivity level
Electrostatic discharge
Insulation resistance
ESD Not applicable
IR
At 100V DC
500MΩ min
Table 2. Frequency Stability vs Temperature
Temp. (°C) Stability in ppm
Table 1. Frequency vs ESR (3ꢀꢁ Overtone)
Table 1. Frequency vs ESR (Fundamental)
24MHz ~ 29.999MHz
3.0MHz ~ 3.500MHz
100Ω
150Ω
30.000MHz ~ 49.999MHz
50.000MHz ~ 100.000MHz
3.579545MHz ~ 5.999MHz
6.000MHz ~ 7.999MHz
8.000MHz ~ 15.999MHz
16.000MHz ~ 30.000MHz
±10
√
±15
±20
√
±30
±50
√
80Ω
60Ω
150Ω
60Ω
50Ω
40Ω
‐20°C ~ 70°C
‐30°C ~ 85°C
√
√
√
√
√
√
√
√
√
‐40°C ~ 85°C Enquire
√
√
Dimensions (mm)
4.35±0.5
11.4±0.5
10.6 max
3.8±0.5
Heigth (H) vs Series code
4.2mm
3.2mm
3.0mm
2.7mm
PO
AT
BX
BK
H
0.5±0.2
Land pattern
4.5 max
4.88 max
12.7±0.5
4.5 max
5.5
5.5
4.0
ACT (A wholly owned Acal BFi Company)
+44 (0) 118 978 8878|sales@act.co.uk|www.act.co.uk
ISO9001 Registered
Specifications subject to change without notification