ESA/SCC Table 1
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No
Characteristic
Symbol
Limits
Unit
Remarks
Min.
Max.
1
2
Holder Style
Resonance Frequency
Reference Temperature
Overtone Order
Fr or fL
To
MHz
°C
3
4
5
Load Capacitance
CL
Po
pF
6
Rated Drive Level
mW
10–6
Df
7
Frequency Adjustment Tolerance
Resonance Resistance
At To°C
At To°C
f
8
Rr or RL
W
10–6
%
Df
9
Frequency Variation with Temperature
over Top
From frequency measured at To°C
From resistance measured at To°C
f
DR
10
11
12
Resistance Variation with Temperature
over Top
R
Operating Temperature Range
Top
°C
Frequency variation with Drive Level
10–6
From PS1
=
=
mW
mW
Df
to
PS2
f
13
Resistance variation with Drive Level
%
DR
R
14
15
16
17
18
Motional Inductance
Motional Capacitance
Static Capacitance
Q Factor
L1
C1
Co
Q
mH
fF
pF
-
Ratio of unwanted:
Response Resistance to
Resonance Resistance
or
In the frequency range:
Rp/R
or
f -
to
kHz
IZpI/R
f +
kHz
Response Impedance to
Resonance Resistance
Df
f
19
20
21
22
Ageing
10–6
mm
°C
Terminal Length
L
Storage Temperature Range
Intended Application
Tstg
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