SAW Resonator
SCQQ¡õ¡õ¡õ M Series (200.0MHz-600.0MHz) |
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- Nominal Insertion Phase Shift of 180¡ã at Resonance
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- Rugged, Hermetic, Low-Profile TO39 Case (F11 Case also Available)
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| ¡ñDIMENSIONS |
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| ¡ñELEDTRICAL CHARACTERISTICS |
| Characteristics |
Symbol |
Unit |
Part number |
| SCQ380M |
SCQ418.000 |
SCQ434M |
Center
Frequency
(¡À25¡æ) |
Absolute Frequency |
fc |
MHz |
380.000 |
418.000 |
433.920 |
| Tolerance
from fc |
¡÷fc |
KHz |
¡À75 |
¡À75 |
¡À75 |
| Insertion Loss |
IL |
dB |
8.0max |
6.5max |
6.5max |
Quality
Factor |
Unloaded Q |
Qu |
-- |
13000 |
13600 |
13600 |
| 50¦¸ Loaded Q |
Ql |
-- |
6300 |
6000 |
6000 |
Temperature
Stability |
Turnover Temperature |
To |
¡æ |
36¡«66 |
47¡«77 |
47¡«77 |
| Turnover Frequency |
fo |
KHz |
fc+11 |
fc+21 |
fc+21 |
| Frequency Temperature
Coefficient |
FTC |
ppm/¡æ² |
0.037 |
0.037 |
0.037 |
Frequency Aging Absolute
Value
during the 1st Year |
/fa/ |
ppm/yr |
¡Ü10 |
¡Ü10 |
¡Ü10 |
| DC Insulation Resistance
between Any Two Pins |
-- |
M¦¸ |
1.0min. |
1.0min. |
1.0min. |
RF
Equivalent
RCL Model |
Motional Resistance |
Rm |
¦¸ |
93¡«152 |
93¡«152 |
93¡«152 |
| Motional
Inductance |
Lm |
¦ÌH |
445.40 |
477.932 |
477.932 |
| Motional
Capacitance |
Cm |
fF |
0.32120 |
0.303334 |
0.303334 |
| Pin1
to Pin2 Static Capacitance |
Co |
pF |
1.85 |
1.4 |
1.4 |
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| ¡ñProducts
for other toleracnce ranges are also available. |
| ¡ñTEST CIRCUIT |
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