XR-P Datasheet, PDF (2/4 Pages) Vectron International, Inc – SM1-8mm Square SMT

Typical Electrical Performance Characteristics
Performance Characterisitc
Frequency Range
Operating Temperature Range
Frequency Stability over Operating Temp Range
Frequency Calibration Tolerance +25^oC
Equivalent Series Resistance
Shunt Capacitance
Motional Capacitance
Load Capacitance
Drive Level
Aging per year after first 30 days
AT-CUT VARIETIES
Symbol
Typical Performance Specifications
F_O
7 MHz to 225 MHz
-55^oC to +125^oC (high temperature up to +200^oC available)
F_T
F_R-F_L
R (ESR)
+/- 5 ppm to +/- 50 ppm (mode, frequency and operating temp range dependent)
+/- 10 ppm typical (+/- 2 ppm available)
10 ohms to 100 ohms (mode and frequency dependent)
C₀
2.5 pF - 4 pF typical
C₁
0.1 fF - 30 fF (mode and frequency dependent)
C_L
series to 32 pF (customer specified load)
DL
100 uW (50 uW to 5 mW)
< 3 ppm (< 1ppm available)
PHASE NOISE @ 100 Hz OFFSET (dBc/Hz)
Mode - Cut
Frequency Range
Phase Noise
Fundamental-AT
3^rd OT - AT
5^th OT - AT
7^th OT - AT
7 MHz -to 30 MHz
17 MHz - 105 MHz
40 MHz - 175 MHz
70 MHz - 225 MHz
-80 to -115
-80 to -135
-90 to -135
-80 to -110
Phase Noise performance is mode and frequency dependent
NOMINAL G-SENSITIVITY (4 pt. blank mount)
Cut
G-SENSITIVITY
AT
1 X 10^-9 /g (average attainable when specified)
Results assume same frequency and mode when specified. Better results are available.
TYPICAL ESR & C₁ BY MODE AND FREQUENCY RANGE
Mode
Frequency Range
(MHz)
*ESR Typical
(ohms)
*C₁ Typical
(fF)
Fund.
7 - 35 MHz
25-360
5 - 25
3^rd
17 - 105 MHz
40
1 -2.5
5^th
40 - 175 MHz
75
0.70
7^th
70 - 225 MHz
120
0.35
*ESR and C1 values are dependent upon the specified frequency and mode of vibration.
EQUIVALENT CIRCUIT OF A CRYSTAL RESONATOR
Vectron International designs and manufactures SM1 surface mount crystals for a wide variety of commercial, hybrid and high
reliabilty applications. Our proven cleanroom finish processes yield excellent aging and low perturbations.
We have tight controls over series resistance, motional capacitance, temperature characteristics and other parameters critical to your
application. We primarily build to customer specifications but we’ve optimized designs on all frequencies that are commonly used in
telecommunications.
Please feel free to contact us with your questions. We are here to assist you with selecting the best performing and most cost
effective crystal for your application.
Vectron International • 4914 Gray Road • Cincinnati, OH 45232 • Tel: [phone] • Tel: 1-88-VECTRON-1 • http://www.vectron.com