MIINNIIATURE CYLINDERR HIGH FREEQUENCY CRYSTAL
AB145
*RoHS COMPLIANT
5.1 x 1.5mm
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FEATURES:
APPLICATIONS:
• Miniature high frequency crystals
• Excellent frequency vs. temperature stability
• Industrial temperature range available
• Hand held devices
• Portable electronics
• Microprocessor clocks
• Communications equipment
• Measuring instruments
• Audio and video equipment
STANDARD SPECIFICATIONS:
PARAMETERS
Nominal Frequency
Operating Temperature
Storage Temperature
Frequency Tolerance
Frequency Stability
Equivalent Series Resistance
Load Capacitance CL
Shunt Capacitance
Drive Level
16.000MHz - 70.000MHz
-10°C to + 60°C
-40°C to +85°C
30 ppm max. at +25°C (see option)
30 ppm max. (see option)
See Table 1
16pF (see option)
7pF
500
5ppm max.
500 M min. at 100 Vdc 15V
µW max., 100µW correlation
Aging at 25°C/year
Insulation Resistance
Ω
OPTIONS AND PART IDENTIFICATION (Left blank if standard)
:
OUTLINE DRAWING:
AB145 - Frequency - CL - ESR - Tolerance - Stability - Packaging
CL options:
ESR options:
Load cap. in pF (minimum 10 pF)
S for Series Resonance
RXXX (value in ohms max.)
Freq Tolerance options:
1 for 10 ppm max.
7 for 15 ppm max.
2 for 20 ppm max.
3 for 25 ppm max.
5 for 50 ppm max.
Freq Stability options:
U for 10 ppm max.
G for 15 ppm max.
X for 20 ppm max.
W for 25 ppm max.
H for 35 ppm max.
Z for 50 ppm max.
Dimensions: inch (mm)
Packaging option:
T for Tape and Reel
TABLE 1:
Ω )
Frequency Range (MHz)
16.000 to 19.999 (Fund)
20.000 to 29.999 (Fund)
30.000 to 70.000 (3rd OT)
Max ESR (
ENVIRONMENTAL AND MECHANICAL SPECIFICATIONS:
40
30
100
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Shock: Drop test of 3 times on a hard board from 75cm. 5ppm max. R ꢀithin spec.
Vibration: Frequency ꢀith an amplitude of 1.5mm or accelearation 10g sꢀeeping betꢀeen 10Hz to
55Hz ꢀithin 1 minute for 2 hours minimum on each axis. (X, Y, Z). 5ppm max. R ꢀithin spec.
Terminal strength: Apply 0.5kg load to each terminal and sustain it for 30 5seconds.
No visible damage
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Solderability: Dip terminals in RMA flux for 5 0.5sec at room temp. then solder dip at 230°C 5°C
for 5 0.5sec. 90ꢁ coverage ꢀith fresh solder.
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Leak test: Take measurments ꢀith Helium leak detector. 1*10-2 µPa*m3/S
Thermal Shock: Subject to 5 temperature cycles from -40°C for 30min to 100°C for 30min each cycle.
Variation betꢀeen pre-test and post-test frequencies shall remain betꢀeen 5ppm. R ꢀithin spec.
ABRACON IS
ISO 9001 / QS 9000
CERTTIIFFIED
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com