Ceramic Resonator
Series Number Package Description Last Modified
640 T0-39 One-Port 180° SAW Jan. 01 2002
FEATURES
- Quartz Stability
- Industry standard package
- RoHs Compliant
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS SYMBOL CHARACTERISTICS UNITS
Center Frequency Fc 260.0 ~ 980.0  ±0.075 MHz
Insertion Loss IL 1.5 dB
Unloaded Q - 12000 -
50 Ohms Loaded Q - 2000 -
Turnover Temperature To 35 °C
Freq. Temp. Coefficient FTC 0.037 PPM/°C
Frequency Aging IfAI 10 max. typ. PPM/Y
DC Insulation Resistance Between any 2 pins 1 min. Mohm
Turnover Frequency Fo Fc ±1.3 KHz
Operating Temperature TOPR -10 to +60 °C
Package - T0-39 -
PART NUMBER GUIDE
Part Number Frequency
640-260.0M 260.0 MHz
640-303.825M 303.825
640-303.875M 303.875
640-304.3M 304.3
640-310.0M 310.0
640-314.5M 314.5
640-315.0M 315.0
640-318.0M 318.0
640-360.0M 360.0
640-384.05M 384.05
640-395.0M 395.0
Part Number Frequency
640-418.0M 418.0 MHz
640-423.0M 423.0
640-423.22M 423.22
640-433.42M 433.42
640-433.92M 433.92
640-434.0M 434.0
640-479.5M 479.5
640-886.0M 886.0
640-912.0M 912.0
640-916.5M 916.5
640-980.0M 980.0
NOTE: Deviations on all parameters available.  Please consult Oscilent for details.
DEFINITIONS: Click on the characteristic names above, for definitions of the particular characteristic.
Oscilent Corporation - CALL 949.252.0522
18195 East McDurmott Street . Building D . Irvine . CA 92614 . USA
Fax: 949.252.0599 . E-Mail: Sales@Oscilent.com
Series No.:
640

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