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EX-240 Datasheet, PDF (2/2 Pages) Vectron International, Inc – Oven Controlled Crystal Oscillators (OCXO’s)
EX-240
Oven Controlled Crystal Oscillators (OCXO’s)
240 Package Outline Drawing
Pin
Function
1
Frequency Control
2-4
N/C. Internal use ONLY
8
Case, Ground
9
Output
13-15
N/C
16
Supply
Pin numbers are for reference, only, they do not appear on unit
Reflow Profile
OCXO
TIME(s)
Environmental Specifications (designed to meet)
Shock
- 1000g’s peak, 0.5 ms per MIL-STD-202, Method 213, Condition E
Vibration (Sine) - 20g peak to 2 kHz per MIL-STD-202, Method 204, Condition D
Vibration (Random)- 30 Grms overall per MIL-STD-202, Method 214, Condition I-H
Acceleration
- 1000g per MIL-STD-202, Method 212, Condition C
Thermal Shock - 50 cycles, -55C to +85C per MIL-STD 202, Method 107, Condition A-2
Altitude
Seal
- 70,000 ft per MIL-STD 202, Method 105, Condition C
- Hermetic per MIL-STD-202, Method 112, Condition C
Humidity
- 90% RH per MIL-STD-202, Method 103, Condition A
Capabilities
VI can offer this series with screening and conformance inspection based upon MIL-PRF-55310 for Product level B. Also, a
reduced current option is available. Please contact your local VI representative or VI for details.
Ordering Information
EX 240 – C A F – 5 0 8 A – 12.800 MHz
EX = EMXO
Package
240
Supply Voltage
C = 5.0 Vdc ±5%
D = 3.3 Vdc ±5%
Output
A = HCMOS
H = + 3dBm sine
Output Frequencies
10.000 MHz
16.384 MHz
10.230 MHz
19.440 MHz
12.800 MHz
20.000 MHz
13.000 MHz
20.480 MHz
Temperature & Stability
B-108 = ± 10 ppb over 0°C to +50°C
Other Options
A = Electrical Frequency Adjust (standard)
F = Fixed Frequency, No Frequency Adjust,
Initial Accuracy at +25°C is ±1 ppm
C-208 = ± 20 ppb over 0°C to +70°C
D-308 = ± 30 ppb over -20°C to +70°C
F-508 = ± 50 ppb over -40°C to +85°C
Note: Tighter stabilities and wider temperature
ranges are available, please consult the factory.
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 7Dec05
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