Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com 7Dec05

2

Oven Controlled Crystal Oscillators (OCXO’s)

240 Package Outline Drawing

Environmental Specifications (designed to meet)

Ordering Information

Capabilities

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

240

508

EX

C

A

–

–

F

A

–

12.800

MHz

Package

240

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

Other Options

A = Electrical Frequency Adjust (standard)

F = Fixed Frequency, No Frequency Adjust,

Initial Accuracy at +25°C is ±1 ppm

Temperature & Stability

B-108 = ± 10 ppb over 0°C to +50°C

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.

Output

A = HCMOS

H = + 3dBm sine

Supply Voltage

C = 5.0 Vdc ±5%

D = 3.3 Vdc ±5%

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.

EX-240

EX = EMXO

OCXO

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

- 70,000 ft per MIL-STD 202, Method 105, Condition C

Seal

- Hermetic per MIL-STD-202, Method 112, Condition C

Humidity

- 90% RH per MIL-STD-202, Method 103, Condition A

Reflow Profile

TIME(s)