EB72F51 Series OCXO

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  • Oven Controlled Crystal Oscillator (OCXO)
  • AT-Cut output
  • LVHCMOS output
  • 3.3V supply voltage
  • 14 pin DIP package
  • Stability to ±100ppb
  • External voltage control option available
  • Custom lead length and gull wing options available

Electrical Specifications

Nominal Frequency
10.000MHz, 12.288MHz, 12.800MHz, 16.000MHz, 19.440MHz, or 20.000MHz
Frequency Stability
vs. Initial Tolerance: Measured at Nominal VDD and VC, at 25°C
±1.0ppm or ±500ppb Maximum
vs. Temperature Stability: Measured at Nominal VDD and VC
per Operating Temperature Ranges vs. Frequency Stabilities table below
vs. VDD: Measured at VDD ±5%
±50ppb Maximum
vs. Load: Measured at VLOAD ±5%
±50ppb Maximum
vs. Aging (1 Day): Measured after 72 Hours of Operation
±30ppb Maximum
vs. Aging (1 Year): Measured after 72 Hours of Operation
±500ppb Maximum
vs. Aging (10 Years): Measured after 72 Hours of Operation
±3ppm Maximum
Operating Temperature Range
per Operating Temperature Ranges vs. Frequency Stabilities table below
Supply Voltage (VDD)
3.3VDC ±5%
Warm Up Time 3 Minutes Maximum to ±500ppb of Final Frequency at 1 Hour at 25°C
Power Consumption 1.6 Watts Maximum at Steady State at 25°C
2.5 Watts Maximum During Warm Up at 25°C
Output Voltage Logic High (VOH)
2.6VDC Minimum (IOH = -4mA)
Output Voltage Logic Low (VOL)
0.4VDC Maximum (IOL = +4mA)
Duty Cycle
50 ±5(%) measured at 50% of waveform
Rise Time/Fall Time
Measured over 20% to 80% of waveform
6nSec Maximum
Load Drive Capability
15pF HCMOS Load
Frequency Deviation ±5ppm Minimum
Referenced to F0 at VC=1.65VDC; VDD=3.3VDC over Operating Temperature Range.
Control Voltage Range 0.0VDC to VDD
Control Voltage (VC) 1.65VDC ±1.65VDC
Transfer Function Positive Transfer Characteristic
Linearity 10% Maximum
Input Impedance 10kOhms Typical
Storage Temperature
-55°C to +125°C
Typical Phase Noise (at 12.8MHz) -95dBc/Hz at 10Hz offset
-120dBc/Hz at 100Hz offset
-135dBc/Hz at 1kHz offset
-140dBc/Hz at 10kHz offset>
Crystal Cut AT-Cut

Operating Temperature Ranges vs. Frequency Stabilities

Operating Temperature Range Frequency Stability
(X Denotes Availability)
±200ppb ±280ppb ±500ppb
0°C to +50°C X X X
0°C to +70°C   X X
-20°C to +70°C     X
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Mechanical Dimensions

Pin 1: Control Voltage or No Connect Pin 8: Output
Pin 7: Case Ground Pin 14: Supply Voltage
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Part Number Constructor / Request a Quote or Sample

Please note that this form is intended to provide a listing of standard options. If you require an option or configuration that is not present here, you may want to fill out our Custom Oscillator Part Number Request Form. If you have any trouble with this form, or just have a suggestion as to how it might be improved, please contact our Webmaster.
Enter your part number:
- OR -  
Frequency in Megahertz (1.544 to 44.736):
Initial Tolerance:
Frequency Stability:
Operating Temperature Range:
Voltage Control Option:
Cut Leads:
Gull Wing:


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Part Numbering Guide

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Marking Specifications

Line 1: ECLIPTEK
Line 2: XX.XXX M
  • XX.XXX = Frequency (5 Digits Maximum + Decimal)
  • M = Frequency unit of measure(MHz)
Line 3: XX Y ZZ
  • XX = Ecliptek Manufacturing Identifier
  • Y = Last digit of Year
  • ZZ = Week of Year
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Environmental & Mechanical Specifications

Fine Leak Test: MIL-STD-883, Method 1014, Condition A
Gross Leak Test: MIL-STD-883, Method 1014, Condition C
Mechanical Shock: MIL-STD-202, Method 213, Condition C
Vibration: MIL-STD-883, Method 2007, Condition A
Solderability: MIL-STD-883, Method 2003
Temperature Cycling: MIL-STD-883, Method 1010
Resistance to Soldering Heat: MIL-STD-202, Method 210
Resistance to Solvents: MIL-STD-202, Method 215
Lead Integrity: MIL-STD-883, Method 2004
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Other Resources

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Category
OCXO
Series
EB72F5
Package
14 pin DIP
Voltage
3.3V
Class
OS2A
Revision
C 05-16-2007
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