Product EOL Announcement

Ecliptek Corporation announces End of Life initiation for the EB51F5 product series with the intent of discontinuing its availability. New orders for the EB51F5 series will not be accepted after February 28, 2012. Please see the EB51F5 EOL Announcement.

In order to fulfill your requirements beyond this product's discontinuation, we invite you to evaluate alternative Ecliptek products. Because this series does not have a recommended alternative, please contact one of our Global Customer Support Executives to assist you with finding the best Ecliptek product for your application.

EB51F5 Series TCXO

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  • Temperature Compensated Crystal Oscillators (TCXO)
  • HCMOS/TTL Output
  • +5.0V Supply Voltage
  • Internal Mechanical Trim Function
  • External Voltage Control Option
  • Custom Lead Length & Gull Wing Options
  • 14 pin DIP Metal Package

Electrical Specifications

Nominal Frequency
1.544MHz to 44.736MHz
Frequency Stability
Initial Frequency Tolerance: ±1.0ppm at Nominal VDD and VC, at 25°C
vs. Operating Temperature Range: per Operating Temperature Ranges vs. Frequency Stabilities table below
vs. Input Voltage: ±0.3ppm Maximum (VDD ±5%)
vs. Load Change: ±0.2ppm Maximum (±10%)
vs. Aging: ±1ppm/year Maximum (25°C)
Operating Temperature Range
per Operating Temperature Ranges vs. Frequency Stabilities table below
Supply Voltage (VDD)
5.0VDC ±5%
Input Current
Measured at steady state at 25°C, Nominal VDD and Nominal VC
15mA Maximum <20.000MHz
30mA Maximum >20.000MHz
Output Voltage Logic High (VOH) VDD-0.5VDC Minimum
Output Voltage Logic Low (VOL) 0.5VDC Maximum
Rise/Fall Time 6nSec Measured over 20% to 80% of waveform
Duty Cycle 50 ±5(%) Measured at 50% of waveform
Load Drive Capability
30pF HCMOS Load Maximum
Storage Temperature
-55°C to +125°C
Control Voltage (External) 2.5VDC ±2.0VDC, Positive Transfer Characteristic
Frequency Deviation ±7ppm Minimum, ±20ppm Maximum (Referenced to FO at VC=2.5VDC; VDD=5.0VDC)
Control Voltage Range (VCR) 0.0VDC to VDD
Linearity ±10% Maximum
Internal Trim ±3ppm Minimum (Top Access) Measured at 25°C, VDD=5.0VDC and VC=2.5VDC
Input Impedance 10kOhms Typical
Typical Phase Noise Measured at 25°C with Nominal VDD and VC
-70dBc/Hz at 10Hz offset
-100dBc/Hz at 100Hz offset
-130dBc/Hz at 1kHz offset
-140dBc/Hz at 10kHz offset
-145dBc/Hz at 100kHz offset

Operating Temperature Ranges vs. Frequency Stabilities

Operating Temperature Range Frequency Stability
X Denotes availability from 1.544MHz to 32.768MHz.
Y Denotes availability for any valid frequency.
±1.5ppm ±2.0ppm ±3.0ppm ±5.0ppm
0°C to +50°C Y Y Y Y
0°C to +70°C X Y Y Y
-20°C to +70°C X X Y Y
-30°C to +75°C   X Y Y
-40°C to +85°C     X Y
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Mechanical Dimensions

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

Product EOL Announcement

Ecliptek Corporation announces End of Life initiation for the EB51F5 product series with the intent of discontinuing its availability. New orders for the EB51F5 series will not be accepted after February 28, 2012. Please see the EB51F5 EOL Announcement.

In order to fulfill your requirements beyond this product's discontinuation, we invite you to evaluate alternative Ecliptek products. Because this series does not have a recommended alternative, please contact one of our Global Customer Support Executives to assist you with finding the best Ecliptek product for your application.

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 Global Customer Support Team.
Enter your part number:
- OR -  
Frequency in Megahertz (1.544 to 44.736):
Frequency Stability over Operating Temperature Range:
Operating Temperature Range:
Voltage Control:
Cut Leads:
Gull Wing:


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Part Numbering Guide

Product EOL Announcement

Ecliptek Corporation announces End of Life initiation for the EB51F5 product series with the intent of discontinuing its availability. New orders for the EB51F5 series will not be accepted after February 28, 2012. Please see the EB51F5 EOL Announcement.

In order to fulfill your requirements beyond this product's discontinuation, we invite you to evaluate alternative Ecliptek products. Because this series does not have a recommended alternative, please contact one of our Global Customer Support Executives to assist you with finding the best Ecliptek product for your application.

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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 (Internal Crystal Only)
Gross Leak Test: MIL-STD-883, Method 1014, Condition C (Internal Crystal Only)
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
Oscillator
Series
EB51F5
Package
14 pin DIP
Voltage
5.0V
Class
OS3A
Revision
A 06-19-2004
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