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ES54K2 Series TCXO

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Quote/Sample
  • Temperature Compensated Crystal Oscillators (TCXO)
  • Clipped Sinewave Output
  • +2.5V Supply Voltage
  • External Voltage Control Option
  • 4 Pad Ceramic SMD Package
  • RoHS Compliant (Pb-Free)

Electrical Specifications

Nominal Frequency
 16.367667MHz, 16.368MHz, 16.369MHz, 19.200MHz, 26.000MHz, 38.400MHz or 40.000MHz
Frequency Stability
vs. Operating Temperature Range Operating Temperature Ranges vs. Frequency Stabilities
vs. Frequency Tolerance (25°C±2°C, VDD=2.5VDC) ±1.0ppm Maximum 
vs. Input Voltage (±5%) ±0.2ppm Maximum 
vs. Load (±1kΩ//±1pF) ±0.2ppm Maximum
vs. Reflow (at 25°, 1 hour after reflow, 2 times) ±1.0ppm Maximum
vs. Aging (at 25°C) ±1.0ppm/year Maximum
Operating Temperature Range
 per Operating Temperature Ranges vs. Frequency Stabilities table below
Supply Voltage (VDD)
 2.5VDC ±5%
Input Current
 2.0mA Maximum over Nominal Frequency of 16.367667MHz to 25.999999MHz
2.5mA Maximum over Nominal Frequency of 26.000MHz to 40.000MHz
Output Voltage (Vp-p) 0.8Vp-p Clipped Sinewave Minimum, External DC-Cut Capacitor Required, 150pF NPO Recommended
Load Drive Capability
 10kOhms // 10pF
Control Voltage 1.4VDC ±1.0VDC
Storage Temperature
 -55°C to +125°C
Frequency Deviation ±5ppm Minimum
Linearity ±10% Maximum at Control Voltage of 1.4VDC ±1.0VDC
Transfer Function Positive Transfer Characteristic
Input Impedance 500kOhms Minimum
Start Up Time 2mSec Maximum
Phase Noise -115dBc/Hz at 100Hz Offset
-135dBc/Hz at 1kHz Offset
-148dBc/Hz at 10kHz Offset

Operating Temperature Ranges vs. Frequency Stabilities

Operating Temperature Range Frequency Stability
X Denotes Availability For All Frequencies
Y Denotes Availability For Frequencies <26.001MHz
±0.5ppm ±1.0ppm ±1.5ppm ±2.0ppm ±2.5ppm ±3.0ppm
0°C to +50°C Y X X X X X
-10°C to +60°C Y X X X X X
-20°C to +70°C Y X X X X X
-30°C to +60°C   X X X X X
-30°C to +75°C   X X X X X
-30°C to +85°C   X X X X X
-40°C to +85°C     X X X X
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Mechanical Dimensions

Pin 1: Voltage Control or No Connect Pin 3: Output
Pin 2: Case Ground Pin 4: 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 Global Customer Support Team.
Enter your part number:
- OR -  
Frequency in Megahertz:
Frequency Stability over Operating Temperature Range:
Operating Temperature Range:
Voltage Control Option:
Packaging Options:


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Part Numbering Guide
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Marking Specifications

Line 1: EXX.XXX
  • E = Ecliptek
  • XX.XXX = Frequency (5 Digits Maximum + Decimal)
Line 2: XXYZZ
  • XX = Ecliptek Manufacturing Code
  • 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
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Other Resources
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Category
Oscillator
Series
ES54K2
Package
Ceramic SMD
Voltage
2.5V
Class
OS7T
Revision
A 1-06-2010
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