1.8V ~ 3.3V Tight Stability High Temperature TCXO

  • Wide operating temperature range -40 to +105°C 
  • Excellent frequency stability ±0.5ppm
  • Low power consumption
  • Low phase noise
  • Ultra miniature low profile SM package
Configurable Options
ParameterOption Code
Temperature stability
Operating temperature range
Quantity / Special Request

Please specify the quantity you require below.

The GTXO-205T is supplied on tape and reel. 1k or 3k pcs per reel are the standard T&R pack sizes for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

Ideal for projects requiring tight frequency stability at high temperatures, the GTXO-205T temperature compensated oscillator is operable over supply voltage range of 1.8 ~ 3.3V and provides clipped sine output with excellent frequency stability of ±0.5ppm over a wide operating temperature range of -40 to +105°C. 

The GTXO-205T TCXO also features ultra-miniature seam sealed 2.0 x 1.6 x 0.8mm package, fast start up time of 2ms, and low phase characteristics including -135dBc/Hz @ 1kHz. 

Frequency range 16.0 ~ 52.0MHz
Dimensions 2.0 x 1.6 x 0.8mm
Storage temperature range -40 to +105°C
Supply voltage stability ±0.2ppm, VDD ±5%
Load stability ±0.2ppm, ZL ±10%
Ageing ±1.0ppm max (first year)
Supply voltage (VDD) Operable from 1.8V ~ 3.3V ±5%
Supply current 1.5mA max (≤26.0MHz)
2.0mA max (>26.0MHz - 32.0MHz)
2.5mA max (>32.0MHz - 52.0MHz)
Output waveform Clipped sine, 0.8V p-p min.
Test load (ZL) 10kΩ // 10pF
Start up time 2ms max
Phase noise (typ) -135dBc/Hz @ 1kHz
Frequency tolerance @ 25°C ±2.0ppm max, 60mins after reflow
Package Drawing
Ordering Information

To request a quotation for the GTXO-205T please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

Soldering Profile
Solder reflow profile for the GTXO-C77V
Tape & Reel Specification
Tape and Reel specifications
Handling & Storage

ESD-HBM-1A Human Body Model (HBM) 1A (250V to <500V)

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)


Ceramic body with gold-plated pads metal lid, seam sealed


PbFree Lead-free (< 0.1% by weight )

RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

Ozone Depletion Statement Free of Ozone-depleting substances. See our declaration

REACH REACH compliant. See our statement


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