Stratum 3 SM TCXO with CMOS output

  • Stratum 3 VCTCXO
  • Overall ±4.6ppm including 20 years aging
  • Miniature 7050 package
  • 3.3 & 5V with Clipped Sine Output
  • Voltage Control
Configurable Options
ParameterOption Code
Temperature stability
Supply voltage (VDD)
Temperature range
Quantity / Special Request

Please specify the quantity you require below.

The GTXO-73V is supplied on tape and reel. 1k pcs per reel is the standard T&R pack size for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The GTXO-73V is a stratum 3 compliant temperature compensated oscillator specially developed for the telecoms industry. This VCTCXO features clipped sine output and superb frequency stability of just ±4.6ppm over 20 years, inclusive of frequency stability over temperature, voltage, load, 20 years ageing and shock and vibration.

This VCTCXO also features voltage control from 0.5V ~ 2.5V and a wide pulling range of ±5.0ppm minimum.

The GTXO-73V is also available in a ten pad 7050 surface mount package with additional enable/disable tristate functionality. Please speak to a member of our expert team for more information if you require this option.

Frequency range 5.0 ~ 52.0MHz
Dimensions 7.0 x 5.0 x 2.1mm
Frequency stability over 20 years
*1 see note below
Holdover stability
*2 see note below
±0.32ppm max over 24hrs
Storage temperature range -55 to +125°C
Supply current 3.5mA typ
Output waveform Clipped sine, 0.8V p-p
Load (ZL) 10kΩ // 10pF
Control Voltage Range 0.5V ~ 2.5V
Pulling Range ±5.0ppm min
VC Input Impedence 100kΩ
Start up time 2.0ms max
Phase noise (typ @ 10.0MHz) -130dBc/Hz @ 100Hz
-145dBc/Hz @ 1kHz
-154dBc/Hz @ 10kHz

*1 Stability is inclusive of frequency stability over temperature, voltage, load, 20 years ageing, shock & vibration

*2 Holdover stability is inclusive of frequency stability over temperature, voltage (±5%) and ageing (24hrs)

Package Drawing
Ordering Information

To request a quotation for the GTXO-73V 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.

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

Material Composition

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

REACH REACH compliant. See our statement

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


Greater Stratum 3 Capabilities: Introducing the GTXO-73 and GTXO-C73


We are very pleased to announce the introduction of the GTXO-73T, GTXO-73V, GTXO-C73T and GTXO-C73V, four new stratum 3 compliant TCXOs featuring excellent 20 year stability of ±4.6ppm in a miniature 7.0 x 5.0mm surface mount package. Find out more here.