2.5V Low Power SM TCXO with CMOS Output

  • 2.5V supply voltage
  • Low power consumption
  • Enable / disable tristate function
  • Low phase noise and jitter
  • Excellent frequency stability
Configurable Options
ParameterOption Code
Temperature stability
Temperature range
Quantity / Special Request

Please specify the quantity you require below.

The GTXO-C31J 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

Available with 2.5V supply voltage, the GTXO-C31J presents a low power consumption TCXO solution with excellent frequency stability, low phase noise and low jitter as standard.

The GTXO-C31J is available with a choice of operating temperature ranges, incuding -40 to +85°C industrial temperature range, and features 15pF CMOS driving ability, in addition to extremely fast rise/fall time of 5ns.

This temperature compensated oscillator comes with miniature 3.2 x 2.5mm ceramic package with metal lid, and has enable/disable functionality as standard.  

Frequency range 4.0 ~ 54.0MHz
Dimensions 3.2 x 2.5 x 1.1mm
Calibration tolerance ±2.0ppm @ +25°C ±3°C 60mins after reflow
Storage temperature range -40 to +125°C
Ageing ±1.0ppm max first year
Supply voltage (VDD) +2.5V (±5%)
Supply current 3.1mA max, 4.0 ~ 10.0MHz
3.7mA max, >10.0 ~ 20.0MHz
4.2mA max, >20.0 ~ 30.0MHz
4.6mA max, >30.0 ~ 40.0MHz
5.5mA max, >40.0 ~ 54.0MHz
Frequency vs supply voltage ±0.2ppm, VDD ±5%
Driving ability 15pF CMOS
Logic levels ‘0’ level = 10%VDD max
‘1’ level = 90%VDD min
Waveform symmetry 45:55 @ 50%VDD
Rise / fall time 5ns max
Frequency vs load ±0.2ppm, ZL ±10%
Enable / disable function Tristate (control via pad 1)
Standby current 10µA max
Phase noise (typ) -145dBc/Hz @ 10kHz
Period jitter RMS 3ps typ
Package Drawing
Golledge 3225 SM TCXO package
Ordering Information

To request a quotation for the GTXO-C31J 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.

Enable / Disable Function
Input (pad 1)Output (pad 3)
Open Enabled
'1' level Enabled
'0' level High Impedance
Soldering Profile
Solder reflow profile
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

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