2.8V SM TCXO with CMOS Output

  • 2.8V 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-C25K 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

The ultra-miniature GTXO-C25K offers excellent phase noise and jitter performance in a tiny 2.5 x 2.0 x 0.95mm ceramic package with metal lid and gold plated pads. This TCXO requires 2.8V supply voltage.

The GTXO-C25K temperature compensated oscillator also features tight stability options including ±2.5ppm, and low ageing level of just ±1.0ppm first year maximum.

This TCXO comes with enable/disable functionality as standard.

Frequency range 4.0 ~ 54.0MHz
Dimensions 2.5 x 2.0 x 0.95mm
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) +2.8V (±5%)
Supply current 3.4 mA max, 4.0 ~ 10.0MHz
4.1mA max, >10.0 ~ 20.0MHz
4.7mA max, >20.0 ~ 30.0MHz
5.2mA max, >30.0 ~ 40.0MHz
6.0mA 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 2.5x2.0mm SM TCXO package
Ordering Information

To request a quotation for the GTXO-C25K 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