VG-4231CE (Voltage -Controlled Crystal Oscillator (VCXO) Miniature Size Low Profile, Wide Pull Range)

  • Frequency range
    3MHz to 50MHz
    50MHz is not included in Output frequency range.
  • Supply voltage
    3.3V (PSCM / CSCM)
    2.8V (PSBM / CSBM)
    1.8V (PQEM / CQEM)
  • Frequency control range
    ±140 × 10-6 (*SCM / *SBM)
    ±120 × 10-6 (*QEM)
  • Low current consumption
    1.0mA Typ. (27MHz , 3.3V)
  • External dimensions
    3.2 × 2.5 × 1.05mm

Pb free.

Complies with EU RoHS directive.



Item Symbol Specifications Conditions/Remarks
Output frequency range f0 3MHz to 50MHz
50MHz is not included in Output frequency range.
24MHz to 30MHz Please contact us for inquiries regarding other frequencies.
Supply voltage VCC 3.3V ±0.3V 2.8V ±0.2V 1.8V ±0.2V
Storage temperature T_stg -40°C to +125°C Store as bare product.
Operating temperature T_use As per below table
Frequency tolerance f_tol As per below table C : VC=1.65V
B : VC=1.40V
E : VC=0.90V
Current consumption ICC 7mA Max. 6.8mA Max. 1.2mA Max. No load condition
Frequency control range f_cont S : ± 140 × 10-6 Min. Q : ± 120 × 10-6 Min. VC = 1/2 VCC ± 1/2 VCC
Modulation characteristics BW 15kHz Min. ± 3dB(at 1kHz)
Input resistance Rin M : 5MΩ Min. DC level
Frequency change polarity - Positive polarity VC = 0V to VCC
Symmetry SYM 40% to 60% CMOS load: 50% VCC level
Output voltage VOH VCC - 0.4V Min. IOH = -3.0mA
VOL 0.4V Max. IOL = 3.0mA
Output load condition (CMOS) L_CMOS 15pF Max. CMOS load
Rise time and Fall time tr / tf 4ns Max. 6ns Max. CMOS load: 20% VCC to 80% VCC level
Start-up time t_str 5ms Max. Time at 90% VCC to be 0s
Frequency aging f_aging ± 5 × 10-6 Max. +25°C, 5years

* Please keep VC pin open or ground while powering up VCC.

Product name (Standard form)

External dimensions


(Unit: mm)

Footprint (Recommended)


(Unit: mm)

To maintain stable operation, provide a 0.01uF to 0.1uF by-pass capacitor at a location as near as possible to the power source terminal of the crystal product (between Vcc - GND).

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