OCXO Oven Controlled Crystal Oscillator OCXOs MMD Components

Below is just a sample of MMD's OCXO product offering. Please check with your MMD representative for any specific requirements that you may have.
Preview	OCXO Series OUTPUT TYPE	Package	Frequency Range	View PDF	Revision Date	RoHS Compliant
	MOAH3 Series	1 Inch Square (5 pin) 3.3V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		04/07/08D	No
	MOAZ3 Series	1 Inch Square (5 pin) 3.3V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		04/07/08D	No
	MOAH5 Series	1 Inch Square (5 pin) 5V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		04/07/08D	No
	MOAZ5 Series	1 Inch Square (5 pin) 5V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		04/07/08D	No
	MOAH12 Series	1 Inch Square (5 pin) 12V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		04/07/08D	No
	MOAZ12 Series	1 Inch Square (5 pin) 12V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		04/07/08D	No
	MOBH5 Series	1 Inch Square (14 pin DIP pinout) 5V \| OCXO \| HCMOS \| N/A	1.000MHz to 50.000MHz		02/23/07C	No
	MOBZ5 Series	1 Inch Square (14 pin DIP pinout) 5V \| OCXO \| Sinewave \| N/A	1.000MHz to 50.000MHz		02/23/07C	No
	MOBH12 Series	1 Inch Square (14 pin DIP pinout) 12V \| OCXO \| HCMOS \| N/A	1.000MHz to 50.000MHz		02/23/07C	No
	MOBZ12 Series	1 Inch Square (14 pin DIP pinout) 12V \| OCXO \| Sinewave \| N/A	1.000MHz to 50.000MHz		02/23/07C	No
	MOC1H5 Series	1.5 Inch Square (5 pin) 5V \| OCXO \| HCMOS \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC1Z5 Series	1.5 Inch Square (5 pin) 5V \| OCXO \| Sinewave \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC1H12 Series	1.5 Inch Square (5 pin) 12V \| OCXO \| HCMOS \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC1Z12 Series	1.5 Inch Square (5 pin) 12V \| OCXO \| Sinewave \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC2H5 Series	1.5 Inch Square (5 pin) 5V \| OCXO \| HCMOS \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC2Z5 Series	1.5 Inch Square (5 pin) 5V \| OCXO \| Sinewave \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC2H12 Series	1.5 Inch Square (5 pin) 12V \| OCXO \| HCMOS \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MOC2Z12 Series	1.5 Inch Square (5 pin) 12V \| OCXO \| Sinewave \| N/A	500.000KHz to 60.000MHz		04/09/08D	No
	MODZ12 Series	2 Inch Square (5 pin) 12V \| OCXO \| Sinewave \| N/A	1.000MHz, 5.000MHz, & 10.000MHz		02/23/07C	No
	MOEH3 Series	Euro Package, 5 Pin 3.3V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		02/23/07C	No
	MOEZ3 Series	Euro Package, 5 Pin 3.3V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		02/23/07C	No
	MOEH5 Series	Euro Package, 5 Pin 5V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		02/23/07C	No
	MOEZ5 Series	Euro Package, 5 Pin 5V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		02/23/07C	No
	MOEH12 Series	Euro Package, 5 Pin 12V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		02/23/07C	No
	MOEZ12 Series	Euro Package, 5 Pin 12V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		02/23/07C	No
	MOFH12 Series	14 Pin DIP 12V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		02/20/08F	5/6 Compliant
	MOFZ12 Series	14 Pin DIP 12V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		02/20/08F	5/6 Compliant
	MOFH5 Series	14 Pin DIP 5V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		02/20/08F	5/6 Compliant
	MOFZ5 Series	14 Pin DIP 5V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		02/20/08F	5/6 Compliant
	MOFH3 Series	14 Pin DIP 3.3V \| OCXO \| HCMOS \| N/A	1.000MHz to 150.000MHz		02/20/08F	5/6 Compliant
	MOFZ3 Series	14 Pin DIP 3.3V \| OCXO \| Sinewave \| N/A	1.000MHz to 150.000MHz		02/20/08F	5/6 Compliant

OCXO (short for Oven Controlled X-tal (Crystal) Oscillator) is a technique used for avoiding temperature changes that affect the resonance frequency of a piezoelectrical crystal.

The crystal is enclosed in a small insulated container along with a heating element and a temperature sensor. This arrangement is used to keep the crystal at a constant temperature, one well above the temperature of its working environment; typically the target temperature is around 70–80 degrees Celsius. In many applications, an OCXO has greater frequency stability then the crystal by a factor of ten or more.

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