SMD1409 40MHz Oven Controlled Crystal Oscillator

Frequency: 40MHz
Output: HCMOS
Ambient: ≤±50ppb
Aging: ≤±1ppb/day
Frequency Accuracy: ≤±0.2ppm

OCXO SMD1409 – High-Performance Oven Controlled Crystal Oscillator (OCXO) with 40MHz HCMOS Output. Delivers ultra-stable frequency accuracy (≤±0.2ppm), excellent ambient stability (≤±50ppb), and low aging (≤±1ppb/day). Ideal for precision timing, telecom, and aerospace applications requiring superior phase noise and long-term reliability.

TECHNICAL INDICATOR

	Parameters	Technical Indicators	Remarks
Output Characteristics	Nominal Frequency	40.000MHz
	Output Level	HCMOS
	"0“ level	＜0.4V
	"1" level	＞2.4V
	Rise/fall Time	＜6ns
	Duty Cycle	45% ~ 55%
Frequency Stability	Ambient	≤±50ppb	-40～+85℃, fref=(fmax+fmin )/2
	Voltage	≤±5ppb	5V±5%
	Load	≤±5ppb	15pF±5%
	Aging	≤±1ppb/day	After 30days
		≤±300ppb/year
	Frequency Accuracy	≤±0.2ppm	Factory calibration value，+25℃,VC=2.5V
Power Characteristics	Current	＜400mA	@turn on
	Steady Current	＜200mA	@+25℃
	Voltage	5.0V	±5%
	Power-on Characteristics	≤±0.1ppm	The frequency deviation after 5 minutes of power on is equivalent to 1 hour.
Voltage Control（Frequency Fine Tuning）	Tuning Voltage Range	0~5V	Center Voltage +2.5V
	Tuning Range	＞±2ppm
	Slope	Positive
	Linearity	＜10%
	Input Impedance	≥100KΩ

TECHNICAL INDICATOR

	Parameters	Technical Indicators		Remarks
Phase Noise		Typ.	Max.	dBc/Hz
	10Hz	-100	-95
	100Hz	-135	-130
	1KHz	-150	-145
	10KHz	-153	-148
	100KHz	-153	-148
Work Environment	Operating temperature	-40℃~85℃
Work Environment	Storage Temperature	-55℃~105℃
Vibration	Test conditions: Amplitude: 0.75mm (5～26HZ); Acceleration: 10g; 10Hz～500Hz; 30min per cycle, 2 hours in each direction (3 directions, X, Y and Z), IEC 68-2-06 Test Fc.
Shocking	50g; 11ms; half sine wave (3 directions, X, Y and Z), IEC 68-2-27 TestEa/Severity 50A
Dimension	14.49.26.5mm
Weight	2.2g