Name: OC-3627
Brand: TKD Science and Technology Co., Ltd.

The TKD OC-3627 series is a high-performance oven-controlled crystal oscillator in a 36.0 × 27.0 mm package, offering ultra-high stability and low phase noise. It is engineered for core network synchronization, 5G infrastructure, timing and measurement systems.

Specification of OC-3627

Technical Specifications		Min.	Typ.	Max.	Unit.	Notes
Nominal Frequency		-	10	-	MHz	Output Frequency:5-40MHz. Typical Frequencies: 10,12.8,13,15.36,19.2,20,25,38.88MHz
Output Waveform		-	Square wave	-	-	Sine wave output is available. Consult factory for more information.
Level(HCMOS)	High level	2.4	-	-	V
	Low level	-	-	0.4	V
	Load	-	15	-	pF
	Duty Cycle	45	50	55	%	@+1.4V
	Clutter	-	-	-60	dBc
Temperature characteristics		-5.0	-	5.0	ppb	Temperature range: -30℃ to +70℃ (referenced to +25℃). Refer to the "Frequency Stability vs. Temperature Range" table.
Phase Noise		-	-	-120	dBc/Hz	@10 Hz
		-	-	-135	dBc/Hz	@100 Hz
		-	-	-145	dBc/Hz	@1k Hz
		-	-	-150	dBc/Hz	@10k Hz
Frequency adjustment	Range	-	-	-0.5	ppm	VCO@0V
	Range	0.5	-	-	ppm	VCO@5.0V
	Control Voltage	0	2.5	5	V
	Slope	-	Positive slope	-	-
	Input Impedance	100	-	-	kΩ
Input Power Supply	Voltage Range	4.75	5	5.25	V	3.3V version is available
	Startup Current	-	-	850	mA
	Stable Power	-	-	1.3	W	@+25℃