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

The TKD OC-3627HP series is an ultra-high-precision oven-controlled crystal oscillator in a 36.0 × 27.0 mm package, delivering the tightest frequency stability and minimal aging. It is designed for core network timing, 5G synchronization and high-end measurement systems.

Specification of OC-3627HP

Technical Specifications		Min.	Typ.	Max.	Unit.	Reference Std.	Notes
Frequency Output			10		MHz	-	5MHz is available. Consult factory for other frequency
Output Waveform			3.3V CMOS		-	-	Consult factory for another waveform
Load			10MΩ//10pF		-	-
Rise/Fall Time		-	-	10	nS	-
Level	High level	2.7	-	-	V	-
	Low level	-	-	0.4	V	-
	Duty Cycle	40	-	60	-	-
Stability over Temperature		-	-	±0.1	ppb	-	-10℃~70℃
Frequency Accuracy		-	±1	-	×10⁻¹²	-	24 hours average. Locked to 1pps.
24Hours Holdover		-	-	1.5	μS	-	±10℃ after 7 days power on and 1 days discipline. Temperature variance below 1℃/Minute.
Acceleration Sensitivity		-	±1	-	ppb/g	-	Worst direction, consult factory for better sensitivity.
Phase Noise (@10MHz)	1Hz	-	-	-100	dBc/Hz	-
	10Hz	-	-	-125	dBc/Hz	-
	100Hz	-	-	-135	dBc/Hz	-
	1kHz	-	-	-145	dBc/Hz	-
	10kHz	-	-	-150	dBc/Hz	-
Supply Voltage	Supply Voltage	4.75	5	5.25	Vdc	-
	Steady Power	-	-	2.55	W	-	at 25℃ ambient
	Warm up Power	-	-	8.8	W	-	Factory configurable
	Warm up Time	-	-	5	Min.	-	To ±5ppb, Factory configurable for fast warm up