Crystal Oscillator NH25M22WJ Oven Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment ■ Main Application ● Base stations for system mobile communications ● Optical transmission system ● Measuring instrument ● Synthesizer ● Exchanger ● High-end router ■ Features ● Low height. (8.4mm) ● Excellent long-term frequency stability.(Max. ±30×10-9 / year) ● Excellent phase noise characteristics at frequency offsets. (-100dBc / Hz at 1Hz offset) ■ Specifications Model Item Measurement condition Nominal Frequency (MHz) NH25M22WJ 10 Supply Voltage [VCC] (V) +5 ±5 % at start Power Consumption (W) Max. 3 when stable (+25 °C) Max. 1.3 HCMOS level (VOL Max. 0.5 V, VOH Min. 3.5 V) Output Voltage at+(VOH + VOL) / 2 Symmetry (%) 40 to 60 Load Impedance (pF) 15 Operating Temperature Range (°C) 0 to +70 Storage Temperature Range (°C) −40 to +85 Stabilization Time (Frequency Stability) within ±500 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Stabilization Time (Frequency Stability) within ±50 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Stabilization Time Long-term Frequency Stability Based on frequency after 30 days operation Max. 90 seconds Max. 3 minutes Max. ±1×10−9/day Max. ±30×10−9/year Frequency/Temperature Characteristics 0 to +70 °C Max. ±10×10−9 Frequency/Voltage Coefficient VCC +5 V ± 5 % Max. ±3×10−9 Specification Number NSA3636A We offer a test instrument(charge) for measuring accurately. Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. ■ Dimensions ■ Reference Value mm 17.8±0.1 7.62±0.10 25.4±0.3 Terminal land connections DNC (Do not connect) #2 DNC #3 VCC #4 OUTPUT #5 DNC #6 DNC #7 GND Phase noise (at 10 MHz) dBc/Hz 1 Hz Typ. −100 10 Hz Typ. −125 100 Hz Typ. −142 1 kHz Typ. −152 10 kHz Typ. −152 8.4±0.3 22±0.3 #1 Offset frequency 2.5±0.3 #2 #3 2.5±0.3 #1 #7 #6 #5 #4 - 12 - 1502A_NH25M22WJ_e