Oven Controlled Crystal Oscillators
SINEWAVE OUTPUT OCXO IN 1"x1" DIP PACKAGE - OC25S Series
FEATURES
RoHS Compliant, Wide Frequency Range (4 MHz to 100 MHz), 50 Ohms Sinewave Output
AT-cut or SC-cut Crystal, Stratum3 or Better Stability, 5V or 12V Supply Voltage
Voltage Control Option, Industry Standard Lead Spacing
Standard Frequencies: 10, 12, 12.8, 13, 14.4, 16.384, 32.768, 100.00 MHz
SPECIFICATIONS
Frequency Stability vs. Temp
Temperature Range
Aging (after 30 days)
Initial Tolerance
Frequency vs. Load
Frequency vs. Voltage
Storage Temperature Range
50 = ±50 ppb; 100 = ±100 ppb; 500 = ±500 ppb
A = 0°C to 70°C; B = -40°C to 85°C; D = -20°C to 70°C
1E-7
first year, at 10MHz AT-cut
±0.05 ppm Typ, at 25°C, Vc = 1/2 Vcc
±0.02 ppm Typ / ±5% load change
±0.02 ppm/V Typ
-40°C to 105°C
Phase Noise(Typ,10MHz,AT-cut)
-115 dBc/Hz @10Hz, -135 dBc/Hz @100Hz
-150 dBc/Hz @1KHz, -155 dBc/Hz @10KHz
G-Sensitivity
±0.002 ppm/G, Worst direction
Inpuy Voltage (Vcc)
Input Current (Max)
Output Load
Warm-up Time
Output Waveform & Level
Harmonic Attenuation
Spurious Attenuation
EFC Range
Linearity / Slope
EFC Input Impedance
Creating a Part Number
Product Series
Frequency
Supply Voltage: A = 5.0V
T = 12V
A = +5 VDC ±5%; B = +3.3 VDC ±5%; T = +12 VDC ±5%; U = +15 VDC ±5%
Steady state: 200 mA / 120 mA for Vcc = 5V / 12V at 25°C
Start-up: 500 mA / 250 mA for Vcc = 5V / 12V
50 Ohms
3 minutes Maximum, to ±0.1 ppm accuracy
Sinewave, +3 dBm / +5 dBm Typ for Vcc = 5V / 12V
-40 dB Typ, -30 dB Minimum
-80 dB Typ, -75 dB Minimum
±5 ppm/AT-cut, ±0.7 ppm/SC-cut, with control voltage Vc = 0.5V to 4.5V
±10% Maximum of best straight line fit / Positive
100 kOhms Minimum
OC25S-12M800-A 50 D V
(Not all combinations are available. Consult factory)
EFC option or blank
Operating Temperature Range: A = 0 to 70°C
Frequency Stability:
50 = ±50 ppb
100 = ±100 ppb
500 = ±500 ppb
B = -40 to 85°C
D = -20 to 70°C
X = Customized Temp Range
OUTLINE DRAWING
U = 15V
3
25.4 SQ
9.50
16
4
19.0
Pin Connections
#1: Output
#2: Ground/case
#3: Control voltage or N/C
#4: Reference voltage or N/C
#5: Vcc
Glasss Standoffs x4
0.5 height
Lead - Kovar; Finish - Ni Plated
2
1
19.0
5
0.8 DIA
5
All dimensions are typical unless otherwise specified
Dimensions in Millimeters
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