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Oven Controlled & Evacuated Miniature Crystal Oscillators - OCXO/EMXO
Technical Resources
High Stability OCXOs   I2C OCXOs  OCXOs   Double Ovens  Low Noise OCXOs  EMXOs  Low g-sensitivity  1588 OCXOs

  • OX – OCXO

  • MD – OCXO with I²C Interface and Frequency Coefficients

  • MX – Microprocessor Corrected OCXO

  • DX – Double Oven OCXO

  • EX – Evacuated Miniature Crystal Oscillator
High Stability

OCXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
OX-300
OX-300 OCXO
20.5 x 20.5 x 10
10 to 20 HCMOS 3.3 V 3 3 0.5 60 –122 –154
OX-221
OX-221 OCXO
22 x 25.4 x 12.1 mm
10 to 30.72 HCMOS 3.3 V 3 3 0.5 60 –122 –154
OX-203
OX-203 OCXO
25.4 x 25.4 x 13.4 mm
5 to 20 HCMOS
Sinewave
5 V 0.6 1 0.1 20 –120 –145
OX-171
OX-171 OCXO
28 x 38 x 14 mm
5 to 20 HCMOS
Sinewave
3.3, 5 or 12 V 0.4 0.8 0.06 15 –125 –145
OX-070
OX-070 OCXO
Miniature atomic clock pin compatible
5 to 20 HCMOS
Sinewave
3.3, 5 or 12 V 0.4 0.8 0.06 15 –125 –145
MX-060
MX-060 OCXO
51 x 41 x 14.2 mm
5 to 15 HCMOS
Sinewave
5 or 12 V 0.2 0.6 0.06 20 –125 –145
MX-041
MX-041 OCXO
50 x 50 x 14.55 mm
5 to 15 HCMOS
Sinewave
5 or 12 V 0.2 0.6 0.1 20 –125 –145
For higher stabilities please review Rubidium Clocks >>
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OCXO with I2C Interface and Frequency Coefficients (View our App Note above for more information)

OCXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
MD-173
MD-173 OCXO
28 x 38 x 19 mm
5 to 20 HCMOS
Sinewave
3.3, 5 or 12 V 0.4 0.8 0.06 15 –125 –145
MD-223
MD-223 OCXO
20 x 20 x 12.1 mm
10 to 30.72 HCMOS 3.3 V 3 3 0.5 60 –120 –150
MD-203
MD-203 OCXO
25 x 25 x 11.3 mm
10 to 20 HCMOS 5.0 V 0.3 8 0.5 60 –120 –150
MD-403
MD-403
20.1 x 12.6 x 10.7 mm
10 to 40 HCMOS 3.3 V 10 10 1 100 –105 –155
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OCXOs

OCXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
OX-501
OX-501 OCXO
9.5 x 14.4 x 6.2 mm
10 to 40 HCMOS 3.3 V 10 20 5.0 500 –100 –148
MX-503
MX-503 MCXO
9 x 14 x 3.8 mm
8 to 26 HCMOS 3.3 V 30 50 5.0 250 –93 –156
OX-400
OX-400 OCXO
13.2 x 20.8 x 10.2 mm
10 to 40 HCMOS 3.3 or 5 V 5 10 1 100 –110 –150
OX-220
OX-220 OCXO
22 x 25.4 x 12.1 mm
10 to 40 HCMOS
Sinewave
3.3 or 5 V 10 10 0.5 60 –120 –150
OX-200
OX-200 OCXO
25.4 x 25.4 x 11.2 mm
10 to 100 HCMOS
Sinewave
3.3, 5 or
12 V
5 10 0.1 20 –120 –150
OX-206
OX-206 OCXO
25.4 x 25.4 x 13.5 mm
10 or 20 HCMOS
Sinewave
3.3, 5 V n/a 10 (−40 to 95°C) 1 100 –120 –150
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Double Ovens

OCXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
DX-040
DX-040 OCXO
50.8 x 50.8 x 25.4 mm
4 to 15 HCMOS
Sinewave
5 or 12 V 0.2 N/A 0.1 20 –120 –140
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Low Phase Noise

OCXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
OX-405
OX-405 OCXO
13 x 20 mm
80 to 120 HCMOS
Sinewave
3.3 or 5 V 25 50 3 300 –95 –160
OX-305
OX-305 OCXO
20 x 20 x 13 mm
100 Sinewave 12 V 100 200 5 200 –105 –178
OX-205
OX-205 OCXO
25 x 25 mm
100 Sinewave 12 V 100 200 5 200 –105 –176
OX-204
OX-204 OCXO
25 x 25 mm
10 Sinewave 5 or 12 V 10 20 0.5 30 –140 –175
OX-175
OX-175 OCXO
28 x 38 18.2 mm
50 to 130 Sinewave 12 V 50 100 5 200 –105 –176
OX-174
OX-174 OCXO
28 x 38 18.2 mm
5 to 20 HCMOS
Sinewave
5 or 12 V 5 10 0.5 100 –135 –175
OX-045
OX-045 OCXO
50 x 50 mm
10 Sinewave 12 or 15 V 3 5 0.1 20 –140 –163
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Evacuated Miniature Crystal Oscillators - EMXOs

EMXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
EX-421
EX-4210 EMXO EX-4211 EMXO
13 x 13 x 10 mm
SMD or Thru–Hole
10 to 100 HCMOS
Sinewave
3.3 or 5 V 20 30 1 100 –125 –165
EX-401
EX-4010 EMXO EX-4011 EMXO
20 x 13 x 9 mm
SMD or Thru–Hole
10 to 100 HCMOS
Sinewave
3.3 or 5 V 20 30 1 100 –125 –165
EX-400/401/405
EX-400/405 EMXO
13.2 x 20.8 x 7.6 mm
10 to 80 HCMOS
Sinewave
3.3 or 5 V 75 100 1 200 –100 –145
EX-200
EX-200 EMXO
0.93 x 1.03 x 0.35 in
10 to 40 HCMOS
Sinewave
3.3 or 5 V 20 50 2 200 –100 –150
EX-209
EX-209 EMXO
0.93 x 1.03 x 0.35 in
10 to 40 HCMOS
Sinewave
5 V 75 100 2 200 –100 –145
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Low g-sensitivity

OCXO Frequency
Range
(MHz)
Output Supply Temp Stability
0 to 70°C
(ppb)
Temp Stability
– 40 to 85°C
(ppb)
Aging (ppb)
day
Aging (ppb)
year
Phase Noise
at 10 Hz
Phase Noise
Floor
OX-080
OX-080 OCXO
37 x 37 x 13 mm
8 to 15 Sinewave 12 V 5 30 0.5 40 –127 –165
OX-043
OX-043 OCXO
51.8 x 51.8 x 25.3 mm
8 to 15 Sinewave 12 or 15 V 5 5 0.5 40 –135 –170
OX-046
OX-046 OCXO
52 x 52 x 20 mm
50 to 250 Sinewave 12 or 15 V 50 200 5 200 –100 –175
OX-990
OX-990 OCXO
48.27 x 58.25 mm
60 to 120 Sinewave 15 V 200 200 10 500 –95 –170
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