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Additional Oven Controlled Crystal Oscillators - OCXOs
Technical Resources
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OCXOs   EMXOs
OCXOs

OCXO Frequency Range
(MHz)
Output Logic Package
(mm)
Features
DX-170
DX170 OCXO
Reference OX–171
for new designs
5 to 20 HCMOS
Sinewave
38.1 x 27.9 x 19 mm Ultra–High Stability
Excellent Temperature Stability
SC–Cut Crystal
OX-042
OX-042 OCXO
Reference OX–043
for new designs
3 to 20 Sinewave 51.8 x 51.8 x 20 mm Low g–sensitivity
Low Phase Noise
High Stability
SC–Cut Crystal Standard
OX-170
OX-170 OCXO
5 to 40 HCMOS
Sinewave
38.1 x 27.9 x 19 mm Lead Free
RoHS and Lead Free
Reflow Process Compatible
AT-CUT and SC-CUT Crystal Options
Low Profile Compact Package
Standard Eurocase OCXO with very low aging rates
C4700
C4700 OCXO
Reference DX-040
for new designs
4 to 15 HCMOS/Sinewave
12V
50.8 x 50.8 x 25.4 Lead Free
RoHS and Lead Free
Assembly Compliant
Ultra-High Stability
DOCXO in 2" x 2" package
C4710
C4710 OCXO
Reference OX-041
for new designs
5 to 20 HCMOS/Sinewave
12 or 15V
51.8 x 51.8 x 26.4 –150 dBc/Hz @ 100 Hz Offset
–165 dBc/Hz Noise Floor
High stability in
2" x 2" package
C4550
C4550 OCXO
Reference OX-200
for new designs
10 to 100 (AT-Cut) HCMOS/Sinewave
3.3V, 5V, or 12V
25.4 x 25.4 x 11.2 Lead Free
RoHS and Lead Free
Assembly Compliant
1" x 1" OCXO
Low profile package
Excellent stability versus
cost performance
SMD optional
10 to 100(SC-Cut) HCMOS/Sinewave
3.3V, 5V, or 12V
C4530
C4530 OCXO
Reference OX-220
for new designs
10 to 160 (AT-Cut) HCMOS/Sinewave
3.3V, 5V, or 12V
22.0 x 25.4 x 12.1
FR4 SMD
Lead Free
RoHS and Lead Free
Assembly Compliant
SMD FR4 OCXO
Excellent stability versus
cost performance
10 to 40 (SC-Cut) HCMOS/Sinewave
3.3V, 5V, or 12V
C4600
C4600 OCXO
Reference OX-170
for new designs
5 to 40 (AT-Cut) HCMOS/Sinewave
3.3V, 5V, or 12V
38.1 x 27.9 x 19.0
Eurocase
Lead Free
RoHS and Lead Free
Assembly Compliant
Standard Eurocase OCXO
with very low aging rates
5 to 40 (SC-Cut) HCMOS/Sinewave
3.3V, 5V, or 12V
C4500
C4500 OCXO
Reference OX-300
for new designs
6 to 60 (AT-Cut) HCMOS
3.3V, 5V, or 12V
20.5 x 20.5 x 11.2 Lead Free
RoHS and Lead Free
Assembly Compliant
Small size OCXO
Excellent stability
SMD optional
6 to 60 (SC-Cut) HCMOS
3.3V, 5V, or 12V
C4400
C4400 OCXO
Reference OX-400
for new designs
10 to 160 (AT-Cut) HCMOS
3.3 & 5V
13.2 x 20.8 x 10.2
DIP 14
Lead Free
RoHS and Lead Free
Assembly Compliant
Small size OCXO
Excellent stabilities
close to S3E
SMD optional
10 to 52 (SC-Cut) HCMOS
3.3 & 5V
OX-280
OX-280 OCXO
OCXO
6MHz - 60MHz HCMOS 20 x 22.5 x 15mm
FR4 SMD
Lead Free
RoHS and Lead Free
Assembly Compliant
Small size SMD FR4 OCXO
Close to S3E stability
OX-060
C4650 OCXO
OCXO
4MHz - 15MHz HCMOS
SINE
51.03 x 41 x 25.40mm Very High Stability
Low Aging
SC-Cut Crystal Standard
OC-260
OC-260 OCXO
(CO-760)
OCXO
1MHz - 80MHz HCMOS
SINE
25.7 x 25.7 x 13.2mm Replaced by
C4550 Series
OC-160
OC-160 OCXO
(CO-730C)
OCXO
1MHz - 80MHz HCMOS
SINE
35.3 x 26.9 x 19.4mm Replaced by
C4600 Series
OC-050 and
OC-051

OC-050/051 OCXO
(CO-330)
OCXO
5MHz and 10MHz HCMOS 2.00" x 2.00" x 1.4" Replaced by
C4700 Series
OX-041
OX-041 OCXO
OCXO
CO-724:
25MHz - 400MHz
CO-725:
25MHz - 200MHz
HCMOS,TTL
ECL,SINE
2" x 2" x (1"-1.25") High Frequency
Low Noise Option
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Evacuated Miniature Crystal Oscillators - EMXOs

EMXO Frequency Range
(MHz)
Output Supply Aging Package Features and Applications
EX-420
EX-420 EMXO
Reference EX-421
for new designs
10 to 30 HCMOS
Sinewave
3.3 or 5 V
< ± 300ppb/year 13.2 x 13.2 x 7.6 mm Low Power Consumption
Fast Warm–up
Good g–sensitivity
EX-240
EX-240 EMXO
Reference EX-200
for new designs
10 to 40 HCMOS
Sinewave
3.3 or 5.0V
< ± 1 ppm / 10 years 0.93"x1.03"x0.35" Low Power
small size
fast warm-up time
ruggedized for military
EX-245
EX-209 EMXO
Reference EX-209
for new designs
10 to 40 HCMOS
Sinewave
5.0V
< ± 1 ppm / 10 years 0.93"x1.03"x0.35" Low Power
small size
fast warm up time
rad tolerant to 100 krad
EX-380/381/385
EX-400/405 EMXO
Reference EX-400
for new designs
10 to 80 HCMOS/LVDS/PECL/
Sinewave
3.3 or 5V
< ± 100ppb/year
< ± 1ppm/10years
13.2 x 20.8 x 7.6mm Excellent performance vs. size
Low power consumption
Fast warm-up time
Good g-sensitivity
EX-620
EX-620 EMXO
Reference EX-420
for new designs
10 to 30 HCMOS
Sinewave
< ± 300ppb/year
< ± 1.5ppm/10years
13.2 x 13.2 x 7.6mm Excellent performance vs. size
Low power consumption
Fast warm-up time
Good g-sensitivity
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