Data Sheet

Model 137
Stratum 3, DIL OCXO (SMT or TH)
FEATURES
•
•
•
•
•
Compliant to Stratum 3 of GR-1244-CORE
Surface Mount or Thru hole DIL Package
3.3V or 5.0V operation
Low Jitter/Phase Noise
Tape and Reel Packaging
DESCRIPTION
The CTS Model 137 is a low cost, small size, high
performance OCXO. The high quality CTS Quartz
Crystal used in this OCXO offers high stability and
low jitter/phase noise, making it the ideal choice
for any telecommunications system.
Applications
• Telecom Switching
• Wireless Communication
• Timing over Packet
RoHS Status
ELECTRICAL SPECIFICATIONS
Parameter
Conditions & Remarks
Min
Typical
Max
Unit
-40
-
+85
°C
3.135
4.75
-
3.3
5.0
1.8
3.465
5.25
2.5
steady state @ 25°C
-
0.75
1.0
W
Output to Ground
5
10
15
pf
Frequency
FNOM
10
10, 12.8, 16.384,
19.44, 20, 25, 26
26
MHz
Calibration
∆F/FNOM; TA=25°C;
at time of shipment
-
± 0.2
± 0.5
ppm
vs Operating Temperature
-40°C to +85°C
-
±0.1
ppm
vs Supply Voltage
± 5%
-
±5
ppb
Per day, at time of shipment
-
-
±5
ppb
Aging
first year
-
-
± 500
ppb
-
-
±3.5
ppm
24-Hour Holdover Stability
10 years
Inclusive of operating temp
and 24 hours aging drift
(Stability option R)
Under all operating conditions
for 10 years
-
-
0.37
ppm
-
-
± 4.6
ppm
Operating Conditions
Operating Temperature
Range (optional)
TOP
Supply Voltage
See How to Order table
(Vcc)
during warm up
Power Consumption
Load
Vdc
W
Frequency Stability
Std Frequencies:
Total Free-Run Accuracy
137-series
Page 1 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
Model 137
Stratum 3, DIL OCXO (SMT or TH)
ELECTRICAL SPECIFICATIONS (Continued)
Parameter
Conditions & Remarks
Min
Typical
Max
Unit
-
-
± 40
ppb
Frequency Stability continued
Drift (24 hours)
Constant temperature per
GR-1244-CORE
Wander Generation
Warm-Up Time
MTIE and TDEV per Stratum 3 requirements of Telcordia GR-1244-CORE
TA=25°C; to within 10ppb of
freq. @ 30 min
-
-
5
minutes
± 8.0
± 10
-
ppm
Electronic Frequency Control - EFC (option)
Frequency Tuning (Vc)
Fmin @ Vc = 0.1 Vcc
Fmax @ Vc = 0.9 Vcc
(at time of shipment)
Output Parameters
Output Signal, Square
Wave
HCMOS
Amplitude
Rise / Fall Times
10% to 90% @ 10pf load
Duty Cycle
@ 50 % of output signal
Phase Noise (20MHz)
VOL
-
-
10%VCC
VOH
90% VCC
-
-
-
3
5
Vdc
ns
45
50
55
%
10 Hz
-
-105
-
dBc/Hz
100 Hz
-
-135
-
dBc/Hz
1 kHz
-
-150
-
dBc/Hz
-
-154
-
dBc/Hz
-
-
-70
dBc
10 kHz
Spurious
Mechanical and Environmental
MSL
Maximum reflow temperature, 245°C for 10 seconds, 240°C for 20 seconds, per
IPC/JEDEC J-STD-020D
Note: Not intended for inverted reflow.
Level 1
RoHS
Lead-Free. Fully compliant to RoHS Directive 2011/65/EU
Shock :
500 G’s, 1msec, 5 shocks in each of 6 directions
Sinusoidal Vibration :
10 Hz to 55 Hz with a double amplitude of 1.5 mm, 10 g’s peak from 55 Hz to 2000Hz, for
30 minutes in each of three perpendicular directions
Random Vibration :
5.35 G’s RMS. 20 to 500 Hz, per MIL-STD-202F,
Method 214, 15 minutes each axis.
Seal :
Hermetic
Marking Permanency :
MIL-STD-202F, Method 215J.
Packaging :
Tape and Reel for Surface Mount Package; Bulk Pack in Foam for Thru-Hole Package
Storage Temperature
Range:
-45°C to +95°C
Soldering
137-series
Page 2 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
Model 137
Stratum 3, DIL OCXO (SMT or TH)
How to Order
Model
137
Stability
N
Code
Stability
N
R
T
±250 ppb
±100 ppb
±50 ppb
Temp
Range
B
Supply
Voltage
E
EFC
N
Package Style
T
Frequency Code
M
Code
Specification
Code
Specification
D
5V ± 5%
T
Thru hole
E
3.3V ± 5%
S
SMT
Code
V
N
Specification
EFC
None
Temp range
Code
Frequency (MHz)
A
B
C
D
G
0 to 50°C
0 to 70°C
-10 to 60°C
-20 to 70°C
-40 to 85°C
10M000
10.000
12M800
12.800
16M384
16.384
19M440
19.440
20M000
20.000
25M000
25.000
Standard
Frequencies
Code
26M000
26.000
Custom
XXMXXX
Part Number Example: 137RBENT10M000
Model 137 Stability Matrix
Temp Range
A (0 to 50°C)
B (0 to 70°C)
C (-10 to 60°C)
D (-20 to 70°C)
G (-40 to 85°C)
137-series
Stability
R
N
T
(±250 ppb)
(±100 ppb)
(±50 ppb)
*
*
*
*
*
*
*
*
*
*
*
*
*
Page 3 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
Model 137
Stratum 3, DIL OCXO (SMT or TH)
MECHANICAL SPECIFICATIONS
Figure 1 - PACKAGE DRAWING – Surface Mount
Pad termination finish: Gold flash < 10 µ inch, over Ni plated Cu
CTS**
137XXXXX
XXMXXX
YYWW XXXXXX
137-series
Page 4 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
Model 137
Stratum 3, DIL OCXO (SMT or TH)
Figure 2 - PACKAGE DRAWING – Through Hole
Lead Termination Finish : Solder Coated, 96.5% / 3.5% Sn/Ag
CTS**
137XXXXX
XXMXXX
YYWW XXXXXX
137-series
Page 5 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
Model 137
Stratum 3, DIL OCXO (SMT or TH)
Packing: Tape and Reel
137-series
Page 6 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
Model 137
Stratum 3, DIL OCXO (SMT or TH)
137-series
Page 7 - 7
Rev B
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • [email protected]
Specifications are subject to change without notice
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