Model 149 Stratum 3E, 9x14 mm OCXO Features 10 to 50 MHz Frequency Range Compliant to Stratum 3E of GR-1244-CORE Surface Mount 3.3V or 5.0V operation Low Jitter/Phase Noise Tape and Reel Packaging Applications Telecom Switching Wireless Communication Timing over Packet Part Dimensions: 9.7 × 14.9 x 7.0 mm Description The CTS Model 149 is a low cost, small size, high performance OCXO. The high quality SC Quartz Crystal used in this OCXO offers high stability and low jitter/phase noise, making it the ideal choice for any telecommunications system. Ordering Information – Table 1 Model Temp Range Stability* Supply Voltage Electronic Freq Control Frequency Code 149 B T E N 20M000 Code Temp range Code Supply 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 D E 5.0V ±5% 3.3V ±5% Code Stability R T U* V* ±100 ppb ±50 ppb ±20 ppb ±10 ppb * For full GR-1244 Stratum 3E holdover and wander generation performance, choose: Stability option U for compliance over any 25°C change, or Stability option V for compliance over any 40°C change Model 149 Rev. F_062016 Code 20M000 XXMXXX Code Spec V N EFC No EFC Part Number Example: 149BTEN20M000 Frequency (MHz) 20.000 XX.XXX Standard Frequencies (MHz) 10.000 12.800 19.200 20.000 24.576 25.000 49.152 Page 1 of 5 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 149 Stratum 3E, 9x14 mm OCXO Electrical Specifications Parameter Conditions & Remarks Min Typical Max Unit -40 3.135 4.75 3.3 5.0 85 3.465 5.25 °C - 0.7 2.7 1 W 13.5 15 16.5 pF 10 - 50 MHz Operating Conditions Operating Temperature Range TOP Supply Voltage VCC: 3.3V or 5.0V Power Consumption Warm-up Steady State; TA = 25°C Load Vdc Frequency Stability Frequency FNOM Initial Frequency Tolerance Freq. vs Temperature (See Table 1) Freq. vs Supply Voltage @25°C, at time of shipment - - ±0.200 ppm -40°C to 85°C (ref to +25C) - - ±10 ppb VCC ±5% - ±1 ±5 ppb Freq. vs Load 15 pf ±5% - ±1 ±5 ppb Freq. vs Time (Aging ) After 30 days of operation (for 19.2 MHz) - - ±1 ±150 ±1.2 ppb/day ppb/year ppm/10 yrs - - ±1.6 ppm - - ±50 ppb - - 0.05 ppb - - ±50 ppb - - 11 ppb, pk-pk Free run accuracy Frequency Retrace Short Term Stability (ADEV) Warm-up time Holdover Stability (24 hours) Wander Generation All causes – 10 years 0.5 hours on after 24 hrs off, preceded by 24 hrs on. Ref to turn off frequency. 1.0 sec @ 25°C, After 5 mins referenced to the freq after 1 hour on For any 40°C change over the operating temperature range (Stability options U and V. See Table 1) Meets Stratum 3E MTIE and TDEV per Telcordia GR-1244-CORE Output Parameters CMOS Output Levels 3.3V (LVCMOS) 5.0V (HCMOS) VOL VOH 2.4 3.0 - 0.4 0.4 - Vdc Rise/Fall Times 10% to 90%, 15pf load - - 5 ns Duty Cycle @50% of output signal 45 50 55 % Model 149 Rev. F_062016 Page 2 of 5 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 149 Stratum 3E, 9x14 mm OCXO Electrical Specifications (Continued) Parameter Conditions & Remarks 1 Hz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz Phase Noise (Typical for 19.20 MHz) Min Typical Max - -85 -115 -138 -148 -152 -154 - 0.0 0.0 ±2.0 1.65 2.5 - 3.3 5.0 ±4.0 - - - Unit dBc/Hz Electronic Frequency Control - EFC (Optional) EFC Control Voltage VC 3.3V 5.0V Frequency Adjust Range Slope Positive, monotonic Input Impedance ZIN Linearity Volts ppm 100 - - Kohms - - 10 % Typical Stratum 3E Wander Generation performance per Telcordia GR-1244-CORE (locked through a 0.001Hz loop bandwidth) Model 149 Rev. F_062016 Page 3 of 5 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 149 Stratum 3E, 9x14 mm OCXO Mechanical and Environmental Storage Temperature Range -55°C to +105°C Operating Temperature Range -40°C to +85°C Per IPC/JEDEC J-STD-020D; >217°C, 1.5min and 245°C (Absolute max temperature), 10 secs. Note: This product is not designed to be reflowed in an inverted position. Reflow Profile Mechanical Shock 100g, 6ms, 1/2 sinewave, 3 shocks each direction along 3 mutually perpendicular planes. Drop 10 cm height, 3 times onto hard board with thickness of 3 cm. - IEC60028-2-32 test Ed. Bumping 40g, 6mS, 4000 ±10 times in each of three mutually perpendicular axes Random: Frequency range: 1Hz‐4Hz‐100Hz‐200Hz Acceleration: 0.0001g²/Hz ‐ 0.01g²/Hz ‐ 0.01g²/Hz ‐ 0.001g²/Hz Grms=1.15g. Duration: 30 minutes (per axis) Sine: 10 - 55 Hz, 0.75mm DA, Sweep time 30 minutes per axis Mechanical Vibration Thermal Shock -40°C ~ +85°C. 0.5 hour dwells with <30 second transitions. 100 cycles RoHS Lead Free, and fully compliant to RoHS Directive 2011/65/EU MSL Level 2 Mechanical Specifications Pad termination finish: Gold flash < 10 µ inch, over Ni plated Cu Dimension (mm) CTS** 149XXXX XXMXXX YYWWXXXXX Model 149 Rev. F_062016 Symbol Min Max A - 14.9 B - 9.7 C - 7.0 D 0.9 1.1 E 1.6 1.8 F 0.9 1.1 G 2.54 nominal H 2.54 nominal Pad Connection 1 Vc or N/C 2 N/C 3 Ground 4 Output 5 N/C 6 Vcc Recommended Solder Pad Geometry Marking Key ** YYWWXXXXX Mfg site code Serial Number (mfg date code = first 4 digits) Page 4 of 5 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. Model 149 Stratum 3E, 9x14 mm OCXO Solder Reflow Ts max to TL(Ramp-up Rate) Preheat Temperature Min (Ts min) Temperature typ (Ts) Temperature max (Ts max) Time (tS) Ramp-up Rate (TL to TP) Time maintained above: --Temperature (TL) --Time (tL) 3°C/s max 150°C 175°C 200°C 60-120 seconds 3°C/s max 217°C 90 seconds max 245°C max for 10 Peak Temperature seconds Time within 5°C of peak (tP) 20 seconds Ramp-down Rate 6°C/s max Time 25°C to Peak Temp (t) 8 minutes max Note: Temperatures represent device body temperature. Packing: Tape and Reel Model 149 Rev. F_062016 Page 5 of 5 ©2015 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.