Model 138 Stratum 3E, DIL OCXO (SMT or TH) Features Compliant to Stratum 3E 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 138 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. Other applications include: Telecom Switching, Wireless Communication and Timing over Packet. Ordering Information Temp Supply Model Stability EFC Package Style Frequency Range Voltage 138 U B E N T 10M000 Code Spec. Stability Code Spec. Code T Thru hole (ref to +25°C) D 5V ± 5% R S SMT ±100ppb E 3.3V ± 5% T ±50ppb U ±20ppb ±10ppb V Code Spec. W* 10ppb pk‐pk** Frequency Code V EFC * Order stability option “W” for full (MHz) N None GR‐1244‐CORE, Stratum 3E compliance 10M000 10.000 ** Over entire operating temp range 12M800 12.800 16M384 16.384 Temp. 19M440 19.440 Code Range 20M000 20.000 A 0 to 50°C 24M576 24.576 B 0 to 70°C 25M000 25.000 C ‐10 to 60°C 26M000 26.000 D ‐20 to 70°C Custom XX.XXX G ‐40 to 85°C Part Number Example: 138UBENT10M000 Rev. B_04282016 Page 1 of 6 ©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 138 Stratum 3E, DIL OCXO (SMT or TH) Electrical Specifications Parameter Conditions & Remarks Min Typical Max Unit Operating Temperature Range See How to Order Table ‐40 ‐ +85 °C Supply Voltage (Vcc) See How to Order Table Power Consumption During warm up Steady state @ 25°C 3.135 4.75 ‐ ‐ 3.3 5.0 1.8 0.75 3.465 5.25 2.5 1.0 Load Output to Ground 5 10 15 Pf Frequency Stability Frequency FNOM Operating Conditions Calibration Temperature Stability Frequency vs. Voltage Aging 24‐Hour Holdover Stability Total Free‐Run Accuracy Drift (24 hours) Short Term Stability ADEV (in still air) Wander Generation Warmup‐Up Time Std Frequencies: 10, 12.8, 16.384, 19.44, 20, 25, 26 F/FNOM; TA = 25C; at time of shipment ‐40 to +85°C (See Ordering Information table for available stability options) VCC ±5% Rev. B_04282016 W W MHz ‐ ±150 ±300 ppb ‐ ‐ 10 ppb, pk‐pk ‐ ±1 ±3 ppb ‐ ±0.5 ±1 ppb Per day ‐ ‐ ±50 ppb Per year ‐ ‐ ±500 Ppb 10 years Inclusive of operating temp and 24hours aging drift ‐ ‐ 11 ppb, pk‐pk (Stability option W) Under all operating conditions ‐ ‐ ±0.8 ppm for 10 years Constant temperature per ‐ ‐ ±1 ppb GR‐1244‐CORE 1.0 sec ‐ <0.01 0.02 ppb 10 sec ‐ 0.01 0.03 ppb 100 sec ‐ 0.02 0.05 ppb 1,000 sec ‐ 0.05 0.1 ppb 10,000 sec ‐ 0.07 0.2 ppb MTIE and TDEV per Stratum 3E requirements of Telcordia GR‐1244‐CORE TA=25C; to within 10ppb of ‐ ‐ 5 minutes freq. @ 30 min Electronic Frequency Control – EFC (option) Voltage Range Pulling Range Linearity Vdc VC, Control voltage range At time of shipment 0.1Vcc ±0.8 ‐ ‐ ±1.0 ‐ 0.9Vcc ‐ 10 V ppm % Page 2 of 6 ©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 138 Stratum 3E, DIL OCXO (SMT or TH) Output Parameters – Square Wave, HCMOS Amplitude Rise / Fall Times Duty Cycle Phase Noise (10MHz) VOL VOH 10% to 90% @ 10pf load @ 50% of output signal Offset = 10Hz 100Hz 1KHz 10KHz Spurious ‐ 0.9Vcc ‐ 45 ‐ ‐ ‐ ‐ ‐ ‐ ‐ 3 50 ‐120 ‐137 ‐147 ‐154 ‐ 0.1Vcc ‐ 5 55 ‐ ‐ ‐ ‐ ‐70 Vdc ns % dBc/Hz dBc Typical Stratum 3E Wander Generation performance per Telcordia GR‐1244‐CORE (locked through a 0.001 Hz loop bandwidth) Mechanical and Environmental Soldering MSL RoHS Shock Sinusoidal Vibration Random Vibration Seal Marking Permanency Packaging Storage Temperature Range Rev. B_04282016 Maximum reflow temperature, 245°C for 10seconds, 240°C for 20seconds, per IPC/JEDEC J‐STD‐202D Note: Not intended for inverted reflow Level 1 Lead‐Free. Fully compliant to RoHS Directive 2011/65/EU 500 G’s, 1msec, 5 shocks in each of 6 directions 10Hz to 55Hz with a double amplitude of 1.5mm, 10g’s peak from 55Hz to 2000Hz, for 30minutes in each of three perpendicular directions 5.35G’s RMS, 20 to 500Hz, per MIL‐STD‐202F, Method 214, 15minutes each axis Hermetic MIL‐STD‐202F, Method 215J Tape and Reel for Surface Mount Package; Bulk Pack in Foam for Thru‐Hole Package ‐45°C to +95°C Page 3 of 6 ©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 138 Stratum 3E, 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 Rev. B_04282016 Page 4 of 6 ©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 138 Stratum 3E, DIL OCXO (SMT or TH) Figure 2 – Package Drawing – Through Hole Lead Termination Finish: Solder Coated, Sn96.5% / Ag3.5% Rev. B_04282016 Page 5 of 6 ©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 138 Stratum 3E, DIL OCXO (SMT or TH) Packing: Tape and Reel Rev. B_04282016 Page 6 of 6 ©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.