Precision OCXO Specification Model: OFC5EF3AB Description: Parameter Model: OFC5EF3AB Frequency Range: 3.2 to 38.88 MHz 5.0 Vdc Operation Frequency Stability: ±10 ppb Temperature Range: -20 to 70°C HCMOS Output 25.4 x 25.4 mm Package Low Jitter / Low Phase Noise RoHS Compliant / Lead Free 20 13 B 2A EF Hz C5 M 93 OF 32. 0 74 28 25 94 11 2111 Comprehensive Drive 2111 Comprehensive Drive Aurora, Illinois 60505 Aurora, Illinois 60505 Phone: 630- 851- 4722 Phone: 630- 851- 4722 Fax: 630- 851- 5040 Fax: 630- 851- 5040 www.conwin.com www.conwin.com US Headquarters: 630-851-4722 European Headquarters: +353-61-472221 Features: Connor-Winfield's model OFC5EF3AB is a 3.3 Vdc, Oven Compensated Crystal Oscillators (OCXO) in a 25.4 x 25.4 mm through hole package. The OFC5EF3AB is designed for STRATUM 3E applications requiring very high frequency stability and low phase noise. Absolute Maximum Ratings Storage Temperature Supply Voltage Operating Supply Voltage (Vcc) Minimum -55 -0.5 4.75 Nominal - - 5.00 Maximum 100 7.0 5.25 Units °C Vdc Vdc Notes Absolute Ratings: Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only. The functional operation of the device at those or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to conditions outside the "recommended operating conditions" for any extended period of time may adversely impact device reliability and result in failures not covered by warranty. Parameter Operating Specifications Minimum Nominal Maximum Units Notes Frequency (Fo) 3.2 - 38.88 MHz Frequency Calibration @ 25°C: -0.6 - 0.6 ppm 1 Freq. Stability vs. Temperature: -10 - 10 ppb 2 Frequency vs. Supply Voltage -1 - 1 ppb 3 Frequency vs. Load -2 - 2 ppb Operating Temperature -20 - 70 °C Supply Voltage (Vcc) 4.25 5.00 5.25 Vdc ±5% Power Consumption Turn On: - - 3.0 W 4 Steady State @ 25°C: - - 1.5 W 5 Aging Daily, at time of shipment - - ±2.0 ppb/day First Year - - ±100 ppb Short Term Stability (1 sec) - 5.00E-11 - rms 6 Phase Jitter: (BW: 10Hz to Fo/2) - - 2.0 ps rms Period Jitter: - - 2.0 ps rms SSB Phase Noise Fo = 32 MHz @ 1 Hz - - -70 dBc/Hz @ 10 Hz - - -100 dBc/Hz @100 Hz - - -120 dBc/Hz @1 KHz - - -140 dBc/Hz @10 KHz - - -140 dBc/Hz @100 KHz - - -140 dBc/Hz Warm-up -100 - 100 ppb 7 2G Tip-over - - 5 ppb/G HCMOS Output Characteristics Parameter Minimum Load: Voltage: (High) Voh Voltage: (Low) Vol Rise / Fall Times @ 10% to 90% Duty Cycle: measured @ 50%Vcc Spurious Output 12 4.2 - - 45 - Nominal 15 - - - 50 - Maximum 18 - 0.4 5 55 -100 Units pF V V ns % dBc Package Characteristics Bulletin Page Revision Date Cx075 1 of 2 05 28 May 2013 Package Hermetically sealed welded package. Ordering Information OFC5EF2AB-032.0M Specifications subject to change without notice. All dimensions in inches. © Copyright 2012 The Connor-Winfield Corporation 2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630- 851- 4722 Fax: 630- 851- 5040 www.conwin.com Notes: 1. Initial calibration frequency measured @ 25°C at time of shipment. 2. Frequency stability vs. change in temperature , referenced to 25°C. 3. Frequency vs. change in supply voltage (±1.0%), referenced to 5.0 Vdc. 4. Measured with Vcc = nominal, in calm air. 5. Measured at 25°C 6. Allan Variance: 1 second, 100 average. 7. Measured at -20°C, within 10 minutes, referenced one hour after turn-on. Environmental Characteristics Temperature Cycle: Gross Leak Test: Pin Solderability: Shock Vibration Moisture Marking Permanency Attachment Method PCB Resistance to Solder Heat Solder Process Per MIL-STD-883, Method 1010, Condition B. -55°C to 125°C, 20 cycles, 10 minute dwell, 1 minute transition. Per MIL-STD-202, Method 112, Condition D. No bubbles in flourinert (FC-43) at 125°C ±5°C for 20 seconds. Per MIL-STD-883, Method 200. 8 hour steam age prior to 254°C ±5°C Solder pot dip, 95% Coverage. Per MIL-STD-202, Method 213, Condition D. 500G’s, 1ms, halfsine, 3 shocks per direction. Per MIL-STD-202, Method 204, Condition A. 10G’s peak, 10Hz to 500Hz, 15minute cycles 12 times each perpendicular axis. Per MIL-STD-202, Method 106. 95% RH @ 65°C, 10 cycles 10°C to 65°C Per MIL-STD-202F, Method 215J. Through Hole Mounted Per MIL-STD-202, Method 210, Condition C. Wave: Topside board-mount product, 260°C ±5°C for 20 Seconds. RoHS compliant, lead free. See solder profile. Package Outline Pin Connections Pin Connection 1: Output 2: Ground (Case) 3: N/C 4: N/C 5: Supply Voltage (Vcc) .500 Max. (12.70mm) Marking Diagram 1320 Dimensional Tolerance: ±.005 (.127mm) OFC5EF2AB 32.0 MHz 123456789012 123456789012 Test Circuit Model Number Output Frequency Serial # Barcode Serial Number Solder Profile Temperature 260°C 260°C Vc Date Code (YYWW) 220°C N/C 180°C 150°C 10 uF to 100 uF 15 pF 120°C 0.01 uF 0 10 s Up to 120 s 60 to 90 s Typical Typical Meets IPC/JEDEC J-STD-020C Bulletin Attention: System Designers please review Application Note AN2093: System Design Information and Printed Circuit Board Layout Guidelines for OCXO Oscillators. @ www.conwin.com/technologies.html Specifications subject to change without notice. All dimensions in inches. © Copyright 2012 The Connor-Winfield Corporation Page Revision Date Cx075 2 of 2 05 28 May 2013