Vectron Products - ECL/PECL Clock Oscillators - CO-431, CO-451 Helping Customers Innovate, Improve & Grow Page 1 of 2 Search XOs > CO-431/451 CO-431/451 ECL/PECL Clock Oscillators Features: Frequencies from 5 MHz to 200 MHz Low Profile 4 Pin Dip 10K, 10KH, 100K, ECLinPS, 10E/EL and 100E/EL Logic CO431 Available as QPL to MIL-0-55310/25B SPECIFICATIONS Part CO-431 Series 4 Pin Dip CO-451 Frequency 5 MHz-200 MHz Output Output taken directly from 10K, 10KH, ECLinPS Output taken directly from 100K, ECLinPS or or ECLinPS Lite gate, depending on temperature ECLinPS Lite gate, depending on temperature and frequency range. and frequency range. Supply -5.2 Vdc ± 5% <45 mA to 110 MHz <70 mA above 110 MHz -4.5 Vdc±5% at <60 mA Accuracy (at 25°C) CO-431A: ±50 ppm CO-451A: ±50 ppm Temperature Stability STANDARD: 0°C to +70°C: Option 1: -55°C to +85°C: ±50 ppm Option 2: -55°C to +125°C: ±50 ppm Improved accuracy/stability available on some models. For example, for ±7 ppm over 0°C to +50°C and for ±10ppm over 0°C to +70°C. Improvement is also available over wider temperature ranges. Please contact factory. ±25 ppm Option 5: 0°C to +50°C: ±5 ppm Option 6: 0°C to +50°C: ±10 ppm *Option 7: -55°C to +125°C: ±100 ppm *-1,-2,-7 restricted to -30/+85°C above 110 MHz in CO-233ME Aging Rate (typical after 30 days) 3 ppm first year 2 ppm/year thereafter 3 ppm first year <2 ppm/year thereafter top of page http://www.vectron.com/products/xo/CO-431_451.htm 3/11/2009 Vectron Products - ECL/PECL Clock Oscillators - CO-431, CO-451 Page 2 of 2 SCREEN TESTING OF ABOVE MODELS Standard Options MIL-STD-883 METHOD CLASS X CLASS D CLASS B Stabilization Bake (150°C) — X X X Seal Test (Gross and Fine) 1014, Cond A2 X X X Temperature Cycling (Thermal Shock) 1010, Cond B X X Burn-in, operating 160 hours @125°C — X X Acceleration (5000g in Y1 axis) 2001, Cond A SCREEN TEST CLASS S Class S screen test requirements include 24 hour additional bake-out, 80 hour additional burn-in, thermal shock, PIND test and radiographic inspection in addition to Class B Screening. Has major cost impact. X top of page Dimension in inches Pinouts Pin 7 8 14 1 Function Supply (-) Output OV, case N/C top of page Copyright © 1997-2009 by Vectron International, Inc., A Dover Company. Vectron International's Terms and Conditions. The most recent change to this page occurred 02/11/2009 http://www.vectron.com/products/xo/CO-431_451.htm 3/11/2009