Vectron Products - HCMOS, ACMOS and FCT Clock Oscillators - CO-448 Helping Customers Innovate, Improve & Grow Page 1 of 2 Search XOs > CO-448 CO-448 HCMOS, ACMOS and FCT Clock Oscillators Features: 100 kHz to 50 MHz Frequency Range Sealed Ceramic Leadless Chip Carrier HCMOS/ACMOS/FCT/ACT Compatible Lowest Profile SPECIFICATIONS Series CO-448: Leadless Chip Carrier Frequency 100 kHz-50 MHz Supply 5 Vdc ± 5% Accuracy (Maximum Error at 25°C) CO-448A ±50 ppm CO-448C ±25 ppm *Settability via external capacitor; (<60 MHz only; except 449E <20 MHz) Temperature Stability 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. STANDARD: 0°C to +70°C: Option 1: -55°C to +85°C: ±25 ppm ±50 ppm Option 2: -55°C to +125°C: ±50 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 *Option 9: -55°C to +200°C: ±300 ppm (Option 9: N/A in CO-448 or above 20 MHz in CO-440 Series) *Specified stability includes initial accuracy: do not specify A,B,C,D or E accuracy. Aging Rate (typical after 30 days) 3 ppm first year 2 ppm/year thereafter top of page SCREEN TESTING OF ABOVE MODELS http://www.vectron.com/products/xo/CO-448.htm 3/11/2009 Vectron Products - HCMOS, ACMOS and FCT Clock Oscillators - CO-448 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 Page 2 of 2 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 CO-448 Dimension in inches Pinouts Pin 4 10 31 37 39 Other Function +5Vdc +5Vdc Ground Ground Output 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-448.htm 3/11/2009