SURFACE-MOUNT OSCILLATORS XO95 SERIES MIL-0-55310 TEST SCHEDULE DESCRIPTION Euroquartz XO95 series oscillators can be tested to MIL-0-55310 specification in accordance with the schedule outlined below. Please note that testing XO95 oscillators to this MIL-0-55310 schedule will only be carried out when requested by and the charges agreed with customers. SCREENING Item Description Method Employed 1. Precap Visual MIL-STD-883, Method 2017 and 3023 2. Stabilization Bake MIL-STD-883, Method 1008, Condition C 3. Temperature Cycling MIL-STD-883, Method 1010, Condition B 4. Constant Acceleration MIL-STD-883, Method 2001, Condition A, Y1 only 5. Seal MIL-STD-883, Method 1014, Conditions B&C 6. Electrical Frequency and Current 7. Burn-in Nominal Voltage for 160 hours @+125°C 8. Electrical Frequency and Current 9. Temperature Test Frequency and Current @25°C and each extreme GROUP A Item Description Method Employed 1. Electrical Frequency, current, supply voltage, over-voltage, input current, output logic voltage levels, Tr/Tf, duty Cycle 2. Visual and Mechanical 3. Solderability MIL-STD-202, Method 208 GROUP B Item Description Method Employed 1. 30 day ageing 70°C, frequency and current measured every 72 hours GROUP C Item Description Method Employed 1. Vibration MIL-STD-202, Method 204, Condition D 2. Shock MIL-STD-202, Method 213, Condition I 3. Thermal Shock MIL-STD-202, Method 107, Condition B 4. Ambient Pressure 50,000 feet for 12 hours @-60±2°C 5. Storage Temperature 24 hours at each temperature extreme 6. Resistance to Solder Heat MIL-STD-202, Method 210, Condition E 7. Moisture Resistance MIL-STD-202, Method 106 8. Salt Atmosphere MIL-STD-202, Method 1009, Condition B 9. Resistance to Solvents MIL-STD-202, Method 215 EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 1460 230000 Fax: +44 1460 230001 email: [email protected] web: www.euroquartz.co.uk