Crystal Specification A147C/501000S/M /SPSCIFICATICE IS THE PROPERTY OF INTFRFACE QUARTZ DEVICES LTD. a A, THIS Diwsil OUTLINE DRAWING HC 18/U T und em max | 48 9 eu i tl _t_ 0 43% 488 +02 mex 12 Frequency: Holder Style: Cut: Calibration Tolerance at 25C: Stability Over Operating Temperature Range: Operating Temperature Range: Circuit Condition: Equivalent Series Resonant Resistance: First Year Ageing Rate: Maximim Drive Level: OTHER : (ppm = parts per million) Operable temperature range -55C to +125C 20.0 MH HC-18/U AT fund +20 ppm +50 ppm -10C to +60C Series Resonance 20 ohms iS ppm max (sample testing) 5 mW (CO -R3Y z (BC) amental mode (100% testing) (sample testing) max (100% testing) Date Li /76 11/80 App. 1, Issue 1 27 f Mod. Ae Ch. BE INTERFACE QUARTZ DEVICES LTD 29, Market Street, Crewkerme, Somerset TAL8 7JU, England. Velephone. Crewkerne (U460} 74433 Telex 46283