HC-49S - Wing Shing Computer Components

HC-49S CRYSTAL UNIT

HC-49/S 1. SCOPE CRYSTAL UNIT This specification shall cover the characteristics of crystal unit with HC-49/U 3.579545—27.00MHz 2. ELECTRICAL SPECIFICATION ITEM HOLDER TYPE NOMINAL FREQUENCY LOAD CAPACITANCE OSCILLATION MODE FREQUENCY TOLERANCE AT 25℃±2℃ EQUIVALENT SERIES RESISTANCE DRIVE LEVEL OPERATING TEMPERATURE RANGE FREQUENCY STABILITY SHUNT CAPACITA.

Features

ngle 90°to normal position Rate of bending 3 seconds in each cycle Number of bending 3 Results: There should be no distortion in appearance. 2) Lead solder ability test Conditions: Dipping in solder(+230℃±5℃)for 5 seconds Results: More than 95% of surface being tested should be coated uniformly with solder. 3) Vibration test Conditions: Results: Frequency 10
  – 55Hz Amplitude 0.762mm Sweep 1.0 minute Duration 2 hours Frequency and wave form of tested products must Remain within specifications. 4) Drop test Conditions: Results: Method of drop Natural drop Dropping floor Hard wood board Hei.