HM206 32.768 TYPE QUARTZ CRYSTAL SPECIFICATION

SPECIFICATIONS

PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS

3-1. Humidity

Subject the crystal at 20℃± 2℃ and 90％ - 95％ RH for 96±4 hours Then release the crystal into the room conditions for 1hour prior to the measurement﹒

3-2. High Temperature Exposure

Subject the crystal to 70℃± 5℃ for 96±4 hours﹒ Then release the crystal into the room conditions for 1hour prior to the measurement﹒

3-3. Low Temperature

Subject the crystal to -10℃± 5℃ for 96±4 hours﹒Then release the crystal into the room conditions for 1hour prior to the measurement﹒

3-4. Mechanical Shock

Drop the crystal randomly onto a concrete floor from the height of 50cm 3 times﹒

3-5. Temperature Cycling

Subject the crystal to -20℃ for 30 min. followed by a high temperature of +70℃ for 30 min. Cycling shall be repeated 5times with a transfer time of 15sec. at the room condition﹒ Then release the resonator into the room temperature for 2hours prior to the measurement﹒

3-6. Solder Ability

Dip the crystal terminals no closer than 2 mm into the solder bath at 235℃± 5℃ for 3±0.5 sec .more than 95％ of the erminal surface of the crystal shall be covered with fresh solder.

3-7. Lead Fatigue

1) Pulling Test

Weight along with the direction of terminals without any shock 0.5kg for 10±1sec.; The crystal shall no evidence of damage and shall fulfill all the initial electric characteristics.

2) Bending Test

Lead shall be subject to withstand against 90 degree bending at its stem‧This operation shall be done towards both direction; The crystal shall no evidence of damage and shall fulfill all the initial electric characteristics.

3-8．Reflow soldering

This products can reflow soldering

4. REVIEW OF SPECIFICATION

When something get doubtful with this specifications,we shall jointly work to get an agreement.