SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.

6.ENVIRONMENTAL CHARACTERISTICS

6-1 Humidity

Keep the filter at 40℃ ± 2℃ and 90 to 95% RH for minimum 8 hours.

Then, release the filter into the room conditions for 1 hour prior to the

measurement. It shall fulfill the electrical specifications in section 3.

6-2 Vibration

Subject the filter to the vibration for 1 hour each in X, Y and Z axes with the

amplitude of 1.0mm at 10 to 55Hz. It shall fulfill the electrical specifications

in section 3.

6-3 Mechanical Shock

Drop the filter randomly onto a concrete floor from the height of 30cm 3

times. It shall fulfill the electrical specifications in section 3.

6-5 High Temperature Exposure

Put subject filter to chamber at 80 ± 5℃ for 96 ± 4 hours. Then, release

the filter into the room condition for 1 hour prior to the measurement. It

shall meet the electrical specifications in section 3.

6-6 Low Temperature Exposure

Put subject filter to –20 ± 5℃ for 96 ± 4 hours. Then, release the filter into

the room conditions for 1 hour prior to the measurement. It shall fulfill the

electrical specifications in section 3.

6-7 Temperature Cycling

Subject filter is put into low temperature of -40℃ for 30 minutes, followed

by a high temperature of +85℃ for 30 minutes. Cycling shall be repeated 5

times with a time interval of 15 minutes under room conditions. Then,

release the filter into the room conditions for 1 hour prior to the

measurement. It shall fulfill the electrical specifications in section 3.

6-8 Lead Fatigue

Weight 3Kg along to the direction of lead without a sudden shock. The filter

shall show no evidence of damage and shall satisfy all the initial characteristics.

LTWC450H

Ceramic Filter