4

7.

Environmental Characteristics

Test item

Condition of test

Requirements

1

Mechanical

shock

(a) Drops: 3 times on concrete floor

(b) Height: 1.0m

2

Vibration

resistance

(a) Frequency of vibration: 10~55Hz (b) Amplitude: 1.5mm

(c) Directions: X,Y and Z

(d) Duration: 2 hours

3

Moisture

resistance

(a) Condition: 40

C, 90~95% R.H.

(b) Duration: 96 hours

(c) Wait 4 hours before measurement

4

Climatic

sequence

(a) +70 for 16 hours

(b) +55 for 24 hours, 90~95% R.H.

(c) -25 for 2 hours

(d) +40 for 24 hours, 90~95% R.H.

(e) Wait 4 hours before measurement

5

High

Temperature

Exposure

(a) Temperature: 70

C

(b) Duration: 250 hours

(c) Wait 4 hours before measurement

6

Thermal impact (a) +70C for 30 minutes  -25C for 30 minutes repeated 3 times

(b) Wait 4 hours before measurement

The SAW filter

shall remain within

the electrical

specifications

after tests.

8. Remarks

8-1 Static voltage: Static voltage between signal load & ground may cause deterioration & destruction

of the SAW filter. Please avoid static voltage.

8-2 Ultrasonic cleaning: Ultrasonic vibration may cause deterioration & destruction of the SAW filter.

Please avoid ultrasonic cleaning.

8-3 Soldering: Only terminals of the SAW filter may be soldered. Please avoid soldering other parts of

the SAW filter.