SAW FILTER

HDF350A

SMD-3

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Page 4 of 8

3. TEST CIRCUIT

4.DIMENSION

Marking：HDF315

HD: Brand

F : Filter

315 : No.

5. ENVIRONMENTAL CHARACTERISTICS

5-1 High temperature exposure

Subject the device to +85℃ for 16 hours. Then release the filter into the room conditions

for 24 hours prior to the measurement. It shall fulfill the specifications in 2-2.

5-2 Low temperature exposure

Subject the device to -40℃ for 16 hours. Then release the device into the room conditions

for 24 hours prior to the measurement. It shall fulfill the specifications in 2-2.

5-3 Temperature cycling

Subject the device to a low temperature of -40℃ for 30 minutes. Following by a high

temperature of +85℃ for 30 Minutes. Then release the device into the room conditions

for 24 hours prior to the measurement. It shall meet the specifications in 2-2.

5-4 Resistance to solder heat

Dip the device terminals no closer than 1.5mm into the solder bath at 260℃ ±10℃ for

10±1 sec. Then release the device into the room conditions for 4 hours. The device shall

meet the specifications in 2-2.

pin

configuration

1 Input

2 Input Ground

5 Output

6 Output Ground

4, 8 Case – Ground