SAW FILTER

HDF440C SMD-3

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3. TEST CIRCUIT

4. DIMENSION

Marking：HDF454

HD: Brand

F : Filter

454 : 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

Pin configuration

1 Input

2 Input Ground

5 Output

6 Output Ground

4, 8 Case – Ground