HDF618AS4 Datasheet, PDF (5/8 Pages) Shoulder Electronics Limited. – Low-Loss SAW Filter of cordless system.

SAW FILTER
HDF618A S4
3.5 Test Circuit
4. ENVIRONMENTAL CHARACTERISTICS
4-1 Temperature cycling
Subject the device to a low temperature of -45℃ for 30 minutes. Following by a
high temperature of +25℃ for 5 Minutes and a higher temperature of +85℃ for 30
Minutes. Then release the device into the room conditions for 1 to 2 hours prior to the
measurement. It shall meet the specifications in 3.3.
4-2 Resistance to solder heat
Submerge the device terminals into the solder bath at 260℃±5℃ for 10±1 sec.
Then release the device into the room conditions for 4 hours. It shall meet the specifications
in 3.3.
4-3 Solderability
Submerge the device terminals into the solder bath at 245℃ ±5℃ for 5s, More than
95% area of the soldering pad must be covered with new solder. It shall meet the
specifications in 3.3.
4-4 Mechanical shock
Drop the device randomly onto the concrete floor from the height of 1 m 3 times. the
filter shall fulfill the specifications in 3.3.
4-5 Vibration
Subject the device to the vibration for 2 hour each in x,y and z axes with the amplitude of 1.5
mm at 10 to 55 hz. The filter shall fulfill the specifications in 3.3.
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