HDF304AS3 Datasheet, PDF (4/7 Pages) Shoulder Electronics Limited. – This specification shall cover the characteristics of SAW filter With HDF304A used for the page

SAW FILTER
3. TEST CIRCUIT
HDF304A SMD-3
4. DIMENSION
1.Ground
2.Input/output
3.Ground
4.Ground
5.Ground
6.Input/output
7.Ground
8.Ground
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.
5-5 Solderability
Subject the device terminals into the solder bath at 245℃ ±5℃ for 5s, More than 95%
www.shoulder.cn Tel:[phone] Fax:[phone] E-mail:[e-mail]
Page 4 of 7