Выдержки из "Relay Technical Information" от
Panasonic/NAiS/Matsushita, раздел "SMT Soldering Guidelines": While surface mount relays are
solvent washable, do not immerse
the relay in cold cleaning solvent
immediately after soldering.
When a soldering technique other than
above is to be used (hot air, hotplate,
laser, or pulse heater technique),
carefully investigate the suitability of
the technique.
Please use promptly once the antihumidity
pack is opened (Signal relay:
with in 3 days, Max. 30°C /
60%RH). If left with the pack open, the
relay will absorb moisture which will
cause thermal stress when reflow
mounting and thus cause the case to
expand. As a result, the seal may break.
Boiled cleaning is approved for surface
mount relays. Ultrasonic cleaning may
cause coil damage or light contact
sticking.