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© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com

R7004_UA2_UB2 • 2/27/2014

Miniature Signal Relays – UA2/UB2 Series

Notes on Using Relays cont’d

• Latching relays are factory-set to reset state for shipment. A latching relay may be set, however, by vibration or shock applied

while being transported. Be sure to forcibly reset the relay before using it in the application set. Also note that the relay may be

set by unexpected vibration or shock when it is used in a portable set.

• The sealability of a surface mount (SMT) relay may be lost if the relay absorbs and is then heated during soldering. When storing

relays, therefore, observe the following points:

1. Forstandardpacking,pleaseuserelayswithin12monthsafterdelivery(storageconditions:30°C/60%RH).Iftherelays

have moisture absorption, dehumidify as follows:

–TapePackaging:50±5°C,200–300hours.

–SimpleRelay:85±5°C,48hours.

2.ForMBBpacking,pleaseuserelayswithin2yearsafterdelivery(storageconditions:30°C/60%RH).AfteropeningMBB

packing,pleaseusewithin3months(storageconditions:30°C/60%RH).