Please be advised that Song Chuan will be changing our 871 
series ISO Micro Relays as described below. ISO Micro Relay 
design modifications and packaging change. First delivery of the 
modified version expected between July and December 2017, 
depending on inventory. 
Description of Modifications 
1.	Cover _ Removal of vent recess.  Add chamfer.  Slight 
2.	dimensional change (0.4mm x 0.4mm) 
3.	Base - Add vent recess. 
4.	Epoxy _ _C_-type sealed relay epoxy changes from two-part 
5.	air cure to one-part heat cure. 
6.	Marking _ Change from ink printing to laser etching. 
7.	Packaging - Change from trays to tubes. 
Effects of change 
Appearance change to the relay housing and markings.
No change in fit, function, or performance.  Old version and new 
version are interchangeable. 
No change in relay drawings or specifications. 
No effect on cost or delivery. 

Please contact a Mouser Technical Sales Representative for 
further information. 

5-0217-17