SPX3940AR-3.3/TR SPX3940AR-5.0 SPX3940AR-5.0/TR SPX3940AR-L-3.3 SPX3940AR-L-3.3/TR SPX3940AR-L-5.0 SPX3940AR-L-5.0/TR SPX3940AT SPX3940AT-1.8/TR SPX3940AT-2.5