PhotocouplerLTV-8X4 series2.7 LTV-8442.8 LTV-844M2.9 LTV-844SNotes : 1. Year date code. 2. 2-digit work week. 3. Factory identification mark shall be marked (W: China-CZ, Y: Thailand) 4. Rank shall be or shall not be marked. 5. “●” for halogen free option. 6. VDE option shall be . Dimensions in millimeters (inches). 4/16 P art N o.: L TV-8 X4 s eries BNC-OD-FC002/A4 Rev.: K