You are bidding on one Lot (Qty.100) of New PANJIT 39V Zener Diode, Part Number: MMSZ5259BT/R in SOD-123 Package. Device Marking: M4. RoHS Compliant. This is same as On Semi Part MMSZ5258BT1G (data sheet shown below for cross reference).
General Spec:
Spec see Data Sheet at:
http://www.onsemi.com/pub/Collateral/MMSZ5221BT1-D.PDF
PAN JIT Data Sheet below:
http://pdf1.alldatasheet.com/datasheet-pdf/view/14764/PANJIT/MMSZ5259BS.html