PN5133 = 2N5133 NPN High Gain Transistor NS National Semi

NOS PN5133 high gain NPN transistor made by National Semiconductor. They are equivalent to 2N5133, the P indicates that it's in the TO-92 case. Gain range on these is 90-900, so they vary wildly.

Bulk discount ranges:

5% off: 21-75 pieces

10% off: 76-250 pieces

15% off: 251 pieces and above