| 2PD1820A | Bipolar Transistors | 
| 2PD1820AS | | | gp sw amp 50V npn hfe 170-340 | 
| 2PD1820AS | | | gp sw amp 50V npn hfe 170-340 | 
| 2PD1820AR | | | gp sw amp 50V npn hfe 120-240 | 
| 2PD1820AR | | | gp sw amp 50V npn hfe 120-240 | 
| 2PD1820AQ | | | gp sw amp 50V npn hfe 85-170 | 
| 2PD1820AQ | | | gp sw amp 50V npn hfe 85-170 |