| PartNumber | 2N3391A | 2N3392 | 2N3390 |
| Description | Bipolar Transistors - BJT NPN 25V 500mA BULK HFE/500 | Bipolar Transistors - BJT NPN 25V 500mA BULK HFE/300 | Bipolar Transistors - BJT NPN Transistor General Purpose |
| Manufacturer | Central Semiconductor | Central Semiconductor | ON Semiconductor |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | Y | T |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-92-3 | TO-92-3 | TO-92-3 |
| Transistor Polarity | NPN | NPN | NPN |
| Configuration | Single | Single | Single |
| Collector Emitter Voltage VCEO Max | 25 V | 25 V | 25 V |
| Collector Base Voltage VCBO | 25 V | 25 V | 25 V |
| Emitter Base Voltage VEBO | 5 V | 5 V | 5 V |
| Maximum DC Collector Current | 2 mA | 2 mA | 0.5 A |
| Gain Bandwidth Product fT | 120 MHz | 120 MHz | - |
| Series | 2N3391 | 2N3392 | - |
| Height | 5.33 mm | 5.33 mm | 4.7 mm |
| Length | 5.21 mm | 5.21 mm | 4.7 mm |
| Packaging | Bulk | Bulk | Bulk |
| Width | 4.19 mm | 4.19 mm | 3.93 mm |
| Brand | Central Semiconductor | Central Semiconductor | ON Semiconductor / Fairchild |
| Continuous Collector Current | 0.45 A | 0.45 A | 0.5 A |
| DC Collector/Base Gain hfe Min | 250 | 150 | 400 |
| Pd Power Dissipation | 625 mW | 625 mW | 625 mW |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 2500 | 2500 | 2000 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | 2N3391A PBFREE | 2N3392 PBFREE | - |
| Unit Weight | 0.016000 oz | 0.016000 oz | 0.008466 oz |
| Minimum Operating Temperature | - | - | - 55 C |
| Maximum Operating Temperature | - | - | + 150 C |
| DC Current Gain hFE Max | - | - | 800 |