| PartNumber | 2N3440UA | 2N3440U4 |
| Description | Bipolar Transistors - BJT NPN Transistor | Bipolar Transistors - BJT Power BJT |
| Manufacturer | Microchip | Microchip |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | N | N |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SMD-4 | U4-3 |
| Packaging | Waffle | Tray |
| Brand | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 1 | 1 |
| Subcategory | Transistors | Transistors |
| Technology | - | Si |
| Transistor Polarity | - | NPN |
| Configuration | - | Single |
| Collector Emitter Voltage VCEO Max | - | 250 V |
| Collector Base Voltage VCBO | - | 300 V |
| Emitter Base Voltage VEBO | - | 7 V |
| Collector Emitter Saturation Voltage | - | 0.5 V |
| Maximum DC Collector Current | - | 1 A |
| Minimum Operating Temperature | - | - 65 C |
| Maximum Operating Temperature | - | + 200 C |
| DC Current Gain hFE Max | - | 160 |
| Continuous Collector Current | - | 1 A |
| DC Collector/Base Gain hfe Min | - | 40 |
| Pd Power Dissipation | - | 0.8 W |