| PartNumber | 2N3440 | 2N3440L | 2N3440U4 |
| Description | Bipolar Transistors - BJT NPN High Voltage | Bipolar Transistors - BJT NPN Transistor | Bipolar Transistors - BJT Power BJT |
| Manufacturer | Central Semiconductor | Microchip | Microchip |
| Product Category | Bipolar Transistors - BJT | Bipolar Transistors - BJT | Bipolar Transistors - BJT |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Package / Case | TO-39-3 | TO-39-3 | U4-3 |
| Transistor Polarity | NPN | - | NPN |
| Configuration | Single | - | Single |
| Collector Emitter Voltage VCEO Max | 250 V | - | 250 V |
| Collector Base Voltage VCBO | 300 V | - | 300 V |
| Emitter Base Voltage VEBO | 7 V | - | 7 V |
| Collector Emitter Saturation Voltage | 0.5 V | - | 0.5 V |
| Maximum DC Collector Current | 1 A | - | 1 A |
| Gain Bandwidth Product fT | 15 MHz | - | - |
| Minimum Operating Temperature | - 65 C | - | - 65 C |
| Maximum Operating Temperature | + 150 C | - | + 200 C |
| Series | 2N3440 | - | - |
| Height | 6.6 mm | - | - |
| Length | 9.4 mm | - | - |
| Packaging | Bulk | Bulk | Tray |
| Width | 9.4 mm | - | - |
| Brand | Central Semiconductor | Microchip / Microsemi | Microchip / Microsemi |
| Continuous Collector Current | 0.45 A | - | 1 A |
| DC Collector/Base Gain hfe Min | 40 | - | 40 |
| Pd Power Dissipation | 1000 mW | - | 0.8 W |
| Product Type | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors | BJTs - Bipolar Transistors |
| Factory Pack Quantity | 500 | 1 | 1 |
| Subcategory | Transistors | Transistors | Transistors |
| Part # Aliases | 2N3440 PBFREE | - | - |
| Technology | - | - | Si |
| DC Current Gain hFE Max | - | - | 160 |