The 2N3440 is a silicon epitaxial planar NPN transistor in a JEDEC TO-39 metal case. It is designed for consumer and industrial line-operated applications, specifically as a driver in high-voltage low-current inverters, switching, and series regulators.
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| Collector-Emitter Voltage (Vceo) | 250V |
| Collector-Base Voltage (Vcbo) | 300V |
| Emitter-Base Voltage (Vebo) | 7.0V |
| Continuous Collector Current (Ic) | 1.0A |
| Power Dissipation (Pd) | 1.0W |
| DC Current Gain (hFE) Min | 40 |
| Transition Frequency (fT) | 15MHz |
| Collector Emitter Saturation Voltage | 0.5V |
| Operating Temperature Range | -65 to +200°C |
| RoHS | Compliant (Pb-Free) |
